WO2020017617A1 - Récipient à double compression, produit de décharge, élément de décharge, système de distributeur et procédé de fabrication de produit de décharge - Google Patents

Récipient à double compression, produit de décharge, élément de décharge, système de distributeur et procédé de fabrication de produit de décharge Download PDF

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Publication number
WO2020017617A1
WO2020017617A1 PCT/JP2019/028376 JP2019028376W WO2020017617A1 WO 2020017617 A1 WO2020017617 A1 WO 2020017617A1 JP 2019028376 W JP2019028376 W JP 2019028376W WO 2020017617 A1 WO2020017617 A1 WO 2020017617A1
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WO
WIPO (PCT)
Prior art keywords
container
inner container
lid
discharge
pressurized
Prior art date
Application number
PCT/JP2019/028376
Other languages
English (en)
Japanese (ja)
Inventor
信也 菅原
山口 和洋
公男 片岡
英俊 宮本
目加多 聡
Original Assignee
株式会社ダイゾー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018144574A external-priority patent/JP7186537B6/ja
Priority claimed from JP2018218704A external-priority patent/JP7171384B6/ja
Priority claimed from JP2018218725A external-priority patent/JP2020083365A/ja
Priority claimed from JP2019009498A external-priority patent/JP7149862B2/ja
Priority claimed from JP2019069238A external-priority patent/JP7257852B2/ja
Priority claimed from JP2019086706A external-priority patent/JP7220618B2/ja
Priority claimed from JP2019113240A external-priority patent/JP7229108B2/ja
Priority claimed from JP2019127625A external-priority patent/JP2021011304A/ja
Priority claimed from JP2019131251A external-priority patent/JP7419636B2/ja
Priority to CN201980047765.1A priority Critical patent/CN112424088B/zh
Priority to US17/260,685 priority patent/US11603257B2/en
Priority to EP19837693.1A priority patent/EP3825254A4/fr
Application filed by 株式会社ダイゾー filed Critical 株式会社ダイゾー
Publication of WO2020017617A1 publication Critical patent/WO2020017617A1/fr

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38Details of the container body
    • B65D83/382Details of the container body with closures that must be perforated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38Details of the container body
    • B65D83/384Details of the container body comprising an aerosol container disposed in an outer shell or in an external container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/003Adding propellants in fluid form to aerosol containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04Articles or materials enclosed in two or more containers disposed one within another
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/42Filling or charging means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44Valves specially adapted therefor; Regulating devices
    • B65D83/48Lift valves, e.g. operated by push action
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/60Contents and propellant separated
    • B65D83/62Contents and propellant separated by membrane, bag, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/205Actuator caps, or peripheral actuator skirts, attachable to the aerosol container
    • B65D83/206Actuator caps, or peripheral actuator skirts, attachable to the aerosol container comprising a cantilevered actuator element, e.g. a lever pivoting about a living hinge

Definitions

  • the present invention relates to a double pressurized container, a discharge product, a discharge member, a dispenser system using them, and a method of manufacturing a discharge product.
  • a "pressurized product” or a “double pressurized product” may be used instead of the "discharge product", but they are the same.
  • FIG. 11 of Patent Literature 1 a container body having an opening at an upper end and a valve accommodating portion which closes the opening and is fixed to the container main body, wherein the valve accommodating portion has a cylindrical housing portion, There is disclosed a contents container having an opening portion which is detachably fitted into a hole formed in a bottom surface of the housing portion.
  • FIG. 7 of Patent Document 1 discloses a content storage container provided with a closing portion that is opened by breaking at the bottom of the valve housing portion. These are used by detachably accommodating a pump valve or an aerosol valve in a valve accommodating section and fixing the opening by a dip tube, or by breaking a closing section by fixing with a screw cap. Therefore, there is an advantage that the valve can be used repeatedly, and the content container can be manufactured at low cost.
  • Patent Document 2 discloses a two-layer discharge container including an outer container, an inner container housed in the outer container, and a valve assembly for closing the outer container and the inner container.
  • This Patent Document 2 describes a technique of filling an inner container with a stock solution, filling a pressurizing agent between an inner container and an outer container, and a technique of simultaneously forming the outer container and the inner container by biaxial stretch blow molding. ing.
  • Patent Document 3 a valve is fitted to the mouth of the inner container, and the inside of the inner container is made to have a negative pressure by sucking air in the inner container against the restoring force of the inner container.
  • the preform for the inner container is inserted into the preform for the outer container, and the obtained double preform is blow-molded to form the outer container and the inner container.
  • a method of making a double bottle that is molded simultaneously is disclosed.
  • Patent Literature 4 discloses an attachment that holds an outer container, a flexible inner container housed therein, and a valve provided at an upper end of the inner container, and is itself attached to the outer container and sealed.
  • a double pressurized container with a sleeve (lid) is disclosed.
  • under-cup filling and ultrasonic welding were combined, in which pressurized gas was filled from between the mounting sleeve and the outer container to between the outer container and the inner container, and then the periphery of the mounting sleeve was ultrasonically welded to the outer container.
  • a manufacturing method is disclosed.
  • the present invention provides a double pressurized container, a dispensing product, a dispensing member, a dispenser system, and a method for manufacturing a dispensing product that is highly safe during distribution, easy for consumers to use, safe and environmentally friendly. It is an issue.
  • the double pressurized containers 11 and 31 of the present invention include outer containers 13 and 33, flexible inner containers 14 and 34 housed inside the outer containers 13 and 33, and the outer container 13. 33 and lids 15, 35, which are fixed to at least one of the inner containers 14, 34, and seal both the outer containers 13, 33 and the inner containers 14, 34.
  • a stock solution storage chamber Sc for filling the stock solution C
  • a space between the outer containers 13 and 33 and the inner containers 14 and 34 is a pressurized agent housing chamber Sp for filling the pressurized agent P;
  • the lids 15 and 35 are provided with unsealed portions 15d and 44 for opening the undiluted solution storage chamber.
  • the double pressurized container of the present invention is used by filling an inner container with a stock solution. Since the lid seals the internal container, which is the undiluted solution storage chamber, and includes the unsealed portion to be opened, it is impossible to discharge the liquid without a dedicated discharge member for opening the unsealed portion. Therefore, there is no erroneous injection at the time of distribution, and the safety is high.
  • both the outer container and the inner container are made of synthetic resin, the undiluted solution is filled in the undiluted solution storage chamber of the inner container, and the pressurized agent is filled in the pressurized agent storage chamber between the outer container and the inner container.
  • the lids 15 and 35 are provided with flanges 15b and 40 that cover the upper surfaces 13e, 34e, 14e, and 34e of the outer containers 13, 33 and the inner containers 14, 34. , Provided with a bottomed cylindrical sealing portion 15a, 39 inserted into the opening of the inner container 14, 34, and provided with unsealed portions 15d, 44 on the bottom portions 15c, 42 of the sealing portions 15a, 39. are preferred.
  • the lid body includes a flange portion that covers upper end surfaces of the outer container and the inner container, and a bottomed cylindrical sealing portion inserted into an opening of the inner container, and an unsealed portion is provided at a bottom of the sealing portion.
  • the inner container 34 has a flange 38b held on the upper end surface 13f of the outer container 33, and the flange 40 of the lid 35 has an annular disc portion 46 covering the upper end surface 38a of the inner container 34; An outer cylinder portion 47 for inserting the outer peripheral surface of the flange 40 of the container 34 is preferable.
  • the inner container has a flange held on the upper end surface of the outer container, and the flange of the lid inserts an annular disk portion covering the upper end surface of the inner container, and an outer peripheral surface of the flange of the inner container.
  • An annular projection 38c is provided on the upper end surface 38a of the inner container 34 or the lower surface of the annular disk portion 46 of the lid 35, and the upper end surface 36a of the outer container 33 or the lower end surface of the outer cylindrical portion 47 of the lid 35. It is preferable that an annular projection 36b is provided on the bottom.
  • annular projection is provided on the upper end surface of the inner container or the lower surface of the annular disk portion of the lid, and an annular projection is provided on the upper end surface of the external container or the lower end surface of the outer cylindrical portion of the lid. Is easy to fix the lid and the inner container and the lid and the outer container in one welding step.
  • the upper end surface 13f of the outer container 13 and the upper end surface 14e of the inner container 14 are at the same height, and the flange 15b of the lid 15 connects the upper end surface 14e of the inner container 14 and the upper end surface 13f of the outer container 13. Covering is preferred.
  • the lid When the upper end surface of the outer container and the upper end surface of the inner container are at the same height, and the flange of the lid covers the upper end surface of the inner container and the upper end surface of the outer container, the lid is placed outside. It is easy to adhere to the container and the inner container, and it is easy to adhere evenly.
  • annular step 13h is formed on the inner periphery of the upper end of the outer container 13, and the inner container 14 includes a flange 14f held by the annular step 13h of the outer container 13. .
  • annular step On the inner periphery of the upper end of the outer container, an annular step is formed, and when the inner container is provided with a flange held by the annular step of the outer container, the upper end surfaces of the outer container and the inner container are removed. It is easy to adjust to the same height, and the lid is easily fixed to the outer container and the inner container evenly.
  • an inclined portion 15b2 for welding may be formed at the base of the flange 15b of the lid 15 and the sealing portion 15a.
  • 42, 15c, and the unsealed portions 44, 15d are preferably provided at the bottom portions 42, 15c of the fitting tube portion.
  • An inner cylinder portion extending downward along the inner surface of the neck of the inner container, a fitting cylinder portion provided concentrically with the inner cylinder portion below the inner cylinder portion, and the inner cylinder; A connecting portion that connects the lower end of the portion to the upper end of the fitting tube portion, and a bottom portion that closes a portion slightly above the lower end of the fitting tube portion, wherein the unsealed portion is provided at the bottom of the fitting tube portion.
  • the dimensional accuracy of the inner peripheral surface of the fitting cylinder can be improved. Therefore, the reliability of the seal with the valve is improved.
  • the bottom portion 15c is preferably provided with the unsealed portion 15d.
  • a connecting portion that connects the lower ends of the inner cylindrical portion and the fitting cylindrical portion, and a bottom portion that closes a portion slightly above the lower end of the fitting cylindrical portion, wherein the unsealed portion is provided at the bottom of the fitting cylindrical portion.
  • the neck 14d of the inner container 14 has a cylindrical upper portion 14d1 and a tapered portion 14d2 tapering downward, and the lower portion of the inner cylindrical portion 15a1 of the lid 15 is
  • the double pressurized container 58 fitted with the tapered portion 14d2 of the neck portion 14d is more preferable.
  • the neck portion of the inner container has a cylindrical upper portion and a tapered portion that becomes thinner downward.
  • the space above the liquid surface of the undiluted solution head space, gas phase
  • the undiluted solution can be discharged smoothly.
  • the discharge products 11a and 31a of the present invention include any one of the double pressurized containers 11 and 31 described above, the undiluted solution C filled in the undiluted solution storage room Sc, and the pressurized solution filled in the pressurized agent storage room Sp. And a pressure agent P.
  • the lids 15 and 35 are fixed by welding and the opened portions 15d and 44 are in contact with the stock solution C in the stock solution storage chamber Sc.
  • the unsealed portion is cooled by the undiluted solution, so that heat or energy during welding is unsealed. It is possible to prevent transmission of the unsealed portion and prevent problems such as melting of the unsealed portion. Therefore, the unsealed portion can be made thinner to facilitate opening.
  • the discharge members 12 and 32 of the present invention are the discharge members 12 and 32 used for any of the discharge products 11a and 31a, and the mounting portions (caps 20) detachably mounted on the external containers 13 and 33. And a valve (21) that communicates with the inner containers 14 and 34 via the opening portion 27 to open / close the opened portions 15d and 44 of the lids 15 and 35, and switches between communication and blocking with the outside. ) And an operation unit (23) attached to the valve (21) and discharging the undiluted solution C by operation.
  • the discharge member of the present invention includes the mounting portion detachably mounted on the external container and the opening portion for opening the unsealed portion of the lid, the above-described discharged product is opened with the intention of the consumer. be able to. Further, when the container is emptied by using up the undiluted solution, the discharge member can be removed and the removed discharge member can be replaced with a new discharge product. This contributes to resource saving.
  • the discharge devices 10 and 30 of the present invention include any of the discharge products 11a and 31a and the discharge members 15 and 32 detachably attached to the discharge products 11a and 31a.
  • the dispenser system according to the present invention includes a group of the first discharge devices including the above-described discharge devices 10 and 30 in which the first undiluted solution is filled in the undiluted solution storage chamber, and a second group different from the first undiluted solution in the undiluted solution storage room.
  • a second discharge device group consisting of the aforementioned discharge devices 10 and 30 filled with the undiluted solution, and the discharge members 15 and 32 of the discharge devices 10 of the first and second groups are discharged from the same group. It is characterized in that it can be mounted on the products 11a, 31a and cannot be mounted on the discharge products 11a, 31a of another group.
  • Dispenser system of the present invention for example, objects such as hair and skin, product classifications such as cosmetics and pharmaceuticals, ejection forms such as sprays and foams, depending on the use form such as upright or inverted, etc.
  • objects such as hair and skin
  • product classifications such as cosmetics and pharmaceuticals
  • ejection forms such as sprays and foams, depending on the use form such as upright or inverted, etc.
  • the lid is provided with an unsealed portion 15d which is surrounded by an annular weakening line and is opened by pressing from above, and a pressure-receiving portion protruding from the periphery on the upper surface of the unsealed portion 15d.
  • the one provided with the portion 15d1 is preferable.
  • the pressure-receiving part is provided on the upper surface, the part to be opened is pushed in at the time of opening. Therefore, it is easy to break along the line of weakness.
  • the pressure receiving portion 15d1 is provided on the central axis of the lid and has a substantially circular shape.
  • the pressure-receiving portion When the pressure-receiving portion is provided on the central axis of the lid and has a substantially circular shape, a uniform force is applied to the pressure-receiving portion by pressing, and the unsealed portion is easily pushed straight down, and along the line of weakness. Rupture becomes easier.
  • a part of the weakening line 15f is interrupted, and the unsealed portion 15d and the surroundings are continuous at the interrupted portion 15e.
  • a portion 15e where the weakening line 15f is interrupted is provided with a reinforcing portion 15g thicker than the periphery.
  • Another aspect of the discharge device of the present invention is the above-described double pressurized container, a discharge product including the undiluted solution C and the pressurizing agent P filled in the double pressurized container, and the discharge member described above.
  • the bottom surface 27a of the unsealing portion 27 comes into contact with substantially the entire pressure receiving portion 15d1 at the time of unsealing.
  • the bottom surface of the unsealing portion is in contact with substantially the entire pressure receiving portion, the reaction force at the time of unsealing can be reliably received, the deformation of the tip is suppressed, and the discharge member can be reused repeatedly.
  • the mounting portion is screwed to the container body, the bottom portion of the unsealing portion gradually presses the pressure receiving portion of the unsealing portion.
  • the part is surrounded by an annular weakening line and the pressure-receiving part protrudes, so that the weakening line can be broken and tearing of the part to be opened can be suppressed, and the bottom of the opening part is opened.
  • the ejection member is not easily deformed by the operation and can be used repeatedly.
  • the discharge device system includes a first discharge device group including discharge devices 10, 30, and 230 in which the stock solution storage chamber Sc is filled with the first stock solution, and the first stock solution in the stock solution storage room Sc.
  • a second group of discharge devices each of which is composed of a discharge device 10A, 30A, and 230, filled with a different second undiluted solution, wherein the discharge member 15 of the first group is used for the discharge product 11a of the first group.
  • the discharge device system of the present invention is provided with a means for preventing misuse such that the discharge member of the first discharge device is not mounted on the discharge product of the second discharge device, or the lid cannot be opened even after the discharge member is mounted. Therefore, it is possible to prevent the ejection member of the first ejection device from being erroneously attached to the ejection product of the second ejection device for use.
  • the discharge member used for the non-human discharge is used for the human body. It can be prevented that the stock solution is discharged, and it is safe.
  • Such a discharge device system can be suitably used when a product group used for a plurality of uses is provided to the market as a product group of a series having a uniform appearance and the like.
  • a second misuse prevention for preventing the ejection member 12A of the second ejection device 10A from being attached to the ejection product 11a of the first ejection device 10 or preventing the lid 15 from being opened even when attached are preferred.
  • the discharge member of the second discharge device is provided with a second misuse prevention means for preventing the lid from being opened when the discharge member of the first discharge device is mounted, or even when the discharge member is mounted. It is possible to prevent the ejection member of the second ejection device from being erroneously used for the ejection product of the first ejection device. In the above-described example, it is also possible to prevent the discharge liquid for non-human body from being discharged by the discharge member for human body. Therefore, for example, when a discharge device for a human body is attached to a discharge product filled with a pesticide, it is possible to prevent a user from mistaking the pesticide as being for a human body and using the pesticide on the human body.
  • the misuse preventing means is a mounting preventing means for preventing the mounting of the discharging member 12 of the first group to the discharging product 31a of the second group, and the mounting preventing means comprises the external container 13, 33 and the discharging member. Twelve radial controls may be used.
  • the misuse prevention means is a mounting prevention means that hinders the attachment of the discharge member to the discharge product
  • a user may mistakenly attach the discharge member of the first discharge device to the discharge product of the second discharge device. Can not be installed. Therefore, erroneous use can be prevented.
  • the misuse preventing means is a mounting preventing means for preventing the discharging member 15 of the first group from being mounted on the discharging product 31a of the second group, and the mounting preventing means is provided between the lid 15 and the discharging member 12.
  • the control may be in the radial direction.
  • the mounting prevention means controls the radial direction of the lid and the discharge member, the mounting can be prevented by preventing the axial movement of the discharge member with respect to the lid.
  • the misuse prevention means is a mounting prevention means for preventing the mounting of the discharging member 15 of the first group to the discharging product 31a of the second group, and the mounting preventing means is provided between the container body 16 and the discharging member 12.
  • the control of the screwing shape may be performed.
  • the mounting prevention means is a control of a screwing shape between the container body and the discharge member, the screwing between the container body and the discharge member can be prevented.
  • the misuse prevention means can open the unsealed portion by the unsealing portion for the same group of ejected products, and can be mounted on the unsealed portion by the unsealing portion even when attached to another group of ejected products. It is preferable to provide an unsealing prevention means for preventing unsealing.
  • the erroneous use prevention means is an unsealing prevention means for preventing the lid from being opened by the unsealing portion, even if the user mistakenly attaches the ejection member of the first ejection device to the ejection product of the second ejection device. In addition, the lid of the ejected product cannot be opened. Therefore, erroneous use can be prevented.
  • the opening prevention means can be realized by controlling (dimension setting) the lid 15 and the opening 27 of the discharge member 12 in the axial direction.
  • the unsealing prevention means controls the axial direction of the lid and the unsealing portion of the discharge member
  • the length of the discharge member in the axial direction is not sufficient even if the lid is erroneously mounted, or the fitting in the axial direction is performed. Can be stopped in the middle, so that opening of the lid can be prevented.
  • Another aspect of the double pressurized container 11 of the present invention is that welding is performed at a position slightly inside the outer peripheral edge of at least one of the upper end surfaces 13f, 14e of the neck portions 13d, 14d and the corresponding portion of the lid 15. 13g, 13g1, 13g2 are formed, and annular outer cutouts 17d, 130a, 41 are provided on the outer peripheral edge of the top surface 17c of the lid 15.
  • the double pressurized container of the present invention is provided with an annular outer notch on the outer peripheral edge of the top surface of the lid, so that a horn for oscillating ultrasonic vibration is brought into contact with the top surface, Further, when ultrasonic vibration is oscillated from the horn in a pressurized state, the vibration of the horn below the outer notch is controlled. Therefore, the vibration energy flowing around the lid is reduced. For this reason, the melted annular protrusion remains in a range sandwiched between the upper surface of the mouth and the lower surface of the lid, and the protrusion to the outer peripheral surface side is reduced.
  • the appearance of the discharged product in which the contents are filled and the lid is ultrasonically welded is not impaired by the resin pieces (welding waste) formed by cooling the protruding resin. Further, the welding is not disturbed by the welding waste, and the welding portion (the portion where the member to be welded is pressed and pressed) can be more reliably welded, the fixing strength is improved, and the leakage of contents occurs. Is suppressed.
  • the outer peripheral cutouts 17d, 130a, and 41 are provided outside a portion corresponding to the annular projections 13g, 13g1, and 13g2.
  • the container body 16 includes an outer container 13 having a cylindrical neck portion 13d, and an inner container 14 housed inside the outer container 13 and having a neck portion 14d fitted to the neck portion 13d of the outer container 13.
  • the inner container 14 has a flange 14f at the upper end of the neck portion 14d, which protrudes upward from the upper end surface 13f of the outer container 13 and is engaged with the upper end surface 13f of the neck portion 13d of the outer container 13; Is preferably attached to the upper end surfaces of the necks 13d and 14d of the outer container 13 and the inner container 14 and welded to seal the upper end openings of the outer container 13 and the inner container 14.
  • the container body an outer container having a cylindrical neck, and an inner container that is housed inside the outer container and has a neck that fits with the neck of the outer container, at the upper end of the neck of the inner container, A flange protruding from the upper end surface of the outer container and being locked to the neck of the outer container, wherein the lid is attached to the upper end surfaces of the necks of the outer container and the inner container, and are welded to each other to form the outer container;
  • the welded portion of the outer container and the welded portion of the inner container are different from each other, but all the welded portions have high sealing performance.
  • the vibration energy is concentrated on only one (usually high inner) and the other (usually low outer) weld is insufficient. Tends to.
  • the vibration energy is suppressed from spreading to the outer periphery of the lid, and is easily transmitted to the annular projection below the contact surface with the horn. Either can be sufficiently welded. Therefore, leakage of the contents is suppressed for a long time.
  • the cover 15 has an outer cylindrical portion 17a fitted to the outer periphery of the flange 14f of the inner container 14, an inner cylindrical portion 15a1 inserted into the neck 14d of the inner container 14, and a flange 14f of the inner container 14. It is preferable that the lower end 17a1 of the outer cylindrical portion 17a be in contact with the upper end surface 13f of the neck portion 13d of the outer container 13 having the flat plate portion 17 in contact with the end surface 14e.
  • the lid has an outer cylinder portion fitted to the outer periphery of the flange of the inner container, an inner cylinder portion inserted into the neck of the inner container, and a flat plate portion that abuts on the upper end surface of the flange of the inner container,
  • the position of the lid and the container body does not shift even while vibration energy is applied, so that the lid, the inner container, and the lid And the outer container has a high fixing strength, and the sealing performance is further improved.
  • annular inner peripheral notch 133 different from the outer peripheral notch 17d may be formed inside the upper end of the inner cylindrical portion 15a1 of the lid 15.
  • the outer peripheral cutouts 17d, 130a, 41 have a rectangular cross section.
  • the outer peripheral cutout has a rectangular cross section
  • the spread of the vibration energy to the outer periphery is further suppressed, so that the protrusion of the welding residue is suppressed and the welding is easily performed.
  • a lid 15 used in the double pressurized container of the present invention wherein the flange 15b covers an upper end surface 13f of a neck portion 13d of the outer container 13 and the inner container 14, and a lower surface thereof is welded to the upper end surface 13f.
  • An annular outer peripheral cutout portion 17d, 130a, 41 is provided on the outer peripheral edge of the top surface 17c of the flange 15b.
  • the lid for the pressurized container of the present invention is provided with an annular outer notch at the outer peripheral edge of the top surface of the flange, a horn for oscillating ultrasonic vibration is brought into contact with the top surface.
  • the vibration of the horn below the outer notch is controlled. Therefore, the vibration energy flowing around the lid is reduced. For this reason, the melted annular protrusion remains in a range sandwiched between the upper surface of the mouth and the lower surface of the lid, and the protrusion to the outer peripheral surface side is reduced.
  • the appearance of the discharged product in which the contents are filled and the lid is ultrasonically welded is not impaired by the resin pieces (welding chips) formed by cooling the protruding resin. Further, the welding is not disturbed by the welding waste, and the welding portion (the portion where the member to be welded is pressed and pressed) can be more reliably welded, the fixing strength is improved, and the leakage of contents occurs. Is suppressed.
  • the flange 15b has a flat plate portion 17 and an outer cylindrical portion 17a provided on the lower surface of the outer periphery thereof, and the lower surface 17a1 of the outer cylindrical portion 17a is welded to the neck portion 13d. Is preferred.
  • the inner cylindrical portion 15a1 is provided concentrically with the outer cylindrical portion 17a on the lower surface of the inner periphery of the flange 15b with a gap between the outer cylindrical portion 17a.
  • the horn is applied to the lid to vibrate. At this time, if the inner cylindrical portion is housed inside the container body, the lid is stably held even if there is vibration.
  • annular inner peripheral notch 133 different from the outer peripheral notch 17d is formed inside the upper end of the inner cylindrical portion 15a1.
  • a bottomed cylindrical sealing portion 15a is provided below the inner cylindrical portion 15a1.
  • the outer peripheral cutouts 17d, 130a, and 41 have a rectangular cross section.
  • the unsealed portion 15d is partitioned from the periphery by an easily breakable annular weakening line 15f, and the inner container 14 is pierced on the lower surface side. And a sharp point 15e2.
  • the closure When the closure is opened during use, when a force is applied to the pressure receiving portion having a flat upper surface, the break portion is broken, the closure is torn off and falls to the bottom of the inner container.
  • the stock solution in the inner container When the stock solution in the inner container is almost discharged and the inner container is largely contracted by the pressure of the pressurizing agent, the sharp point penetrates the inner container. Therefore, the pressurized agent sealed between the outer container and the inner container can be discharged to the outside, and can be safely disposed.
  • the closing portion having the sharp point automatically falls into the inner container, it is not necessary to insert the closing portion before filling with the undiluted solution, and the production is easy.
  • break portion 15f is formed around the pressure receiving portion 15d1.
  • a bar-shaped projecting portion 15e1 projecting downward is provided on the lower surface side of the opened portion 15d, and the sharp point 15e2 is formed at the lower end of the projecting portion 15e1.
  • a bar-shaped protrusion 15e1 that protrudes downward is provided on the lower surface side of the closing portion, and the sharp point 15e2 is provided at the lower end of the protrusion 15e1.
  • a sharp point breaks through the bottom or body of the inner container.
  • a substantially hemispherical protrusion 232 projecting downward is provided on the lower surface side of the opened portion 15d, and the sharp point 15e is provided at the lower end of the protrusion 232.
  • a substantially hemispherical protruding portion projecting downward on the lower surface side of the closing portion is provided, and the sharp point is provided at the lower end of the protruding portion, the protruding portion is easily along the bottom surface of the inner container, The sharp point easily contacts the bottom surface at right angles. Therefore, the sharp point easily penetrates the bottom of the internal container, and the penetration of the internal container becomes more reliable.
  • a flexible protection portion 53 surrounding the sharp point 15e2 is provided.
  • the outer container 13 and the inner container 14 are made of synthetic resin, and a part of the bottom of the outer container 13 and a part of the bottom of the inner container 14 are joined to each other. It is characterized by having joined portions 13a3 and 14a3.
  • the internal container contracts by receiving pressure from the pressurizing agent in the pressurized agent storage chamber. At that time, the joint of the inner container pulls the joint of the outer container inward, and eventually tears the joint of the outer container. Therefore, a hole corresponding to the joint is made in the outer container, and the pressurizing agent is discharged to the outside.
  • the joining portion 13a3 or its periphery is made thinner than other portions of the bottom portion 13a.
  • bottom portion 13a of the outer container 13 and the bottom portion 14a of the inner container 14 overlap, and the bottom portions 13a and 14a project inward while being curved.
  • joints 13a3 and 14a3 be dented on the outer surface side and protrude on the inner surface side.
  • the outer container and the inner container are blow-molded in a stacked state, and the outer container and a part of the inner container are blow-molded or before the resin is cured after the molding. It is pushed inward and thermocompression bonded together to form the joint.
  • a gas discharge function can be provided only by performing simple processing or processing during the manufacture of the container body.
  • an external container 13 and an internal container 14 housed in the external container 13 and contracted by an external force and filled with the stock solution C are prepared (S1 to S3).
  • S11 to S12) the lid 15 is tightly attached to the mouth 14f2 of the inner container 14 (S4), the external force for contracting the inner container 14 is released (S5), and the mouth 13g1 of the outer container 13 and the inner container 14 are released.
  • the pressurizing agent P is filled between the outer container 13 and the inner container 14 through the gap of the mouth 14f2 (S6), and the gap between the mouth 13g1 of the outer container 13 and the mouth 14f2 of the inner container 14 is formed by the lid 15. (S7).
  • the undiluted solution can be filled into the inner container from the mouth before the lid is attached to the inner container. Therefore, filling can be performed more efficiently than filling through a valve. Since the undiluted solution is an incompressible fluid, even if the contraction of the inner container is released, the inner container cannot return to its original shape when the lid is attached and air cannot flow in from the outside. Will be maintained. Therefore, it is easy to fill the pressurizing agent between the outer container and the inner container. Further, when the pressurizing agent is filled, the pressurizing agent does not enter the internal container.
  • the inner container 14 is compressed by compressing the outer container 13 so that the inner container 14 is contracted. Good.
  • the inner container in the preparation step, when the outer container is compressed, the inner container can be contracted by a simple operation when the inner container is compressed together. Is easy to maintain.
  • the compression steps S2 and S12 may be performed before the stock solution C is filled in the internal container 14 (S2) or may be performed after the stock solution C is filled (S12).
  • the stock solution can be quickly compressed because there is no stock solution during the compression operation.
  • the filling can be performed while leaving the head space, so that the stock solution can be easily filled.
  • the gap between the outer container 13 and the lid 15, the gap between the inner container 14 and the lid 15, or both are sealed by ultrasonic welding (S7).
  • the filling and sealing of the pressurizing agent can be performed continuously, so that it is efficient. is there.
  • an outer container 13 and an inner container 14 housed in the outer container 13 are prepared, and the inner container 14 is contracted (S2, S21).
  • the internal container 14 is filled with the undiluted solution C (S3), and the lid 15 is tightly attached to the opening 14f2 of the internal container 14 (S4).
  • the pressurizing agent P is filled between the outer container 13 and the inner container 14 through a gap between the mouth 13g1 of the outer container 13 and the mouth 14f2 of the inner container 14 (S5).
  • the gap between 13g1 and the mouth 14f2 of the inner container 14 is sealed (S6).
  • the undiluted solution can be filled into the inner container from the mouth before the lid is attached to the inner container. Therefore, filling can be performed more efficiently than filling through a valve. Further, since the inner container is contracted before filling with the pressurizing agent, the pressurizing agent is easily filled between the outer container and the inner container. Further, since the inner container is sealed by the lid when the pressurizing agent is charged, the pressurizing agent does not enter the inner container when the pressurizing agent is charged.
  • the internal container 14 is contracted by depressurizing the internal container 14 with the gap between the opening 13 g 1 of the external container 13 and the opening 14 f 2 of the internal container 14 opened. It may be.
  • a fluid is sent between the outer container 13 and the inner container 14 through a gap between the opening 13g1 of the outer container 13 and the opening 14f2 of the inner container 14 so that the inner container 13 is opened. May be contracted.
  • the container when the internal container is opened and fluid is sent between the external container and the internal container through the gap between the external container and the internal container to shrink the internal container,
  • the container can be shrunk.
  • the gap between the outer container 13 and the lid 15, the gap between the inner container 14 and the lid 15, or both are sealed by ultrasonic welding (S6).
  • the filling and sealing of the pressurizing agent can be performed continuously, so that it is efficient. is there.
  • Still another embodiment of the method for producing a discharged product according to the present invention wherein a step of filling a stock solution C in an inner container 14 and a step of filling a pressurizing agent P between the inner container 14 and the outer container 13 A step of fixing the lid 15 to the opening and a step of contracting the internal container 14 by dissolving the gas G in the internal container 14 into the stock solution C.
  • the gas G in the internal container 14 indicates a gas present in the internal container 14.
  • the method for manufacturing a discharged product according to the present invention includes a step of dissolving the gas in the inner container into a stock solution to shrink the inner container.
  • the gas in the internal container is dissolved in the undiluted solution as described above, the formation of the gas phase in the internal container can be suppressed.
  • a replacement step may be provided in which the gas G in the inner container 14 is converted into a gas having a higher solubility in the stock solution C than air.
  • the gas in the inner container When the gas in the inner container is provided with a replacement step of making the gas having a higher solubility in the undiluted solution than air, the gas in the inner container is easily dissolved in the undiluted solution, and a gas phase portion is formed in the inner container. Can be further suppressed.
  • a replacement step may be provided in which the gas G in the internal container 14 is a gas having a higher solubility in the stock solution C than the pressure agent P.
  • the gas in the inner container is replaced with a gas having a higher solubility in the undiluted solution than the pressurizing agent, the gas in the inner container is easily dissolved in the undiluted solution. The formation of the portion can be further suppressed.
  • solubility of the gas G in the inner container 14 with respect to 1 ml of the stock solution at 25 ° C. and 1 atm is 0.02 ml or more.
  • the solubility of the gas in the inner container in 1 ml of the stock solution at 25 ° C. and 1 atm is 0.02 ml or more, the gas in the inner container is easily dissolved in the stock solution.
  • the step of fixing the lid 15 to the opening is welding, and after the welding step, it is preferable to perform a step of contracting the internal container 14 by dissolving the gas G in the internal container 14 into the stock solution C. .
  • a step of preparing an outer container 13 and an inner container 14 having gas permeability a step of filling the inner container 14 with the undiluted solution C, A step of filling the chamber Sp with the pressurizing agent P, a step of fixing the lid 15 to the openings of the outer container and the inner container, and a step of filling the pressurizing agent P filled between the inner container 14 and the outer container 13 into the inner space.
  • the method is characterized in that a step of contracting the internal container 14 by allowing the liquid to pass through the container and dissolving it in the stock solution C is provided.
  • the method for producing a discharged product according to the present invention includes a step of dissolving the pressurizing agent filled between the inner container and the outer container in a stock solution to shrink the inner container.
  • the pressurizing agent is dissolved in the undiluted solution, the gas in the internal container passes through the internal container, so that the formation of the gas phase in the internal container can be suppressed.
  • the pressurizing agent P has higher solubility in the stock solution C than the gas G in the internal container 14.
  • the solubility of the pressurizing agent P in 1 ml of the stock solution at 25 ° C. and 1 atm is preferably 0.02 ml or more.
  • the pressurizing agent When the solubility of the pressurizing agent in 1 ml of the stock solution at 25 ° C. and 1 atm is 0.02 ml or more, the pressurizing agent is easily dissolved in the stock solution.
  • the step of fixing the lid 15 to the opening is welding, and it is preferable to perform a step of shrinking the internal container 14 by dissolving the pressurizing agent P in the stock solution C after the welding step.
  • the inner container is not filled with the undiluted solution, and the welding is performed in a state where the gas phase portion is left.However, after the lid is welded, by performing the step of shrinking the inner container by dissolving the pressurizing agent in the undiluted solution, The gas phase in the inner container can be made smaller or eliminated.
  • the method for producing a gas-containing food comprises dissolving the double-pressurized container, the food C having a gas solubility of 0.05 or less, and the food having a solubility in water at 25 ° C of 0.05 or more.
  • the cover 15 is moved over the container body 16.
  • the outer container 13 and the inner container 14 are hermetically sealed by sonic welding, and the gas P is permeated and contained in the food C.
  • the method for producing a gas-containing food of the present invention is to fill a food having a gas dissolution amount of 0.05 or less, so that the gas hardly evaporates from the food when the lid is ultrasonically welded to the container body. , Can be reliably welded. Further, the gas passes through the inner container and is dissolved in the food, so that a food in which the gas is dissolved can be obtained. Since the container body and the lid are made of the same material, it is easy to recycle after discharging the food. Further, even if there is a space (head space) in the internal container immediately after filling the undiluted solution, the gas permeates the internal container and dissolves in the undiluted solution, and the internal container shrinks to eliminate the head space. Therefore, it is possible to prevent the undiluted solution from scattering when the lid is opened. Further, since the pressure is greatly reduced by dissolution of the gas, the thickness of the container body can be reduced.
  • the food C is filled in the inner container 14 and the gas P is filled between the outer container 13 and the inner container 14.
  • FIG. 1A and 1B are schematic cross-sectional views each showing an embodiment of a state of sale of a discharge device of the present invention.
  • 2A and 2B are schematic cross-sectional views of the discharge device of FIG. 1 after opening and after use
  • FIG. 2C is a main-portion cross-sectional view showing another embodiment.
  • 3A and 3B are cross-sectional views of main parts before and after opening, showing another embodiment of the ejection device of the present invention.
  • 4A, 4B and 4C are sectional views showing another embodiment of the double container, the discharge product and the discharge device according to the discharge device of the present invention.
  • 5A and 5B are cross-sectional views of main parts before and after lid welding, showing another embodiment of the double pressurized container of the present invention.
  • FIGS. 9B, 9C, and 9D are plan cross-sectional views of the same portion as FIG. 9A showing another embodiment.
  • FIG. 10A and FIG. 10B are cross-sectional views of main parts before and after lid welding, showing still another embodiment of the double pressurized container of the present invention. It is principal part sectional drawing which shows another embodiment of the double pressurized container of this invention.
  • FIG. 8A is a cross-sectional view of a main part showing another embodiment of a discharge member
  • FIG. 8B is a cross-sectional view of a main part showing another embodiment of a pressurized container.
  • 9A is a cross-sectional view taken along line XX of FIG. 8B
  • FIGS. 9B, 9C, and 9D are plan cross-sectional views of the same portion as FIG. 9A showing another embodiment.
  • FIG. 10B are cross-sectional views of a main part showing before and after opening of another embodiment of the ejection device of the present invention.
  • 11A is a cross-sectional view showing another embodiment of the discharge device of the present invention
  • FIG. 11B is a cross-sectional view of a main part showing the discharge device after opening
  • FIG. 11C is a cross-sectional view taken along line YY of FIG. 11A.
  • FIG. 12A is a cross-sectional view showing a state where another embodiment of the lid is put on the container main body of FIG. 1B
  • FIG. 2B is a cross-sectional view after the lid is welded to the container main body.
  • FIG. 13 is a sectional view showing another embodiment of the ejection member of the present invention.
  • FIG. 14A is a cross-sectional view showing a state in which a lid according to another embodiment of the pressurized container of the present invention is covered on a container main body
  • FIG. 14B is a cross-sectional view after the lid is welded to the container main body
  • FIG. 15A is an overall cross-sectional view showing a state where a lid according to still another embodiment of the pressurized container of the present invention is covered on a container main body
  • FIG. 15B is a main part cross-sectional view after the lid is welded to the container main body. is there.
  • FIG. 16A is a cross-sectional view showing another embodiment of the pressurized container of the present invention before the lid is welded
  • 16B is a cross-sectional view showing the pressurized container after the lid is welded together with the discharge member.
  • BRIEF DESCRIPTION OF THE DRAWINGS It is sectional drawing which shows one Embodiment of the discharge device system of this invention, and shows the discharge device from which a use differs on the right side and the left side.
  • 18A and 18B are cross-sectional views of main parts showing a state in which a pressurized product and a discharge member are correctly combined
  • FIGS. 18C and 18D are cross-sectional views of main parts showing states in which they are incorrectly combined. It is a principal part sectional view showing other embodiments of a discharge device concerning the present invention.
  • FIGS. 20A and 20B are cross-sectional views of main parts showing a state in which a pressurized product and a discharge member are correctly combined
  • FIGS. 20C and 20D are cross-sectional views of main parts showing states in which they are incorrectly combined.
  • It is a principal part sectional view showing other embodiments of the discharge device system of the present invention.
  • It is sectional drawing which shows other embodiment of the discharge device which concerns on this invention.
  • 23A is a cross-sectional view of a main part of a discharge member
  • FIG. 23B is a cross-sectional view of a main part showing another embodiment of a double pressurized container
  • FIG. 23C is a cross-sectional view taken along line II-II of FIG. 23A.
  • FIG. 24B are cross-sectional views of main parts before and after opening the discharge device.
  • FIG. 24B is an overall cross-sectional view illustrating the state after the ejection device of FIG. 24A is opened.
  • 26A and 26B are cross-sectional views showing still another embodiment of the discharge device of the present invention before and after opening.
  • FIG. 26B is an overall cross-sectional view illustrating the ejection device of FIG. 26A after opening. It is principal part sectional drawing before opening which shows other embodiment of the discharge device of this invention.
  • FIG. 29 is an overall cross-sectional view showing the discharge device of FIG. 28 after opening.
  • FIG. 30A is a cross-sectional view showing still another embodiment of the double pressurized container (discharge container) of the present invention together with a discharge member, and FIG.
  • FIG. 30B is a cross-sectional view of the double pressurized container before the lid is attached.
  • FIG. 30B is a cross-sectional view showing the double pressurized container of FIG. 30A after the outer container is opened.
  • 32A and 32B are enlarged cross-sectional views of a main part of the double pressurized container of FIG. 31A before and after the outer container is opened.
  • It is sectional drawing which shows one Embodiment of the manufacturing method of the double pressurized container of this invention. It is a partial process drawing showing one embodiment of the manufacturing method of the present invention.
  • FIG. 35 is a partial process drawing following FIG. 34. It is a flowchart showing other embodiments of a stock solution filling process.
  • FIG. 30B is a cross-sectional view showing the double pressurized container of FIG. 30A after the outer container is opened.
  • 32A and 32B are enlarged cross-sectional views of a main part of the double pressurized container of FIG. 31A before and after the outer container
  • FIG. 37A is a sectional view of an essential part showing one embodiment of a lid welding step according to the present invention
  • FIG. 37B is a sectional view after welding.
  • FIG. 3 is a partial cross-sectional front view of a pressurizing agent filling apparatus used in the production method of the present invention. It is a schematic process drawing showing one embodiment of a manufacturing method of a pressurized product of the present invention. It is a partial process drawing showing one embodiment of the manufacturing method of the present invention.
  • FIG. 41 is a partial process diagram following FIG. 40; It is a flowchart showing other embodiments of a stock solution filling process.
  • the discharge device 10 shown in FIG. 1A includes a double pressurized container 11, a discharge member 12, and a stock solution C and a pressurizing agent (propellant) P filled in the double pressurized container 11.
  • the double pressurized container 11 filled with the undiluted solution C and the pressurizing agent P is a discharge product (also referred to as a pressurized product or a double pressurized product) 11a.
  • the discharge product 11a and the discharge member 12 are sold as a set before assembly (see FIG. 1A) or in a half-assembled unopened state (FIG. 1B).
  • the discharge product 11a is sold together with the discharge member 12, and is also sold alone for replacement.
  • the ejection member 12 may be sold alone.
  • the double pressurized container 11 includes an outer container 13, a flexible inner container 14 housed therein, and a lid 15 for sealing the outer container 13 and the inner container 14. There are no valves or pumps.
  • the inside of the inner container 14 is a stock solution storage chamber for filling the stock solution C, and the space between the outer container 13 and the inner container 14 is a pressurized agent housing chamber for filling the pressurized agent P. They are sealed by the lid 15.
  • the outer container 13 includes a hemispherical bottom portion 13a, a cylindrical body portion 13b continuous from its upper end, a shoulder portion 13c continuous from its upper end, and a thick cylindrical neck portion 13d protruding upward from its upper end.
  • An external thread 13e is formed on the outer periphery of the neck 13d.
  • the upper end surface 13f of the neck 13d is substantially flat so that the lid 15 can be fixed.
  • an annular protrusion (see reference numeral 36b in FIG. 3A) may be provided on the upper end surface 13f.
  • the inner container 14 also includes a bottom 14a, a body 14b, a shoulder 14c, and a neck 14d, like the outer container 13.
  • the outer surface of the neck 14d of the inner container 14 is in close contact with the inner surface of the neck 13d of the outer container 13.
  • the inner surface of the neck 14d of the inner container 14 is a smooth cylindrical surface.
  • a flange that engages with the upper end surface 13f of the neck 13d of the outer container 13 may be provided at the upper end of the neck 14d of the inner container 14 (see reference numeral 38b in FIG. 3A).
  • the bottom 14a of the inner container 14 is in contact with the bottom 13a of the outer container 13, and is supported so that the inner container 14 does not lower when filling with a pressurizing agent or fixing the lid 15.
  • Each of the outer container 13 and the inner container 14 is made of a synthetic resin, in particular, a thermoplastic resin such as polyethylene terephthalate, polyethylene naphthalate, polyethylene, or polypropylene. , And blow molding the lower side of the shoulders 13c and 14c at the same time.
  • a thermoplastic resin such as polyethylene terephthalate, polyethylene naphthalate, polyethylene, or polypropylene.
  • an injection blow molding method in which a preform having a predetermined shape is injection-molded and then blow-molded is preferable.
  • the outer container 13 and the inner container 14 can be formed into substantially the same shape except for the neck portions 13d and 14d.
  • the outer container 13 is made thick to have pressure resistance, and the inner container 14 is made thin to have flexibility or breakability.
  • the outer container 13 is blow-molded using a preform in which fine bubbles are mixed, the bubbles are stretched and become white and opaque. Thereby, the shape of the inner container 14 can be hidden. In this case, since no
  • the lid 15 is composed of a bottomed cylindrical sealing portion 15a inserted into the neck 14d of the inner container 14, and an annular flange 15b connected to the upper end thereof.
  • an unsealed portion 15d having a reduced thickness is provided at the bottom 15c of the sealing portion 15a.
  • the unsealed portion 15d can be formed by an annular thin portion or a weakened line such as an annular groove to facilitate opening at the unsealing portion 27 described later.
  • the sealing portion 15a and the unsealed portion 15d may be partially hardened by cooling conditions at the time of molding or the like to suppress stretching at the time of unsealing and facilitate breakage.
  • the outer peripheral surface of the cylindrical portion of the sealing portion 15a can discharge air in the inner container 14 when the cover 15 is attached to the inner container neck 14d between the inner surface of the inner container neck 14d and the inner surface of the inner container neck 14d.
  • the fitting state is such that the stock solution C in the inner container 14 can be liquid-sealed.
  • the inner peripheral surface of the cylindrical portion of the sealing portion 15a preferably has a smooth cylindrical surface so as to form a seal with the valve when opening the unsealed portion 15d so that the undiluted solution does not leak.
  • the diameter may be reduced to a tapered shape.
  • the flange 15b of the lid 15 is filled with the undiluted solution C or the pressurizing agent P, and is then subjected to ultrasonic welding, laser welding, high-frequency welding, or the like, to form the upper end surface 13f of the neck 13d of the outer container 13 and the upper end surface of the neck 14d of the inner container 14. 14e, and sealed at the same time.
  • the lid 15 is made of a thermoplastic resin having a high thermal bonding property with the outer container 13 and the inner container 14. When the lid 15 is fixed by welding, it is preferable to use the same material as the outer container 13 and the inner container 14. The lid 15 may be adhered with an adhesive in addition to welding.
  • the contents (undiluted solution C and pressurized agent P) are sealed by sealing the undiluted solution storage room and the pressurized agent storage room with the lid 15 and fixing the undiluted solution storage room and the pressurized agent storage room to one or both of the internal container 14 and the external container 13. It can be safely stored for a long time without leakage.
  • the undiluted solution C skin products such as face wash, cleanser, bath additive, moisturizer, cleansing agent, sunscreen, lotion, shaving agent, depilatory, antiperspirant, disinfectant, disinfectant, insect repellent, etc., treatment agent Human products such as hair products such as styling agents and hair dyes; food products such as whipped cream; household products such as deodorants, fragrances, insecticides, insect repellents, pollen removers, and bactericides.
  • the stock solution C is brought into contact with the inner surface side of the opened portion 15d. Thereby, the unsealed portion 15 d is cooled by the undiluted solution C when the lid 15 is welded to the outer container 13 or the inner container 14. Therefore, the problem that the opened part 15d is melted by heat can be solved.
  • the pressurizing agent P a compressed gas such as nitrogen gas, compressed air, or carbon dioxide gas is preferable.
  • the pressure inside the double pressurized container is increased by 0.1 to 0.5 MPa (25 ° C., gauge pressure) by the pressurizing agent, and especially 0.3 to 0.5 MPa (25 ° C., gauge pressure) equivalent to that of carbonated beverages.
  • the capacity of the outer container 13 is preferably 30 to 500 ml.
  • the capacity of the inner container (stock solution storage chamber) 14 is preferably about 20 to 300 ml.
  • the capacity of the pressurized agent storage chamber is preferably about 10 to 200 ml.
  • the double pressurized container 11 has a small number of parts and does not have an operating part such as a valve, so that it can be manufactured at low cost. And since the pressure of the double pressurized container 11 is low and is about the same as that of carbonated drinks, it is safe when a consumer carries it or when a distributor distributes it. Even if the external container 13 is cracked, the undiluted solution C does not leak, only the pressurizing agent P leaks. Therefore, it is more secure.
  • the discharge member 12 is mounted on a cap (mounting portion) 20 that is screwed with the male screw 13 e of the neck portion 13 d of the outer container 13, a valve (valve) 21 held by the cap 20, and a stem 22 of the valve 21.
  • An operation button (operation unit) 23 is provided.
  • the cap 20 has a bottomed cylindrical shape, and has an internal thread formed on the inner peripheral surface.
  • a shallow bottomed cylindrical valve holding portion 20b for holding the upper portion of the housing 24 of the valve 21 is provided on the upper bottom 20a so as to protrude upward, and a hole 20c for passing the stem 22 is formed at the center thereof.
  • the valve 21 includes a bottomed cylindrical housing 24, a stem 22 housed therein so as to be vertically movable, a spring 25 for urging the stem 22 upward, and an upper end of the housing 24 and a valve holding portion 20 b. It has a known basic structure consisting of a stem rubber 26 interposed between upper and lower surfaces. Further, in this embodiment, a thin tubular opening 27 protruding downward is provided at the lower end of the housing 24, and a seal member 28 such as an O-ring is mounted on the outer periphery of the lower portion of the housing 24. The lower end 27a of the opening portion 27 is sharpened so that the opening portion 15d can be easily broken. The seal member 28 seals between the housing 24 and the inner peripheral surface of the sealing portion 15a of the lid 15 at the time of opening and after opening.
  • the double pressurized container 11 and the discharging member 12 are temporarily connected by attaching the cap 20 to the external container 13 as shown in FIG. Thereby, the purchasing consumer can easily perform the opening operation.
  • the seal member 28 is not in contact with the inner surface of the sealing portion 15a.
  • the ejection product 11a and the ejection member 12 may be sold and distributed as a set without being assembled.
  • the cap 20 When the user purchases and uses the discharge device 10, first, the cap 20 is screwed. Thereby, the sealing member 28 seals between the lid 15 and the housing 24. Then, when the cap 20 is further screwed in, the lower end 27a of the unsealing portion 27 of the housing 24 pierces the unsealed portion 15d of the lid 15 to communicate the inside of the housing 24 with the undiluted solution storage chamber in the inner container 14 (see FIG. 2A). ).
  • the undiluted solution C may leak from a gap between the inner periphery of the opened portion 15d and the outer periphery of the opened portion 27.
  • the sealing member 28 since the space between the sealing portion 15a and the housing 24 is sealed by the sealing member 28, the undiluted solution C remains in the sealing portion 15a and does not leak to the outside. Further, the internal pressure acts to push up the housing 24, but since the cap 20 and the external container 13 are screwed together, the ejection member 12 is prevented from jumping out.
  • the undiluted solution C in the undiluted solution storage chamber is pressurized by the pressurizing agent P via the internal container 14, when the user presses the operation button 23 attached to the stem 22, the stem 22 descends and the stem rubber 26 is moved. The flexure and the opening of the stem are opened, and the stock solution C in the inner container 14 is discharged to the outside via the opening portion 27, the housing 24, the stem 22, and the operation button 23. When the pressing is stopped, the stem 22 rises, and the discharge is stopped. Since the pressurized agent storage chamber filled with the pressurized agent P is closed and is not in communication with the outside or the undiluted solution storage chamber, the pressurized agent P does not leak to the outside.
  • a spike 15e extending downward is provided at the bottom of the sealing portion 15a to automatically release the pressurizing agent P when the inner container 14 contracts and the shoulder portion 14c is pushed up. It is preferable that holes be formed in the holes. Thus, the pressurizing agent P in the outer container 13 can be safely discharged, and the outer container 13 can be crushed to reduce its volume and be discarded.
  • the removed discharge member 12 is mounted on a new double pressurized container 11 and reused. It is preferable that a plurality of spikes 15e project downward.
  • the double pressurized container 31 and the discharge member 32 of the discharge device 30 of FIG. 3A have the same basic structure as the double pressurized container 11 and the discharge member 12 of FIGS. 1A and 1B, and are partially modified. It is.
  • the double pressurized container 31 includes an outer container 33, an inner container 34, and a lid 35.
  • an annular projection 36b for forming a seal point by increasing the contact pressure with the lid 35 during ultrasonic welding is formed.
  • An annular protrusion may be provided on the lid 35 side, or both may be provided.
  • a plurality of inclined portions 36c are provided on the inner side of the upper end surface 36a, and serve as a space for accommodating the resin pieces formed by cooling the resin melted during ultrasonic welding so as not to protrude.
  • the upper end surface 38a of the neck portion 38 of the inner container 34 protrudes from the upper end surface 36a of the outer container 33, and the protruding portion is formed with a flange 38b that engages with the upper end surface 36a of the outer container 33.
  • the thickness (radial dimension) of the flange 38 b is about 1 / to ⁇ of the thickness of the neck 36 of the outer container 33.
  • An annular projection 38c for welding for forming a seal point by increasing the contact pressure with the lid 35 is also formed on the upper end surface 38a of the neck portion 38 of the inner container 34. Such an annular projection may be provided on the lid 35 side or on both sides.
  • the lid 35 is composed of a bottomed cylindrical sealing portion 39 inserted into the neck portion 38 of the inner container 34 and an annular flange 40 connected to the upper end thereof. Between the inner surface of the neck portion 38 of the inner container 34 and the outer surface of the sealing portion 39, air can be discharged from the inner container 34 when the lid 35 is attached to the neck portion 38 of the inner container, and It is preferable that the fitting state be such that the undiluted solution in 34 can be liquid-sealed.
  • a cylindrical fitting cylindrical portion 41 protruding downward is provided at the center of the bottom of the sealing portion 39.
  • a bottom portion 42 is provided slightly above the lower end of the fitting tubular portion 41, and an opening portion 44 surrounded by an annular weakening line 43 is provided at the center of the bottom portion 42.
  • the weakening line 43 has a sufficient sealing function when not opened, and has a shape that can be easily broken. In this embodiment, the weakening line 43 is formed by a V groove.
  • the lower end of the fitting cylinder 41 may be cylindrical, but a groove may be provided between the lower end and the bottom 42 so that gas does not accumulate, or a spike for penetrating the inner container 34 may be provided. Good (see reference numeral 15e in FIG. 2C).
  • the flange 40 of the lid 35 includes an annular disk portion 46 extending radially outward from the upper end of the sealing portion 39, and an outer cylindrical portion 47 extending downward from the outer edge of the annular disk portion 46.
  • the lower surface of the annular disk portion 46 is a portion that comes into contact with and seals with the upper end surface 38a of the neck portion 38 of the inner container 34, and the lower surface of the outer cylinder portion 47 is brought into contact with and seals with the upper end surface 36a of the neck portion 36 of the outer container 33.
  • the surfaces to be sealed are simultaneously joined and sealed by ultrasonic welding or the like.
  • the discharge member 32 includes the cap 20, a valve 21 held by the cap 20, and an operation button (see FIG. 4C) mounted on the stem 22 of the valve 21.
  • a cylindrical valve holding portion 20b protrudes downward from the center of the cap 20.
  • the valve 21 includes a housing 24, a stem 22 housed therein to be vertically movable, a spring 25 for urging the stem 22 upward, and a stem rubber 26.
  • An annular groove is formed on the outer periphery of the housing 24, and a sealing member 45 such as an O-ring is housed in the annular groove. Since these are substantially the same as the embodiment of FIGS. 1A and 1B, detailed description will be omitted.
  • the lower end of the housing 24 is an unsealing portion 27 formed of a substantially conical projection.
  • the opening portion 27 is formed with a communication hole 48a and a vertical groove 48b that communicate the inside of the housing 24 and the inside of the internal container 34 after opening.
  • the communication hole 48a and the vertical groove 48b may be provided at one place, but a plurality of communication holes may be provided.
  • an end surface that approaches or contacts the upper surface of the unsealed portion 44 is formed at the lower end 27a of the unsealing portion. As shown in FIG.
  • the position of the end face is a position where the cap 20 comes into contact with the unsealed portion 44 when the cap 20 is screwed about once or twice with a male screw of the external container 33. Therefore, at the time of shipping, the discharge member 35 and the double pressurized container 31 can be connected in a sealed state without loosely screwing the cap 20 to break the opened portion 44.
  • the cap 20 can be opened simply by rotating the cap 20 several times.
  • the entire cap 20 and the valve 21 are lowered, and as shown in FIG. 3B, the end surface 27a of the unsealing portion 27 pushes the unsealing portion 44.
  • the unsealed portion 44 does not fall off at the time of unsealing, but remains hanging from the bottom portion 42. Therefore, there is an advantage that the communication hole 48a is not closed by the opened portion 44 to be opened. If a plurality of communication holes 48a are provided, even if one location is closed, communication can be performed with another communication hole 48a.
  • the double container 50 shown in FIG. 4A includes an external container 33 and an internal container 34 housed therein.
  • the lid has not been provided yet.
  • the bottom 33a of the outer container 33 includes an annular flat surface 51 and a dome-shaped protruding portion 52 provided at the center thereof and protruding upward.
  • the inner container 34 also has a bottom 34a similar to the outer container 33. It may be a petaloid type. This can be stably mounted as it is on a flat surface such as a table.
  • An annular support portion 53 is provided on the outer periphery of the neck portion 36 of the outer container 33.
  • the support portion 53 is held by a nail, a holder, or the like in manufacturing processes such as transport of the double container 50, filling of the undiluted solution, filling of the pressurizing agent, and welding of the lid.
  • the other points are substantially the same as the double container of FIG. 1A.
  • the discharge product 31a shown in FIG. 4B has a stock solution C filled in the inner container 34 (stock solution storage chamber) of the double container 50 shown in FIG. 4A, and is provided between the inner container 34 and the outer container 33 (pressurizing agent housing chamber).
  • a pressurizing agent (propellant) P is filled, and the upper end openings of the inner container 34 and the outer container 33 are sealed with a lid 35.
  • the lid 35 is the same as the lid 35 of FIG. 3A, and includes an unsealed portion 44 at the bottom 42 of the lid 35.
  • the flange 40 of the lid 35 is ultrasonically welded to the upper end of the neck 36 of the outer container 33 and the upper end of the neck 38 of the inner container 34. Adhesion may be used instead of ultrasonic welding.
  • the discharge product 31a is sealed with the lid 35, has no valve for opening, and has the unsealed portion 44 inside, so that the safety during transportation is high.
  • the outer container 33 and the inner container 34 are made of synthetic resin, and the inner container 34 is surrounded by the pressurizing agent P and further surrounded by the outer container 33, the elasticity of the discharged product 31a is high, and Hard to break. Further, since the unsealed portion 44 is inside, there is little possibility that the unsealed portion 44 is broken by mistake, which is more secure.
  • FIG. 4C shows the discharge device 30 in which the discharge member 32 is attached to the discharge product 31a in FIG. 4B, and is shown in an opened state.
  • the ejection member 32 includes a cap 20, a valve 21 held by the cap 20, and an operation button (actuator) 23 attached to a stem 22 of the valve 21.
  • the cap 20 and the valve 21 are substantially the same as the cap 20 and the valve 21 of the ejection member 32 of FIG. 3A.
  • the operation buttons 23 are substantially the same as the operation buttons 23 in FIG. 1A.
  • the discharge member can be removed and replaced with a new discharge product.
  • the ejection member used for spraying the insecticide is attached to the ejection product of the hair care product, there is a risk of harm to health.
  • different types of stock solutions may be mixed to cause unexpected chemical reactions.
  • the dispenser system of the present invention can prevent the above problem by preventing a specific group of discharge members from being mounted on another group of discharge products.
  • the upper end surface 13f of the neck 13d of the outer container 13 and the upper end surface 14e of the neck 14d of the inner container 14 are at the same height, and the flange 15b of the lid 15 is
  • ultrasonic welding is performed by contacting the upper ends 13f and 14e of the necks 13d and 14d with the horn (reference numeral H in FIG. 5A) on the upper surface of the flange 15b, through the same thickness portion of the flange 15b. Vibration is transmitted. Therefore, the vibration is transmitted substantially evenly, and both can be welded to the same degree. There is no problem that only one side is welded and the other is insufficiently welded.
  • the double pressurized container 55 like the double pressurized container 11 of FIG. 1A, the double pressurized container 55 includes an outer container 13, an inner container 14, and a lid (plug) 15.
  • the inside of the inner container 14 is the stock solution storage chamber Sc, and the space between the outer container 13 and the inner container 14 is the pressurized agent storage chamber Sp.
  • the outer container 13 is substantially the same as the outer container 33 of FIG. 4, and has a bottom, a body, a shoulder 13c, and a neck 13d.
  • an annular step 13h is formed on the inner peripheral side of the upper end face 13f of the neck 13d of the outer container 13.
  • the projecting wall 13i is provided on the outer peripheral side of the upper end surface.
  • the inner container 14 is substantially the same as the inner container 34 of FIG. 4A, and includes a bottom, a body, a shoulder 14c, and a neck 14d. Also in this internal container 14, a flange 14f is provided on the outer periphery of the upper end of the neck 14d.
  • the vertical thickness of the flange 14f is the same as the depth of the annular step 13h, and the outer diameter of the flange 14f is smaller than the inner diameter of the annular step 13h.
  • the flange 14f can be engaged with the annular step 13h.
  • the height of the upper surface 13f of the neck 13d of the outer container 13 and the upper surface 14e of the neck 14d of the inner container 14, that is, the height of the upper surface of the flange 14f are the same.
  • An annular projection 13g is formed on the upper end surface 13f of the neck 13d of the outer container 13 to increase the contact pressure with the lid 15 during ultrasonic welding to form a seal point.
  • An annular projection 14g for forming a seal point by increasing the contact pressure with the lid 15 during ultrasonic welding is also formed on the upper end surface 14e of the neck 14d of the inner container 14.
  • the lid 15 includes a bottomed cylindrical sealing portion 15a inserted into the neck 14d of the internal container 14, and a disk-shaped flange 15b extending outward from the upper end thereof.
  • the sealing portion 15a includes an upper inner cylindrical portion 15a1, a lower thin cylindrical fitting cylindrical portion (valve accommodating portion) 15a2, and a bottom portion 15c.
  • the inner peripheral surface of the fitting cylindrical portion 15a2 is a cylindrical surface, and is a portion where the seal member (reference numeral 28 in FIG. 1A, reference numeral 45 in FIG. 3A) comes into close contact after the discharge member is fitted.
  • the bottom portion 15c is provided with a thick opened portion 15d.
  • the unsealed portion 15d is surrounded by a weakened line 15f such as an annular thin portion or an annular groove to facilitate opening at the unsealing portion (reference numeral 27 in FIGS. 1A and 3B).
  • a reinforcing portion (reinforcing rib) 15g is provided on the bottom portion 15c, and a weakening line is not provided at that portion. When the opening portion is broken, the reinforcing portion 15g is connected to the bottom portion 15c so as to hang. However, the opened portion 15d may be dropped without providing the reinforcing portion 15g.
  • the unsealed portion 15d is thicker than the bottom portion 15c and protrudes upward. Thereby, when the pressure receiving portion 15d1 on the upper surface of the unsealed portion 15d is pressed by the unsealing portion (reference numeral 27 in FIG. 3) of the ejection member, the unsealed portion 15d is not easily deformed and easily broken at the weakening line 15f.
  • the thickness (vertical dimension) of the flange 15b of the lid 15 can be made uniform. Therefore, when ultrasonic welding is performed by contacting the horn H with the upper surface of the lid 15, the contact pressure between the flange 15 b and the upper end surface 13 f of the outer container 13 and the contact pressure between the flange 15 b and the upper end surface 14 e of the inner container 14. Can be made substantially the same, and as shown in FIG. 5B, the welding of both welding portions Y1 and Y2 can be made the same. That is, when one is welded, the other is not sufficiently welded. Since the flange 14f of the inner container 14 is supported by the annular step 13h of the outer container, the force pressing the horn H does not escape.
  • the lower surface of the flange 14f of the inner container 14 is formed with a lateral groove 14h for filling the pressurized agent extending in the radial direction.
  • a vertical groove 14i which is continuous with the horizontal groove 14h is formed on the outer peripheral surface of the neck 14d of the inner container 14.
  • the upper part of the neck 14d of the inner container 14 is tightly fitted to the inner peripheral surface of the neck 13d of the outer container 13 except for the vertical groove 14i.
  • a cutout groove 14f1 for filling the pressurizing agent is formed in a portion corresponding to the horizontal groove 14h and extending in the vertical direction.
  • the double pressurized container 56 shown in FIG. 6A does not provide the outer container 13 or the inner container 14 with an annular projection for increasing the contact pressure with the lid 15 at the time of ultrasonic welding to form a seal point. It is provided on the lid 15 side. That is, the upper end surface 13f of the neck 13d of the outer container 13 and the upper end surface 14e of the flange 14f of the inner container are flattened, and a seal is provided between the lower surface of the flange 15b of the lid 15 and the upper end surface 13f of the outer container 13. An annular projection 15b1 for making a point is provided.
  • an inclined portion (for forming a seal point) between the lower surface of the flange 15b of the lid 15 and the base (base portion) of the outer peripheral surface of the sealing portion 15a between the upper inner edge of the neck 14d of the inner container 14 ( (A fillet portion) 15b2.
  • Other points are the same as those of the double pressurized container 55 of FIG. 5A.
  • a welded portion Y1 is formed between the upper end surface 13f of the outer container 13 and the flange 15b of the lid 15 as shown in FIG. 6B after the ultrasonic welding.
  • a welding portion Y3 is formed between the inclined portion 15b2 of the lid 15 and a corner of the inner periphery of the upper end of the inner container 14.
  • the welded portion Y3 formed by the inclined portion 15b2 is welded on the inner container 14, the horizontal surface (the upper end surface 14e), and the vertical surface (the inner peripheral surface), so that the weld strength and the sealability are high.
  • the substantially cylindrical sealing portion 15a extends downward, and the fitting cylindrical portion 15a2 is provided concentrically inside the sealing portion 15a.
  • the fitting tube portion 15a2 rises upward from the center of the bottom portion 15c of the sealing portion 15a, and has an open upper end.
  • the upper portion of the sealing portion 15a has a substantially cylindrical shape, and the lower portion 15a3 has a tapered shape tapering downward. However, it may be cylindrical from the upper part to the lower part.
  • An annular step or rib may be provided outside the lower portion 15a3.
  • the neck portion 14d of the inner container 14 is formed so as to be substantially in close contact with the outer peripheral surface of the sealing portion 15a, and has a cylindrical upper portion 14d1, a tapered portion 14d2 tapering downward, and a lower end portion. And a cylindrical portion 14d3 extending downward.
  • the lower end of the cylindrical portion 14d3 is continuous with the shoulder 14c. That is, the upper part of the tapered part 14d2, the cylindrical part 14d3, and the shoulder part 14c of the neck part 14d of the inner container 14 forms a constricted part.
  • the opening portion 15d surrounded by the weakening line 15f is provided on the bottom portion 15c of the fitting cylindrical portion 15a2, similarly to the double pressurized container 11 of FIGS. 1A and 3A.
  • the pressure receiving portion 15d1 is provided on the upper surface of the opened portion 15d. Therefore, the unsealed portion 15d is not easily deformed, and the unsealed portion 15d of the ejection member (reference numeral 27 in FIG. 1A) is easily broken.
  • a notch 15 h is provided on the outer periphery of the upper surface of the lid 15. When the horn is pressed against the upper surface of the lid 15 and ultrasonically welded to the notch 15h, the vibration of the horn is easily concentrated on the annular projection 13g at the upper end of the neck of the outer container 13.
  • the lid body 15 in FIG. 7 has a fitting cylindrical portion 15a2 provided inside the sealing portion 15a . Is connected to the lower end by a connecting portion 15a6 .
  • the unsealing portion 15d is provided on a bottom portion 15c which closes a little above the lower end of the lower cylindrical portion 15a5. Therefore, when ultrasonic welding is performed by pressing the horn against the upper surface of the lid 15, the vibration of the horn easily passes through the sealing portion 15a and flows from the lower end 15a4 to the stock solution C side (see arrow B).
  • the opening portion 15d is provided above the connecting portion 15a6, the vibration is not easily transmitted to the opening portion 15d. Therefore, dissolution and penetration of the weakening line 15f are prevented.
  • the double pressurized container 58 shown in FIG. 7 has a constricted portion formed of a tapered portion 14d2 and a cylindrical portion 14d3 at the neck portion 14d of the inner container 14, and the constricted portion is in close contact with the sealing portion 15a of the lid 15. Therefore, when the stock solution C is filled in the inner container 14, the gas phase Gp (head space Hs) becomes smaller. Therefore, when the consumer starts to use the stock solution C, the stock solution C is vigorously discharged and scattered by the gas compressed in the gas phase part Gp. In addition, the stock solution C is mixed with the gas at the time of discharge and the stock solution C is discharged discontinuously. Problems such as dropping are less likely to occur, and the discharge becomes smooth.
  • a post-foamable gel composition or a post-foamable cream composition containing a foaming agent having a boiling point of 10 to 35 ° C. such as isopentane or 1-chloro-3,3,3-trifluoropropene in a stock solution is used. Even in the case of filling, since the gas phase portion Gp is small, foaming immediately after filling can be prevented, and the liquid can be discharged in a gel or cream form.
  • the lid is welded to both the inner container and the outer container.
  • the lid may be fixed to either one and simply sealed with an O-ring or the like.
  • the inner container and the outer container are manufactured by blow molding at the same time.
  • the inner container and the outer container may be manufactured separately, and then the inner container may be housed in the outer container.
  • the inner container may be blow molded.
  • the annular projections 38c and 36b capable of reliably securing the seal point may be provided on the outer container 13, the inner container 14, and the lid 15 of FIG. 1A.
  • the neck 14d of the inner container 14 and the lower portion 15a3 of the sealing portion 15a of the lid 15 may be formed into a straight cylindrical shape.
  • the lid 15 includes a bottomed cylindrical sealing portion 15a inserted into the neck portion 14d of the inner container 14, and an annular flange 15b connected to the upper end thereof.
  • the lower part of the sealing part 15a is a fitting cylindrical part 15a2 having a smaller diameter than the upper part.
  • an unsealed portion 15d having a pressure receiving portion 15d1 which is made thicker than its surroundings is provided.
  • the unsealed portion 15d is generally circular in plan view. However, other shapes such as a rectangle can be adopted.
  • the upper surface of the unsealed portion 15d is protruded, but the bottom may be further depressed to have a convex cross section.
  • the periphery of the unsealed portion 15d is surrounded by a weakening line 15f such as an annular groove, except for a part (continuous portion) 15d2.
  • the pressure receiving portion 15d1 is provided on the entire upper surface of the unsealed portion 15d, and the weakening line 15f is formed on the upper surface of the bottom portion 15c so as to surround the periphery of the pressure receiving portion 15d1.
  • the weakening line 15f is formed of, for example, a V groove.
  • a reinforcing portion (reinforcing rib) 15g is provided on the continuous portion 15d2 of the opened portion 15d so as to extend radially outward.
  • the reinforcing portion 15g is for maintaining the connection between the unsealed portion 15d and the bottom portion 15c so that the unsealed portion 15d does not fall into the container when the unsealed portion 15d is broken along the line of weakness 15f. (See FIG. 10B).
  • the height of the reinforcing portion 15g is equal to or lower than the pressure receiving portion 15d1 so as not to hinder the contact between the unsealing portion 27 of the discharge member 12 and the pressure receiving portion 15d1 of the unsealed portion 15d.
  • the sealing portion 15a and the unsealed portion 15d may be partially hardened by cooling conditions at the time of molding, for example, to suppress stretching at the time of unsealing, and to facilitate breakage.
  • the reinforcing portion 15g may be a single rib as shown in FIG. 9A or two ribs at a predetermined angle as shown in FIG. 9B. In this case, the weakening line 15f is not provided between the reinforcing portions 15g. By providing the reinforcing portion 15g at two locations, it is possible to reliably secure the unsealed portion 15d while securing the width of the flow path at the time of opening. Further, as shown in FIG. 9C, by providing the fan-shaped reinforcing portion 15g, it is possible to further ensure the flow path at the time of opening and prevent the opened portion 15d from falling off. Note that the reinforcing portion may not be provided as in FIG. 9D, and the weakening line 15f may not be simply formed in a predetermined angle range (90 ° in FIG. 9D). The range where the weakening line 15f is not provided is the continuous portion 15d2.
  • the discharge member 12 shown in FIG. 8A is mounted on a cap (mounting portion) 20 that is screwed with the male screw 13 e of the neck 13 d of the outer container 13, a valve 21 held by the cap 20, and a stem 22 of the valve 21.
  • An operation button (operation unit, actuator) 23 is provided.
  • the cap 20 has a bottomed cylindrical shape, and has an internal thread formed on the inner peripheral surface.
  • a valve holder 18 having a cylindrical valve holding portion 18a for holding an upper portion of the housing 24 of the valve 21 is attached to a lower side of the upper bottom 20a.
  • the valve holder 18 includes an annular rubber holder 18b extending inward from the upper end of the valve holding part 18a and a flange 18c extending outward, and the stem 22 is passed through the center of the rubber holder 18b.
  • a hole 18d is formed.
  • an opening 20b is formed through which the stem 22 passes and the base of the operation button 23 passes.
  • the valve 21 includes a bottomed cylindrical housing 24, the above-described stem 22 housed therein to be vertically movable, a spring 25 for urging the stem 22 upward, an upper end of the housing 24, and the valve holder 18. And a stem rubber 26 interposed between the rubber pressers 18b. Further, in this embodiment, a substantially cylindrical opening 27 protruding downward is provided at the lower end of the housing 24, and a seal member 28 such as an O-ring is mounted on the outer periphery of the lower portion of the housing 24.
  • the bottom surface (lower surface) 27a of the unsealing portion 27 is sized to be in contact with the entire pressure receiving portion 15d1 of the lid 15, and is flat so as to be in contact with the upper surface of the pressure receiving portion 15d1.
  • the diameter of the unsealing portion 27 is the same as or slightly larger than the pressure receiving portion 15d1. Further, the diameter is somewhat smaller than the diameter of the area surrounded by the weakening line 15f. Thereby, at the time of breakage, the bottom surface 27a of the unsealing portion does not abut against the outer peripheral portion from the weakened line of the bottom portion 15c to prevent the pressure receiving portion 15d1 from being pushed, and after the rupture, the bottom surface 27a of the unsealing portion 27 is formed by unsealing. It can be made to protrude below the opening, and it becomes easy to secure a passage for the stock solution C.
  • the seal member 28 seals the space between the inner peripheral surface of the fitting cylindrical portion 15a2 of the lid 15 and the housing 24 at the time of opening and after opening.
  • a deep hole 27b communicating with the inside of the housing 24 is formed.
  • a horizontal hole 27c communicating the inside of the deep hole 27b with the outside is formed.
  • the lateral hole 27c communicates the inside of the housing 24 with the stock solution storage chamber Sc in the internal container 14 after being opened, and serves as a passage for the stock solution to be discharged. Since the horizontal hole 27c is not closed by the broken opening portion 15d, a stable discharge state is maintained. Instead of the horizontal hole 27c, a vertical hole reaching the bottom surface 27a may be formed at the center of the opening 27. Further, a horizontal hole and a vertical hole may be formed.
  • the position in the height direction of the bottom surface 27a of the unsealing portion 27 is, as shown in FIG. 10A, a position where the cap 20 comes into contact with the pressure receiving portion 15d1 when the cap 20 is screwed once or twice with a male screw of the external container 13. . Therefore, at the time of shipment, the discharge member 12 and the double pressurized container 11 can be connected in a sealed state without loosely screwing the cap 20 to break the opened portion 15d.
  • the double pressurized container 11 and the discharge member 12 are provided with the cap 20 attached to the external container 13 as shown in FIG.
  • the seal member 28 is in close contact with the inner surface of the fitting tubular portion 15a2.
  • the cap 20 When using the ejection device 10 purchased by the user, first, the cap 20 is screwed into the external thread 13e of the external container. Thereby, the entire cap 20 and the valve 21 are lowered, and the bottom surface 27a of the unsealing portion 27 pushes down the unsealing portion 15d. As a result, the unsealed portion 15d is broken at the line of weakness 15f, breaks through the bottom 15c of the fitting tubular portion 15a2, and communicates the inside of the housing 24 with the stock solution storage chamber Sc in the internal container 14 (see FIG. 10B).
  • the bottom surface 27a of the unsealing portion 27 gradually presses the pressure receiving portion 15d1 of the unsealed portion 15d. Since the lid 15 is made of a synthetic resin, when the lid 15 is gradually pressed, the opened portion 15d is easily stretched due to its extensibility and is not easily broken. However, in this embodiment, since the unsealed portion 15d is surrounded by the annular weakening line 15f and the pressure receiving portion 15d1 protrudes, the stress concentration on the weakening line 15f increases, and the breakage can be performed smoothly. Further, since the bottom surface 27a of the unsealing portion 27 is flat, it is not easily deformed by the unsealing operation, and the ejection member can be used repeatedly.
  • the unsealed portion 15a has a thick and substantially circular pressure receiving portion 15d1 provided on the central axis of the lid 15 and is in contact with the circular bottom surface 27a of the unsealing portion 27.
  • the unsealed portion 15d When pressurized, the unsealed portion 15d is pushed straight in and breaks along the line of weakness 15f. When the break starts, the unsealed portion 15d starts to tilt while maintaining the connection at the reinforcing portion 15g. Since the opened portion 15d that has been broken is continuous with the periphery (the outer peripheral portion from the weakening line 15f) at the continuous portion 15d2, the opened portion 15d remains hanging from the bottom portion 15c without falling off. In addition, due to the extensibility of the synthetic resin described above, the continuous portion can be stretched, and the falling off of the unsealed portion 15d can be suppressed. Therefore, the opened portion 15d that has fallen does not hinder the discharge of the undiluted solution.
  • a discharge device 30a shown in FIG. 11A is substantially the same as the discharge device 10 shown in FIGS. 8 to 10B except that the shape around the opening 27 of the discharge member 12 is different. Therefore, the same portions are denoted by the same reference numerals and description thereof will be omitted.
  • the unsealing portion 27 provided at the lower portion of the housing 24 has a smaller diameter than the unsealed portion 15d of the lid 15.
  • a plurality of reinforcing plates 27d are radially provided between the cylindrical opening portion 27 and the lower surface 24a of the housing 24 (see FIG. 5C). The number of reinforcing plates 27d is preferably 3 to 5.
  • the reinforcing plate 27d does not reach the lower end of the opening portion 27, the vicinity of the lower end of the opening portion 27 remains cylindrical, and the bottom surface 27a is flat.
  • a passage communicating between the inside of the housing 24 and the stock solution storage chamber Sc in the internal container 14 is a vertical hole 24c vertically penetrating the bottom plate 24b of the housing 24.
  • the vertical holes 24c are formed between the adjacent reinforcing plates 27d, and are formed in the same number as the reinforcing plates 27d (see FIG. 5C). However, it may be less, such as one or two.
  • the planar shape of the vertical hole 24c can be substantially fan-shaped.
  • the bottom surface 27a of the unsealing portion 27 pushes the pressure receiving portion 15d1 downward as shown in FIG. 11B, and the unsealed portion 15d is moved along the line of weakness 15f. Break.
  • the broken opened part 15d hangs from the bottom part 15c in a state of being connected by the continuous part 15d2.
  • the lower portion of the unsealing portion 27 enters the hole after the unsealing portion 15d has come out, but since the diameter of the unsealing portion 27 is smaller than that of the unsealing portion 15d, a gap is provided between the unsealing portion 27 and the hole. And the undiluted solution C can pass through. Further, even if the opening portion 27 enters the hole from which the broken opening portion 27d has come off, the passage of the stock solution C is prevented by the plurality of reinforcing plates 27d.
  • FIG. 12A shows a state in which the lid 15 is put on the container body 16.
  • the lid 15 has not been welded yet.
  • the undiluted solution storage chamber Sc is filled with the undiluted solution C, but the pressurized agent storage chamber Sp is not filled with the pressurized agent P.
  • the contact pressure with the lid 15 is increased at the time of ultrasonic welding so that the outer container 13 is easily melted and integrated with the lid 15.
  • Annular projection 13g for forming a welded portion is formed.
  • the annular projection 13g is substantially triangular in cross section, particularly an isosceles triangle or equilateral triangle.
  • the annular projection 13g is provided substantially at the center of the thickness range of the neck 13d.
  • An annular protrusion may be provided on the lid 15 side, and the upper end surface 13f of the neck portion 13d may be flat.
  • a plurality of inclined portions 13h are provided on the inner side of the upper end face 13f, and a space for accommodating a resin piece (welding waste) formed by cooling the resin melted during ultrasonic welding so as not to protrude.
  • the upper portion of the neck portion 14d of the inner container 14 protrudes from the upper end surface 13f of the outer container 13, and the protruding portion is formed with a flange 14f that engages with the upper end surface 13f of the outer container 13. ing.
  • the thickness (dimension in the radial direction) of the flange 14f is about 1 / to ⁇ of the thickness of the neck 13d of the outer container 13. Therefore, when the flange 14f is locked to the upper end surface 13f of the neck portion 13d of the outer container 13, the outer end portion of the upper end surface 13f of the neck portion 13d of the outer container 13 remains without being covered.
  • the annular projection 13g at the upper end of the outer container 13 is provided on an outer portion thereof.
  • annular projection 14g is also formed on the upper end surface 14e of the neck 14d of the inner container 14 to increase the contact pressure with the lid 15 to form a welded portion with the lid 15 during ultrasonic welding.
  • the annular projection 14g is also substantially triangular in cross section, particularly an isosceles triangle or equilateral triangle.
  • a vertical groove 14i communicating with the horizontal groove 14h is formed on the outer peripheral surface of the neck 14d of the inner container 14. The vertical groove 14i extends from the horizontal groove 14h to the upper end of the shoulder 14c, so that the pressurizing agent P can be easily filled into the pressurizing agent storage chamber Sp.
  • the outer container 13 and the inner container 14 are both made of a synthetic resin, particularly made of a thermoplastic resin such as polyethylene terephthalate, polyethylene naphthalate, polyethylene and polypropylene. These can be manufactured, for example, by putting a preform for the inner container into a preform for the outer container, and simultaneously blow-molding the lower side of the lower ends of the necks 13d and 14d. In particular, an injection blow molding method in which a preform having a predetermined shape is injection-molded and then blow-molded is preferable.
  • the lid 15 is composed of a bottomed cylindrical sealing portion 15a inserted into the neck 14d of the inner container 14, and an annular flange 15b connected to the upper end thereof.
  • the upper part of the sealing part 15a is an inner cylindrical part 15a1 which fits with a gap with the inner surface of the neck part 14d of the inner container 14, and the lower part accommodates the valve 12 of the discharge member in a detachable manner, and a sealing material (reference numeral 28 in FIG. 13).
  • the valve housing 15a2 has a smaller diameter than the inner cylinder 15a1.
  • the flange 15b of the lid 15 includes a flat plate portion 17 extending radially outward from the upper end of the sealing portion 15a, and an outer cylindrical portion 17a extending downward from the outer edge of the flat plate portion 17.
  • the lower surface 17b of the flat plate portion 17 is a portion which is in contact with the upper end surface 14e of the neck portion 14d of the inner container 14, in particular, the annular projection 14g to form a welded portion (reference numeral Y1 in FIG. 12B) and to seal the lower surface 17b.
  • the annular projection 13g Is a portion which is in contact with the upper end surface 13f of the neck portion 13d of the outer container 13, in particular, the annular projection 13g to form a welded portion (reference numeral Y2 in FIG. 12B) and seal it.
  • the top surface 17c (the top surface of the flange 15b) of the flat plate portion 17 is a contact surface with a horn that oscillates ultrasonic vibration of the ultrasonic welding machine. Therefore, [the outer diameter of the contact surface with the horn (the top surface 17c of the flat plate portion) ⁇ the outer diameter of the outer cylindrical portion 17a].
  • an annular outer peripheral cutout 17 d is formed on the outer peripheral edge of the flat plate portion 17.
  • the outer peripheral cutout 17d is an annular step having a rectangular cross section.
  • the dimension Nv in the height direction of the outer peripheral cutout portion 17d is about 0.1 to 0.4 times the thickness of the outer cylindrical portion 17a.
  • the horizontal position Nh is located outside the position N1 on the inner surface of the outer cylindrical portion 17a and inside the position N2 slightly outside the annular protrusion 13g of the outer container 13, and is particularly the same as the annular protrusion 13g of the outer container 13. It is preferable that the width is approximately (the width of the base of the substantially triangular annular projection 13g).
  • the inner diameter of the outer cylindrical portion 17a ⁇ the outer diameter of the top surface 17c of the flat plate portion ⁇ the annular projection 13g of the outer container].
  • the outer diameter of the outer cylindrical portion 17a may be substantially the same as the diameter of the outer container 13 (excluding the male screw 13e) or may be slightly smaller.
  • the undiluted solution storage chamber Sc in the inner container 14 is filled with the undiluted solution C
  • the lid 15 is placed over the opening of the container body 16, and the undiluted solution is added to the pressurized agent storage chamber Sp between the outer container 13 and the inner container 14. It is performed while the pressure agent P is filled and the pressurized state is maintained. Since the outer peripheral cutout portion 17d is provided on the lid 15, the horn H comes into contact with the top surface 17c of the flat plate portion 17 and presses downward to apply vibration energy downward from the top surface 17c. It is difficult to spread outward, and vibration energy flowing to the outer peripheral side of the outer cylindrical portion 17a is reduced.
  • the annular projection 13g of the outer container is melted and easily welded, and the resin melted at the welding portion Y2 between the outer container 13 and the lid 15 is reduced, and is welded without being hindered by the solidified welding waste. (See FIG. 12B).
  • the lower surface of the outer cylindrical portion 17a is welded to the upper end surface 15f of the outer container 13 to form the pressurized product 11a.
  • the molten resin does not protrude from the gap between the two.
  • the pressurizing agent P does not leak out of the pressurizing agent storage chamber Sp for a long period of time.
  • the resin that protrudes inward during welding is stored in the inclined portion (inclined groove) 13h, and does not flow into the pressurized agent storage chamber Sp.
  • the lower surface 17b of the flat plate portion 17 is welded to the upper end surface 14e of the neck 14d of the inner container 14.
  • the bottom portion of the sealing portion 15a that is, the bottom portion 15c of the inner cylindrical portion 15a1 is provided with an unsealed portion 15d having a pressure receiving portion 15d1 which is thicker than the surrounding portion. Except for a part (continuous portion) 15d2, the periphery of the unsealed portion 15d is surrounded by a weakening line 15f such as an annular groove.
  • the pressure receiving portion 15d1 is provided on the entire upper surface of the unsealed portion 15d, and the weakening line 15f is formed on the upper surface of the bottom portion 15c so as to surround the periphery of the pressure receiving portion 15d1.
  • the weakening line 15f is formed of, for example, a V groove.
  • a reinforcing portion (reinforcing rib) 15g is provided on the continuous portion 15d2 of the opened portion 15d so as to extend radially outward.
  • the discharge member 12 shown in FIG. 13 is mounted on a cap (mounting portion) 20 which is screwed with the male screw 13 e of the neck 13 d of the outer container 13, a valve 21 held by the cap 20, and a stem 22 of the valve 21.
  • An operation button (operation unit, actuator) 23 is provided.
  • the discharge member 12 is attached to the discharge product 11a in FIG. 2B or the discharge product 31a in FIG. 4B, and is used to discharge the contents.
  • the cap 20 in FIG. 13 has a bottomed cylindrical shape and has an internal thread formed on the inner peripheral surface.
  • a valve holder 18 having a cylindrical valve holding portion 18a for holding an upper portion of the housing 24 of the valve 21 is attached to a lower side of the upper bottom 20a.
  • the valve 21 includes a bottomed cylindrical housing 24, the above-described stem 22 housed therein to be vertically movable, a spring 25 for urging the stem 22 upward, an upper end of the housing 24, and the valve holder 18. And a stem rubber 26 interposed between the rubber pressers 18b. Further, in this embodiment, a substantially cylindrical opening 27 protruding downward is provided at the lower end of the housing 24, and a seal member 28 such as an O-ring is mounted on the outer periphery of the lower portion of the housing 24.
  • the seal member 28 seals the space between the inner peripheral surface of the valve housing portion (fitting tube portion) 15a2 of the lid 15 and the housing 24 at the time of opening and after opening.
  • a deep hole 27b communicating with the inside of the housing 24 is formed.
  • a horizontal hole 27c communicating the inside of the deep hole 27b with the outside is formed.
  • the lateral hole 27c communicates the inside of the housing 24 with the stock solution chamber Sc in the internal container 14 after being opened, and serves as a passage for the stock solution to be discharged. Since the horizontal hole 27c is not closed by the broken opening portion, a stable discharge state is maintained. Instead of the horizontal hole 27c, a vertical hole reaching the bottom surface 27a may be formed at the center of the opening 27. Further, a horizontal hole and a vertical hole may be formed.
  • the position of the bottom surface 27a of the unsealing portion 27 in the height direction is a position where the cap 20 comes into contact with the pressure receiving portion 15d1 (see FIG. 12B) when the cap 20 is screwed about once or twice with the male screw of the external container 13. Therefore, at the time of shipping and distribution, the cap 20 is loosely screwed to break the unsealed portion 15d, and the discharge member 12 and the pressurized container 11 can be temporarily connected in a sealed state. Therefore, the purchased consumer can easily open the cap simply by turning the cap 20 several times and screwing it.
  • the cap 20 When using the ejection device (10 in FIG. 1 or 30 in FIG. 4C) purchased by the user, first, the cap 20 is screwed into the external thread 13e of the outer container. Thereby, the entire cap 20 and the valve 21 are lowered, and the bottom surface 27a of the unsealing portion 27 pushes down the unsealing portion 15d. As a result, the opened portion 15d is broken at the line of weakness 15f, breaks through the bottom 15c of the valve accommodating portion 15a2, and communicates the inside of the housing 24 with the stock solution accommodating chamber Sc. Thereafter, by depressing the operation button 23, the undiluted solution C can be discharged.
  • FIG. 14A shows another embodiment of the pressurized container.
  • the annular outer peripheral cutout portion 130a formed around the top surface 17c of the lid 15 is not rectangular in cross section, but has an inclined surface (substantially conical surface).
  • the upper end of the inclined surface is substantially at the same position as the outside of the annular projection 13g on the upper end surface of the outer container 13 in plan view.
  • the other points are the same as those of the pressurized container 11 of FIG. 12A, and thus the same reference numerals are given and the description is omitted.
  • FIG. 15A shows still another embodiment of the pressurized container.
  • the pressurized container 131 has an annular inner peripheral cutout 133 having a rectangular cross section at the corners of the inner peripheral side recess 132 in addition to the outer peripheral edge of the top surface 17c of the lid 15.
  • an annular convex portion 134 having a rectangular cross section is formed on the top surface of the lid 15.
  • the position of the standing wall 133a of the inner peripheral notch 133 is substantially the same as the inner surface of the neck 14d of the inner container 14 in plan view.
  • the other points are the same as those of the pressurized container 11 of FIG. 2B or the double container 50 of FIG. 4A, and thus the same reference numerals are given and the description is omitted.
  • the outer notch 17d, the inner notch 33, or both may be an annular inclined surface as shown in FIG. 14A.
  • the vibration energy does not spread to the outside or the inside and is transmitted substantially straight downward. Therefore, as shown in FIG. 15B, the resin that has melted at the welding portion Y ⁇ b> 2 between the outer container 13 and the lid 15 is less protruded outside and inside, and can be welded without being disturbed by the solidified welding waste. . Also, the appearance is improved. Further, the vibration energy is less likely to flow from the inner cylindrical portion 15a1 to the bottom portion 15c by the inner peripheral cutout portion 133, thereby preventing the consumer from dissolving the weakening line 15f provided to facilitate opening of the opened portion 15d. be able to.
  • the pressurized container 144 shown in FIG. 16A has a shorter neck portion 13d of the outer container 13 and is provided with an annular locking projection 145 instead of a male screw.
  • annular locking groove 146 is provided.
  • the lower surface 145a of the locking projection 145 is inclined so as to slightly rise outward.
  • Other points are the same as those of the pressurized container of FIG. 12A.
  • the discharge member 147 shown in FIG. 16B is attached to the pressurized container 144 in FIG. 16A.
  • the discharge member 147 shown in FIG. 16B is provided with an annular locking claw 148 that does not have a female screw on the inner surface of the cap 20 and that snap-engages with the locking protrusion 145 on the outer periphery of the neck 13 d of the outer container 13.
  • the upper surface 148a of the locking claw 148 is inclined so as to slightly descend inward so as to correspond to the lower surface 145a of the locking protrusion 145.
  • the inner surface 148b of the locking claw 148 has a tapered surface that expands downward so as to be pressed inward when descending by contacting the upper end of the locking protrusion 145 of the outer container 13. Therefore, when the discharge member 147 is put on the pressurized container 144 and pressed downward, the engaging claw 148 is somewhat elastically expanded, and then returns to engage with the locking projection 145.
  • a plurality of slits may be formed in the engaging claw 148 and a portion slightly above the engaging claw 148, thereby facilitating deformation of the locking claw 148.
  • a small-diameter cylindrical opening 27 is provided at the lower end of the housing 24 of the discharge member 147, and a plurality of reinforcing plates 27d are radially provided between the opening 27 and the lower surface of the housing 24. It is provided in.
  • the number of reinforcing plates 27d is preferably 3 to 5.
  • the reinforcing plate 27d does not reach the lower end of the opening portion 27, the vicinity of the lower end of the opening portion 27 remains cylindrical, and the bottom surface 27a is flat.
  • a passage communicating between the inside of the housing 24 and the stock solution storage chamber Sc in the internal container 14 is a vertical hole 24c vertically penetrating the bottom plate 24b of the housing 24.
  • the vertical holes 24c are formed between adjacent reinforcing plates 27d.
  • the bottom surface 27a of the unsealing portion 27 pushes the pressure receiving portion 15d1 downward as shown in FIG. 16B, and breaks the unsealed portion 15d along the line of weakness 15f. I do.
  • the broken opened part 15d hangs from the bottom part 15c in a state of being connected by the continuous part 15d2.
  • the lower portion of the unsealing portion 27 enters the hole after the unsealing portion 15d has come out, but since the diameter of the unsealing portion 27 is smaller than that of the unsealing portion 15d, a gap is provided between the unsealing portion 27 and the hole. And the undiluted solution C can pass through. Further, even if the opening portion 27 enters the hole from which the opened portion 27d has been broken, the plurality of reinforcing plates 27d prevents the passage of the undiluted solution from being blocked.
  • the discharge device 10 shown on the left side of FIG. 17 includes a double pressurized container 11, a discharge member 12, and a stock solution (contents) C and a pressurizing agent P filled in the double pressurized container 11.
  • a pressurized product 11a is a double pressurized container 11 filled with a stock solution C and a pressurizing agent P.
  • the pressurized product 11a and the discharge member 12 are sold as a set before assembly (see FIG. 16) or in a half-assembled unopened state (see FIG. 19).
  • the pressurized product 11a is sold together with the discharge member 12, and is also sold alone for replacement.
  • the ejection member 12 may be sold alone.
  • the double pressurized container 11 includes an outer container 13, a flexible inner container 14 housed therein, a lid (sealing board) 15 for sealing the outer container 13 and the inner container 14, Consists of There are no valves or pumps.
  • the combination of the outer container 13 and the inner container 14 is a container body 16 (see FIG. 6A).
  • the inside of the inner container 14 is a stock solution storage chamber Sc for filling the stock solution C, and the space between the outer container 13 and the inner container 14 is a pressurized agent housing chamber Sp for filling the pressurized agent P. They are sealed by the lid 15.
  • the stock solution C and the propellant P are separately stored in the double pressurized container 11, and only the stock solution C is discharged.
  • the pressurizing agent P such as a compressed gas
  • the pressurizing agent P and the undiluted solution C may be mixed and filled in the container body 16 without using the internal container 14. In that case, the mixture becomes the content.
  • the stock solution CA filled in the inner container 14 is different from the stock solution C of the discharge device 10 on the left side.
  • the inner container 14 of the discharge device 10 on the left side is filled with a stock solution C for a human body such as a hair care product
  • the inner container 14 of the discharge device 10A on the right side is filled with a stock solution CA for a non-human body such as an insecticide.
  • the neck portion 13d of the outer container 13 is thicker than the left discharge device 10
  • the diameter D2 of the male screw 13e is larger than the diameter D1 of the male screw 13e of the left discharge device 10.
  • the diameter of the female screw 20d of the cap 20 of the right discharge device 10A is also larger than the diameter of the female screw 20d of the cap 20 of the left discharge device 10.
  • the discharge device system 1 is configured by combining the left discharge device 10 group and the right discharge device 10A group. Since the left and right discharge devices 10 and 10A are substantially the same except for the above-described differences, the left discharge device 10 will be basically described below.
  • the outer container 13 includes a bottom 13a, a cylindrical body 13b, a shoulder 13c, and a cylindrical neck 13d.
  • An external thread 13e is formed on the outer periphery of the neck 13d.
  • an identification ring 13d2 having a predetermined color for identifying the type of the undiluted solution C is attached to a lower portion of the neck 13d.
  • the identification ring 13d2 is in a form that can be used as a support portion for suspending a container in a filling step or the like.
  • the identification ring 13d2 and the cap 20 have the same color, and have different colors that are easy to identify in different groups. For example, the discharge device 10 on the left side is blue, and the discharge device 10A on the right side is yellow, so that the user can be urged to combine with the discharge member used for discharging the same undiluted solution, thereby preventing erroneous use.
  • the inner container 14 also includes a bottom 14a, a body 14b, a shoulder 14c, and a neck 14d, like the outer container 13.
  • the outer surface of the neck 14d of the inner container 14 has a slight gap with the inner surface of the neck 13d of the outer container 13.
  • the inner surface of the neck 14d of the inner container 14 is a smooth cylindrical surface.
  • a flange 14f is provided at the upper end of the inner container 14, and the flange 14f is engaged with the upper end of the neck 13d of the outer container 13 (see FIG. 18C).
  • the outer container 13 and the inner container 14 are both made of a synthetic resin, particularly made of a thermoplastic resin such as polyethylene terephthalate, polyethylene naphthalate, polyethylene and polypropylene.
  • a synthetic resin particularly made of a thermoplastic resin such as polyethylene terephthalate, polyethylene naphthalate, polyethylene and polypropylene.
  • a preform for an inner container is put into a preform for an outer container which has been injection-molded, and the lower sides of the lower ends of the necks 13d and 14d are simultaneously blow-molded.
  • the lid 15 has a bottomed cylindrical sealing portion 15a inserted into the neck 14d of the inner container 14, and a continuous annular flange 15b at its upper end (see FIG. 18C).
  • the lower part of the sealing part 15a is a fitting cylindrical part 15a2 having a smaller diameter than the upper part, and the upper part and the lower part are continuous with a substantially horizontal step part 15a7.
  • the inner diameter of the sealing portion 15a and the depth up to the step portion (connection portion) 15a7 are set to accommodate the valve holding portion 18a when the discharge member 12 is mounted on the pressurized product 11a.
  • an unsealed portion 15d which is thinner than the periphery or surrounded by a weakened line (see reference numeral 15f in FIG. 3) is provided.
  • the discharge member 12 is held by the cap (mounting portion) 20 which is screwed with the male screw 13 e of the neck 13 d of the outer container 13, a valve holder 18 attached to the lower surface of the upper bottom 20 a of the cap 20, and the valve holder 18. And a valve 21.
  • the discharge member 12 includes a member that operates a valve such as a push button (23 in FIG. 25) attached to the stem 22 of the valve 21 or a lever-type operation member 240 in FIG.
  • a female screw 20d to be screwed with the male screw 13e of the outer container 13 is formed on the inner peripheral surface of the outer cylindrical portion 20b of the cap 20, a female screw 20d to be screwed with the male screw 13e of the outer container 13 is formed.
  • An opening 20c is formed in the center of the upper bottom 20a, through the stem 22, and through the base of the operating member.
  • the valve holder 18 has a disc-like shape attached to the lower surface side of the cap 20, and has a cylindrical valve holding portion 18 a for holding an upper portion of a housing 24 of the valve 21, an annular rubber retainer 18 b extending inside the cylindrical valve holding portion 18 a. It has.
  • the valve 21 has a bottomed cylindrical housing 24, the above-described stem 22 housed therein so as to be vertically movable, and a spring 25 for urging the stem 22 upward.
  • a stem rubber 26 interposed between the upper end of the housing 24 and the rubber retainer 18b of the valve holder 18.
  • a substantially cylindrical opening 27 protruding downward is provided at the lower end of the housing 24, and a seal member 28 such as an O-ring is mounted on the outer periphery of the lower portion of the housing 24.
  • the lower end 27a of the opening portion 27 has a truncated cone shape so that the opening portion 15d of the lid 15 can be broken.
  • the length up to the lower end of the unsealing portion 27 is set to such a length as to break the unsealing portion 15d when the cap 20 is screwed into the external thread 13e of the external container 13.
  • the seal member 28 seals the space between the inner peripheral surface of the fitting cylindrical portion 15a2 of the lid 15 and the housing 24 at the time of opening and after opening.
  • a communication hole 27b communicating with the inside of the housing 24 is formed at the center of the opening portion 27.
  • the position of the lower end 27a of the unsealing portion 27 in the height direction is preferably a position where the cap 20 comes into contact with the unsealing portion 15d when the cap 20 is screwed once or twice with the male screw of the external container 13 (FIG. 19). reference).
  • the discharge member 12 and the double pressurized container 11 can be connected in a sealed state without loosely screwing the cap 20 to break the opened portion 15d.
  • the cap 20 is attached to the external container 13 at the time of distribution and sale, and the double pressurized container 11 and the discharge member 12 are loosely screwed and temporarily connected. In this state, the seal member 28 is in close contact with the inner surface of the fitting tubular portion 15a2. The consumer can easily open the cap by simply turning the cap 20 several times and screwing it.
  • the cap 20 When using the ejection device 10 purchased by the user, first, the cap 20 is screwed into the external thread 13e of the external container. As a result, the cap 20 and the valve 21 are lowered, the lower end 27a of the unsealing portion 27 pierces the unsealed portion 15d, and the inside of the housing 24 and the undiluted solution accommodating chamber Sc in the internal container 14 communicate (see FIG. 18A). ). At that time, since the boosting action is provided by the screw mechanism, the user can easily open the package.
  • the cap 20 When the stock solution C in the inner container 14 is exhausted, the cap 20 is rotated in a loosening direction to remove the discharge member 12 from the outer container 13. The removed ejection member 12 is attached to a new pressurized product 11a. At this time, since the female screw 20d of the cap 20 of the discharge member 12 and the male screw 13e of the external container 13 are screwed together, the screw can be tightened to the end, and the discharge member 12 is added while opening the unsealed portion 15d. It can be attached to the pressed product 11a (see FIG. 18A). The same applies to the ejection device 10A on the right side in FIG. 17 (see FIG. 18B).
  • the discharge member 12 can be removed and replaced with a new pressurized product 11a.
  • the other ejection product 10A for example, if the ejection member 12A used for spraying the insecticide is attached to the pressurized product 11a of the hair care product, there is a risk of harm to health.
  • different types of stock solutions may mix to produce unexpected chemical reactions. Such a problem can be prevented by preventing the ejection member 12 of a specific group from being attached to the pressurized product 11a of another group.
  • the color of the identification ring 13d2 and the color of the cap 20 are associated with each other as described above. Therefore, the user can check and attach the ejection members 12, 12A corresponding to the pressurized products 11a, 11aA.
  • the user may erroneously try to attach the discharge member 12A of the right discharge device 10A (for non-human body) to the pressurized product 11a of the left discharge device 10 (for example, for human body).
  • the cap 20A cannot rotate and screw together (see FIG. 18C). Therefore, opening of the lid 15 and erroneous ejection of the undiluted solution CA are prevented.
  • the user finds that the cap 20A cannot be screwed on the user becomes aware of the mistake.
  • the user may be able to press the cap 20A straight against the mouth of the pressurized product.
  • the discharge member 12A used for discharging the non-human body stock solution is erroneously attached to the pressurized product 11a filled with the human body stock solution C.
  • the inner diameter of the female screw 20d of the cap 20 (the inner diameter of the screw bottom) is the male screw 13e. Since the outer diameter of the cap 20 is smaller than that of the male screw 13e, the cap 20 cannot be put around the male screw 13e (see FIG. 18D). Therefore, it is possible to prevent the use of the ejection member 12 used for the human body by mistake for the pressurized product 11aA filled with the non-human body stock solution.
  • the pressurized products 10 and 10A in FIG. 17 allow the correctness of the combination to be recognized based on the diameters of the internal threads 20d of the caps 20 and 20A and the external threads 13e of the container body 13, and allow the mounting only when the combination is correct.
  • Parts that do not include a screw portion for example, parts such as the inner container 14, the lid 15, and the valve 21 can be shared, and a mass production effect is expected.
  • the male screw portion is manufactured as a separate part and attached to the original male screw, the external container 13 can be shared.
  • the discharge devices 10 and 10A are distinguished by the diameter of the male screw 15e and the female screw 20d. It can also be identified by a screw or a left-handed screw.
  • the discharge device system 1 of FIG. 17 employs two types of discharge devices 10 and 10A, three or more types can be used by combining a plurality of misuse prevention means.
  • FIGS. 19 and 20A to 20D In the discharge device system 1 described above, the wrong mounting of the discharge members 12 and 12A to the pressurized product 11a is prevented, but in the discharge device 30 of FIG. 19, the axial movement of the discharge member 12 is prevented. By doing so, erroneous mounting is prevented.
  • the discharge device 30 in FIG. 19 is substantially the same as the discharge device 10 in FIG. 17 except that the cap 20 also serves as a valve holder (see reference numeral 18 in FIG. 17), the unsealing portion 27 of the discharge member 12 and the lid 15. Are different in the shape of the unsealed portion 15d. That is, in the discharge device 30 of FIG. 19, the upper bottom 20a of the cap 20 and the valve holding portion 18a are integrally formed, and the stem rubber 26 is pressed against the upper end of the housing 24 on the lower surface of the upper bottom 20a, and the valve holder is omitted. are doing.
  • the unsealing portion 27 has a cylindrical shape, and the lower end 27a is flat.
  • a deep hole 27c communicating with the inside of the housing 24 and not penetrating to the lower end is formed in the opening portion 27.
  • the deep hole 27c communicates with the inside of the fitting cylindrical portion 15a2 by a lateral hole 27d opened on the side surface of the unsealing portion 27.
  • the opened portion 15d is provided with a columnar pressure receiving portion 15d1 surrounded by a weakening line 15f such as a V-shaped groove, and a reinforcing portion extending in the radial direction between the pressure receiving portion 15d1 and the inner surface of the fitting cylindrical portion 15a2. 15 g of reinforcing ribs are formed.
  • the weakening line 15f is interrupted in the range of the reinforcing portion 15g.
  • the length of the valve holding portion 18a of the cap 20 is longer than the corresponding length in the ejection device 30 of FIG. 20A.
  • the depth to the step 15a2 of the sealing portion 15a of the lid 15 is made larger than the depth of the discharge device 30 in FIG. 20A so that the valve holding portion 18a can be accommodated.
  • the length of the unsealing portion 27 is longer than the length of the unsealing portion 27 of the ejection device 30 in FIG. 20A.
  • the female screw 20d of the cap 20 and the male screw 13e of the container body 16 have the same screw standard.
  • the discharge member 12A of the discharge device 30A of FIG. 20B can be attached to the pressurized product 11a of the discharge device 30 of FIG. 20A.
  • the valve holding portion 18a contacts the step portion 15a2 as shown in FIG. 20C, and cannot be lowered any further.
  • the lower end 27a of the unsealing portion 27 does not reach the pressure receiving portion 15d1 and cannot be opened. Therefore, misuse is prevented.
  • the discharge device system 2 in FIG. 21 identifies whether or not the combination is correct based on the inner diameter of the sealing portion 15a of the lid 15 of the pressurized product 11a and the outer diameter of the valve holding portion 18a of the cap 20, and makes a mistake. In this case, the fitting of the ejection member 12 is prevented. Further, whether the combination is correct or not is identified based on the inner diameter of the fitting cylindrical portion 15a2 of the lid 15 and the outer diameter of a portion of the housing 24 of the valve 21 above the seal member 28. Prevents axial fit.
  • the discharge member 12A on the left side of FIG. 21 is originally combined with the pressurized product 11aA on the right side, and the outer diameter of the valve holding portion 18a of the valve holder 18 is smaller than the inner diameter of the sealing portion 15a of the lid 15 of the pressurized product 11a. Is the wrong combination. Therefore, the cap 20 cannot be attached to the pressurized product 11a.
  • the outer diameter of the valve holding portion 18a of the right discharge member 12, which should be originally combined with the left pressurized product 11a is smaller than the inner diameter of the sealing portion 15a of the lid 15 of the pressurized product 11aA. Therefore, the valve holding part 18a can be inserted into the sealing part 15a.
  • the outer diameter of a portion of the housing 24 above the seal member 28 is larger than the inner diameter of the fitting cylindrical portion 15a2 of the lid 15. Therefore, in the combination on the right side, the ejection member 12 cannot be mounted on the pressurized product 11aA.
  • the insertion of the ejection member 12 is prevented when the risk is high, for example, when the insecticide may be used for the human body, and when the risk is low, the insertion is permitted. Thereby, the identification mechanism can be simplified.
  • a discharge device 230 shown in FIG. 22 is obtained by attaching an operation member 245 having a lever-type operation portion 244 to the discharge device 10 of FIG.
  • the operation member 245 supports the operation portion 244 and has a cup-shaped cap holding portion 241 fitted around the cap 20 and extends downward from the peripheral wall of the cap holding portion 241. And a support wall 243 extending upward from the cap holding portion 241.
  • a rear end of an operation portion (operation lever) 244 is rotatably connected to an upper rear end of the support wall 243 via a hinge or a pin.
  • the injection nozzle 246 is attached to the upper part of the operation unit 244.
  • the injection nozzle 246 is attached to the front end of the L-shaped passage member 247, and the lower end of the passage member 247 is fitted to the stem 22.
  • the discharge device 230 rotates the operation portion 244 downward about the rear end thereof, and the discharge device 230 passes through the passage member 237.
  • the valve 21 can be opened to discharge. Dispensing stops when operation is stopped.
  • Such a lever-operated ejection device 230 is mainly used for spatial spraying of insecticides and deodorant fragrances. Therefore, they are used separately from those used for the human body.
  • the mounting prevention means the outer diameter of the outer container 13 and the inner diameter of the cap 20 do not match, the color of the cap 20 does not match the color of the identification ring 13d2, the difference in the standard of the screw portion such as the male screw 13e and the female screw 20d, the valve.
  • Means mainly based on control in the radial direction such as differences in fitting dimensions such as the outer diameter of the holding portion 18a and the housing 24 and the inner diameter of the sealing portion 15, are employed.
  • means based on control in the axial direction such as the depth relationship between the depth of the step portion 15a7, the length of the valve holding portion 18a, and the length of the opening portion 27, is used as the opening prevention means.
  • other means such as the length of the cap 20 and the presence or absence of the support ring 13d1 and the identification ring 13d2 can be adopted.
  • the lid 15 shown in FIG. 23B includes a bottomed cylindrical sealing portion 15a inserted into the neck 14d of the inner container 14 and an annular flange 15b connected to the upper end thereof, as described above.
  • the lower part of the sealing part 15a is a fitting cylindrical part 15a2 having a smaller diameter than the upper part.
  • a closing portion (unopened portion) 15d having a pressure receiving portion 15d1 which is made thicker than its surroundings.
  • the closing portion 15d is usually circular in plan view. However, other shapes such as a rectangle can be adopted.
  • the lid 15 is characterized in that a projection 15e1 is provided on the lower surface side of the closing portion 15d.
  • the periphery of the closing portion 15d is surrounded by a thin portion (breaking portion, weakened line) 15f, such as an annular groove, which is easily broken.
  • the pressure receiving portion 15d1 is provided on substantially the entire upper surface of the closing portion 15d, and the thin portion 15f is formed on the upper surface of the bottom portion 15c. Note that the thin portion 15f may be formed on the lower surface.
  • the thin portion 15f is formed of, for example, a V groove.
  • the thin portion 15f is continuous, but may be discontinuous if breakable.
  • the projection 15e1 provided on the lower surface of the closing portion 15d has a rod shape, in particular, a columnar shape in this embodiment, and has a sharp point 15e2 for piercing the inner container 14 at the lower end thereof.
  • the entirety of the protrusion 15e1 and the sharp point 15e2 can be regarded as a sharp point.
  • the sharp point 15e2 pierces the inner container 14 when the stock solution is discharged and the inner container 14 is largely contracted, This allows the pressurizing agent to be released (see FIG. 25).
  • the sharp point 15e2 has a conical shape or the like.
  • the diameter of the protrusion 15e1 is substantially the same as the diameter of the lower end of the thin portion 15f, for example, 1 to 10 mm, and the length is about 2 to 10 mm.
  • the height of the sharp point 15e2 is preferably about 1 to 5 mm.
  • the cross-sectional shape of the protrusion 15e1 may be a circle, a cross, a star, or the like in order to save material, in addition to a circle.
  • the sealing portion 15a and the closing portion 15d may be partially hardened depending on the temperature conditions at the time of molding and the like, to suppress stretching at the time of opening, and to make it easier to break.
  • the cap 20 When using the ejection device 10 purchased by the user, first, the cap 20 is screwed into the external thread 13e of the external container. Thereby, the entire cap 20 and the valve 21 are lowered, and the bottom surface 27a of the unsealing portion 27 pushes down the closing portion 15d. As a result, the thin portion 15f is broken, and the closing portion 15d is torn off from the fitting cylindrical portion 15a2 of the housing 24, separated from the housing 24 and dropped off. Then, the unsealing portion 27 pierces the bottom portion 15c of the fitting cylindrical portion 15a2, and connects the inside of the housing 24 with the stock solution storage chamber Sc in the internal container 14 (see FIG. 24B). The falling off portion 15d falls into the bottom of the inner container 14 (see FIG. 25).
  • the cap 20 is screwed to the external container 13, the amount of drop of the valve 21 with respect to the operation amount of the cap 20 is small. Therefore, the bottom surface 27a of the unsealing portion 27 gradually presses the pressure receiving portion 15d1 of the closing portion 15d. Since the lid 15 is made of synthetic resin, the closing portion 15d is easily stretched and hardly broken due to its extensibility when gradually pressed. However, in this embodiment, since the closing portion 15d is surrounded by the annular thin portion 15f and the pressure receiving portion 15d1 protrudes, the stress concentration on the thin portion 15f increases, and it is possible to break smoothly.
  • the contour of the protruding portion 15e1 is almost the same as that of the thin portion 15f, the unsealing portion 15d is not easily bent, and the breakage is further smooth. Further, since the bottom surface 27a of the unsealing portion 27 is flat, it is not easily deformed by the unsealing operation, and the ejection member can be used repeatedly.
  • the closing portion 15a has a thick and substantially circular pressure receiving portion 15d1 provided on the center axis of the lid 15 and is in contact with the circular bottom surface 27a of the unsealing portion 27.
  • the closing portion 15a When pressed, the closing portion 15a is pushed straight in and breaks along the thin portion 15f, and the broken closing portion 15d falls off and falls to the bottom of the inner container 14.
  • the pressure receiving portion 15d1 or the bottom surface 27a of the unsealing portion 27 may be inclined so that the thin portion 15f is sequentially broken from one side to the other.
  • the undiluted solution C may leak from a gap between the inner periphery of the bottom portion 15c and the outer periphery of the opening portion 27.
  • the seal member 28 since the space between the fitting tubular portion 15a2 and the housing 24 is sealed by the seal member 28, the stock solution C remains in the fitting tubular portion 15a2 and does not leak to the outside.
  • the reaction force at the time of breaking and the internal pressure after the breaking act to push up the housing 24.
  • the cap 20 and the outer container 13 are screwed together, and the upper bottom 20a of the cap 20 and the valve holder 18 are doubled. , The ejection member 12 is prevented from jumping out. In addition, deformation of the upper bottom 20a of the cap 20 is suppressed.
  • the stem 22 descends, the stem rubber 26 bends, and the stem hole is opened. Since the stock solution C in the stock solution storage chamber Sc is pressurized by the pressurizing agent P via the internal container 14, the stock solution C is discharged to the outside via the opening portion 27, the housing 24, the stem 22, and the operation button 23. When the finger is released from the operation button 23, the stem 22 is raised, and the discharge is stopped. Since the pressurized agent storage chamber Sp filled with the pressurized agent P is closed by the lid 15 and is not communicated with the outside or the undiluted solution storage room Sc, the pressurized agent P leaks out by the discharging operation. There is no.
  • the inner container 14 contracts. After the entire amount is discharged, as shown by the imaginary line in FIG. 25, the walls of the inner container 14 are in close contact with each other and become flat. Since the above-mentioned closing portion 15d falls into the bottom of the inner container 14, particularly the annular concave portion 14a1 projecting downward, and the rod-shaped projecting portion 15e1 is lying, the sharp point 15e2 of the closing portion 15d becomes the bottom of the inner container 14.
  • the pressurizing agent P breaks through the body 14 a or the body 14 b and enters the inner container 14. Therefore, the pressurizing agent P can be discharged through the valve 21 simply by pressing the operation button 23.
  • the inner container 14 to be blow-molded forms the dome portion 14a2
  • the thickness of the hollow portion 14a1 around the inner container 14 is thin. Therefore, the concave portion 14a1 is easily penetrated by the sharp point 15e2.
  • the discharge device 30 of FIG. 26A includes a double pressurized container 31 substantially similar to the double pressurized container 11 of FIG. 24A, and a valve 21 substantially the same as the valve 21 of FIG. 24A except for a reinforcing plate 27d. I have.
  • this double pressurized container 31 the entire bottom 15c of the fitting cylindrical portion 15a2 of the sealing portion 15a is a hemispherical protrusion 232 projecting downward, and the root of the protrusion 232 is closed as it is. (Opened part).
  • An annular thin portion 15f is formed at the boundary between the fitting cylindrical portion 15a2 and the outer peripheral surface of the closing portion. Further, a sharp point 15e2 penetrating through the inner container 14 protrudes from the lower center of the protruding portion 232. Also in this embodiment, the thin portion 15f is a weak line having a V-shaped cross section.
  • the reinforcing plate 27d of the unsealing portion 27 provided at the lower portion of the housing 24 has a rectangular shape, and does not have a triangular shape tapering downward as shown in FIG. 24A. After the rupture at the thin portion 15f, a large opening is opened downward, so that it is not necessary to make the opening thinner. It is possible to push the pressure receiving portion 15d1 more reliably by making the lower end of the reinforcing plate 27d larger. Other points are the same as those of the ejection member 12 of FIG. 23A.
  • a discharge device 230 to which a lever-type operation member 240 for operating the stem 22 is attached may be used.
  • the operation member 240 includes a cup-shaped cap holder 241 fitted around the cap 20, a cover 242 that extends downward from a peripheral wall of the cap holder 241, and covers a shoulder of the container body 16. And a support wall 243 extending upward from the holding portion 241.
  • the rear end of the operation lever 244 is rotatably connected to the upper rear end of the support wall 243 via a hinge or a pin.
  • the injection nozzle 246 is attached to the upper part of the operation lever 244.
  • the injection nozzle 246 is attached to the front end of the L-shaped passage member 247, and the lower end of the passage member 247 is fitted to the stem 22.
  • the discharge device 230 when the user grips the cover portion 242 or the container body 16 and pulls the operation lever 244, the operation lever 244 is pivoted downward about the rear end, and the passage member 247 is used.
  • the valve 21 can be opened to discharge. Dispensing stops when operation is stopped.
  • Such a lever-operated operating member 240 is mainly used for space spraying such as insecticides and deodorant fragrances.
  • the double pressurized container 251 of the discharge device 250 shown in FIGS. 28 and 29 is provided with a protective portion 253 surrounding a sharp point 15e2 in a closed portion (opened portion) 252, and the outer container 13 and the inner container 14. 1A except that a bottomed cylindrical base cup 254 is attached to the outer container 13 so that the bottom portions 13a and 14a of the outer container 13 are hemispherical protruding downward.
  • the entire bottom portion 15 c of the fitting tube portion 15 a 2 of the sealing portion 15 a is a cylindrical closing portion 252, and a thin portion is provided at the boundary between the fitting tube portion 15 a 2 and the outer peripheral surface of the closing portion 252. (Fracture portion) 15f is formed.
  • a conical or needle-like sharp point 15e2 protrudes from the lower center of the closing portion 252.
  • a thin cylindrical protective portion 253 is provided around the lower end of the closing portion 252 so as to surround the sharp point 15e2.
  • the protection portion 253 is divided into a plurality of protection pieces 253b by a plurality of cuts 253a, and is easily bent.
  • the bottom portions 13a, 14a of the outer container 13 and the inner container 14 are hemispherical, and the pressure resistance of the container is increased, so that the whole can be made thinner and the sharp point 15e2 facilitates perforation.
  • the broken closed portion 252 is disposed on the hemispherical bottom portion 14a of the inner container 14. And since the sharp part 15e2 is surrounded by the protection part 253, even if the closing part 252 falls into the internal container 14, the sharp part 15e2 does not touch the internal container 14. Then, when most of the undiluted solution is discharged, the hemispherical bottom portion 14a of the inner container 14 contracts so as to be inverted, and the protective piece 253b is bent. At this time, the sharp point 15e2 penetrates the inner container 14 for the first time. Therefore, the pressurizing agent is not discharged while the stock solution remains. Further, since the sharp point 15e2 is surrounded by the protection portion 253, injury to the operator during manufacturing is suppressed.
  • the discharge device 10 includes a double pressurized container 11, a discharge member 12, and a stock solution (contents) C and a pressurizing agent P filled in the double pressurized container 11.
  • a pressurized product 11a is a double pressurized container 11 filled with a stock solution C and a pressurizing agent P.
  • the pressurized product 11a and the discharge member 12 are sold as a set before assembly (see FIG. 1A) or in a half-assembled unopened state (see FIG. 24A).
  • the pressurized product 11a is sold together with the discharge member 12, and is also sold alone for replacement.
  • the ejection member 12 may be sold alone.
  • the double pressurized container 11 includes an outer container 13, a flexible inner container 14 housed therein, and a lid (sealer, plug) for sealing the outer container 13 and the inner container 14. 15 There are no valves or pumps. However, a valve or a pump may be attached to the container body 16.
  • the combination of the outer container 13 and the inner container 14 is a container body 16 (see FIG. 1B).
  • the inside of the inner container 14 is a stock solution storage chamber Sc for filling the stock solution C
  • the space between the outer container 13 and the inner container 14 is a pressurized agent housing chamber Sp for filling the pressurized agent P. They are sealed by the lid 15. That is, the double pressurized container 11 stores the undiluted solution C and the pressurized propellant P separately so that only the undiluted solution C can be discharged, thereby preventing leakage of the pressurized agent P such as compressed gas. it can.
  • the outer container 13 includes a bottom portion 13a, a cylindrical body portion 13b, a shoulder portion 13c, and a cylindrical neck portion 13d.
  • An external thread 13e is formed on the outer periphery of the neck 13d.
  • the upper end surface 13f of the neck 13d is substantially flat so that the lid 15 can be fixed.
  • the bottom portion 13a of the outer container 13 includes an annular ground surface 13a1 protruding downward, and a dome portion 13a2 protruding upward provided at the center thereof.
  • the grounding surface 13a1 since the grounding surface 13a1 is provided, it can be stably mounted on a flat table or the like. However, it may be a spherical bottom surface.
  • the central portion of the dome portion 13a2 is a joining portion 13a3 in which the lower surface (outer surface side) is concave and the upper surface (inner surface side) protrudes.
  • the inner container 14 also includes a bottom portion 14a, a body portion 14b, a shoulder portion 14c, and a neck portion 14d.
  • An annular concave portion 14a1 projecting downward and a dome portion 14a2 projecting upward provided at the center thereof are also formed on the bottom portion 14a of the inner container 14.
  • the central portion of the dome portion 14a2 is a joint portion 14a3 in which the lower surface (outer surface side) is concave and the upper surface (inner surface side) protrudes.
  • the joint 14a3 of the inner container 14 is thermally welded to the joint 13a3 of the outer container 13 described above.
  • the outer surface of the neck 14d of the inner container 14 has a slight gap with the inner surface of the neck 13d of the outer container 13.
  • the inner surface of the neck 14d of the inner container 14 is a smooth cylindrical surface.
  • the bottom 14a of the inner container 14 is in contact with the bottom 13a of the outer container 13, and is supported so that the inner container 14 does not lower when filling with a pressurizing agent or fixing the lid 15.
  • the bottom 13a of the outer container 13 and the bottom 14a of the inner container 14 are in contact but not joined except for the joints 13a3 and 14a3.
  • the outer container 13 and the inner container 14 are both made of a thermoplastic resin such as polyethylene terephthalate, polyethylene naphthalate, polyethylene, and polypropylene. These can be manufactured, for example, by putting a preform for the inner container into a preform for the outer container, and simultaneously blow-molding the lower side of the lower ends of the necks 13d and 14d. In particular, an injection blow molding method in which a preform having a predetermined shape is injection-molded and then blow-molded is preferable.
  • the bottom 13a of the outer container 13 is lifted up by a dome forming die 62 provided at the center of the lower die 61 so as to be vertically movable, so that the annular recess of the inner container 14 is formed.
  • the portion 14a1 can be stretched and thinned. This makes it easier to crush and dispose.
  • the dome forming die 62 may be integral with the lower die 61.
  • the central portion of the bottom portion 13a is pushed up with a bar (reference numeral 60 in FIG. 33), and the outer surface side (bottom side) is dented.
  • the joining parts 13a3 and 14a3 are formed (see FIG. 33).
  • the periphery (the rising portion 13a4 in FIGS. 32A and 33) of the joining portion 13a3 of the outer container 13 becomes thinner, and is easily broken.
  • the joints 13a3 and 14a3 can also be configured by bonding with an adhesive.
  • the cap 20 of FIG. 11A is screwed into the external thread 13e of the external container.
  • the entire cap 20 and the valve 21 are lowered, and the bottom surface 27a of the unsealing portion 27 pushes down the closing portion (unsealing portion) 15d.
  • the thin portion 15f is broken, and the closing portion 15d is torn off from the fitting cylindrical portion 15a2 of the housing 24, and is connected to the housing 24 at a part (the reinforcing portion 15g) and hangs or is separated and falls off.
  • the unsealing portion 27 breaks through the bottom portion 15c of the fitting tube portion 15a2, and connects the inside of the housing 24 with the stock solution storage chamber Sc in the internal container 14 (see FIG. 11B).
  • the falling off part 15 d falls into the bottom of the inner container 14.
  • the opened portion 15d is opened as described above. Therefore, when the user presses the operation button 23 attached to the stem 22, the stem 22 descends, the stem rubber 26 bends, and the stem hole is opened. Since the undiluted solution C in the undiluted solution storage chamber Sc is pressurized by the pressurizing agent P via the internal container 14, it is discharged to the outside via the opening portion 27, the housing 24, the stem 22, and the operation button 23 in FIG. Is done. When the finger is released from the operation button 23, the stem 22 is raised, and the discharge is stopped. Since the pressurized agent storage chamber Sp filled with the pressurized agent P is closed by the lid 15 and is not communicated with the outside or the undiluted solution storage room Sc, the pressurized agent P leaks out by the discharging operation. There is no.
  • the joining portions 13a3 and 14a3 formed by being pushed up by the rod 60 or the like have a small thickness at the surrounding rising portions 13a4. Therefore, when the inner container 14 contracts, the periphery of the joint 13a3 of the outer container 13 is easily broken.
  • the pressurizing agent P can be discharged via the valve 21 by pressing the operation button 23. With the pressurizing agent P discharged from the container body 16 as described above, the cap 20 is turned and the ejection member 12 is removed. Then, the removed discharge member 12 is attached to a new pressurized product 11a.
  • the empty double pressurized container 11 can be safely recycled as a synthetic resin.
  • the double pressurized container 11 of the present invention breaks the outer container 13 by utilizing the deformation of the inner container 14 and discharges the pressurizing agent P as shown in FIGS. 32A and 32B.
  • No spikes (see 15e in FIG. 2C) to pierce the container are required. Therefore, there is no danger of injuries to workers and users. In addition, since no additional parts are required, it can be realized at low cost.
  • a thin portion such as a V-groove may be provided around the joint 13a3 so that the periphery of the joint 13a3 is easily broken.
  • a thin portion can be formed by providing an annular edge at the upper end of the bar 60 in FIG.
  • the joints 13a3 and 14a3 may be bonded by an adhesive in addition to the thermal bonding.
  • a joining part can also be formed in another site
  • the container body 16 is sealed by the lid 15 to form a double pressurized container without a valve.
  • the present invention provides a double pressurized container in which the container body 16 is sealed by the valve 21 (discharge container). Device).
  • the air nozzle 317 is inserted into the inside of the double container body 16 formed by blow molding from the double preform as described above, and the inside is cleaned by air blowing (air blowing step S1).
  • the body 13b of the outer container 13 is sandwiched and clamped from both sides by the clamp member 318, and the external force of the compression is transmitted to the inner container 14 to shrink the internal volume of the double container body 16 (shrinking step S2).
  • the compression is performed so that a head space is not generated in the internal container 14 when the undiluted solution C is filled, that is, the volume is reduced by an amount corresponding to the head space.
  • the stock solution C is filled into the inner container 14 while maintaining the compressed state (stock solution filling step S3).
  • the amount of the undiluted solution C is preferably such that when the lid 15 is attached, the bottom of the lid 15 is in contact with the undiluted solution C and no void remains. Thereby, when the lid 15 is welded, the unsealed portion 15d is cooled by the stock solution C and does not melt. In addition, the discharge becomes smooth by leaving or reducing the gap.
  • skin products such as facial cleanser, detergent, bath additive, moisturizer, cleansing agent, sunscreen, lotion, shaving agent, freshener, antiperspirant, disinfectant, disinfectant, pest repellent, etc.
  • treatment Personal care products such as hair products such as agents, styling agents, hair dyes, food products such as whipped cream and olive oil, deodorants, fragrances, insecticides, insect repellents, pollen removers, herbicides, liquid fertilizers, etc. Household goods. However, it is not limited to these uses.
  • the lid 15 is hermetically mounted on the mouth 14f2 of the inner container 14 while maintaining the pressurized state, and the inner container 14 is sealed (lid mounting step S4).
  • the clamp member 318 is opened, and the compression of the outer container 13 is released.
  • outside air enters between the outer container 13 and the inner container 14, and the outer container 13 elastically returns to its original shape (a contraction external force releasing step S5).
  • the inner container 14 is filled with the undiluted solution C and sealed with the lid 15, even if the compressive force (external force for contracting) by the clamp member 318 is released, the inner container 14 does not return to the original shape and remains in the contracted state. It is. Therefore, the outer container 13 and the inner container 14 blow-molded from the double preform are separated smoothly, and the pressurized agent storage chamber Sp is formed therebetween.
  • the pressurizing agent filling device 320 includes a cylindrical filling tool 323 having an opening at the bottom, and a horn H for ultrasonic welding, which is closed in an upper opening of the filling tool 323 and is provided in the filling tool 323 so as to be movable up and down. .
  • the pressurized-agent filling device 320 further includes a mechanism for causing the filling tool 323 and the outer container 13 to approach each other in the axial direction and press each other.
  • a pressing mechanism is constituted by a mechanism for elevating the filling tool 323 or an elevating mechanism 327L for elevating the tray 327 supporting the external container 13.
  • the ultrasonic welding machine 319 includes an elevating mechanism 328 for elevating and lowering the horn H described above.
  • An annular seal member 329 that allows sliding is interposed between the elevating mechanism 328 and the filler 323.
  • the pressurizing agent P When filling the pressurizing agent P, first, the filling tool 323 and the external container 13 are approached to each other, and the space between the filling tool 323 and the external container 13 is sealed by the sealing material 325 below the filling tool 323. Next, the pressurizing agent P is supplied from the pressurizing agent supply pipe 326 to the filler 323.
  • the gap between the opening 13g1 of the outer container 13 and the opening 14f2 of the inner container 14 is provided between the upper end of the neck 13d of the outer container 13 and the flange 15b of the lid 15, and further, the neck 13d of the outer container 13 and the inner container
  • the pressurizing agent P is filled into the pressurizing agent storage chamber Sp under the cup through a passage passing between the necks 14d of the pressurizing agent 14 (pressurizing agent filling step S6).
  • the pressurizing agent P a compressed gas such as nitrogen gas, compressed air, carbon dioxide gas, nitrous oxide gas or the like is preferable.
  • the pressure inside the double pressurized container is increased by 0.1 to 0.5 MPa (25 ° C., gauge pressure) by the pressurizing agent, and especially 0.3 to 0.5 MPa (25 ° C., gauge pressure) equivalent to that of carbonated beverages.
  • the capacity of the outer container 13 is preferably 30 to 500 ml.
  • the capacity of the stock solution storage chamber Sc is preferably about 20 to 300 ml.
  • the capacity of the pressurized agent storage chamber Sp is preferably about 10 to 200 ml.
  • the horn 324 is lowered while maintaining the seal by the sealant 325, and the ultrasonic vibration is transmitted to the horn 324 in a state where the lid 15 is pressed downward.
  • the flange 15b of the lid 15 and the upper end surface 13f of the neck 13d of the outer container 13 and the upper end surface 14e of the neck 14d of the inner container 14 are ultrasonically welded (welding step S7). Thereby, a double pressurized product 10 is obtained.
  • the pressure measuring device 330 includes a grip 331 for pressing the body 13b of the outer container 13, a load meter 332 for detecting a pressing force by the grip, and a sensor for detecting a deformation amount of the body 13b. The internal pressure is measured based on the calibration curve of the volume.
  • the inside of the double container body 16 is cleaned by air blowing (air blowing step S1).
  • the stock solution C is filled into the inner container 14 (stock solution filling step S11).
  • the body 13b of the outer container 13 is sandwiched and compressed by the clamp members 318 from both sides, and the volume of the inner container 14 is contracted (contraction step S12).
  • the compression is performed so that the head space Hs in the inner container 14 is eliminated, that is, the volume corresponding to the head space is reduced.
  • the lid 15 is hermetically mounted on the mouth of the inner container 14 while maintaining the pressurized state as shown in FIG. Then, the clamp member 318 is opened, and a contraction external force releasing step S5 for releasing the compression of the external container 13 is performed. Further, a pressurizing agent filling step S6 for underfilling the pressurizing agent P into the pressurizing agent storage chamber Sp, a welding step S7 for fixing the lid 15 to the outer container 13 and the inner container 14 by ultrasonic welding, and a pressure measuring step S8. In that order.
  • the inner container 14 filled with the undiluted solution C and contracted is closed with a lid, and then the outer container 13 and the inner container 14 are smoothly separated to release the force for pinching the outer container 13. be able to.
  • FIG. 37A shows a state in which the lid 15 is put on the container body 16.
  • a horn 324 for ultrasonic welding is in contact with the top surface 17c of the lid 15.
  • the lid 15 has not been welded yet.
  • the undiluted solution storage chamber Sc is filled with the undiluted solution C, but the pressurized agent storage chamber Sp is not filled with the pressurized agent P.
  • a welding portion (FIG. 37B) for increasing the contact pressure with the lid 15 to facilitate melting by ultrasonic welding and to integrate with the lid 15 13g is formed.
  • the annular projection 13g is substantially triangular in cross section, particularly an isosceles triangle or equilateral triangle.
  • the annular projection 13g is provided substantially at the center of the range of the thickness of the neck 13d.
  • An annular protrusion may be provided on the lid 15 side, and the upper end surface 13f of the neck portion 13d may be flat.
  • a plurality of inclined portions 13h are provided on the inner side of the upper end face 13f, and a space for accommodating a resin piece (welding waste) formed by cooling the resin melted during ultrasonic welding so as not to protrude.
  • the upper portion of the neck portion 14d of the inner container 14 protrudes from the upper end surface 13f of the outer container 13, and the protruding portion is formed with a flange 14f that engages with the upper end surface 13f of the outer container 13. ing.
  • the thickness (dimension in the radial direction) of the flange 14f is about 1 / to ⁇ of the thickness of the neck 13d of the outer container 13. Therefore, when the flange 14f is locked to the upper end surface 13f of the neck portion 13d of the outer container 13, the outer end portion of the upper end surface 13f of the neck portion 13d of the outer container 13 remains without being covered.
  • the annular projection 13g at the upper end of the outer container 13 is provided on an outer portion thereof.
  • annular projection 14g for increasing the contact pressure with the lid 15 during ultrasonic welding to form a welded portion with the lid 15 (Y1 in FIG. 37B) also on the upper end surface 14e of the neck 14d of the inner container 14. 14 g are formed.
  • the annular projection 14g is also substantially triangular in cross section, particularly an isosceles triangle or equilateral triangle.
  • a vertical groove 14i communicating with the horizontal groove 14h is formed on the outer peripheral surface of the neck 14d of the inner container 14. The vertical groove 14i extends from the horizontal groove 14h to the upper end of the shoulder 14c, so that the pressurizing agent P can be easily filled into the pressurizing agent storage chamber Sp.
  • the outer container 13 and the inner container 14 are both made of a synthetic resin, particularly made of a thermoplastic resin such as polyethylene terephthalate, polyethylene naphthalate, polyethylene and polypropylene.
  • the inner container 14 preferably has gas permeability that allows the pressurizing agent P and the gas G in the inner container 14 to pass through. These can be manufactured, for example, by putting a preform for the inner container into a preform for the outer container, and simultaneously blow-molding the lower side of the lower ends of the necks 13d and 14d.
  • an injection blow molding method in which a preform having a predetermined shape is injection-molded and then blow-molded is preferable.
  • the lid 15 is composed of a bottomed cylindrical sealing portion 15a inserted into the neck 14d of the inner container 14, and an annular flange 15b connected to the upper end thereof.
  • the upper portion of the sealing portion 15a is an inner cylindrical portion 15a1 that fits with a gap with the inner surface of the neck portion 14d of the inner container 14, and the lower portion accommodates the valve 21 of the discharge member 12 in a detachable manner, and a sealing material (reference numeral in FIG. 1).
  • 28) is a valve accommodating portion (fitting cylindrical portion) 15a2 fitted through the fitting.
  • the valve housing 15a2 has a smaller diameter than the inner cylinder 15a1.
  • the flange 15b of the lid 15 includes a flat plate portion 17 extending radially outward from the upper end of the sealing portion 15a, and an outer cylindrical portion 17a extending downward from the outer edge of the flat plate portion 17.
  • the lower surface 17b of the flat plate portion 17 is a portion which is in contact with the upper end surface 14e of the neck portion 14d of the inner container 14, in particular, the annular projection 14g to form a welded portion (reference numeral Y1 in FIG. 37B) and to seal the lower surface 17a1 of the outer cylindrical portion 17a.
  • the welding portion Y1 of the inner container 14 seals between the stock solution storage chamber Sc and the pressurized agent storage chamber Sp.
  • the welded portion Y2 of the outer container 13 seals between the pressurized agent storage portion Sp and the outside.
  • the top surface 17c (the top surface of the flange 15b) of the flat plate portion 17 is a contact surface with a horn H that oscillates ultrasonic vibration of the ultrasonic welding machine.
  • the horn H has a columnar shape, and its lower surface H1 is flat.
  • the ultrasonic welding of the lid 15 is performed by filling the undiluted solution storage chamber Sc in the inner container 14 with the undiluted solution C, covering the opening of the container body 16 with the lid 15, and then incorporating a horn H for welding. This can be done by a filling device (see 330 in FIG. 38). The ultrasonic welding is performed after the pressurizing agent P is filled in the pressurizing agent storage chamber Sp between the outer container 13 and the inner container 14 in FIG.
  • the lower surface 17a1 of the outer cylindrical portion 17a is welded to the upper end surface 13f of the outer container 13, and the lower surface 17b of the flat plate portion 17 is welded to the upper end surface 14e of the inner container 14. It becomes the compact 11a.
  • the molten resin does not protrude from the gap between the two.
  • the pressurizing agent P does not leak out of the pressurizing agent storage chamber Sp for a long time, and the undiluted solution C is undiluted in the undiluted solution storage room Sc. Does not leak from The resin that protrudes inward during welding is stored in the inclined portion (inclined groove) 13h, and does not flow into the pressurized agent storage chamber Sp.
  • the replacement gas R When replacing the gas G (in particular, the gas in the head space Hs to be described later) G in the internal container 14 with another gas, a gas that satisfies the following relationship with the stock solution C is selected as the replacement gas R. It is preferable that the solubility in 1 ml of the stock solution at 25 ° C. and 1 atm is higher than that of air, for example, 0.02 ml or more, particularly 0.05 ml or more. If the solubility is high, the replacement gas R, which is the gas G in the internal container 14, is quickly dissolved in the stock solution C and the gas phase is easily lost, so that the pressure of the pressurized product 11a can be stabilized in a short time.
  • the replacement gas R may be a soluble compressed gas (carbon dioxide, nitrous oxide) or a soluble compressed gas and a low soluble gas (compressed air, oxygen, nitrogen). , Hydrogen), which has a dissolved amount of 0.02 ml, preferably 0.05 ml or more per 1 ml of the stock solution at 25 ° C. and 1 atm.
  • Examples of the stock solution C containing 70% by mass or more of water include lotion, shaving (foam, gel, post-foaming gel, cream), hand cream, hand soap, body soap, face wash, shampoo, hair treatment, and hair Personal items such as colors and infusions, miscellaneous goods such as pollen anti-adhesives for clothing and masks, indoor deodorants and fragrances, pollen removers, contact lens cleaners, bath additives, horticultural fertilizers, horticultural pests Examples include household products such as pesticides, seasonings, dietary supplements, beverages, and foods such as whipped cream. However, it is not limited to these uses.
  • the replacement gas R may be a compressed gas such as carbon dioxide, nitrous oxide, oxygen, nitrogen, hydrogen, liquefied petroleum gas, dimethyl ether, or hydrofluoroolefin.
  • Liquefied gas, such as liquefied gas, and a mixed gas thereof are used so that the amount dissolved in 1 ml of the undiluted solution at 25 ° C. and 1 atm is 0.02 ml or more, preferably 0.05 ml or more.
  • the stock solution C contains 20% by mass or more of alcohol or oil
  • the dissolved amount of air in 1 ml of the stock solution at 25 ° C. and 1 atm is 0.02 ml or more (0.05 ml or more). Therefore, it is not always necessary to replace the air in the head space Hs with another gas.
  • Stock solutions containing 20% by mass or more of alcohol include, for example, hair sprays, sunscreens, antiperspirants, coolants, hand sanitizers, insect repellents, and other human body products, indoor deodorants and fragrances, sterilization and disinfection Household products such as agents, and batteries for fuel cells and the like. However, it is not limited to these uses.
  • Stock solutions containing 20% by mass or more of oil include, for example, cleansing, sunscreen and other human body products, household and industrial products such as lubricants, olive oil, soybean oil, corn oil, safflower oil, sunflower oil, sesame oil, Edible oils such as rice bran oil. However, it is not limited to these uses.
  • the stock solution C is brought into contact with the inner surface side of the opened portion 15d. Therefore, when the lid 15 and the container body 16 are welded, the unsealed portion 15d is cooled by the undiluted solution C, and the problem that the unsealed portion 15d is melted by heat can be solved.
  • the pressurizing agent P a low-solubility compressed gas, such as nitrogen, compressed air, oxygen, or hydrogen, having a lower solubility than the gas G (substitution gas R) in the inner container 14 is preferable.
  • the pressure in the pressurized container 11 is set to 0.2 to 0.6 MPa (25 ° C., gauge pressure) by the pressurizing agent P, and particularly to 0.3 to 0.5 MPa (25 ° C., gauge Pressure).
  • the pressurizing agent P may be a soluble compressed gas such as carbon dioxide or nitrous oxide, or a low soluble soluble gas. It is preferable to use a mixed gas of a reactive gas (compressed air, oxygen, nitrogen, and hydrogen) and having a higher solubility than the gas G in the inner container 14, particularly air. More specifically, a solution having a solubility of 0.02 ml or more, preferably 0.05 ml or more, at 1 ° C. at 25 ° C. and 1 atm is used. Further, the pressurizing agent P is filled so that the pressure in the saturated solution state becomes 0.2 to 0.6 MPa (25 ° C., gauge pressure).
  • the capacity of the outer container 13 is preferably 30 to 500 ml.
  • the capacity of the inner container (stock solution storage chamber Sc) 14 is preferably about 20 to 300 ml.
  • the capacity of the pressurized agent storage chamber Sp is preferably about 10 to 200 ml.
  • the pressurizing agent filling device 320 of FIG. 38 includes a base 321, a tray (elevating platform) 327 provided on the base 321, a cylindrical filler 323 disposed above the elevating platform 327, and the filler A horn H for ultrasonic welding is provided so as to be capable of moving up and down in the filling tool 323 by closing an upper opening of the H.323.
  • the filler 323 is supported by two columns 325 rising from the base 321 so as to be adjustable in height.
  • a sealing material 325 is provided at the lower end of the filling tool 323, and airtightly contacts the shoulder 13 c of the outer container 13.
  • the horn H is attached to the ultrasonic oscillator via a lifting mechanism provided with a drive source such as a fluid cylinder or a motor.
  • the receiving tray 327 is also supported by a lifting device 327L so that the height can be adjusted.
  • the center part Hm of the horn H is adjusted to the inner diameter of the filler 323 so that the horn H can slide up and down while sealing the interior of the filler 323 as described above.
  • the horn H is reduced in diameter from the upper Hu to the middle Hm and further reduced from the middle Hm to the lower Hb so that the vibration energy can be amplified downward from the ultrasonic oscillator. Therefore, the lower end vicinity 328 has the smallest diameter.
  • the manufacturing method of the pressurized product 11a shown in FIG. 39 includes a stock solution filling step S1, a replacement step S2 in which the gas G in the inner container 14 is replaced with the replacement gas R, and a lid for attaching the lid 15 to confine the replacement gas R.
  • a body mounting step S3, a pressurizing agent filling / lid welding step S4, and an inner container shrinking step S5 are provided.
  • a container body 16 in which an inner container 14 is mounted on an outer container 13 is prepared.
  • the double container body 16 can be manufactured by double blow molding or the like.
  • a space (head space) Hs in which the stock solution C is not filled is left above the inner container 14.
  • the cover 15 is held in a state where gas can enter and exit the stock solution storage chamber Sc, and a replacement gas having high solubility in the stock solution C is provided through a gap between the opening of the inner container 14 and the cover 15.
  • R is filled, the air in the head space Hs in the inner container 14 is discharged to the outside, and the gas G in the inner container 14 is replaced with the replacement gas R (replacement step).
  • the lid 15 is put on the opening of the container body 16 and the replaced gas is confined in the head space Hs.
  • the gas By using a gas whose density (molecular weight) is larger than that of air, the gas can be easily confined in the head space Hs.
  • the pressurizing agent filling / cover 15 for filling the pressurizing agent storage chamber Sp between the inner container 14 and the outer container 13 with the pressurizing agent P is opened by the opening of the inner container 14 and the outer container.
  • a lid welding step S4 for welding and fixing the openings 13 is performed.
  • the pressurizing agent storage chamber Sp is filled with the pressurizing agent P through the gap between the lid 15 and the external container 13 (under-cup filling).
  • the lid 15 is welded and sealed to the outer container 13 and the inner container 14.
  • the pressurizing agent filling device 320 shown in FIG. 38 can be used, and the welding method shown in FIG. 37A can be adopted. This makes it difficult for welding debris to come out to the outside, increases the adhesion between the lid 15 and the external container 13, increases leakage, and provides a pressurized product 11a with excellent appearance.
  • the pressurizing agent P When the pressurizing agent P has higher solubility in the stock solution C than the air in the head space Hs, the pressurizing agent P easily permeates through the internal container 14 and dissolves in the stock solution C. Not required.
  • the headspace Hs may also be filled with the pressurizing agent P. That is, even in this step, the air in the head space Hs and the pressurizing agent P can be exchanged (substitution step S4a).
  • the replacement gas R is the pressurizing agent P
  • the gas G in the internal container 14 is the pressurizing agent P.
  • the undiluted solution C filled in the undiluted solution C is filled with the undiluted solution C heated in the undiluted solution filling step S1, or the undiluted liquid C is filled after the inner container 14 is thermally shrunk by blowing hot air on the inner container 14 before the undiluted solution filling step S1. You can also. Further, the air in the inner container 14 may be vacuumed to contract the inner container 14, and the pressurizing agent storage chamber Sp between the outer container 13 and the inner container 14 may be filled with a pressurizing agent or compressed air to fill the inner space.
  • the container 14 may be externally pressurized and contracted.
  • the inner container 14 and the outer container 13 are manufactured by double blow molding or the like, the inner container 14 and the outer container 13 are in close contact with each other, and the pressurized-agent storage chamber Sp is small and difficult to fill.
  • the internal container 14 is contracted to form the pressurizing agent storage chamber Sp, so that the pressurizing agent P can be easily filled. Further, the internal container 14 is easily contracted due to dissolution of gas described later.
  • the gas G in the head space Hs is compressed because the pressure in the container body 16 is increased, and is further dissolved in the stock solution C.
  • the pressurizing agent P in the pressurizing agent storage chamber Sp penetrates into the inner container 14 and dissolves in the undiluted solution C, so that the air (gas) G in the head space Hs that has not been completely dissolved flows out of the inner container 14. Extruded, the gas phase becomes smaller or disappears. Therefore, the inner container 14 contracts gradually. This is the inner container shrinking step S5.
  • the gas G in the internal container 14 can be dissolved in the stock solution C or can be pushed out of the internal container 14, so that the gas G in the internal container 14 The formation of the gas phase can be suppressed.
  • the lid 15 is ultrasonically welded, if the undiluted solution C is present near the welded portion, the undiluted solution C may be atomized by ultrasonic vibration to hinder the dissolution of the welded portion, and the welding may be insufficient.
  • Both the outer container and the inner container used a pressurized container 11 made of polyethylene terephthalate (full filling amount of the outer container: 210 ml), and 120 g of water as a stock solution C was filled in the inner container.
  • the air in the head space Hs in the inner container was replaced with carbon dioxide gas (solubility in water: 0.76 (25 ° C., 1 atm)), and a lid made of polyethylene terephthalate was covered.
  • nitrogen as a pressurizing agent P is filled into the pressurizing agent storage chamber Sp from between the outer container and the lid, and the lid is superposed on the container body. It was fixed by sonic welding.
  • the pressure immediately after production was 0.5 MPa. Thereafter, when stored in a constant temperature room at 25 ° C., one day later, the internal container shrunk and the gas phase almost disappeared.
  • Example 3 A pressurized container 11 made of polyethylene terephthalate (full volume of the external container: 210 ml) was used for both the outer container and the inner container, and 100 g of ethanol as a stock solution C was filled in the inner container. Next, a lid made of polyethylene terephthalate was put on the container body. Further, nitrogen (solubility in ethanol: 0.14 (25 ° C., 1 atm)) as a pressurizing agent P is filled into the pressurizing agent storage chamber Sp from between the outer container and the lid, and the lid is superposed on the container body. It was fixed by sonic welding. The gas G in the head space Hs in the inner container is air. The pressure immediately after production was 0.5 MPa. Thereafter, when stored in a constant temperature room at 25 ° C., one day later, the internal container shrunk and the gas phase almost disappeared. Therefore, in the third embodiment, the replacement steps S2 and S4a are unnecessary.
  • Example 4 A pressurized container 11 made of polyethylene terephthalate (full volume of the external container: 210 ml) was used for both the outer container and the inner container, and 100 g of olive oil was filled as the stock solution C in the inner container. Next, a lid made of polyethylene terephthalate was put on the container body. Furthermore, carbon dioxide gas (solubility in olive oil: 1.1 (25 ° C., 1 atm)) is filled as a pressurizing agent P into the pressurizing agent storage chamber Sp from between the outer container and the lid, and the lid is placed in the container body. Was fixed by ultrasonic welding. The gas G in the head space Hs in the inner container is air. The pressure immediately after production was 0.5 MPa. Thereafter, when stored in a constant temperature room at 25 ° C., one day later, the internal container shrunk and the gas phase almost disappeared. Therefore, in the fourth embodiment, the replacement steps S2 and S4a are unnecessary.
  • the pressurized product 11a may be manufactured not in the atmosphere but in an atmosphere having a higher solubility in a stock solution than air such as carbon dioxide. In this case, the replacement steps S2 and S4a are unnecessary.
  • the above-mentioned method for producing a pressurized product can be applied to a method for producing a gas-containing food. That is, in the undiluted solution filling step S1 in FIG. 39, a food, particularly a liquid food or beverage is filled as the undiluted solution C, and in the pressurizing agent filling step, a gas for dissolving the food is adopted as the pressurizing agent P, thereby increasing the pressure. A gas-containing food can be obtained as the product 11a.
  • a gas-containing food and a method for producing the same will be described with reference to FIGS.
  • the gas-containing food 11a is set as a set before assembly with the discharge member 12, or the discharge member 12 is somewhat screwed into the upper end of the gas-containing food 11a, and is unopened. Sold in a semi-coupled state.
  • the gas-containing food 11a is sold together with the ejection member 12, and is also sold alone for replacement. In this case, the discharge member 12 is used repeatedly, which contributes to resource saving.
  • the ejection member 12 may also be sold alone.
  • the pressurized container 11 used for the gas-containing food 11a includes an outer container 13, a flexible inner container 14 housed therein, and a lid for sealing the outer container 13 and the inner container 14. (Enclosed disc) 15. There are no valves or pumps.
  • the outer container 13, the inner container 14, and the lid 15 are made of the same material. Therefore, the pressurized container 11 is made of a single material.
  • the combination of the outer container 13 and the inner container 14 is a container body 16.
  • the inside of the inner container 14 is a stock solution storage chamber Sc for filling the stock solution C
  • the space between the outer container 13 and the inner container 14 is a pressurized agent housing chamber Sp for filling the pressurized agent P (see FIG. 37A). . They are sealed by the lid 15.
  • FIG. 37A pressurized agent housing chamber
  • FIG. 4A shows a container body in which neither the stock solution C nor the pressurizing agent P is filled and the lid is not welded.
  • the undiluted solution C and the pressurizing agent P are separately stored in the internal container 14, and the undiluted solution C can be discharged by attaching the discharge member 12.
  • the outer container 13 and the inner container 14 are both made of a synthetic resin, particularly made of a thermoplastic resin such as polyethylene terephthalate, polyethylene naphthalate, polyethylene and polypropylene. These can be manufactured, for example, by putting a preform for the inner container into a preform for the outer container, and simultaneously blow-molding the lower side of the lower ends of the necks 13d and 14d. In particular, an injection blow molding method in which a preform having a predetermined shape is injection-molded and then blow-molded is preferable.
  • the pressurizing agent P is easily transmitted through the inner container 14 by reducing the thickness of the body 14b to 0.05 to 0.3 mm by blow molding.
  • the outer container 13 has a strength that does not significantly deform even under pressure immediately after filling (the state before the pressurizing agent P is dissolved in the stock solution C). can get.
  • the thickness of the body 13b of the outer container 13 be larger than the thickness of the body 14b of the inner container 14.
  • the lid 15 includes, for example, a bottomed cylindrical sealing portion 15a inserted into the neck portion 14d of the inner container 14 shown in FIG. 5, and an annular flange 15b connected to the upper end thereof.
  • the upper part of the sealing part 15a is an inner cylindrical part 15a1 that fits with a gap with the inner surface of the neck part 14d of the inner container 14, and the lower part accommodates the valve 21 of the discharge member 12 in a detachable manner, and is made of a sealing material (reference numeral in FIG. 1A).
  • 28) is a valve accommodating portion (fitting cylindrical portion) 15a2 fitted through the fitting.
  • the valve housing 15a2 has a smaller diameter than the inner cylinder 15a1.
  • the flange 15b of the lid 15 includes a flat plate portion 17 extending radially outward from the upper end of the sealing portion 15a, and an outer cylindrical portion 17a extending downward from the outer edge of the flat plate portion 17.
  • the lower surface 17b of the flat plate portion 17 is a portion which is in contact with the upper end surface 14e of the neck portion 14d of the inner container 14, in particular, the annular projection 14g to form a welded portion (reference numeral Y1 in FIG. 37B) and to seal the lower surface 17a1 of the outer cylindrical portion 17a.
  • the welding portion Y1 of the inner container 14 seals between the stock solution storage chamber Sc and the pressurized agent storage chamber Sp.
  • the welded portion Y2 of the outer container 13 seals between the pressurized agent storage portion Sp and the outside.
  • the top surface 17c (the top surface of the flange 15b) of the flat plate portion 17 is a contact surface with a horn H that oscillates ultrasonic vibration of the ultrasonic welding machine.
  • Horn H has a columnar shape, and lower surface H1 is flat.
  • the diameter D of the lower surface H1 is equal to the diameter of the annular projection 13g.
  • the ultrasonic welding of the lid 15 is performed by filling the undiluted solution storage chamber Sc in the inner container 14 with the undiluted solution C, covering the opening of the container body 16 with the lid 15, and then incorporating a horn H for welding. This can be done by a filling device (see 320 in FIG. 39).
  • the ultrasonic welding is performed after the pressurizing agent P is filled in the pressurizing agent storage chamber Sp between the outer container 13 and the inner container 14 in FIGS. 1A and 2A with an under cup.
  • the lower surface 17a1 of the outer cylindrical portion 17a is welded to the upper end surface 13f of the outer container 13, and the lower surface 17b of the flat plate portion 17 is welded to the upper end surface 14e of the inner container 14.
  • the pressurizing agent P penetrates through the inner container 14 and dissolves in the undiluted solution C to form the gas-containing food 11a.
  • it may be stored (refrigerated) for 3 hours or more in an atmosphere of 5 ° C. (refrigerator, warehouse, transport container, etc.). However, it is not always necessary to refrigerate.
  • the molten resin does not protrude from the gap between the two.
  • the pressurizing agent P does not leak out of the pressurizing agent storage chamber Sp for a long time, and the undiluted solution C is undiluted in the undiluted solution storage room Sc. Does not leak from The resin that protrudes inward during welding is stored in the inclined portion (inclined groove) 13h, and does not flow into the pressurized agent storage chamber Sp.
  • the lid 15 is made of a thermoplastic resin having a high thermal bonding property with the outer container 13 and the inner container 14, and is made of the same material as the outer container 13 and the inner container 14.
  • the contents (stock solution C, addition solution) are sealed by sealing the stock solution storage chamber Sc and the pressurized-agent storage chamber Sp with both the inner container 14 and the outer container 13.
  • the pressure agent P) can be stored safely for a long time so as not to leak. Since the pressurized container after discharging the undiluted solution is a single material, it is easy to recycle.
  • a gas that satisfies the following relationship with the stock solution C is selected as the replacement gas R.
  • a gas that satisfies the following relationship with the stock solution C is selected as the replacement gas R.
  • One having a solubility in 1 ml of the stock solution at 25 ° C. and 1 atm higher than that of air for example, a soluble compressed gas (carbon dioxide, nitrous oxide) or a soluble compressed gas and a low soluble gas (compressed air, oxygen, nitrogen, hydrogen)
  • the mixed gas of (2) is mentioned, and it is preferable that the mixed gas be 0.02 ml or more, particularly 0.05 ml or more.
  • the replacement gas R which is the gas G in the internal container 14 is quickly dissolved in the undiluted solution C and the gas phase portion is easily lost, so that the pressure of the gas-containing food 11a can be stabilized in a short time.
  • Stock solution C includes liquid, jelly-like, gel-like foods such as soft drinks, alcoholic beverages, desserts, seasonings, dietary supplements, whipped creams and the like. However, it is not limited to these uses. Air or gas may be dissolved in the stock solution C in advance. However, the dissolved amount of the gas is 0.05 or less. If the amount of gas dissolved exceeds 0.05, a large amount of gas will escape during ultrasonic welding, which will hinder ultrasonic welding. The dissolved amount of gas is the volume (ml) of gas dissolved per 1 ml of the stock solution.
  • the stock solution C is brought into contact with the inner surface side of the opened portion 15d. Therefore, when the lid 15 and the container body 16 are welded, the unsealed portion 15d is cooled by the undiluted solution C, and the problem that the unsealed portion 15d is melted by heat can be solved.
  • a soluble compressed gas such as carbon dioxide (0.76) and nitrous oxide (0.059), or a soluble compressed gas and a low soluble gas (air (0.017), oxygen (0 .028), nitrogen (0.014), and hydrogen (0.018)), and it is preferable to use a gas G in the inner container 14, particularly one having a higher solubility than air.
  • the values in parentheses indicate the solubility in water at 25 ° C. More specifically, a solution having a solubility of 0.02 ml or more, preferably 0.05 ml or more, at 1 ° C. at 25 ° C. and 1 atm is used.
  • the pressurizing agent P has a pressure of 0.2 to 0.6 MPa (25 ° C., gauge pressure) in a saturated dissolving state, preferably 0.3 to 0.5 MPa (25 ° C., gauge Pressure).
  • the capacity of the outer container 13 is preferably 30 to 500 ml.
  • the capacity of the inner container (stock solution storage chamber Sc) 14 is preferably about 20 to 300 ml.
  • the capacity of the pressurized agent storage chamber Sp is preferably about 10 to 200 ml.
  • the gas-containing food 11a using the pressurized container 11 has a small number of parts and is not provided with a valve, so that it can be manufactured at low cost, and the pressurized container 11 can be made of a single material. Easy to recycle. Also, when the consumer carries or distributes the product, even if the outer container 13 is cracked, the undiluted solution C in the inner container 14 does not leak because only the pressurizing agent P leaks. Is safe. In addition, when the consumer carries the product after cooling it in the refrigerator at home, the space between the outer container 13 and the inner container 14 serves as a cooling agent and the outside air temperature is hardly transmitted to the food C. It can be taken in a fresh state.
  • the cap 20 When using the ejection device 10 purchased by the user, first, the cap 20 is screwed into the external thread 13 e of the outer container 13. Thereby, the entire cap 20 and the valve 21 are lowered, and the bottom surface 27a of the unsealing portion 27 pushes down the unsealing portion 15d. As a result, the opened portion 15d is broken at the line of weakness 15f, breaks through the bottom 15c of the valve accommodating portion 15a2, and communicates the inside of the housing 24 with the stock solution accommodating chamber Sc. Thereafter, by depressing the operation button 23, the undiluted solution C can be discharged by the pressure of the pressurizing agent P.
  • the cap 20 When the stock solution C is exhausted, the cap 20 is turned in the reverse direction to remove the discharge member 12 from the gas-containing food 11a. Since the pressurized container 11 in which the undiluted solution C is empty is composed of a single material, it can be easily recycled. In addition, since the inner container 13 is thin, the pressurizing agent P is easily transmitted due to the disappearance of the stock solution C, and the pressurizing agent P is gradually discharged to the outside from the opened portion 15d which has been opened. Furthermore, the discharge member 12 can be used hygienically and repeatedly by exchanging the valve 21 and the operation button 23 that come into contact with the undiluted solution C.
  • the manufacturing method of the gas-containing food (pressurized product) 11a shown in FIG. 39 includes a stock solution filling step S1, a replacement step S2 in which the gas G in the inner container 14 is replaced with the replacement gas R, and a replacement with the lid 15 attached.
  • a lid mounting step S3 for confining the gas R, a pressurizing agent filling / lid welding step S4, and an inner container shrinking step S5 are provided.
  • the replacement step S2 does not necessarily need to be performed.
  • a container body 16 in which an inner container 14 is mounted on an outer container 13 is prepared.
  • the double container body 16 can be manufactured by double blow molding or the like.
  • a stock solution (gas undissolved food) C in which the gas is not intentionally dissolved is filled into the inner container 14.
  • the undiluted solution C may be depressurized in advance to deaerate the saturated dissolved air to reduce the amount of the dissolved solution. Further, it is preferable that the stock solution C is cooled to 5 ° C. or less in advance.
  • a space (head space) Hs in which the stock solution C is not filled is left above the internal container 14.
  • the cover 15 is held in a state where gas can enter and exit the stock solution storage chamber Sc, and a replacement gas having high solubility in the stock solution C is provided through a gap between the opening of the inner container 14 and the cover 15.
  • R is filled, the air in the head space Hs in the inner container 14 is discharged to the outside, and the gas G in the inner container 14 is replaced with the replacement gas R (replacement step).
  • the lid 15 is put on the opening of the container body 16 and the replaced gas is confined in the head space Hs.
  • the gas By using a gas whose density (molecular weight) is larger than that of air, the gas can be easily confined in the head space Hs.
  • the pressurizing agent filling / cover 15 for filling the pressurizing agent storage chamber Sp between the inner container 14 and the outer container 13 with the pressurizing agent P is opened by the opening of the inner container 14 and the outer container.
  • a lid welding step S4 for welding and fixing the openings 13 is performed.
  • the pressurizing agent storage chamber Sp is filled with the pressurizing agent P through the gap between the lid 15 and the external container 13 (under-cup filling).
  • the lid 15 is welded and sealed to the outer container 13 and the inner container 14.
  • the pressurizing agent filling device 320 shown in FIG. 4 can be used, and the welding method shown in FIG. 2A can be adopted. This makes it difficult for welding debris to come out, increases the adhesion between the lid 15 and the external container 13, reduces leakage, and provides the gas-containing food 11 a with excellent appearance.
  • the pressurizing agent P When the pressurizing agent P has higher solubility in the stock solution C than the air in the head space Hs, the pressurizing agent P easily permeates through the internal container 14 and dissolves in the stock solution C. Not required.
  • the headspace Hs may also be filled with the pressurizing agent P. That is, even in this step, the air in the head space Hs and the pressurizing agent P can be exchanged (substitution step S4a).
  • the replacement gas R is the pressurizing agent P
  • the gas G in the internal container 14 is the pressurizing agent P.
  • the undiluted solution C filled in the undiluted solution C is filled with the undiluted solution C heated in the undiluted solution filling step S1, or the undiluted liquid C is filled after the inner container 14 is thermally shrunk by blowing hot air on the inner container 14 before the undiluted solution filling step S1. You can also. Further, the air in the inner container 14 may be vacuumed to contract the inner container 14, and the pressurizing agent storage chamber Sp between the outer container 13 and the inner container 14 may be filled with a pressurizing agent or compressed air to fill the inner space.
  • the container 14 may be externally pressurized and contracted.
  • the inner container 14 and the outer container 13 are manufactured by double blow molding or the like, the inner container 14 and the outer container 13 are in close contact with each other, and the pressurized-agent storage chamber Sp is small and difficult to fill.
  • the internal container 14 is contracted to form the pressurizing agent storage chamber Sp, so that the pressurizing agent P can be easily filled. Further, the internal container 14 is easily contracted due to dissolution of gas described later.
  • the gas G in the head space Hs is compressed because the pressure in the container body 16 is increased, and is further dissolved in the stock solution C.
  • the pressurizing agent P in the pressurizing agent storage chamber Sp penetrates into the internal container 14 and dissolves in the undiluted solution C, so that the air (gas) G in the head space Hs that has not been completely dissolved flows out of the internal container 14. Extruded, the gas phase becomes smaller or disappears. Therefore, the inner container 14 contracts gradually.
  • This internal container shrinking step S5 is preferably performed in a refrigerated state.
  • the gas G in the internal container 14 can be dissolved in the stock solution C or pushed out of the internal container 14, so that the gas G in the internal container 14 The formation of the gas phase can be suppressed.
  • the lid 15 is ultrasonically welded, if the undiluted solution C is present near the welded portion, the undiluted solution C may be atomized by ultrasonic vibration to hinder the dissolution of the welded portion, and the welding may be insufficient.
  • carbon dioxide can be dissolved in the stock solution C, and foods containing carbon dioxide (carbonated water, carbonated beverages, etc.) can be manufactured.
  • a pressurized container 11 made of polyethylene terephthalate (full filling amount of the outer container: 250 ml) is used, and is adjusted to 25 ° C. as a stock solution C in the inner container. Amount of 0.017) was filled in 150 g.
  • a lid made of polyethylene terephthalate was put on the container body.
  • carbon dioxide gas (solubility in water: 0.76 (25 ° C., 1 atm)) is filled as a pressurizing agent P into the pressurizing agent storage chamber Sp from between the outer container and the lid, and the lid is placed in the container body. It was fixed by ultrasonic welding.
  • the gas G in the head space Hs in the inner container is air.
  • the pressure immediately after production was 0.55 MPa. Thereafter, when stored in a refrigerator at 5 ° C., after 6 hours, the inner container shrunk and the gas phase almost disappeared, and the pressure dropped to 0.4 MPa. Therefore, in the first embodiment, the replacement steps S2 and S4a are unnecessary.
  • the finished gas-containing food 11a is opened using the discharge member 12 and the undiluted solution C is discharged, the same level of stimulation as that of a commercially available carbonated beverage filled in a PET bottle is obtained, and the undiluted solution C has a sufficient amount. Of the pressurizing agent P was dissolved. Also, when almost all of the undiluted solution C has been discharged, the discharging member is removed and left at room temperature for 3 days. It was released and could be easily deformed by grasping the container body.
  • a polyethylene terephthalate pressurized container 11 (full volume of the external container: 250 ml) is used for both the outer container and the inner container. (Dissolution amount: 0.76) was charged in an amount of 150 g. Next, a lid made of polyethylene terephthalate was put on the container body. Further, the pressurizing agent storage chamber Sp was filled with carbon dioxide as the pressurizing agent P from between the outer container and the lid, and the lid was ultrasonically welded to the container body. As a result, the carbonated water overflowed and could not be welded. .
  • the gas-containing food 11a may be manufactured not in the atmosphere but in an atmosphere in which it is desired to dissolve in the stock solution C such as carbon dioxide. In this case, the replacement steps S2 and S4a are unnecessary. Even in this case, the pressurizing agent P that has passed through the inner container 14 is dissolved in the stock solution C, so that a gas-containing food can be obtained.
  • a knob portion that is continuous with the opening portion 15d is provided, and the opening portion 15d is torn off by pulling and pulling the knob portion like a pull-top. It may be.
  • the air nozzle 17 is inserted into the inside of the double container body 16 formed by blow molding from the double preform, and the inside is cleaned by air blowing (air blowing step S1).
  • a vacuum pipe 347 is connected to the opening of the internal container 14 to suck air in the internal container 14 (decompress the internal container 14).
  • the lower end of the suction nozzle extends to near the bottom of the internal container, and a suction hole is provided on a side surface of the suction nozzle.
  • the internal container 14 is contracted until the volume in the internal container 14 becomes 40 to 70% of the volume before contraction.
  • the gap between the mouth 13g1 of the outer container 13 and the mouth 14f2 of the inner container 14 is open, so that outside air is introduced between the outer container 13 and the inner container 14 through this gap.
  • the outer container 13 does not contract, and only the inner container 14 contracts (contraction step S2).
  • the outer container 13 and the inner container 14 blow-molded from the double preform are separated smoothly, and the pressurized agent storage chamber Sp is formed therebetween.
  • the vacuum pipe 347 is removed.
  • the inner container 14 contracts even when the vacuum pipe 347 is removed. It remains. In practice, it expands somewhat resiliently, but does not return to its original shape and maintains a predetermined capacity.
  • the gap between the mouth 13g1 of the outer container 13 and the mouth 14f2 of the inner container 14 may be closed in an airtight manner, and then the vacuum pipe 347 may be removed. Further, the state in which the gap between the mouth 13g1 of the outer container 13 and the mouth 14f2 of the inner container 14 is airtightly closed may be continued until a lid mounting step (S4) described later.
  • the stock solution C is filled in the inner container 14 (stock solution filling step S3).
  • the amount of the undiluted solution C is preferably such that when the lid 15 is attached, the bottom of the lid 15 is in contact with the undiluted solution C and no void remains. Thereby, when the lid 15 is welded, the unsealed portion 15d is cooled by the stock solution C and does not melt. In addition, the discharge becomes smooth by leaving or reducing the gap.
  • the lid 15 is hermetically attached to the mouth 14f2 of the inner container 14, and the inner container 14 is sealed (lid attaching step S4).
  • the pressurizing agent filling device 320 includes a cylindrical filling tool 323 having an opening at the bottom, and a horn 324 for ultrasonic welding, which is provided to close the upper opening of the filling tool 323 and to be vertically movable within the filling tool 323. .
  • the pressurized-agent filling device 320 further includes a mechanism for causing the filling tool 323 and the outer container 13 to approach each other in the axial direction and press each other.
  • a pressing mechanism is constituted by a mechanism for elevating the filling tool 323 or an elevating mechanism 327L for elevating the tray 327 supporting the external container 13.
  • the ultrasonic welding machine 319 includes an elevating mechanism 328 for elevating and lowering the horn 324 described above.
  • An annular seal member 329 that allows sliding is interposed between the elevating mechanism 328 and the filling tool 323.
  • the pressurizing agent P When filling the pressurizing agent P, first, the filling tool 323 and the external container 13 are approached to each other, and the space between the filling tool 323 and the external container 13 is sealed by the sealing material 325 below the filling tool 323. Next, the pressurizing agent P is supplied from the pressurizing agent supply pipe 326 to the filler 323.
  • the gap between the opening 13g1 of the outer container 13 and the opening 14f2 of the inner container 14 is provided between the upper end of the neck 13d of the outer container 13 and the flange 15b of the lid 15, and further, the neck 13d of the outer container 13 and the inner container
  • the pressurizing agent P is filled in the pressurizing agent storage chamber Sp under the cup through a passage passing between the necks 14d of the 14 (pressurizing agent filling step S5).
  • the pressurizing agent P a compressed gas such as nitrogen gas, compressed air, carbon dioxide gas, nitrous oxide gas or the like is preferable.
  • the pressure inside the double pressurized container is increased by 0.1 to 0.5 MPa (25 ° C., gauge pressure) by the pressurizing agent, and especially 0.3 to 0.5 MPa (25 ° C., gauge pressure) equivalent to that of carbonated beverages. It is preferred that The capacity of the outer container is preferably 30 to 500 ml.
  • the capacity of the stock solution storage chamber Sc is preferably about 20 to 300 ml.
  • the capacity of the pressurized agent storage chamber Sp is preferably about 10 to 200 ml.
  • the horn 324 is lowered while maintaining the seal by the sealant 325, and the ultrasonic vibration is transmitted to the horn 324 in a state where the lid 15 is pressed downward.
  • the flange 15b of the lid 15 and the upper end surface 13f of the neck 13d of the outer container 13 and the upper end surface 14e of the neck 14d of the inner container 14 are ultrasonically welded (welding step S6). Thereby, a double pressurized product 10 is obtained.
  • the pressure measuring device 330 includes a grip 331 for pressing the body 13b of the outer container 13, a load meter 332 for detecting a pressing force by the grip, and a sensor for detecting a deformation amount of the body 13b. The internal pressure is measured based on the calibration curve of the volume.
  • the inside of the double container body 16 is cleaned by air blowing (air blowing step S1).
  • a fluid air, gas, liquid
  • the opening 14f2 of the inner container 14 opened a fluid (air, gas, liquid) is passed between the outer container 13 and the inner container 14 through a gap between the opening 13g1 of the outer container 13 and the opening 14f2 of the inner container 14.
  • the volume in the inner container 14 is reduced to a predetermined volume.
  • the internal container 14 is contracted until the volume in the internal container 14 becomes 40 to 70% of the volume before contraction (contraction step S21).
  • the shrinking step S21 the outer container 13 and the inner container 14 blow-molded from the double preform are separated smoothly, and the pressurized agent storage chamber Sp is formed therebetween.
  • the thickness of the body 14b of the inner container 14 is 0.1 to 0.3 mm and has such a hardness as to maintain the contracted state, the fluid between the outer container 13 and the inner container 14 is formed. Even if the supply of (air, gas, liquid) is stopped, the inner container 14 remains contracted. However, in order to reliably maintain the contracted state of the inner container 14, the supply of the fluid (air, gas, liquid) between the outer container 13 and the inner container 14 is stopped, and at the same time, the outer container 13 and the inner container 14 are stopped.
  • the gap in the mouth may be closed airtightly. This can be achieved by leaving the feeding device (not shown) attached. Further, the state in which the gap between the mouths of the outer container 13 and the inner container 14 is airtightly closed may be continued until a lid mounting step (S4) described later.
  • the stock solution C is filled in the inner container 14 (stock solution filling step S3).
  • the lid 15 is hermetically attached to the mouth of the inner container 14 and a lid attaching step S4 for sealing the inner container 14 is performed.
  • a pressurizing agent filling step S5 for filling the pressurizing agent storage chamber Sp with the pressurizing agent P under the cup
  • a welding step S6 for fixing the lid 15 to the outer container 13 and the inner container 14 by ultrasonic welding
  • a pressure measuring step S7 a pressure measuring step S7.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un récipient à double compression (11, 31), lequel récipient comprend un récipient externe (13, 33), un récipient interne souple (14, 34) renfermé à l'intérieur du récipient externe (13, 33), et un corps de couvercle (15, 35) soudé au récipient externe (13, 33) et au récipient interne (14, 34) et scellant à la fois le récipient externe (13, 33) et le récipient interne (14, 34), l'espace à l'intérieur du récipient interne (14, 34) constituant une chambre de stockage de matière première liquide pour stocker une matière première liquide (C), l'espace entre le récipient externe (13, 33) et le récipient interne (14, 34) constituant une chambre de stockage d'agent de compression destinée à être remplie par un agent de compression (P), et le corps de couvercle (15, 35) comportant une partie de descellement (15d, 44) pour desceller la chambre de stockage de matière première liquide. Un produit de décharge (11a, 31a) comprend le récipient à double compression (11) rempli par la matière première liquide (C) et l'agent de compression (P).
PCT/JP2019/028376 2018-07-18 2019-07-18 Récipient à double compression, produit de décharge, élément de décharge, système de distributeur et procédé de fabrication de produit de décharge WO2020017617A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19837693.1A EP3825254A4 (fr) 2018-07-18 2019-07-18 Récipient à double compression, produit de décharge, élément de décharge, système de distributeur et procédé de fabrication de produit de décharge
US17/260,685 US11603257B2 (en) 2018-07-18 2019-07-18 Double pressurized container, discharge product, discharge member, dispenser system and manufacturing method for discharge product
CN201980047765.1A CN112424088B (zh) 2018-07-18 2019-07-18 双重加压容器、喷出制品、喷出部件、分配器***以及喷出制品的制造方法

Applications Claiming Priority (20)

Application Number Priority Date Filing Date Title
JP2018-135384 2018-07-18
JP2018135384 2018-07-18
JP2018144574A JP7186537B6 (ja) 2018-07-31 2018-07-31 二重加圧製品の製造方法
JP2018-144574 2018-07-31
JP2018-218704 2018-11-21
JP2018-218725 2018-11-21
JP2018218725A JP2020083365A (ja) 2018-11-21 2018-11-21 吐出装置システム
JP2018218704A JP7171384B6 (ja) 2018-11-21 2018-11-21 加圧容器、加圧製品、吐出部材および吐出装置
JP2019-009498 2019-01-23
JP2019009498A JP7149862B2 (ja) 2019-01-23 2019-01-23 加圧容器および加圧容器用の蓋体
JP2019069238A JP7257852B2 (ja) 2019-03-29 2019-03-29 加圧製品の製造方法
JP2019-069238 2019-03-29
JP2019-086706 2019-04-26
JP2019086706A JP7220618B2 (ja) 2019-04-26 2019-04-26 二重加圧容器
JP2019113240A JP7229108B2 (ja) 2019-06-18 2019-06-18 二重加圧容器およびその製造方法
JP2019-113240 2019-06-18
JP2019127625A JP2021011304A (ja) 2019-07-09 2019-07-09 ガス含有食品の製造方法
JP2019-127625 2019-07-09
JP2019-131251 2019-07-16
JP2019131251A JP7419636B2 (ja) 2018-07-18 2019-07-16 二重加圧容器、吐出製品、吐出部材、吐出装置およびそれらを用いたディスペンサーシステム

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CN112385965A (zh) * 2020-11-23 2021-02-23 绍兴上虞溢尔塑业有限公司 一种可以摇晃增压的化妆瓶
USD913804S1 (en) * 2019-05-06 2021-03-23 Natura Cosméticos S.A. Flask
CN113942311A (zh) * 2020-07-16 2022-01-18 佳能株式会社 液体储存容器
EP3988316A1 (fr) * 2020-10-23 2022-04-27 Seiko Epson Corporation Récipient de remplissage d'encre

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USD913804S1 (en) * 2019-05-06 2021-03-23 Natura Cosméticos S.A. Flask
CN113942311A (zh) * 2020-07-16 2022-01-18 佳能株式会社 液体储存容器
EP3939794A1 (fr) * 2020-07-16 2022-01-19 Canon Kabushiki Kaisha Récipient de stockage de liquide
US11584132B2 (en) 2020-07-16 2023-02-21 Canon Kabushiki Kaisha Liquid storage container
EP3988316A1 (fr) * 2020-10-23 2022-04-27 Seiko Epson Corporation Récipient de remplissage d'encre
US11724507B2 (en) 2020-10-23 2023-08-15 Seiko Epson Corporation Ink refilling container
CN112385965A (zh) * 2020-11-23 2021-02-23 绍兴上虞溢尔塑业有限公司 一种可以摇晃增压的化妆瓶

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