WO2004050497A1 - Cap for canned drink - Google Patents

Cap for canned drink Download PDF

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Publication number
WO2004050497A1
WO2004050497A1 PCT/JP2003/015047 JP0315047W WO2004050497A1 WO 2004050497 A1 WO2004050497 A1 WO 2004050497A1 JP 0315047 W JP0315047 W JP 0315047W WO 2004050497 A1 WO2004050497 A1 WO 2004050497A1
Authority
WO
WIPO (PCT)
Prior art keywords
canned beverage
cap
outer peripheral
beverage container
canned
Prior art date
Application number
PCT/JP2003/015047
Other languages
French (fr)
Japanese (ja)
Inventor
Yoshio Onoda
Original Assignee
Onoda, Shigeyoshi
Matsuura, Harumi
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
Application filed by Onoda, Shigeyoshi, Matsuura, Harumi filed Critical Onoda, Shigeyoshi
Priority to EP03812302A priority Critical patent/EP1584571B1/en
Priority to AU2003302641A priority patent/AU2003302641B2/en
Priority to AT03812302T priority patent/ATE473180T1/en
Priority to CA2508566A priority patent/CA2508566C/en
Priority to MXPA05005730A priority patent/MXPA05005730A/en
Priority to US10/537,277 priority patent/US20060060584A1/en
Priority to BR0316136-6A priority patent/BR0316136A/en
Priority to DE60333313T priority patent/DE60333313D1/en
Priority to JP2004556841A priority patent/JP4546252B2/en
Publication of WO2004050497A1 publication Critical patent/WO2004050497A1/en

Links

Classifications

    • 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
    • B65D41/00Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/62Secondary protective cap-like outer covers for closure members
    • 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
    • B65D41/00Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/22Caps or cap-like covers with elastic parts adapted to be stretched over the container
    • 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
    • B65D17/00Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • 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
    • B65D51/00Closures not otherwise provided for
    • B65D51/18Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0006Upper closure
    • B65D2251/0015Upper closure of the 41-type
    • 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0068Lower closure
    • B65D2251/0071Lower closure of the 17-type
    • 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
    • B65D2517/00Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001Details
    • B65D2517/0031Reclosable openings
    • B65D2517/004Reclosable openings by means of an additional element
    • B65D2517/0041Reclosable openings by means of an additional element in the form of a cover
    • 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
    • B65D2517/00Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001Details
    • B65D2517/0098Means for preventing dust contacting pouring opening, e.g. a cover over the tear panel

Definitions

  • the present invention relates to a canned beverage containing a beverage, which covers the upper surface of the canned beverage container including the spout before opening to protect sanitary condition, and prevents the beverage in the container from spilling after opening.
  • the present invention relates to a canned beverage cap functioning as a cap. Background art
  • Containers for canned beverages that are generally distributed are provided with a stay-on type pull-tab, and the opening is separated from the can lid body by pulling up the pull-tab, and the opening is opened by opening this opening.
  • canned beverages cannot be resealed, and it is difficult to carry them with them, even if they drink all of the contained beverages and leave the beverages.
  • Japanese Utility Model Laid-Open No. 5-4 6755 discloses a closed lid for an opening can composed of a top plate and a peripheral frame.
  • an annular leg is provided on the inner peripheral side of the peripheral frame portion, between which the annular leg can be fitted to the winding portion of the can having a large diameter, and the annular leg is further provided.
  • An annular leg with a small diameter was provided on the inner peripheral side, and the configuration was such that the winding portion of a small-diameter can was fitted.
  • the wrapped portion is higher than the upper surface of the container, and a narrow groove is formed all around the inside of the wrapped portion. It was present between the opening and the winding part. This groove is inevitably generated for winding the body and can lid that constitute the container body, but before opening, it has a structure in which dust and dust easily enter the groove. I could not deny it.
  • the area around the opening that is expected to come into contact with the mouth during drinking is exposed, so it was not possible to thoroughly control sanitation in the distribution channel. In other words, a clerk or general customer at a store or the like may directly touch the vicinity of the opening when displaying or purchasing products, and there is a risk that germs on the hands may adhere. Hygiene issues were pointed out.
  • Japanese Patent Application Laid-Open No. 9-27956 Japanese Patent Application No. 8-38961 discloses a top portion that covers the upper surface of a canned beverage container, and a can portion that is continuous with the top portion.
  • a canned beverage in which a cover member formed of a contact portion that is in close contact with a side surface can cover a portion that is in contact with a mouth when drinking.
  • the present invention has been made in view of the above-mentioned points, and its object is to use it for canned beverage containers of slightly different sizes in drinking water, and in hygiene management in the distribution process, at the time of drinking.
  • An object of the present invention is to provide a canned beverage cap which can be used for storing the remaining beverage. Disclosure of the invention
  • a canned beverage cap that can be used for sanitary protection in the distribution process and that can function as a cap to protect left-over drinks after purchase by consumers It was developed.
  • the invention provides a cap provided around a can lid of a canned beverage container for storing beverages, wherein the sealing surface portion is formed into a film while having elasticity and covers an upper surface of the canned beverage container. And an outer peripheral portion comprising an outer periphery of the seal surface portion made of an elastic material having elasticity. The outer peripheral portion is attached below the winding portion of the canned beverage container, whereby the canned beverage container is provided. Characterized in that the entire periphery of the upper surface of the container is covered with a sealing surface in a water-tight manner.
  • the gist is a summary.
  • the sealing surface portion and the outer peripheral portion can be made to have sufficient flexibility and elasticity by integrally injection-molding polystyrene or polypropylene, so that the outer peripheral portion has a sufficient elastic force. be able to.
  • the thickness of the sealing face portion By setting the thickness of the sealing face portion to 0.4 mm or less, the flexibility and stretchability become favorable.
  • the thickness of the outer peripheral portion By setting the thickness of the outer peripheral portion to 0.5 mm or more, The above elastic force can be obtained.
  • This tongue piece protruding from the edge of the outer peripheral portion facilitates attachment and detachment of the canned beverage cap.
  • This tongue piece is provided with a large number of small tongue pieces and two large tongue pieces to facilitate attachment and detachment.
  • a cap provided on the periphery of a can lid of a canned beverage container for storing a beverage, wherein the seal is formed into a film while having elasticity and covers the upper surface of the canned beverage container.
  • the sealing surface portion, the outer peripheral portion, and the close contact portion can have sufficient flexibility or elasticity by integrally injection-molding polystyrene or polypropylene.
  • the thickness of the sealing surface and contact area By setting the thickness of the sealing surface and contact area to 0.4 mm or less, sufficient flexibility and By making the outer peripheral portion have a thickness of 0.5 mm or more, a sufficient elastic force can be provided.
  • a cap provided around a can lid of a can-drink container for storing drinks, which is formed in a film shape while having elasticity, and is provided on an upper surface of the can-drink container.
  • a sealing surface portion covering the sealing member portion an outer peripheral portion configured by forming an outer periphery of the sealing surface portion with an elastic material having elasticity, and a contact portion that is in close contact with the body portion of the canned beverage container while being continuous with the outer peripheral portion.
  • all of the sealing surface, the outer peripheral portion, the contact portion, and the edge portion are integrally formed by injection molding of polystyrene or polypropylene, and the thickness of the sealing surface portion and the contact portion is 0.4 mm or less.
  • the sealing surface portion and the contact portion have sufficient flexibility and elasticity, and Since the edge portion has a sufficient elastic force, the sealing surface portion is stabilized by the elastic force of the outer peripheral portion, and the contact portion is stabilized by the elastic force of the edge portion.
  • a perforation is formed at a boundary between the outer peripheral portion and the contact portion.
  • the perforation is a perforation formed along a boundary between the outer peripheral portion and the contact portion, and the boundary is defined by a line forming an edge of the outer peripheral portion and the edge. It is preferable that the line is a line constituting the outer diameter of the tongue piece projecting.
  • the above-mentioned close contact portion is continuous with a perforation formed at the boundary between the outer peripheral portion and the close contact portion. It is preferable that a second perforation formed by continuing up to the edge of the contact portion is formed. At this time, it is preferable that the close contact portion is configured to have a second tongue piece protruding from the edge near the second perforation.
  • the second tongue piece is a tongue piece used to break the contact portion along the second perforation.
  • a fourth modification of the present invention is a cap provided around a can lid of a can-drink container for storing beverages, which is formed in a film shape while having elasticity, and is provided with an upper surface of the can-drink container.
  • a cap body comprising a sealing surface portion to be covered, an outer peripheral portion comprising an outer periphery of the sealing surface portion made of an elastic material having elasticity, and a cover covering the can lid and body of the canned beverage container.
  • the sealing surface and the outer peripheral portion are integrally injection-molded with polystyrene or polypropylene, the sealing surface has a thickness of 0.4 mm or less, and the outer peripheral has a thickness of 0.4 mm.
  • the sealing surface portion has sufficient flexibility and elasticity, and the outer peripheral portion has sufficient elastic force.
  • the cap is easily attached and detached by providing at least one tongue piece protruding from the outer peripheral edge of the cap body.
  • the cap body (the canned beverage cap of the present invention) only remains after the force-par portion is removed, a perforation is formed in an appropriate direction from a part of the edge of the cover portion.
  • the cover is easily broken, and the tongue protruding from the edge of the cover in the vicinity of the perforation is formed. The part can be broken.
  • the upper surface of the canned beverage container can be covered at the time of shipment, it is possible to prevent intrusion of dust, dust, or the like into the groove formed on the upper surface during the distribution process.
  • the close contact part it is possible to cover the part of the body of the canned beverage container where consumers are expected to come into direct contact with the mouth, so that distributors, sales clerks, or general customers can cover the part. Even if the upper surface of the beverage container is touched, a sanitary can beverage can be provided.
  • at a glance at the stage of distribution of canned beverages, it is possible to determine at a glance whether or not foreign matter has been mixed in by the presence of the canned beverage cap or by confirming that the close contact portion has not been removed. This will contribute to hygiene management during the flow.
  • the sealing surface portion and the outer peripheral portion of the canned beverage cap are configured to expand and contract, attachment and detachment can be repeated. Therefore, in the state where the beverage remains in the canned beverage container, the canned beverage can be stored in a hygienic manner by attaching the above-mentioned canned beverage cap, and the sealing surface portion is made watertight over the entire upper surface of the canned beverage container. Therefore, the remaining beverage can be prevented from spilling to the outside.
  • the outer peripheral portion of the canned beverage cap is expandable and contractible, when the outer peripheral portion is attached to the lower portion of the tightened portion, the cap does not easily come off due to the contraction force of the outer peripheral portion. And the difference can be absorbed by the contraction force of the outer peripheral portion even when the diameter of the upper surface of the canned beverage container is slightly different. In this case, even when the sealing surface portion is appropriately shrunk, there is no difference in the state where the sealing surface portion covers the entire upper surface of the canned beverage container. Moreover, in a canned beverage having a stay-on type pull tab, the upper portion of the pull tab may be located upward after opening, but the sealing surface portion Is stretched and deformed into a substantially tent shape, but the covering state does not change.
  • FIG. 1 is an explanatory diagram showing a first embodiment of the present invention.
  • FIG. 2 is an explanatory diagram showing a use mode of the first embodiment.
  • FIG. 3 is a perspective view showing an embodiment of manufacturing the beverage cap of the first embodiment.
  • FIG. 4 is a sectional view of a canned beverage container using the present invention.
  • FIG. 4 (a) is a type 1 canned beverage container, and
  • FIG. 4 (b) is a type 2 canned beverage container.
  • FIG. 5 is a cross-sectional view showing a state where the first embodiment is used for a type-2 canned beverage container.
  • FIG. 6 is an explanatory diagram of an embodiment in which the shape of the peripheral portion in the first embodiment is changed.
  • FIG. 7 is a cross-sectional view showing a use state of the first embodiment.
  • FIG. 1 is an explanatory diagram showing a first embodiment of the present invention.
  • FIG. 2 is an explanatory diagram showing a use mode of the first embodiment.
  • FIG. 3 is a
  • FIG. 8 is a cross-sectional view showing a stacked state when the first embodiment is used.
  • FIG. 9 is an explanatory diagram showing a modification of the first embodiment.
  • FIG. 10 is an explanatory diagram showing a use mode of the above modification.
  • FIG. 11 is an explanatory diagram showing a second embodiment of the present invention.
  • FIG. 12 is an explanatory diagram showing a modification of the second embodiment.
  • FIG. 13 is an explanatory diagram showing an example in which the second embodiment is further modified.
  • FIG. 14 is an explanatory diagram showing a third embodiment of the present invention.
  • FIG. 15 is an explanatory diagram showing a modification of the third embodiment.
  • a sealing surface portion 11 having an appropriate area and an outer peripheral portion 12 forming an outer periphery of the sealing surface portion 11 are constituent elements. ing.
  • the sealing surface 11 is made of a material having elasticity and is in the form of a film having appropriate elasticity.
  • the peripheral portion 12 is made of an elastic material having elasticity.
  • the sealing surface 11 is made of polystyrene or polypropylene integrally by injection molding, and the sealing surface 11 is made thinner while the outer peripheral portion 12 is made thicker. When the thickness of the sealing surface 11 was 0.4 mm or less, moderate flexibility and elasticity could be obtained.
  • FIG. 2 shows an embodiment in which the above-mentioned coffee beverage can container is mounted.
  • the outer peripheral portion 12 annular and making the wall thickness 0.5 mm or more, it was possible to expand and contract and obtain a sufficient elastic force.
  • the ring of the outer peripheral portion 12 acts uniformly on the sealing surface portion 11, and is suitable for a canned beverage container having a circular cross section.
  • the sealing surface 11 is made of polystyrene or polypropylene with a thickness of 0.1 mm to 0.4 mm, the original shape can be maintained without destruction of the whole shape while having moderate flexibility.
  • the canned beverage cap using the above-mentioned polystyrene or polypropylene had no change in the flexibility and elasticity of the material even when left in an environment of 120 ° C. Therefore, beverage caps using these materials can also be used for hot beverage containers. Naturally, canned beverage caps made of the above materials have no change in flexibility or the like even under an environment of 0 ° C or less, and therefore can be used for cold beverages. it can.
  • polyolefin can be mentioned.
  • the canned beverage cap 10 is stably attached to the canned container 20.
  • the upper surface of the canned beverage container 20 can be water-tightly covered by bringing the surface of the sealing surface 11 into contact with the upper end of the winding portion 21 of the canned beverage container 20. You can do it.
  • the aspect coated as described above is shown in FIG.
  • the seal face portion 11 and the outer peripheral portion 12 of the embodiment shown in FIG. 3 are manufactured by differentiating the manufacturing method of the above embodiment, and the outer peripheral portion 12 is laminated along the outer peripheral edge of the seal surface portion 11. Thus, they are integrally configured.
  • the elastic modulus of the sealing surface portion 11 and the elastic modulus of the outer peripheral portion 12 can be changed, and the expansion and contraction state can be appropriately adjusted according to the size and type of the canned beverage container to which the canned beverage cap 10 is attached. Is possible.
  • a rubber material such as a synthetic rubber is thinly stretched and formed into a film shape, and the sealing surface portion 11 is used, and a rubber-like rubber material is used as the outer peripheral portion 12. And this By bonding them together and integrating them, it is also possible to exert the same kind of function.
  • the winding portion 21 of the canned beverage container 20 is used for integrally joining the body portion 22 and the can lid 23.
  • the edge of the body 22 and the can lid 23 are configured to be stacked on each other, so that they protrude laterally outward from the body 22.
  • Fig. 4 (a) shows a type 1 canned beverage container, which is used for many coffee beverages distributed in Japan.
  • Fig. 4 (b) shows a type 2 canned beverage container, which is widely used in Japan for beverages such as green tea, black tea or juice.
  • a winding portion 21 is formed at the joint between the body 22 and the can lid 23.
  • FIG. 2 shows an embodiment in which the can-drink container 10 is attached to the type 1 can-drink container
  • FIG. 5 shows an embodiment in which the can-drink container 10 is attached to the type 2 can-drink container. I have.
  • the shape of the outer peripheral portion 12 can be various forms. Such a modification is shown in FIG. In this type of configuration, a hook-shaped configuration is formed inward from the tip edge of the outer peripheral portion 12, a semicircular cross-sectional shape of the outer peripheral portion 12, The part 12 has a circular cross-section, and a rubber band having a quadrangular cross-section is laminated on the outer peripheral part 12. In any of these modes, the outer peripheral portion 12 is hooked by the elastic force of the outer peripheral portion 12 by being attached to the concave portion 22 below the winding portion 21 of the canned beverage container 20. What you get.
  • the canned beverage container 20 when the canned beverage is shipped, the canned beverage container 20 is fitted with the canned beverage cap 10 on the upper surface so that the canned beverage can be covered including the groove 24 formed on the upper surface. In the process, dust and dirt can be prevented from entering the groove 24. Also, if the consumer removes the canned beverage cap 10 after purchase, the canned beverage cap 10 can be attached again while covering the upper surface of the canned beverage container 20. With the beverage remaining in the beverage container 20, the can beverage can be stored in a sanitary manner by installing the can beverage cap 10, and the sealing surface 11 of the can beverage cap 10 is rolled up.
  • the canned beverage cap 1 Since the entire circumference of the tightening portion 21 abuts in a watertight manner, even when the beverage spills from the opening 25 of the canned beverage container 20 due to shaking during carrying, etc., the canned beverage cap 1 It is possible to suppress leakage from 0 to the outside.
  • the upper end of the pulltab pulled up for opening is located above the upper end edge of the winding portion 21 of the canned beverage container 20.
  • the sealing surface 11 of the canned beverage cap 10 has elasticity, so that it is slightly elongated by the pull tab 26. That is, since the sealing surface portion 11 forms a substantially tent shape, it does not hinder the mounting of the canned beverage cap 10. The above embodiment is shown in FIG.
  • the canned beverage cap 10 as described above uses polystyrene or polypropylene, if the caliber of the canned beverage container 20 is different, Even if it is, it can respond sufficiently. In other words, can beverage containers of the same kind and other manufacturers have a difference of several mm, but as described above, if the expansion ratio of the sealing surface 11 is 1: 1.14 in diameter ratio, 50 mm Since the sealing surface 11 having a diameter of ⁇ extends to 57 mm, it can be used for canned beverage containers of other manufacturers of the same kind having a difference of about 2 to 3 mm.
  • the thickness of the sealing face 11 is further reduced, the elongation rate is improved. If there is a possibility that the sealing face 11 may be used for a canned beverage container of another manufacturer of the same kind, the thickness of the sealing face 11 is determined in advance. By adjusting the size, various canned beverage containers can be handled.
  • the sealing surface portion 11 and the outer peripheral portion 12 have elasticity, attachment and detachment to the upper surface of the canned beverage container 20 can be repeated a plurality of times. However, if you drink canned beverages, they will be discarded when you have completely consumed them.Therefore, the use of the canned beverage cap 10 should be achieved by repeating attachment and detachment several times. Can be. Therefore, it is possible to make the sealing surface portion 11 relatively thin, and it is possible to save material by such a configuration.
  • the purpose of the expansion and contraction function of the sealing surface 11 and the outer peripheral portion 12 can be achieved by maintaining sufficient elasticity for several times of attachment and detachment. When used for canned beverages without the canned beverage cap 10 at the time of shipment, and when used as a portable canned beverage cap 10, it can be repeatedly attached and detached many times. Naturally, it must be constructed by using the above materials.
  • the canned beverages may be stacked vertically.
  • the sealing surface portion 11 has appropriate elasticity, so that the sealing surface portion 11 is easily deformed to enable the above-described superposition.
  • FIG. Top canned beverages 2 0 a When the bottom portion of the seal engages the upper surface of the lower canned beverage 20b, the sealing surface portion 11 is deformed in the middle between the two cans 20a and 2Ob.
  • polystyrene or polypropylene may have a wall thickness of 0.2 mm or less. This is because sufficient flexibility can be obtained.
  • tongue pieces 17 and 18 projecting outward from the edge of the outer peripheral portion 12 of the canned beverage cap 10 are provided.
  • This variant is shown in FIG.
  • the tongue pieces 17 and 18 may be in the horizontal direction or in the direction toward the bottom of the canned beverage container as long as they protrude outward from the outer peripheral part 12. It has a sufficient area so that it can be pinched by a finger separately from the outer peripheral portion 12.
  • FIG. 1 The use of the above variant is shown in FIG.
  • the tongue pieces 17 and 18 are pulled while being pinched by fingers, so that the outer peripheral portion 12 is hooked on the edge of the upper surface of the canned beverage container, and The ring of No. 2 can be enlarged, so that it can be easily mounted on the canned beverage container 20.
  • the outer peripheral portion 12 can be easily enlarged by pulling one of the tongue pieces 17 and 18. It becomes easy to remove this.
  • FIG. the outer peripheral portion 12 of the first embodiment is provided with a contact portion 13 which is continuous with the outer peripheral portion 12, and the contact portion 13 is formed in a film shape.
  • the beverage cap 10 When the beverage cap 10 is attached to the canned beverage container 20, it is brought into close contact with the surface of the body 22 of the canned beverage container 20.
  • the contact portion 13 is formed continuously with the outer peripheral portion 12, and a perforation 14 is formed at the boundary with the outer peripheral portion 12, By cutting along the eye 14, the outer peripheral portion 13 is separated from the contact portion 13. With the detachment of the contact portion 13, the canned beverage cap 10 shown in the first embodiment can be formed.
  • the canned beverage cap 10 can cover the upper surface of the canned beverage container 20 and the periphery of the rolled portion 21, and the close contact portion 13 is continuous with the canned beverage cap 10. While covering the body 22 of the canned beverage container 20. Since the coating of the body 22 is a portion that is continuous to the winding portion 21 of the canned beverage cap 10, there is a possibility that the mouth may come into contact with the vicinity of the opening 25 of the canned beverage container 20. To cover a certain area.
  • Opening of the canned beverage cap 10 is performed by first contacting the outer peripheral portion 12 with the close contact portion.
  • the canned beverage cap 10 is made independent, and the canned beverage cap 10 alone is separated from the canned beverage container 20 alone. It is possible. That is, by utilizing the expansion and contraction of the outer peripheral portion 12 of the can beverage cap 10, the outer peripheral portion 12 is detached from the lower portion of the rolled portion 21 of the can beverage container 20, whereby the can beverage cap is obtained. It is possible to remove 10. In order to facilitate the cutting of the perforations 14, it is also possible to heat and harden only the contact portion 13 with hot air or the like.
  • the close contact portion 13 can be removed from the surface of the canned beverage container 20.
  • the cutting position and the cutting method of the second perforation 15 can be notified.
  • the second embodiment can prevent dust and the like from entering the upper surface of the canned beverage container 20 in the distribution channel by installing the canned beverage at the time of shipping, and can also prevent a salesperson or the like at a sales outlet or the like.
  • General customers, etc. can drink containers 2 0 Even if it touches the vicinity of the opening 25, there is no danger of bacteria and the like adhering to it, and it is sanitary.
  • the remaining portion from which the contact portion 13 has been detached is the same as the canned beverage cap 10 of the first embodiment, and thus is removed for opening, and after opening, the canned beverage container 20 is opened. It can be installed to cover the upper surface of the device.
  • the edge portion 13a of the contact portion 13 is configured to be thick to have an elastic force.
  • This configuration is shown in FIG. Since the edge of the contact portion 13 is circular except for the tongue piece 16, the edge 13a is formed of an annular thick member. With such a configuration, the whole can be mounted in a state where the contact portion 13 is in close contact with the surface of the canned beverage container.
  • the perforation 14 in the second embodiment is added to the boundary between the outer peripheral portion 12 of the canned beverage cap 10 and the contact portion 13, and the cutting is performed. Some are configured so that the tongue pieces 17, 18 are formed. This configuration is shown in FIG.
  • the entire perforation 14 coincides with the boundary between the outer peripheral portion 12 and the contact portion 13, but the positions where the tongue pieces 17 and 18 should be formed are in close contact.
  • the portion 13 is formed by a curved portion so that the side of the portion 13 can be cut out in a substantially arc shape. Therefore, when cut along the perforation 14, the tongue pieces 17 and 18 are formed in the arcuate curved part, and the peripheral part 12 and the close contact part 13 can be separated. Things.
  • the contact portion 13 is configured as an individual member independent of the canned beverage cap 10. After attaching the canned beverage cap 10 described above as the first embodiment and its modification to the canned beverage container 20, the canned beverage cap 10 including the canned beverage cap 10 is covered with the close contact portion 13. Can be configured.
  • This embodiment is shown in FIG.
  • the contact portion 13 in the third embodiment described above functions as a cover portion that can simultaneously cover the can lid 23 and the body portion 22 of the canned beverage container 20, and includes the canned beverage cap 10. It covers the body. With such a configuration, the canned beverage cap 10 attached to the canned beverage container 20 does not easily come off during the distribution process, and the safety of the contained beverage is ensured.
  • the Rukoto is a configuration that can simultaneously cover the can lid 23 and the body portion 22 of the canned beverage container 20.
  • the contact portion (cover portion) 13 is provided with two parallel perforations 14 and 15 from the edge of the contact portion 13 toward the center. By cutting 4 and 15 at the same time and removing the middle part of both perforations 14 and 15, only the contact part (cover part) 13 can be detached. In this case, in a state in which the close contact portion (force par portion) 13 is removed, only the same can-drink cap 10 as in the first or second embodiment is mounted.
  • the configuration of is as described above.
  • the perforations 14 and 15 can be easily cut.
  • the material of the contact portion (cover portion) 13 can be made hard.
  • a material having a low elasticity at least after mounting when pulling up with the tongue piece 16, the middle part between both perforations 14 and 15 will be in close contact (cover part). This does not attract 13, so that the intermediate part can be easily removed.
  • a shrink film having heat shrinkability can be used.
  • the positional relationship between 13 and the canned beverage cap 10 is reversed.
  • the contact portion (cover portion) 13 is covered from the upper surface of the canned beverage container 20, and the canned beverage cap 10 is covered thereon.
  • This configuration is shown in FIG. In this case, the canned beverage can be opened by detaching the canned beverage cap 10 and then removing the close contact portion (cover portion) 13.
  • the contact portion (cover portion) 13 is attached to the canned beverage container 20, first, the upper periphery of the canned beverage container 20 is covered with a heat-shrinkable material, so that the The attachment portion (cover portion) 13 can be covered in close contact with the outer shape of the canned beverage container 20.
  • the contact portion (cover portion) 13 When covering the contact portion (cover portion) 13, it is also effective to use a hot-melt adhesive or the like to make the contact in a water-tight manner. Since the outer peripheral portion 12 of the can-drink cap 10 has elasticity, the can-drink container 20 is overlaid on the can-drink container 20 in which the above-mentioned close contact portion (cover portion) 13 is in close contact. When the can cap 10 is attached, the peripheral portion 12 of the can beverage cap 10 can be attached to the canned beverage container 20 by hanging it around the winding portion 21 of the can beverage container 20.
  • the canned beverage container is usually discarded after drinking the contained beverage, but the canned beverage container made of metal is melted and reused as a metal material.
  • a metal material Is polystyrene or polypropylene If it is composed of carbon dioxide, it is considered environmentally friendly because it is decomposed into water and carbon dioxide by incineration. Further, if the material of each of the above embodiments is made of a biodegradable material, it is useful to prevent generation of undecomposed dust.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

A cap (10) for canned drink, where the cap can be used for canned drink containers (20) with slightly different diameters, is effective for hygienic control in distribution processes of canned drink, and can be used for keeping a remaining portion of drink in the container. The cap has a seal face portion (11) having stretchability and formed in a film-like shape, and an outer periphery portion (12) made of an elastic material and forming the outer periphery of the seal face portion (11). The seal face portion (11) and the outer periphery portion (12) are integrally formed by injection molding of polystyrene or polypropylene. In use, when the outer periphery portion (12) is installed at below a seamed portion (21) of the canned drink containers (20), the seal face portion (11) can cover the entire circumference of the upper face of the canned drink container(20).

Description

明 細 書  Specification
缶飲料用キャップ 技術分野  Caps for canned beverages
本発明は、 飲料を収容する缶飲料において、 開栓前においては飲み口 を含む缶飲料容器上面を被覆して衛生的の保護し、 開栓後は、 容器内の 飲料が零れることを防止するキャップとして機能する缶飲料用キャップ に関するものである。 背景技術  The present invention relates to a canned beverage containing a beverage, which covers the upper surface of the canned beverage container including the spout before opening to protect sanitary condition, and prevents the beverage in the container from spilling after opening. The present invention relates to a canned beverage cap functioning as a cap. Background art
一般に流通している缶飲料の容器は、 ステイオンタイプのプルタブを 備えており、 このプルタブを引き上げることによって開口部が缶蓋本体 から離脱し、 この開口部が開放されることによって開栓されるものであ るところ、 一度開栓した缶飲料は再び閉栓することができず、 収容され ている飲料の全部を飲んだ場合はともかく、 飲料を残した場合には、 こ れを持ち運ぶことは困難であり、 また、 飲料が残存する状態では缶容器 の投棄すらできないものであった。 そのため、 消費者は、 屋外で飲用す る場合は、 飲料の全部を飲むことができることを考慮しなければならな かった。 従って、 喉の渴き具合などによっては、 飲用を断念する場合も 多かった。  Containers for canned beverages that are generally distributed are provided with a stay-on type pull-tab, and the opening is separated from the can lid body by pulling up the pull-tab, and the opening is opened by opening this opening. However, once opened, canned beverages cannot be resealed, and it is difficult to carry them with them, even if they drink all of the contained beverages and leave the beverages. In addition, when the beverage remained, it was impossible to even discard the can. Therefore, consumers had to consider that when drinking outdoors, they could drink the entire beverage. Therefore, drinking was often abandoned, depending on the condition of the throat.
そこで、 実開平 5— 4 6 7 5 5号 (実願平 3 - 1 0 4 5 8 6 ) 公報の 考案は、 天板部と周枠部とで構成される開封缶の密閉蓋を構成するもの であり、 この考案は、 周枠部の内周側に環状脚を設け、 この両者の間に おいて径の大きい缶の卷締部に嵌合可能とし、 また、 上記環状脚のさら に内周側に小径の環状脚を設け、 径の小さな缶の卷締部を嵌合できる構 成としたものであった。 一方、 飲料が収容された容器の構造は、 卷締部が容器上面よりも高く なっており、 しかも、 この卷締部の内側全周に細い溝部が形成されてお り、 この溝部は開栓される開口部と卷締部との間に存在するものであつ た。 この溝部は、 容器本体を構成する胴部と缶蓋とを卷締加工するため の必然的に発生する形状であるが、 開栓前においては、 上記溝部にゴミ や埃が侵入しやすい構造であることが否めなかった。 また、 一般的な缶 飲料は、 飲用時に口を接触することが予想される開口部周辺が露出して いるため、 流通経路における衛生管理が徹底できないものであった。 即 ち、 販売店等における店員または一般客が、 商品の陳列または購入等に 際して、 開口部付近を直接手で触れている場合があり、 手の雑菌等が付 着する恐れがあるなど衛生上の問題点が指摘されていた。 Therefore, the invention of Japanese Utility Model Laid-Open No. 5-4 6755 (Japanese Utility Model Application No. 3-104586) discloses a closed lid for an opening can composed of a top plate and a peripheral frame. According to the invention, an annular leg is provided on the inner peripheral side of the peripheral frame portion, between which the annular leg can be fitted to the winding portion of the can having a large diameter, and the annular leg is further provided. An annular leg with a small diameter was provided on the inner peripheral side, and the configuration was such that the winding portion of a small-diameter can was fitted. On the other hand, in the structure of the container containing the beverage, the wrapped portion is higher than the upper surface of the container, and a narrow groove is formed all around the inside of the wrapped portion. It was present between the opening and the winding part. This groove is inevitably generated for winding the body and can lid that constitute the container body, but before opening, it has a structure in which dust and dust easily enter the groove. I could not deny it. In addition, for canned beverages in general, the area around the opening that is expected to come into contact with the mouth during drinking is exposed, so it was not possible to thoroughly control sanitation in the distribution channel. In other words, a clerk or general customer at a store or the like may directly touch the vicinity of the opening when displaying or purchasing products, and there is a risk that germs on the hands may adhere. Hygiene issues were pointed out.
そこで、 特開平 9— 2 0 7 9 5 6号 (特願平 8— 3 8 9 6 1 ) 公報の 発明は、 缶飲料容器の上面を覆う天部と、 この天部に連続して缶の側面 に密着する密着部とで構成されたカバー部材によって、 飲用の際に口が 接触する部分を覆うことができるようにしてなる缶飲料があった。  Therefore, the invention of Japanese Patent Application Laid-Open No. 9-27956 (Japanese Patent Application No. 8-38961) discloses a top portion that covers the upper surface of a canned beverage container, and a can portion that is continuous with the top portion. There has been a canned beverage in which a cover member formed of a contact portion that is in close contact with a side surface can cover a portion that is in contact with a mouth when drinking.
しかしながら、 上記従来技術のうち前者にあっては、 残った飲料を保 存するために便利であるものの、 一般に流通する缶飲料を購入したもの について使用するものであるため、 流通過程における缶容器全体の衛生 管理については対処できないものであった。 また、 上記従来技術は、 缶 の口径について大小の 2種類を予定しているが、 缶飲料の製造メーカ各 社から供給される缶容器の口径は、 同じような大きさであっても微妙に 異なるため、 全ての缶飲料に使用できるものではなかった。 さらに、 飲 料容器の卷締部は、 容器の胴部と缶蓋とが卷締められて硬質ではあるけ れども、 床に落下した際には、 容易に変形するものであるため、 この卷 締部に嵌合する構造の蓋が装着できない場合もあった。  However, in the former of the above prior arts, although it is convenient for storing the remaining beverages, it is used for purchased canned beverages that are generally distributed. Sanitation management could not be dealt with. In addition, the above-mentioned prior art plans two types of can diameters, large and small.However, the diameter of can containers supplied from manufacturers of canned beverages is subtle even if they have the same size. Due to the differences, they could not be used for all canned beverages. In addition, although the container's body and the can lid are hard because the container's body and the can lid are tightly wound, they can easily deform when dropped on the floor. In some cases, a lid having a structure that fits into the fastening portion cannot be attached.
一方、 上記従来技術の後者にあっては、 流通過程における衛生管理が 実現できるものの、 飲料が残った場合の保存については対処できないも のであった。 そして、 上記両者を併用することによって、 流通過程にお ける衛生管理および残った飲料の保管に対応できるものであった。 しか し、 上記のように流通過程において使用するカバーと、 飲用時に使用す る密閉蓋とを併用することは、 消費者の負担を増大させることとなるも のであった。 即ち、 缶飲料を飲む可能性のある場合は常に持ち歩くこと が要求され、 また、 数個の缶飲料を同時に開栓した場合は、 同時に使用 できる複数の密閉蓋が必要となり、 また、 種類の異なる飲料に使用する 場合は、 密閉蓋を介して他の飲料の香りが移ることとなるため、 その種 類に応じた数量の密閉蓋が必要となることなどから、 複数の密閉蓋を所 持する必要があった。 On the other hand, in the latter case of the above prior art, sanitary management in the distribution process Although feasible, it did not address the preservation of remaining beverages. By using both of the above, it was possible to cope with hygiene management in the distribution process and storage of the remaining beverage. However, the use of the cover used in the distribution process and the closed lid used for drinking as described above would increase the burden on consumers. In other words, when there is a possibility of drinking canned beverages, it is required to carry around at all times, and when several canned beverages are opened at the same time, multiple closed lids that can be used simultaneously are required, When used for beverages, the fragrance of other beverages is transferred through the sealing lids, so it is necessary to have a number of sealing lids according to the type. Needed.
本発明は、 上記諸点にかんがみてなされたものであって、 その目的と するところは、 微妙に大きさの異なる口径の缶飲料容器に使用できると ともに、 流通過程における衛生管理においても、 飲用時に残った飲料を 保存する場合にも使用し得る缶飲料用キャップを提供することである。 発明の開示  The present invention has been made in view of the above-mentioned points, and its object is to use it for canned beverage containers of slightly different sizes in drinking water, and in hygiene management in the distribution process, at the time of drinking. An object of the present invention is to provide a canned beverage cap which can be used for storing the remaining beverage. Disclosure of the invention
上記目的を達成するために、 流通過程においては衛生的に保護する目 的でして使用でき、 消費者が購入した後は、 飲み残しの飲料を保護する キャップとして機能し得る缶飲料用キャップを開発したものである。 そ の発明は、 飲料を収容する缶飲料容器の缶蓋の周辺部に設けられるキヤ ップであって、 伸縮性を有しつつフィルム状に構成され上記缶飲料容器 の上面を被覆するシール面部と、 伸縮性を有する弾性材料により上記シ ール面部の外周を構成してなる外周部とからなり、 上記外周部を上記缶 飲料容器の卷締部の下方に装着することにより該缶飲料容器の上面全周 がシール面部で水密的に被覆されてなることを特徴とする缶飲料用キャ ップを要旨とする。 To achieve the above objectives, a canned beverage cap that can be used for sanitary protection in the distribution process and that can function as a cap to protect left-over drinks after purchase by consumers It was developed. The invention provides a cap provided around a can lid of a canned beverage container for storing beverages, wherein the sealing surface portion is formed into a film while having elasticity and covers an upper surface of the canned beverage container. And an outer peripheral portion comprising an outer periphery of the seal surface portion made of an elastic material having elasticity. The outer peripheral portion is attached below the winding portion of the canned beverage container, whereby the canned beverage container is provided. Characterized in that the entire periphery of the upper surface of the container is covered with a sealing surface in a water-tight manner. The gist is a summary.
前記シール面部おょぴ外周部は、 ポリスチレンまたはポリプロピレン を一体的に射出成形することにより、 シール面部に十分な柔軟性および 伸縮性を持たせることができ、 外周部に十分な弾性力を持たせることが できる。 そして、 上記シール面部の肉厚を 0 . 4 m m以下とすることに より、 上記柔軟性および伸縮性は好適となり、 一方、 上記外周部の肉厚 を 0 . 5 mm以上とすることにより、 好適な上記弾性力を得ることがで きる。  The sealing surface portion and the outer peripheral portion can be made to have sufficient flexibility and elasticity by integrally injection-molding polystyrene or polypropylene, so that the outer peripheral portion has a sufficient elastic force. be able to. By setting the thickness of the sealing face portion to 0.4 mm or less, the flexibility and stretchability become favorable. On the other hand, by setting the thickness of the outer peripheral portion to 0.5 mm or more, The above elastic force can be obtained.
前記外周部の端縁から突出する少なくとも 1つの舌片部を設けること によりへ 上記缶飲料用キャップの着脱が容易となる。 この舌片部は、 小 さな面積のものを多数設けるほかに、 大きな面積の舌片部を 2個設ける ことによって、 着脱を容易にするものである。  Providing at least one tongue piece protruding from the edge of the outer peripheral portion facilitates attachment and detachment of the canned beverage cap. This tongue piece is provided with a large number of small tongue pieces and two large tongue pieces to facilitate attachment and detachment.
上記発明の変形例としては、 飲料を収容する缶飲料容器の缶蓋の周辺 部に設けられるキヤップであって、 伸縮性を有しつつフィルム状に構成 され上記缶飲料容器の上面を被覆するシール面部と、 伸縮性を有する弾 性材料により上記シール面部の外周を構成してなる外周部と、 この外周 部に連続しつつ上記缶飲料容器の胴部に密着する密着部とからなり、 上 記外周部を上記缶飲料容器の卷締部の下方に装着することにより該缶飲 料容器の上面全周がシール面部で水密的に被覆されてなることを特徴と することができる。 この変形例により、 密着部が缶飲料の上部の相当範 囲を被覆できることとなり、 缶飲料の流通過程における衛生面を良好に 保護できる。  As a modified example of the above invention, there is provided a cap provided on the periphery of a can lid of a canned beverage container for storing a beverage, wherein the seal is formed into a film while having elasticity and covers the upper surface of the canned beverage container. A surface portion, an outer peripheral portion that forms the outer periphery of the sealing surface portion with an elastic material having elasticity, and an adhesive portion that is continuous with the outer peripheral portion and closely adheres to the body of the canned beverage container. By mounting the outer peripheral portion below the tightening portion of the can-drink container, the entire upper surface of the can-drink container can be water-tightly covered with the sealing surface. According to this modified example, the contact portion can cover a considerable area of the upper portion of the canned beverage, and the sanitary aspect in the distribution process of the canned beverage can be well protected.
この場合においても、 前記シール面部、 外周部おょぴ密着部は、 ポリ スチレンまたはポリプロピレンを一体的に射出成形することにより、 十 分な柔軟性または伸縮性を持たせることができ、 特に、 上記シール面部 および密着部を肉厚 0 . 4 mm以下とすることにより、 十分な柔軟性お ょぴ伸縮性を持たせることができるとともに、 上記外周部を肉厚 0 . 5 m m以上とすることにより、 十分な弾性力を持たせることができる。 また、 第 2の変形例としては、 飲料を収容する缶飲料容器の缶蓋の周 辺部に設けられるキヤップであって、 伸縮性を有しつつフィルム状に構 成され上記缶飲料容器の上面を被覆するシール面部と、 伸縮性を有する 弾性材料により上記シール面部の外周を構成してなる外周部と、 この外 周部に連続しつつ上記缶飲料容器の胴部に密着する密着部と、 この密着 部の端縁を構成する端縁部とからなり、 上記外周部を上記缶飲料容器の 卷締部の下方に装着することにより該缶飲料容器の上面全周がシール面 部で水密的に被覆されてなることを特徴とすることができる。この場合、 密着部の端縁に十分な弾性力を付与することにより、 密着部と飲料容器 の密着性を向上させることができる。 Also in this case, the sealing surface portion, the outer peripheral portion, and the close contact portion can have sufficient flexibility or elasticity by integrally injection-molding polystyrene or polypropylene. By setting the thickness of the sealing surface and contact area to 0.4 mm or less, sufficient flexibility and By making the outer peripheral portion have a thickness of 0.5 mm or more, a sufficient elastic force can be provided. Further, as a second modified example, there is provided a cap provided around a can lid of a can-drink container for storing drinks, which is formed in a film shape while having elasticity, and is provided on an upper surface of the can-drink container. A sealing surface portion covering the sealing member portion, an outer peripheral portion configured by forming an outer periphery of the sealing surface portion with an elastic material having elasticity, and a contact portion that is in close contact with the body portion of the canned beverage container while being continuous with the outer peripheral portion. By attaching the outer peripheral portion below the winding portion of the canned beverage container, the entire periphery of the upper surface of the canned beverage container is watertight at the sealing surface portion. It can be characterized by being coated. In this case, by providing a sufficient elastic force to the edge of the contact portion, the adhesion between the contact portion and the beverage container can be improved.
具体的には、前記シール面部、外周部、密着部および端縁部の全てを、 ポリスチレンまたはポリプロピレンを射出成形によって一体的に構成 し、 上記シール面部および密着部の肉厚を 0 . 4 m m以下とするととも に、上記外周部およぴ端縁部の肉厚を 0 . 5 mm以上とすることにより、 シール面部およぴ密着部は十分な柔軟性および伸縮性を有し、 外周部お よび端縁部は十分な弾性力を備えることとなるから、 シール面部は、 外 周部の弾性力によって安定され、 密着部は、 端縁部の弾性力によって安 定されることとなる。  Specifically, all of the sealing surface, the outer peripheral portion, the contact portion, and the edge portion are integrally formed by injection molding of polystyrene or polypropylene, and the thickness of the sealing surface portion and the contact portion is 0.4 mm or less. In addition, by setting the thickness of the outer peripheral portion and the edge portion to 0.5 mm or more, the sealing surface portion and the contact portion have sufficient flexibility and elasticity, and Since the edge portion has a sufficient elastic force, the sealing surface portion is stabilized by the elastic force of the outer peripheral portion, and the contact portion is stabilized by the elastic force of the edge portion.
上記第 3の変形例としての実施例は、 前記外周部と前記密着部との境 界にミシン目を形成してなることが好適である。また、このミシン目は、 前記外周部と前記密着部との境界線に沿って形成されたミシン目であつ て、 上記境界線は、 上記外周部の端縁を構成する線および該端縁から突 出する舌片部の外径を構成する線であることが好適である。 さらに、 上 記密着部は、 外周部と密着部との境界に形成されたミシン目に連続しつ っ該密着部の端縁までを連続させてなる第二のミシン目が形成されてな ることが好適である。 このとき、 密着部は、 第二のミシン目の近傍にお いて端縁から突出する第二の舌片部が構成されてなる構成が好適であ る。 ここで、 第二の舌片部とは、 第二のミシン目に沿って密着部を破断 させる際に使用する舌片部である。 In the embodiment as the third modified example, it is preferable that a perforation is formed at a boundary between the outer peripheral portion and the contact portion. Further, the perforation is a perforation formed along a boundary between the outer peripheral portion and the contact portion, and the boundary is defined by a line forming an edge of the outer peripheral portion and the edge. It is preferable that the line is a line constituting the outer diameter of the tongue piece projecting. Further, the above-mentioned close contact portion is continuous with a perforation formed at the boundary between the outer peripheral portion and the close contact portion. It is preferable that a second perforation formed by continuing up to the edge of the contact portion is formed. At this time, it is preferable that the close contact portion is configured to have a second tongue piece protruding from the edge near the second perforation. Here, the second tongue piece is a tongue piece used to break the contact portion along the second perforation.
本発明の第 4の変形例としては、 飲料を収容する缶飲料容器の缶蓋の 周辺部に設けられるキャップであって、 伸縮性を有しつつフィルム状に 構成され上記缶飲料容器の上面を被覆するシール面部と、 伸縮性を有す る弾性材料により上記シール面部の外周を構成してなる外周部とからな るキャップ本体部と、 上記缶飲料容器の缶蓋および胴部を被覆するカバ 一部とを備え、 上記外周部を上記缶飲料容器の卷締部の下方に装着する ことにより該缶飲料容器の上面全周がシール面部で水密的に被覆される とともに、 上記カバー部が上記キャップ本体部を装着した状態の上記缶 飲料容器の缶蓋およぴ胴部を被覆してなるとを特徴とするものである。  A fourth modification of the present invention is a cap provided around a can lid of a can-drink container for storing beverages, which is formed in a film shape while having elasticity, and is provided with an upper surface of the can-drink container. A cap body comprising a sealing surface portion to be covered, an outer peripheral portion comprising an outer periphery of the sealing surface portion made of an elastic material having elasticity, and a cover covering the can lid and body of the canned beverage container. By mounting the outer peripheral portion below the winding portion of the canned beverage container, the entire periphery of the upper surface of the canned beverage container is watertightly covered with a sealing surface portion, and the cover portion is The present invention is characterized in that the can lid and the body of the canned beverage container with the cap body attached are covered.
この変形例においても、 シール面部および外周部は、 ポリスチレンま たはポリプロピレンを一体的に射出成形してなり、 上記シール面部は肉 厚 0 . 4 mm以下であり、 上記外周部は肉厚 0 . 5 mm以上である構成 とすることにより、 シール面部は十分な柔軟性および伸縮性を有し、 外 周部は十分な弾性力を有することとなる。 また、 同様に、 キャップ本体 の外周部端縁から突出する少なくとも 1つの舌片部を設ける構成とする ことにより、 キャップの着脱を容易にしている。  Also in this modification, the sealing surface and the outer peripheral portion are integrally injection-molded with polystyrene or polypropylene, the sealing surface has a thickness of 0.4 mm or less, and the outer peripheral has a thickness of 0.4 mm. With a configuration of 5 mm or more, the sealing surface portion has sufficient flexibility and elasticity, and the outer peripheral portion has sufficient elastic force. Similarly, the cap is easily attached and detached by providing at least one tongue piece protruding from the outer peripheral edge of the cap body.
上記変形例においては、 力パー部を取り除けばキヤップ本体 (本発明 の缶飲料用キャップ) のみが残存するから、 上記カバー部の端縁の一部 から適宜方向にミシン目が形成されることによって、 カバー部の破断を 容易にし、 しかも、 このミシン目の近傍において上記カバー部の端縁か ら突出する舌片部が構成されることによって、 この舌片部によりカバー 部の破断作業をなすことができる。 In the above-described modification, since the cap body (the canned beverage cap of the present invention) only remains after the force-par portion is removed, a perforation is formed in an appropriate direction from a part of the edge of the cover portion. The cover is easily broken, and the tongue protruding from the edge of the cover in the vicinity of the perforation is formed. The part can be broken.
上記の発明によれば、 出荷時において缶飲料容器の上面を被覆するこ とができることから、 流通過程において、 上面に構成される溝部へのゴ ミまたは埃等の侵入を防止できる。 また、 密着部を設けることにより、 缶飲料容器の胴部のうち、 消費者が直接口を接触することが予想される 部分をも被覆することができ、 流通業者、 販売店員または一般客が缶飲 料容器の上面に触れたとしても、衛生的な缶飲料を提供できる。 さらに、 上記缶飲料用キャップの存在により、 または、 上記密着部が取り除かれ ていないことを確認することにより、 缶飲料が流通する段階で、 異物が 混入されていないか否かを一瞥して判断することが可能となり、 流通過 程における衛生管理を行うことに資するものである。  According to the above invention, since the upper surface of the canned beverage container can be covered at the time of shipment, it is possible to prevent intrusion of dust, dust, or the like into the groove formed on the upper surface during the distribution process. In addition, by providing the close contact part, it is possible to cover the part of the body of the canned beverage container where consumers are expected to come into direct contact with the mouth, so that distributors, sales clerks, or general customers can cover the part. Even if the upper surface of the beverage container is touched, a sanitary can beverage can be provided. In addition, at a glance, at the stage of distribution of canned beverages, it is possible to determine at a glance whether or not foreign matter has been mixed in by the presence of the canned beverage cap or by confirming that the close contact portion has not been removed. This will contribute to hygiene management during the flow.
また、 缶飲料用キャップのシール面部および外周部が伸縮する構成で あることから、 着脱を繰り返すことができるものである。 従って、 缶飲 料容器内に飲料が残存する状態において、 上記缶飲料用キャップを装着 することにより衛生的な保存をすることができ、 しかも、 シール面部が 缶飲料容器の上面全周を水密的に被覆することができるため、 残存する 飲料が外部に零れ出ることを抑制することができるものである。  Further, since the sealing surface portion and the outer peripheral portion of the canned beverage cap are configured to expand and contract, attachment and detachment can be repeated. Therefore, in the state where the beverage remains in the canned beverage container, the canned beverage can be stored in a hygienic manner by attaching the above-mentioned canned beverage cap, and the sealing surface portion is made watertight over the entire upper surface of the canned beverage container. Therefore, the remaining beverage can be prevented from spilling to the outside.
さらに、 上述のとおり、 缶飲料用キャップの外周部が伸縮可能である ため、 卷締部の下部に当該外周部を装着するとき、 その外周部の収縮力 によって容易に離脱しないこととなり、 上記装着を確実にすることがで きるとともに、缶飲料容器の上面の口径が微妙に異なる場合であっても、 上記外周部の収縮力によって上記差異を吸収させることができるもので ある。 この場合、 シール面部においても適度に収縮することにより、 当 該シール面部が缶飲料容器の上面全周を被覆する状態に異なることがな い。 しかも、 ステイオンタイプのプルタブを有する缶飲料では、 開栓後 に、 上記プルタブ上部が上方に位置することもあるが、 上記シール面部 が引き延ばされて、 略テント型に変形されるものの、 上記被覆状態が変 化することはない。 図面の簡単な説明 Further, as described above, since the outer peripheral portion of the canned beverage cap is expandable and contractible, when the outer peripheral portion is attached to the lower portion of the tightened portion, the cap does not easily come off due to the contraction force of the outer peripheral portion. And the difference can be absorbed by the contraction force of the outer peripheral portion even when the diameter of the upper surface of the canned beverage container is slightly different. In this case, even when the sealing surface portion is appropriately shrunk, there is no difference in the state where the sealing surface portion covers the entire upper surface of the canned beverage container. Moreover, in a canned beverage having a stay-on type pull tab, the upper portion of the pull tab may be located upward after opening, but the sealing surface portion Is stretched and deformed into a substantially tent shape, but the covering state does not change. BRIEF DESCRIPTION OF THE FIGURES
第 1図は、 本発明の第 1の実施形態を示す説明図である。 第 2図は、 第 1の実施形態の使用態様を示す説明図である。 第 3図は、 第 1の実施形 態の飲料用キャップを製造する際の態様を示す斜視図である。第 4図は、 本発明を使用する缶飲料容器の断面図であり、 第 4図 (a ) はタイプ 1 の缶飲料容器であり、 第 4図 (b ) はタイプ 2の缶飲料容器である。 第 5図は、 タイプ 2の缶飲料容器に第 1の実施形態を使用した状態を示す 断面図である。 第 6図は、 第 1の実施形態における周辺部の形状を変化 させた形態の説明図である。 第 7図は、 第 1の実施形態の使用状態を示 す断面図である。 第 8図は、 第 1の実施形態を使用した場合の積み上げ 状態を示す断面図である。 第 9図は、 第 1の実施形態の変形例を示す説 明図である。 第 1 0図は、 上記変形例の使用態様を示す説明図である。 第 1 1図は、本発明の第 2の実施形態を示す説明図である。第 1 2図は、 第 2の実施形態の変形例を示す説明図である。 第 1 3図は、 第 2の実施 形態をさらに変形した例を示す説明図である。 第 1 4図は、 本発明の第 3の実施形態を示す説明図である。 第 1 5図は、 第 3の実施形態の変形 例を示す説明図である。 発明を実施するための最良の形態 FIG. 1 is an explanatory diagram showing a first embodiment of the present invention. FIG. 2 is an explanatory diagram showing a use mode of the first embodiment. FIG. 3 is a perspective view showing an embodiment of manufacturing the beverage cap of the first embodiment. FIG. 4 is a sectional view of a canned beverage container using the present invention. FIG. 4 (a) is a type 1 canned beverage container, and FIG. 4 (b) is a type 2 canned beverage container. . FIG. 5 is a cross-sectional view showing a state where the first embodiment is used for a type-2 canned beverage container. FIG. 6 is an explanatory diagram of an embodiment in which the shape of the peripheral portion in the first embodiment is changed. FIG. 7 is a cross-sectional view showing a use state of the first embodiment. FIG. 8 is a cross-sectional view showing a stacked state when the first embodiment is used. FIG. 9 is an explanatory diagram showing a modification of the first embodiment. FIG. 10 is an explanatory diagram showing a use mode of the above modification. FIG. 11 is an explanatory diagram showing a second embodiment of the present invention. FIG. 12 is an explanatory diagram showing a modification of the second embodiment. FIG. 13 is an explanatory diagram showing an example in which the second embodiment is further modified. FIG. 14 is an explanatory diagram showing a third embodiment of the present invention. FIG. 15 is an explanatory diagram showing a modification of the third embodiment. BEST MODE FOR CARRYING OUT THE INVENTION
第 1図に示されている本発明の実施形態においては、 適宜面積を有す るシール面部 1 1と、 このシール面部 1 1の外周を形成している外周部 1 2とが構成要素とされている。 シール面部 1 1は、 伸縮性を有する材 質で構成されて適度な弾性を有するフィルム状のものであり、 また、 外 周部 1 2も同様に伸縮性を有する弾性材料で構成となっている。 具体的 には、 シール面部 1 1としては、 ポリスチレンまたはポリプロピレンを 射出成形により一体的に構成し、 シール面部 1 1を薄肉にする一方で、 外周部 1 2を厚肉にするものである。 そして、 シール面部 1 1の肉厚を 0 . 4 mm以下とした場合、程良い柔軟性と伸縮性を得ることができた。 0 . 3 mm〜0 . 4 m mが強度もあり好適であるが、 柔軟性を重視する 場合は、 0 . 3 mm未満にすることで容易である。 シール面部 1 1の伸 縮性は、 縦方向おょぴ横方向に自在に伸縮するものであり、 外周部 1 2 の面積比で 1 : 1 . 3以上に伸縮されるものである。 従って、 直径の伸 縮比に換算すれば、 1 : 1 . 1 4であり、 日本国内で流通している小径 のコーヒー飲料用缶容器の上部直径は 5 2 mmであるから、 シール面部 1 1の直径が 4 6 mm以上であれば、 この種の缶容器に使用できる。 な お、上記コーヒー飲料用缶容器に装着した態様は第 2図に示されている。 一方、 外周部 1 2は円環状にするとともに、 肉厚を 0 . 5 mm以上と することにより、伸縮が可能なうえ、十分な弾性力を得ることができた。 外周部 1 2の円環は、 シール面部 1 1に対して均等に作用することとな り、 断面円形の缶飲料容器に好適である。 また、 シール面部 1 1をポリ スチレンまたはポリプロピレンにより 0 . 1 mm〜 0 . 4 mmとすれば、 程良い柔軟性を有しつつ全体形状の型くずれがなく、 原形を維持させる ことができる。 In the embodiment of the present invention shown in FIG. 1, a sealing surface portion 11 having an appropriate area and an outer peripheral portion 12 forming an outer periphery of the sealing surface portion 11 are constituent elements. ing. The sealing surface 11 is made of a material having elasticity and is in the form of a film having appropriate elasticity. Similarly, the peripheral portion 12 is made of an elastic material having elasticity. Specifically, the sealing surface 11 is made of polystyrene or polypropylene integrally by injection molding, and the sealing surface 11 is made thinner while the outer peripheral portion 12 is made thicker. When the thickness of the sealing surface 11 was 0.4 mm or less, moderate flexibility and elasticity could be obtained. 0.3 mm to 0.4 mm is preferable because of its strength, but if flexibility is important, it can be easily set to less than 0.3 mm. The extensibility of the sealing surface portion 11 is such that it can freely expand and contract in the vertical and horizontal directions, and expands and contracts in an area ratio of the outer peripheral portion 12 of 1: 1.3 or more. Therefore, when converted into the diameter expansion ratio, the ratio is 1: 1.14. Since the upper diameter of the small-diameter canister for coffee drinks distributed in Japan is 52 mm, the sealing surface 11 1 If the diameter is more than 46 mm, it can be used for this kind of can. FIG. 2 shows an embodiment in which the above-mentioned coffee beverage can container is mounted. On the other hand, by making the outer peripheral portion 12 annular and making the wall thickness 0.5 mm or more, it was possible to expand and contract and obtain a sufficient elastic force. The ring of the outer peripheral portion 12 acts uniformly on the sealing surface portion 11, and is suitable for a canned beverage container having a circular cross section. Further, if the sealing surface 11 is made of polystyrene or polypropylene with a thickness of 0.1 mm to 0.4 mm, the original shape can be maintained without destruction of the whole shape while having moderate flexibility.
上記ポリスチレンまたはポリプロピレンを使用した缶飲料用キャップ は、 1 2 0 ° Cの環境下で放置した場合であっても材料の柔軟性、 伸縮 性おょぴ弾性力に変化がなかった。 従って、 これらの材料を使用した飲 料用キャップは、 温かい飲料用の容器にも使用可能である。 当然のこと ながら、 上記材料による缶飲料用キャップは、 0 ° C以下の環境下にお いても柔軟性等に変化がないため、 冷たい飲料用として使用することが できる。 なお、 上記に示したポリスチレンまたはポリプロピレンに代わ る材料としては、 ポリオレフィンを挙げることができる。 The canned beverage cap using the above-mentioned polystyrene or polypropylene had no change in the flexibility and elasticity of the material even when left in an environment of 120 ° C. Therefore, beverage caps using these materials can also be used for hot beverage containers. Naturally, canned beverage caps made of the above materials have no change in flexibility or the like even under an environment of 0 ° C or less, and therefore can be used for cold beverages. it can. As an alternative to the above-mentioned polystyrene or polypropylene, polyolefin can be mentioned.
上記の実施形態により、 缶容器 2 0の上面を被覆するためには、 外周 部 1 2を卷締部 2 1の下方に形成される凹部 2 2に掛止するようにして 使用するものである。 外周部 1 2は、 円環状であり十分な弾性力を有す るため、 この外周部 1 2を引き伸ばして円環の径を拡大させることによ つて卷締部 2 1に装着できることができ、 同時に、 シール面部 1 1が拡 大して上記円環の径の拡大に応じて伸張されるものである。 そして、 外 周部 1 2が缶容器 2 0の卷締部 2 1の下方の凹部 2 2に係止されること により、 外周部 1 2の弾性力によって、 また、 凹部 2 2による掛止によ つて、 缶飲料用キャップ 1 0が安定して缶容器 2 0に装着される。 この ように装着されたとき、 シール面部 1 1の表面を缶飲料容器 2 0の卷締 部 2 1の上端に当接させることにより、 缶飲料容器 2 0の上面を水密的 に被覆することができるものである。 なお、 上記のように被覆した態様 は第 2図に示されている。  According to the above embodiment, in order to cover the upper surface of the can 20, the outer peripheral portion 12 is used so as to be hooked on the concave portion 22 formed below the winding portion 21. . Since the outer peripheral portion 12 is annular and has a sufficient elastic force, the outer peripheral portion 12 can be attached to the winding portion 21 by stretching the outer peripheral portion 12 to enlarge the diameter of the annular ring. At the same time, the sealing face portion 11 expands and expands in accordance with the increase in the diameter of the ring. The outer peripheral portion 12 is locked by the concave portion 22 below the winding portion 21 of the can 20, so that the outer peripheral portion 12 can be locked by the elastic force of the outer peripheral portion 12, and can be locked by the concave portion 22. Thus, the canned beverage cap 10 is stably attached to the canned container 20. When mounted in such a manner, the upper surface of the canned beverage container 20 can be water-tightly covered by bringing the surface of the sealing surface 11 into contact with the upper end of the winding portion 21 of the canned beverage container 20. You can do it. In addition, the aspect coated as described above is shown in FIG.
第 3図に示す形態のシール面部 1 1および外周部 1 2は、 上記形態の 製造方法を異ならせて製造したものであり、 シール面部 1 1の外周縁に 沿って外周部 1 2を積層させることによって一体的に構成させたもので ある。 この場合、 シール面部 1 1の弾性率と外周部 1 2の弾性率を変化 させることができ、 缶飲料用キャップ 1 0を装着する缶飲料容器の大き さや種類等に応じて適宜伸縮状態の調整が可能となるものである。 そし て、 シール面部 1 1に使用されるポリスチレンまたはポリプロピレンを 著しく薄肉にすることにより、 非常に柔軟なフィルム状とすることがで きるのである。 また、 上記構成とする場合には、 合成ゴム等のゴム製材 料を薄く引き延ばしてフィルム状に構成したものをシール面部 1 1 と し、 輪ゴム状のゴム製材料を外周部 1 2として、 それぞれ構成し、 これ らを接着して一体化することにより、 同種の機能を発揮させることも可 能である。 The seal face portion 11 and the outer peripheral portion 12 of the embodiment shown in FIG. 3 are manufactured by differentiating the manufacturing method of the above embodiment, and the outer peripheral portion 12 is laminated along the outer peripheral edge of the seal surface portion 11. Thus, they are integrally configured. In this case, the elastic modulus of the sealing surface portion 11 and the elastic modulus of the outer peripheral portion 12 can be changed, and the expansion and contraction state can be appropriately adjusted according to the size and type of the canned beverage container to which the canned beverage cap 10 is attached. Is possible. By making the polystyrene or polypropylene used for the sealing surface portion 11 extremely thin, a very flexible film can be obtained. In the case of the above configuration, a rubber material such as a synthetic rubber is thinly stretched and formed into a film shape, and the sealing surface portion 11 is used, and a rubber-like rubber material is used as the outer peripheral portion 12. And this By bonding them together and integrating them, it is also possible to exert the same kind of function.
ここで、 上記実施形態を利用する击飲料容器 2 0について説明をすれ ば、 缶飲料容器 2 0の卷締部 2 1は、 胴部 2 2と缶蓋 2 3とを一体的に 接合するための部分であつ C、 胴部 2 2および缶蓋 2 3の端縁が相互に 積層される構成であるため、 胴部 2 2よりも外方横向きに突出した状態 となっている。 第 4図 (a ) はタイプ 1の缶飲料容器であり、 日本国内 に流通しているコーヒー飲料の多くに使用されている。 第 4図 (b ) は タイプ 2の缶飲料容器であり、 日本国内において緑茶、 紅茶またはジュ ース等の飲料用として広く採用されている。 いずれのタイプも胴部 2 2 と缶蓋 2 3の接合部分には卷締部 2 1が形成されている。  Here, the beverage container 20 utilizing the above-described embodiment will be described. The winding portion 21 of the canned beverage container 20 is used for integrally joining the body portion 22 and the can lid 23. In the portion C, the edge of the body 22 and the can lid 23 are configured to be stacked on each other, so that they protrude laterally outward from the body 22. Fig. 4 (a) shows a type 1 canned beverage container, which is used for many coffee beverages distributed in Japan. Fig. 4 (b) shows a type 2 canned beverage container, which is widely used in Japan for beverages such as green tea, black tea or juice. In each case, a winding portion 21 is formed at the joint between the body 22 and the can lid 23.
従って、 この卷締部 2 1の下部には、 当該卷締部 2 1と胴部 2 2との 隙間が凹状になっている。 そこで、 この凹状部分に上記外周部 1 2を装 着するとき、卷締部 2 1に外周部 1 2が掛止される状態となるのである。 上記凹状部分は、 缶飲料容器 2 0の全周に構成される環状の凹部である ため、 外周部 1 2の全周が上記環状凹部によって掛止されることとなる のである。この掛止の状態は、外周部 1 2の収縮力により左右されるが、 缶飲料用キャップ 1 0が容易に離脱しない程度の収縮力を得るために は、 ゴム製材料その他の弾性材料による弾性力の程度でも足りるもので ある。 なお、 タイプ 1の缶飲料容器に缶飲料用キャップ 1 0を装着した 態様は第 2図に、 タイプ 2の缶飲料容器に缶飲料用キャップ 1 0を装着 した態様は第 5図に示されている。  Accordingly, a gap between the winding portion 21 and the body portion 22 is concave below the winding portion 21. Thus, when the outer peripheral portion 12 is mounted on the concave portion, the outer peripheral portion 12 is hooked on the winding portion 21. Since the concave portion is an annular concave portion formed on the entire periphery of the canned beverage container 20, the entire peripheral portion 12 is locked by the annular concave portion. The state of the locking depends on the contraction force of the outer peripheral portion 12, but in order to obtain a contraction force of such a degree that the canned beverage cap 10 does not easily come off, the elasticity of a rubber material or other elastic material is required. A degree of power is sufficient. FIG. 2 shows an embodiment in which the can-drink container 10 is attached to the type 1 can-drink container, and FIG. 5 shows an embodiment in which the can-drink container 10 is attached to the type 2 can-drink container. I have.
上記のような缶飲料容器の構造を利用する場合、 外周部 1 2の形状は 種々の形態とすることができる。 このような変形例が第 6図に示されて いる。 この種の形態では、 外周部 1 2の先端縁から内側に向けて鉤状を 形成する構成としたもの、 外周部 1 2を断面半円形状としたもの、 外周 部 1 2を断面円形としたもの、 さらに、 外周部 1 2に断面四辺形状の輪 ゴムを積層したものである。 これらいずれの態様であっても、 外周部 1 2が、 缶飲料容器 2 0の卷締部 2 1の下方の凹部 2 2に装着されること により、 外周部 1 2の弾性力により掛止され得るものである。 When using the structure of the canned beverage container as described above, the shape of the outer peripheral portion 12 can be various forms. Such a modification is shown in FIG. In this type of configuration, a hook-shaped configuration is formed inward from the tip edge of the outer peripheral portion 12, a semicircular cross-sectional shape of the outer peripheral portion 12, The part 12 has a circular cross-section, and a rubber band having a quadrangular cross-section is laminated on the outer peripheral part 12. In any of these modes, the outer peripheral portion 12 is hooked by the elastic force of the outer peripheral portion 12 by being attached to the concave portion 22 below the winding portion 21 of the canned beverage container 20. What you get.
上記実施形態では、 缶飲料の出荷時において缶飲料容器 2 0の上面に 缶飲料用キャップ 1 0を装着することにより、 上面に形成される溝部 2 4をも含めて被覆することができ、 流通過程においてゴミゃ埃が上記溝 部 2 4に侵入することを防ぐことができる。 また、 購入後に消費者が上 記缶飲料用キャップ 1 0を取り外した場合、 この缶飲料用キャップ 1 0 を再び缶飲料用容器 2 0の上面を被覆しつつ装着することができるの で、 缶飲料容器 2 0に飲料が残存する状態において、 上記缶飲料用キヤ ップ 1 0の装着により、 衛生的に保管することができるとともに、 この 缶飲料用キャップ 1 0のシール面部 1 1が、 卷締部 2 1の全周を水密的 に当接するため、 持ち運びの際の揺れ等によって、 缶飲料容器 2 0の開 口部 2 5から飲料が零れたときであっても、 缶飲料用キャップ 1 0から 外方に漏れ出すことを抑制できるものである。  In the above embodiment, when the canned beverage is shipped, the canned beverage container 20 is fitted with the canned beverage cap 10 on the upper surface so that the canned beverage can be covered including the groove 24 formed on the upper surface. In the process, dust and dirt can be prevented from entering the groove 24. Also, if the consumer removes the canned beverage cap 10 after purchase, the canned beverage cap 10 can be attached again while covering the upper surface of the canned beverage container 20. With the beverage remaining in the beverage container 20, the can beverage can be stored in a sanitary manner by installing the can beverage cap 10, and the sealing surface 11 of the can beverage cap 10 is rolled up. Since the entire circumference of the tightening portion 21 abuts in a watertight manner, even when the beverage spills from the opening 25 of the canned beverage container 20 due to shaking during carrying, etc., the canned beverage cap 1 It is possible to suppress leakage from 0 to the outside.
なお、ステイオンタイプのプルタブ 2 6を有する缶飲料容器 2 0では、 開栓のために引き上げたプルタブの上端が、 缶飲料容器 2 0の卷締部 2 1の上端縁よりも上方に位置する場合があるものの、 この場合であって も、 缶飲料用キャップ 1 0のシール面部 1 1は伸縮性を有するため、 こ のプルタブ 2 6によって僅かに引き延ばされることとなるものである。 即ち、 シール面部 1 1が略テント型を形成することとなるので、 缶飲料 用キャップ 1 0の装着には支障ないものである。 上記の態様は第 7図に 示されている。  In addition, in the canned beverage container 20 having the stay-on type pull tab 26, the upper end of the pulltab pulled up for opening is located above the upper end edge of the winding portion 21 of the canned beverage container 20. In some cases, even in this case, the sealing surface 11 of the canned beverage cap 10 has elasticity, so that it is slightly elongated by the pull tab 26. That is, since the sealing surface portion 11 forms a substantially tent shape, it does not hinder the mounting of the canned beverage cap 10. The above embodiment is shown in FIG.
そして、 上記のような缶飲料用キャップ 1 0は、 ポリスチレンまたは ポリプロピレンを使用しているため、 缶飲料容器 2 0の口径が異なる場 合であっても、 十分に対応し得るものである。 つまり、 同種他メーカー の缶飲料容器では、数 mmの差異が生じるものであるが、前述のとおり、 シール面部 1 1の伸縮率が直径比で 1 : 1 . 1 4である場合、 5 0 m m φ直径のシール面部 1 1が、 5 7 mmまで伸張することになるから、 2 〜 3 m m程度の差異を有する同種他メーカーの缶飲料容器にも使用でき る。 また、 シール面部 1 1の肉厚を一層薄くすれば、 この伸び率は向上 するから、 同種他メーカ一の缶飲料容器に使用する可能性がある場合に は、 予めシール面部 1 1の肉厚を調整することによって、 種々の缶飲料 容器に対応できる。 And since the canned beverage cap 10 as described above uses polystyrene or polypropylene, if the caliber of the canned beverage container 20 is different, Even if it is, it can respond sufficiently. In other words, can beverage containers of the same kind and other manufacturers have a difference of several mm, but as described above, if the expansion ratio of the sealing surface 11 is 1: 1.14 in diameter ratio, 50 mm Since the sealing surface 11 having a diameter of φ extends to 57 mm, it can be used for canned beverage containers of other manufacturers of the same kind having a difference of about 2 to 3 mm. In addition, if the thickness of the sealing face 11 is further reduced, the elongation rate is improved.If there is a possibility that the sealing face 11 may be used for a canned beverage container of another manufacturer of the same kind, the thickness of the sealing face 11 is determined in advance. By adjusting the size, various canned beverage containers can be handled.
さらに、 シール面部 1 1および外周部 1 2は伸縮性を有するものであ るから、 缶飲料容器 2 0の上面への着脱を複数回繰り返すことができる ものである。 ただし、 缶飲料を飲用する場合は、 全部を飲み終えた時点 で廃棄されることから、 上記缶飲料用キャップ 1 0の使用は、 数回程度 の着脱を繰り返すことで、その目的を達成することができる。そのため、 シール面部 1 1を比較的薄肉に構成することが可能となり、 このような 構成から、 材料の節減を計ることができるものである。 また、 シール面 部 1 1および外周部 1 2の伸縮機能についても、 数回程度の着脱に十分 な伸縮性を保持させることで目的を達成し得る。 なお、 出荷時に上記缶 飲料用キャップ 1 0が装着されない缶飲料について使用され、 かつ、 携 帯用の缶飲料用キャップ 1 0として利用する場合は、 多数回の着脱を繰 り返すことができる程度の材質を使用して構成しなければならないこと は当然である。  Further, since the sealing surface portion 11 and the outer peripheral portion 12 have elasticity, attachment and detachment to the upper surface of the canned beverage container 20 can be repeated a plurality of times. However, if you drink canned beverages, they will be discarded when you have completely consumed them.Therefore, the use of the canned beverage cap 10 should be achieved by repeating attachment and detachment several times. Can be. Therefore, it is possible to make the sealing surface portion 11 relatively thin, and it is possible to save material by such a configuration. In addition, the purpose of the expansion and contraction function of the sealing surface 11 and the outer peripheral portion 12 can be achieved by maintaining sufficient elasticity for several times of attachment and detachment. When used for canned beverages without the canned beverage cap 10 at the time of shipment, and when used as a portable canned beverage cap 10, it can be repeatedly attached and detached many times. Naturally, it must be constructed by using the above materials.
また、 缶飲料の梱包または流通方法等によっては、 缶飲料を上下に重 ねる場合がある。 このような場合、 シール面部 1 1が適当な伸縮性を有 することによって、 シール面部 1 1が容易に変形して上記重ね合わせを 可能にする。 この態様は、 第 8図に示されている。 上位の缶飲料 2 0 a の底部が、 下位の缶飲料 2 0 bの上面に係合するとき、 両者 2 0 a, 2 O bの中間でシール面部 1 1が変形するのである。 このような変形を可 能にするため、 ポリスチレンまたはポリプロピレンは、 0 . 2 mm以下 の肉厚とすることができる。 十分な柔軟性を得ることができるからであ る。 Depending on the method of packaging or distributing canned beverages, the canned beverages may be stacked vertically. In such a case, the sealing surface portion 11 has appropriate elasticity, so that the sealing surface portion 11 is easily deformed to enable the above-described superposition. This embodiment is shown in FIG. Top canned beverages 2 0 a When the bottom portion of the seal engages the upper surface of the lower canned beverage 20b, the sealing surface portion 11 is deformed in the middle between the two cans 20a and 2Ob. To allow for such deformation, polystyrene or polypropylene may have a wall thickness of 0.2 mm or less. This is because sufficient flexibility can be obtained.
次に、 上記実施形態の変形例について説明する。 この変形例は、 缶飲 料用キャップ 1 0の外周部 1 2の端縁から外方に突出する舌片部 1 7, 1 8が設けられている。 この変形例は第 9図に示されている。 そして、 上記の舌片部 1 7, 1 8は、 外周部 1 2の外方に突出していれば、 横方 向であっても、 缶飲料容器の底面に向かった方向であってもよく、 外周 部 1 2とは別に指で挟むことができる状態とするように十分な面積を有 して構成されているものである。  Next, a modified example of the above embodiment will be described. In this modified example, tongue pieces 17 and 18 projecting outward from the edge of the outer peripheral portion 12 of the canned beverage cap 10 are provided. This variant is shown in FIG. The tongue pieces 17 and 18 may be in the horizontal direction or in the direction toward the bottom of the canned beverage container as long as they protrude outward from the outer peripheral part 12. It has a sufficient area so that it can be pinched by a finger separately from the outer peripheral portion 12.
上記の変形例の使用態様は第 1 0図に示されている。 上記変形例を使 用する場合は、舌片部 1 7, 1 8を指で挟みながら引っ張ることにより、 外周部 1 2を缶飲料容器の上面の縁部に掛止させながら、 当該外周部 1 2の円環を拡大させることができ、 缶飲料容器 2 0への装着が容易とな る。 また、 既に装着された状態から缶飲料用キャップ 1 0を取り外す場 合にも舌片部 1 7, 1 8の一方を引っ張ることにより、 外周部 1 2を容 易に拡大させることができるので、 これを取り外すことが容易となる。 次に、 第 2の実施形態について説明する。 この実施形態は第 1 1図に 示されている。 この実施形態によれば、 上記第 1の実施形態における外 周部 1 2に連続する密着部 1 3を備えたものであって、 この密着部 1 3 は、 フィルム状に構成されており、 缶飲料用キャップ 1 0を缶飲料容器 2 0に装着するとき、 缶飲料容器 2 0の胴部 2 2の表面に密着させるも のである。この密着部 1 3は、外周部 1 2に連続して構成されているが、 この外周部 1 2との境界にミシン目 1 4が形成されており、 このミシン 目 1 4に沿って切断することにより、 密着部 1 3から外周部 1 3が離脱 することとなる。 この密着部 1 3の離脱により、 第 1の実施形態で示し た缶飲料用キヤップ 1 0を構成することができるものである。 The use of the above variant is shown in FIG. In the case of using the above modified example, the tongue pieces 17 and 18 are pulled while being pinched by fingers, so that the outer peripheral portion 12 is hooked on the edge of the upper surface of the canned beverage container, and The ring of No. 2 can be enlarged, so that it can be easily mounted on the canned beverage container 20. Also, when the canned beverage cap 10 is to be removed from the state already attached, the outer peripheral portion 12 can be easily enlarged by pulling one of the tongue pieces 17 and 18. It becomes easy to remove this. Next, a second embodiment will be described. This embodiment is shown in FIG. According to this embodiment, the outer peripheral portion 12 of the first embodiment is provided with a contact portion 13 which is continuous with the outer peripheral portion 12, and the contact portion 13 is formed in a film shape. When the beverage cap 10 is attached to the canned beverage container 20, it is brought into close contact with the surface of the body 22 of the canned beverage container 20. The contact portion 13 is formed continuously with the outer peripheral portion 12, and a perforation 14 is formed at the boundary with the outer peripheral portion 12, By cutting along the eye 14, the outer peripheral portion 13 is separated from the contact portion 13. With the detachment of the contact portion 13, the canned beverage cap 10 shown in the first embodiment can be formed.
従って、 缶飲料用キャップ 1 0は、 缶飲料容器 2 0の上面および卷締 部 2 1の周辺を被覆することができ、 密着部 1 3は、 上記缶飲料用キヤ ップ 1 0に連続しつつ缶飲料容器 2 0の胴部 2 2を被覆することができ るものである。 この胴部 2 2の被覆は、 缶飲料用キャップ 1 0の卷締部 2 1に連続する個所であるため、 缶飲料容器 2 0の開口部 2 5の付近で は、 口が接触する可能性のある範囲を被覆するものである。  Therefore, the canned beverage cap 10 can cover the upper surface of the canned beverage container 20 and the periphery of the rolled portion 21, and the close contact portion 13 is continuous with the canned beverage cap 10. While covering the body 22 of the canned beverage container 20. Since the coating of the body 22 is a portion that is continuous to the winding portion 21 of the canned beverage cap 10, there is a possibility that the mouth may come into contact with the vicinity of the opening 25 of the canned beverage container 20. To cover a certain area.
そして、 缶飲料用キャップ 1 0の開放は、 まず、 外周部 1 2と密着部 Opening of the canned beverage cap 10 is performed by first contacting the outer peripheral portion 12 with the close contact portion.
1 3とをミシン目 1 4に沿って切断することにより、 缶飲料用キャップ 1 0を独立させて、 当該缶飲料用キャップ 1 0のみを単独で缶飲料用容 器 2 0から離脱させることにより可能である。 即ち、 缶飲料用キャップ 1 0の外周部 1 2の伸縮を利用して、 缶飲料容器 2 0の卷締部 2 1の下 部から当該外周部 1 2を離脱させることにより、 缶飲料用キャップ 1 0 を取り外すことが可能となるのである。 なお、 ミシン目 1 4の切断を容 易にするため、、 密着部 1 3のみを熱風等により加熱して硬化させるこ とも可能である。 By cutting 13 and 13 along perforations 14, the canned beverage cap 10 is made independent, and the canned beverage cap 10 alone is separated from the canned beverage container 20 alone. It is possible. That is, by utilizing the expansion and contraction of the outer peripheral portion 12 of the can beverage cap 10, the outer peripheral portion 12 is detached from the lower portion of the rolled portion 21 of the can beverage container 20, whereby the can beverage cap is obtained. It is possible to remove 10. In order to facilitate the cutting of the perforations 14, it is also possible to heat and harden only the contact portion 13 with hot air or the like.
また、 上記ミシン目 1 4に連続する第二のミシン目 1 5を密着部 1 3 の端縁に至る範囲に設けることにより、 密着部 1 3を缶飲料容器 2 0の 表面から取り除くことができる。 この場合、 密着部 1 3の端縁から突出 する舌片部 1 6を設けることにより、 第二のミシン目 1 5の切断位置お よび切断方法を知らせることができる。  Further, by providing the second perforation 15 continuing to the perforation 14 in the range reaching the edge of the close contact portion 13, the close contact portion 13 can be removed from the surface of the canned beverage container 20. . In this case, by providing the tongue piece 16 protruding from the edge of the contact portion 13, the cutting position and the cutting method of the second perforation 15 can be notified.
なお、上記第 2の実施形態は、缶飲料の出荷時に装着することにより、 流通経路における缶飲料容器 2 0の上面への埃等の侵入を防止すること ができるとともに、 販売店等における店員や一般客等が缶飲料容器 2 0 の開口部 2 5の付近に触れたとしても、 雑菌等が付着する恐れがなく衛 生的である。 また、 密着部 1 3を離脱させた残りの部分は、 第 1の実施 形態の缶飲料用キヤップ 1 0と同様であるから、開栓のために取り外し、 また、 開栓後に缶飲料容器 2 0の上面を被覆するために装着することが 可能である。 The second embodiment can prevent dust and the like from entering the upper surface of the canned beverage container 20 in the distribution channel by installing the canned beverage at the time of shipping, and can also prevent a salesperson or the like at a sales outlet or the like. General customers, etc. can drink containers 2 0 Even if it touches the vicinity of the opening 25, there is no danger of bacteria and the like adhering to it, and it is sanitary. The remaining portion from which the contact portion 13 has been detached is the same as the canned beverage cap 10 of the first embodiment, and thus is removed for opening, and after opening, the canned beverage container 20 is opened. It can be installed to cover the upper surface of the device.
上記の第 2の実施形態の変更例としては、 密着部 1 3の端縁部 1 3 a を厚肉に構成して弾性力を持たせたものがある。 この形態は第 1 2図に 示されている。密着部 1 3の端縁は舌片部 1 6を除けば円形となるから、 この端縁部 1 3 aを円環状の厚肉部材で構成しているのである。 このよ うな構成によって、 密着部 1 3が缶飲料容器の表面に密着した状態で全 体を装着できるのである。 さらに、 他の変形例としては、 上記第 2の実 施形態におけるミシン目 1 4が、 缶飲料用キャップ 1 0の外周部 1 2と 密着部 1 3との境界に付加して、 当該切断により舌片部 1 7, 1 8が形 成されるように構成されたものがある。 この形態は第 1 3図に示されて いる。 この変形例の場合、 ミシン目 1 4のほぼ全体が外周部 1 2と密着 部 1 3との境界線に一致するが、 舌片部 1 7, 1 8を構成させるべき位 置には、 密着部 1 3の側を略弧状に切り欠くことができるように、 曲線 部分で構成されている。従って、当該ミシン目 1 4に沿って切断すると、 弧状の曲線部分においては舌片部 1 7, 1 8が構成されるとともに、 周 辺部 1 2と密着部 1 3とを分離させることができるものである。  As a modified example of the above-described second embodiment, there is an example in which the edge portion 13a of the contact portion 13 is configured to be thick to have an elastic force. This configuration is shown in FIG. Since the edge of the contact portion 13 is circular except for the tongue piece 16, the edge 13a is formed of an annular thick member. With such a configuration, the whole can be mounted in a state where the contact portion 13 is in close contact with the surface of the canned beverage container. Further, as another modified example, the perforation 14 in the second embodiment is added to the boundary between the outer peripheral portion 12 of the canned beverage cap 10 and the contact portion 13, and the cutting is performed. Some are configured so that the tongue pieces 17, 18 are formed. This configuration is shown in FIG. In the case of this modified example, almost the entire perforation 14 coincides with the boundary between the outer peripheral portion 12 and the contact portion 13, but the positions where the tongue pieces 17 and 18 should be formed are in close contact. The portion 13 is formed by a curved portion so that the side of the portion 13 can be cut out in a substantially arc shape. Therefore, when cut along the perforation 14, the tongue pieces 17 and 18 are formed in the arcuate curved part, and the peripheral part 12 and the close contact part 13 can be separated. Things.
次に、 第 3の実施形態について説明する。 第 3の実施形態は、 密着部 1 3が缶飲料用キャップ 1 0から独立させた個別の部材として構成され ている。 第 1の実施形態およびその変形例として上述した缶飲料用キヤ ップ 1 0を缶飲料容器 2 0に装着したうえで、 上記缶飲料用キャップ 1 0を含めて密着部 1 3で被覆するように構成することができる。 なお、 この実施形態は第 1 4図に示されている。 上記の第 3の実施形態における密着部 1 3は、 缶飲料用容器 2 0の缶 蓋 2 3および胴部 2 2を同時に被覆できるカバー部として機能し、 缶飲 料用キヤップ 1 0をも含めて垒体を被覆するものである。 このように構 成することにより、 缶飲料容器 2 0に装着された缶飲料用キャップ 1 0 力 流通過程において容易に離脱することがなく、 また、 収容されてい る飲料への安全性が確保されることとなる。 Next, a third embodiment will be described. In the third embodiment, the contact portion 13 is configured as an individual member independent of the canned beverage cap 10. After attaching the canned beverage cap 10 described above as the first embodiment and its modification to the canned beverage container 20, the canned beverage cap 10 including the canned beverage cap 10 is covered with the close contact portion 13. Can be configured. This embodiment is shown in FIG. The contact portion 13 in the third embodiment described above functions as a cover portion that can simultaneously cover the can lid 23 and the body portion 22 of the canned beverage container 20, and includes the canned beverage cap 10. It covers the body. With such a configuration, the canned beverage cap 10 attached to the canned beverage container 20 does not easily come off during the distribution process, and the safety of the contained beverage is ensured. The Rukoto.
また、 上記密着部 (カバー部) 1 3には、 密着部 1 3の端縁から中央 に向かって、 平行な 2本のミシン目 1 4, 1 5が設けられており、 両ミ シン目 1 4, 1 5を同時に切断し、 両ミシン目 1 4, 1 5の中間部分を 除去することにより、 密着部 (カバー部) 1 3のみを離脱させることが できる。 この場合、 密着部 (力パー部) 1 3を取り除いた状態では、 第 1または第 2の実施形態と同様の缶飲料用キャップ 1 0のみが装着され た状態となり、 この缶飲料用キャップ 1 0についての構成等は上述のと おりである。  The contact portion (cover portion) 13 is provided with two parallel perforations 14 and 15 from the edge of the contact portion 13 toward the center. By cutting 4 and 15 at the same time and removing the middle part of both perforations 14 and 15, only the contact part (cover part) 13 can be detached. In this case, in a state in which the close contact portion (force par portion) 13 is removed, only the same can-drink cap 10 as in the first or second embodiment is mounted. The configuration of is as described above.
なお、 この両ミシン目 1 4, 1 5の中間において端縁から突出する舌 片部 1 6を設けることによって、 上記ミシン目 1 4, 1 5の切断を容易 にするものである。 また、 上記ミシン目 1 4, 1 5の切断を容易にする ためには、 密着部 (カバー部) 1 3の材質を硬質にすることができる。 即ち、 少なくとも装着後においては、 伸縮性が小さくなる材質で構成す ることにより、 舌片部 1 6を持って引き上げる際に、 両ミシン目 1 4, 1 5の中間部分が密着部 (カバー部) 1 3をも引き寄せることがなく、 当該中間部分の除去が容易となるのである。この種の密着部(力パー部) 1 3を構成するためには、 熱収縮性を有するシュリンクフィルムを使用 することができる。  By providing a tongue piece 16 projecting from the edge in the middle between the perforations 14 and 15, the perforations 14 and 15 can be easily cut. In order to facilitate the cutting of the perforations 14 and 15, the material of the contact portion (cover portion) 13 can be made hard. In other words, by using a material having a low elasticity at least after mounting, when pulling up with the tongue piece 16, the middle part between both perforations 14 and 15 will be in close contact (cover part). This does not attract 13, so that the intermediate part can be easily removed. In order to form this kind of close contact portion (force par portion) 13, a shrink film having heat shrinkability can be used.
また、 第 3の実施形態の変形例としては、 上記の密着部 (カバー部) Further, as a modified example of the third embodiment, the above-mentioned close contact portion (cover portion)
1 3と缶飲料用キャップ 1 0との位置関係が逆転した構成となってい る。 即ち、 密着部 (カバー部) 1 3を缶飲料容器 2 0の上面から被覆さ せ、 その上に缶飲料用キャップ 1 0を被覆するものである。 この形態は 第 1 5図に示されている。 この形態の場合、 缶飲料用キャップ 1 0を一 且離脱させたうえで、 密着部 (カバー部) 1 3を取り除くことにより、 缶飲料を開栓することができるものである。 このように構成することに より、 密着部 (カバー部) 1 3を缶飲料容器 2 0に装着する際、 第一に 熱収縮材料により缶飲料容器 2 0の上部周辺を被覆することにより、 密 着部(カバー部) 1 3が缶飲料容器 2 0の外形に密着して被覆され得る。 また、 上記密着部 (カバー部) 1 3の被覆に際しては、 ホットメルト接 着剤等を使用して水密的に密着させることも効果的である。 なお、 缶飲 料用キャップ 1 0の外周部 1 2は、 伸縮性を有するものであるため、 上 記密着部 (カバー部) 1 3が密着した状態の缶飲料容器 2 0に重ねて缶 飲料用キャップ 1 0を装着する場合、 缶飲料用キャップ 1 0の周辺部 1 2を缶飲料容器 2 0の卷締部 2 1に掛止させて装着することは可能であ る。 The positional relationship between 13 and the canned beverage cap 10 is reversed. You. That is, the contact portion (cover portion) 13 is covered from the upper surface of the canned beverage container 20, and the canned beverage cap 10 is covered thereon. This configuration is shown in FIG. In this case, the canned beverage can be opened by detaching the canned beverage cap 10 and then removing the close contact portion (cover portion) 13. With this configuration, when the contact portion (cover portion) 13 is attached to the canned beverage container 20, first, the upper periphery of the canned beverage container 20 is covered with a heat-shrinkable material, so that the The attachment portion (cover portion) 13 can be covered in close contact with the outer shape of the canned beverage container 20. When covering the contact portion (cover portion) 13, it is also effective to use a hot-melt adhesive or the like to make the contact in a water-tight manner. Since the outer peripheral portion 12 of the can-drink cap 10 has elasticity, the can-drink container 20 is overlaid on the can-drink container 20 in which the above-mentioned close contact portion (cover portion) 13 is in close contact. When the can cap 10 is attached, the peripheral portion 12 of the can beverage cap 10 can be attached to the canned beverage container 20 by hanging it around the winding portion 21 of the can beverage container 20.
以上のように、 本発明の実施の形態を示したが、 本発明の趣旨に逸脱 しない範囲において種々の態様をとることができる。 例えば、 シール面 部 1 1のうち、 卷締部 2 1の上端に当接するであろう位置に帯状のシー ルフィルムを積層する構成とすることも可能である。 この場合、 ポリエ チレンフィルムにより帯状を形成させ、 これを外周部 1 2よりも内側に 設けることにより、 当該シールフィルムによるシール効果を向上させる ことができるとともに、 缶飲料用キャップ 1 0の表裏判断を容易にする 効果をも得ることができる。  As described above, the embodiments of the present invention have been described, but various modes can be adopted without departing from the spirit of the present invention. For example, it is also possible to adopt a configuration in which a band-shaped seal film is laminated at a position of the seal surface portion 11 that will come into contact with the upper end of the winding portion 21. In this case, by forming a belt-like shape with a polyethylene film and providing this inside the outer peripheral portion 12, the sealing effect of the seal film can be improved, and the front and back of the canned beverage cap 10 can be determined. The effect of facilitation can also be obtained.
なお、 缶飲料容器は、 通常、 収容されている飲料を飲用した後、 廃棄 されるが、 金属製の缶飲料容器は、 溶融して再度金属材料として利用に 供され、 一方の缶飲料用キャップは、 ポリスチレンまたはポリプロピレ ンで構成される場合、 焼却によって水と二酸化炭素に分解されることか ら、 環境に配慮されたものである。 また、 上記各実施形態の材料を生分 解性材料により構成すれば、 分解されないゴミの発生を防止することに 役立つものである。 The canned beverage container is usually discarded after drinking the contained beverage, but the canned beverage container made of metal is melted and reused as a metal material. Is polystyrene or polypropylene If it is composed of carbon dioxide, it is considered environmentally friendly because it is decomposed into water and carbon dioxide by incineration. Further, if the material of each of the above embodiments is made of a biodegradable material, it is useful to prevent generation of undecomposed dust.

Claims

請求の範囲 The scope of the claims
1 飲料を収容する缶飲料容器 (20) の缶蓋 (23) の周辺部に設け られるキャップ (1 0) であって、 伸縮性を有しつつフィルム状に構成 され上記缶飲料容器 (20) の上面を被覆するシール面部 (1 1) と、 伸縮性を有する弾性材料により上記シール面部 (1 1) の外周を構成し てなる外周部 (1 2) とからなり、 上記外周部 (1 2) を上記缶飲料容 器 (20) の卷締部 (2 1) の下方に装着することにより該缶飲料容器 (20) の上面全周がシール面部 (1 1) で水密的に被覆されてなるこ とを特徴とする缶飲料用キャップ。  (1) A cap (10) provided around a can lid (23) of a canned beverage container (20) for storing beverages, the canned beverage container (20) being stretched and formed into a film shape. A sealing surface part (11) covering the upper surface of the sealing surface part, and an outer peripheral part (12) that forms the outer periphery of the sealing surface part (11) with an elastic material having elasticity. ) Is mounted below the closed part (21) of the canned beverage container (20) so that the entire upper surface of the canned beverage container (20) is watertightly covered with the sealing surface part (11). A canned beverage cap characterized in that:
2 前記シール面部 (1 1) および外周部 (1 2) は、 ポリスチレンま たはポリプロピレンを一体的に射出成形してなり、 上記シール面部 (1 1) は肉厚 0. 4mm以下であり、 上記外周部 (1 2) は肉厚 0. 5m m以上である請求項 1記載の缶飲料用キヤップ。 2 The sealing surface (1 1) and the outer peripheral portion (1 2) are made by injection molding polystyrene or polypropylene integrally. The sealing surface (1 1) has a wall thickness of 0.4 mm or less. The cap for canned beverages according to claim 1, wherein the outer peripheral portion (1 2) has a thickness of 0.5 mm or more.
3 前記外周部(1 2)の端縁から突出する少なくとも 1つの舌片部(1 7, 1 8) を設けてなる請求項 1〜2のいずれか 1項に記載の缶飲料用 キャップ。  3. The canned beverage cap according to any one of claims 1 to 2, wherein at least one tongue piece (17, 18) protruding from an edge of the outer peripheral portion (12) is provided.
4 飲料を収容する缶飲料容器 (20) の缶蓋 (23) の周辺部に設け られるキャップ (1 0) であって、 伸縮性を有しつつフィルム状に構成 され上記缶飲料容器 (20) の上面を被覆するシール面部 (1 1) と、 伸縮性を有する弾性材料により上記シール面部の外周を構成してなる外 周部 (1 2) と、 この外周部 (1 2) に連続しつつ上記缶飲料容器 (2 0) の胴部 (2 2) に密着する密着部 (1 3) とからなり、 上記外周部 (1 2) を上記缶飲料容器 (20) の卷締部 (2 1) の下方に装着する ことにより該缶飲料容器 (20) の上面全周がシール面部 (1 1) で水 密的に被覆されてなることを特徴とする缶飲料用キャップ。  4 A cap (10) provided around a can lid (23) of a canned beverage container (20) for storing beverages, the canned beverage container (20) being formed in a film shape while having elasticity. A sealing surface portion (11) covering the upper surface of the sealing surface, an outer peripheral portion (12) comprising an outer periphery of the sealing surface portion made of an elastic material having elasticity, and a continuous outer peripheral portion (12). The canned beverage container (20) comprises a contact portion (13) which is in close contact with the body (22) of the canned beverage container (20). ), Wherein the entire periphery of the upper surface of the canned beverage container (20) is water-tightly covered with a sealing surface portion (11) by being attached below the canned beverage container (20).
5 前記シール面部 (1 1)、 外周部 (1 2) および密着部 (1 3) は、 ポリスチレンまたはポリプロピレンを一体的に射出成形してなり、 上記 シール面部 (1 1) および密着部 (1 3) は肉厚 0. 4 mm以下であり、 上記外周部 (1 2) は肉厚 0. 5mm以上である請求項 4記載の缶飲料 用キャップ。 5 The seal surface (1 1), outer peripheral portion (1 2) and contact portion (1 3) The sealing surface (1 1) and the contact (1 3) have a wall thickness of 0.4 mm or less, and the outer peripheral portion (1 2) has a wall thickness of 0.4 mm or less. 5. The canned beverage cap according to claim 4, which is not less than 5 mm.
6 飲料を収容する缶飲料容器 (20) の缶蓋 (23) の周辺部に設け られるキャップ (1 0) であって、 伸縮性を有しつつフィルム状に構成 され上記缶飲料容器の上面を被覆するシール面部 (1 1) と、 伸縮性を 有する弾性材料により上記シール面部の外周を構成してなる外周部 ( 1 2) と、 この外周部 (1 2) に連続しつつ上記缶飲料容器 (20) の胴 部 (2 2) に密着する密着部 (1 3) と、 この密着部 (1 3) の端縁を 構成する端縁部 (1 3 a) とからなり、 上記外周部 (1 2) を上記缶飲 料容器 (20) の卷締部 (2 1) の下方に装着することにより該缶飲料 容器 (20) の上面全周がシール面部 (1 1) で水密的に被覆されてな ることを特徴とする缶飲料用キヤップ。 6 A cap (10) provided on the periphery of the can lid (23) of the canned beverage container (20) for storing beverages. A sealing surface portion to be covered (11), an outer peripheral portion (12) comprising an outer periphery of the sealing surface portion made of an elastic material having elasticity, and the canned beverage container connected to the outer peripheral portion (12). (20) consists of a contact portion (1 3) that is in close contact with the body portion (2 2) and an edge portion (1 3a) that constitutes an edge of the contact portion (1 3). 1 2) is attached below the canned beverage container (20) under the winding portion (2 1) of the can beverage container (20), so that the entire upper surface of the can beverage container (20) is covered with the sealing surface portion (1 1) in a water-tight manner. A cap for canned beverages, characterized by not being made.
7 前記シール面部 (1 1)、 外周部 ( 1 2)、 密着部 (1 3) および 端縁部 (1 3 a) は、 ポリスチレンまたはポリプロピレンを一体的に射 出成形してなり、 上記シール面部 (1 1) および密着部 (1 3) は肉厚 0. 4 mm以下であり、 上記外周部 (1 2) および端縁部 (1 3 a) は 肉厚 0. 5mm以上である請求項 6記載の缶飲料用キャップ。  7 The seal surface portion (11), the outer peripheral portion (12), the contact portion (13) and the edge portion (13a) are formed by integrally spray-molding polystyrene or polypropylene. The thickness of the (1 1) and the contact portion (1 3) is not more than 0.4 mm, and the outer peripheral portion (1 2) and the edge portion (1 3 a) are not less than 0.5 mm in thickness. The cap for canned beverages according to the above.
8 前記外周部 (1 2) と前記密着部 (1 3) との境界にミシン目 (18 At the boundary between the outer peripheral portion (1 2) and the contact portion (1 3),
4) を形成してなる請求項 4〜 7のいずれか 1項に記載の缶飲料用キヤ ップ。 The cap for canned beverages according to any one of claims 4 to 7, wherein 4) is formed.
9 前記ミシン目 (1 4) は、 前記外周部 (1 2) と前記密着部 (1 3) との境界線に沿って形成されたミシン目 (1 4) であって、 上記境界線 は、 上記外周部 (1 2) の端縁を構成する線および該端縁から突出する 舌片部 (1 7, 1 8) の外径を構成する線である請求項 8記載の缶飲料 用キャップ。 9 The perforation (1 4) is a perforation (1 4) formed along a boundary between the outer peripheral portion (1 2) and the close contact portion (1 3), wherein the boundary is 9. The canned beverage according to claim 8, which is a line constituting an edge of the outer peripheral portion (12) and a line constituting an outer diameter of a tongue piece (17, 18) protruding from the edge. For cap.
1 0 前記密着部 (1 3) は、 前記外周部 (1 2) との境界に形成され た前記ミシン目 (1 4) に連続しつつ該密着部 (1 3) の端縁までを連 続させてなる第二のミシン目 (1 5.) が形成されてなる密着部 (1 3) である請求項 8〜 9のいずれか 1項に記載の缶飲料用キャップ。  10 The contact portion (13) is continuous with the perforation (14) formed at the boundary with the outer peripheral portion (12) and continues to the edge of the contact portion (13). The canned beverage cap according to any one of claims 8 to 9, wherein the cap is a contact portion (13) formed with a second perforation (15) formed.
1 1 前記密着部 (1 3) は、 前記第二のミシン目 (1 5) の近傍にお いて端縁から突出する第二の舌片部(1 6)が構成されてなる密着部(1 1 1 The close contact portion (1 3) includes a close contact portion (1 6) including a second tongue piece (16) protruding from an edge near the second perforation (15).
3) である請求項 1 0記載の缶飲料用キャップ。 10. The canned beverage cap according to claim 10, which is:
1 2 飲料を収容する缶飲料容器 (20) の缶蓋 (23) の周辺部に設 けられるキャップであって、 伸縮性を有しつつフィルム状に構成され上 記缶飲料容器の上面を被覆するシール面部 (1 1) と、 伸縮性を有する 弾性材料により上記シール面部(1 1)の外周を構成してなる外周部(1 2) とからなるキャップ本体部 (1 0) と、  1 2 A cap provided around the periphery of the can lid (23) of a canned beverage container (20) for storing beverages, which is formed into a film while having elasticity and covers the upper surface of the canned beverage container. A cap body portion (10) comprising a sealing surface portion (11) to be formed, and an outer peripheral portion (12) constituting an outer periphery of the sealing surface portion (11) with an elastic material having elasticity;
上記缶飲料容器 (20) の缶蓋 (23) および胴部 (22) を被覆す るカバー部 (1 3) とを備え、  A can lid (23) for the canned beverage container (20) and a cover (13) for covering the body (22);
上記外周部 (1 2) を上記缶飲料容器 (20) の卷締部 (21) の下 方に装着することにより該缶飲料容器 (20) の上面全周がシール面部 (1 1) で水密的に被覆されるとともに、 上記カバー部 (1 3) が上記 キャップ本体部 (1 0) を装着した状態の上記缶飲料容器 (20) の缶 蓋 (23) およぴ胴部 (22) を被覆してなるとを特徴とする缶飲料用 キャップ。  By mounting the outer peripheral portion (1 2) below the winding portion (21) of the canned beverage container (20), the entire periphery of the upper surface of the canned beverage container (20) is watertight at the sealing surface portion (1 1). The can lid (23) and the torso (22) of the canned beverage container (20) with the cover (13) fitted with the cap body (10) are covered with the cover (13). A canned beverage cap characterized by being coated.
1 3 前記シール面部 (1 1) および外周部 (1 2) は、 ポリスチレン またはポリプロピレンを一体的に射出成形してなり、上記シール面部(1 1) は肉厚 0. 4mm以下であり、 上記外周部 (1 2) は肉厚 0. 5m m以上である請求項 1 2記載の缶飲料用キャップ。  1 3 The seal surface (1 1) and the outer periphery (1 2) are made by injection-molding polystyrene or polypropylene integrally. The seal surface (1 1) has a wall thickness of 0.4 mm or less. The canned beverage cap according to claim 12, wherein the portion (12) has a thickness of 0.5 mm or more.
14 前記キャップ本体 (1 0) の外周部 (1 2) の端縁から突出する  14 Projects from the edge of the outer periphery (1 2) of the cap body (10)
訂正された;!^ 少なくとも 1つの舌片部 (1 7, 1 8) を設けてなる請求項 1 2〜1 3 のいずれか 1項に記載の缶飲料用キャップ。 Corrected;! ^ The canned beverage cap according to any one of claims 12 to 13, comprising at least one tongue piece (17, 18).
1 5 前記力パー部(1 3) は、端縁の一部から適宜方向にミシン目 (1 4) が形成され、 このミシン目 (14) の近傍において上記カバー部 (1 3) の端縁から突出する舌片部 (1 7, 18) が構成されてなるカバー 部 (1 3) である請求項 1 2〜14のいずれか 1項に記載の缶飲料用キ ャップ。  15 The perforations (14) are formed in a part of the edge in an appropriate direction from a part of the edge, and the edge of the cover (13) is formed near the perforation (14). The cap for canned beverages according to any one of claims 12 to 14, wherein the cap is a cover (13) having a tongue piece (17, 18) projecting from the cover.
PCT/JP2003/015047 2002-11-29 2003-11-25 Cap for canned drink WO2004050497A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP03812302A EP1584571B1 (en) 2002-11-29 2003-11-25 Cap for canned drink
AU2003302641A AU2003302641B2 (en) 2002-11-29 2003-11-25 Cap for canned drink
AT03812302T ATE473180T1 (en) 2002-11-29 2003-11-25 CLOSURE FOR CANNED DRINKS
CA2508566A CA2508566C (en) 2002-11-29 2003-11-25 Cap for canned drinks
MXPA05005730A MXPA05005730A (en) 2002-11-29 2003-11-25 Cap for canned drink.
US10/537,277 US20060060584A1 (en) 2002-11-29 2003-11-25 Cap for canned drink
BR0316136-6A BR0316136A (en) 2002-11-29 2003-11-25 Canned Drink Containers Cover
DE60333313T DE60333313D1 (en) 2002-11-29 2003-11-25 CAP FOR CAN DRINK
JP2004556841A JP4546252B2 (en) 2002-11-29 2003-11-25 Cap for canned beverage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-348404 2002-11-29
JP2002348404 2002-11-29

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Publication Number Publication Date
WO2004050497A1 true WO2004050497A1 (en) 2004-06-17

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US (1) US20060060584A1 (en)
EP (1) EP1584571B1 (en)
JP (1) JP4546252B2 (en)
KR (1) KR101076258B1 (en)
CN (1) CN100590033C (en)
AT (1) ATE473180T1 (en)
BR (1) BR0316136A (en)
CA (1) CA2508566C (en)
DE (1) DE60333313D1 (en)
MX (1) MXPA05005730A (en)
WO (1) WO2004050497A1 (en)

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EP1584571B1 (en) 2010-07-07
CN100590033C (en) 2010-02-17
JPWO2004050497A1 (en) 2006-03-30
CN1732114A (en) 2006-02-08
AU2003302641A1 (en) 2004-06-23
DE60333313D1 (en) 2010-08-19
BR0316136A (en) 2005-09-27
CA2508566A1 (en) 2004-06-17
KR20050072831A (en) 2005-07-12
US20060060584A1 (en) 2006-03-23
MXPA05005730A (en) 2005-12-12
CA2508566C (en) 2012-01-31
KR101076258B1 (en) 2011-10-26
ATE473180T1 (en) 2010-07-15
EP1584571A1 (en) 2005-10-12
EP1584571A4 (en) 2007-03-21
JP4546252B2 (en) 2010-09-15

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