EP1921017B1 - Spout for a container - Google Patents

Spout for a container Download PDF

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Publication number
EP1921017B1
EP1921017B1 EP20060023158 EP06023158A EP1921017B1 EP 1921017 B1 EP1921017 B1 EP 1921017B1 EP 20060023158 EP20060023158 EP 20060023158 EP 06023158 A EP06023158 A EP 06023158A EP 1921017 B1 EP1921017 B1 EP 1921017B1
Authority
EP
European Patent Office
Prior art keywords
layer
outlet connection
container
outlet
connection according
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP20060023158
Other languages
German (de)
French (fr)
Other versions
EP1921017A1 (en
Inventor
Hans-Peter Dr. Wild
Wolfgang Tilz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INDAG Gesellschaft fuer Industriebedarf mbH and Co Betriebs KG
Original Assignee
INDAG Gesellschaft fuer Industriebedarf mbH and Co Betriebs KG
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 INDAG Gesellschaft fuer Industriebedarf mbH and Co Betriebs KG filed Critical INDAG Gesellschaft fuer Industriebedarf mbH and Co Betriebs KG
Priority to AT06023158T priority Critical patent/ATE443666T1/en
Priority to DE200650004930 priority patent/DE502006004930D1/en
Priority to EP20060023158 priority patent/EP1921017B1/en
Priority to DE202007003840U priority patent/DE202007003840U1/en
Priority to RU2007136973/12A priority patent/RU2007136973A/en
Priority to ZA200708930A priority patent/ZA200708930B/en
Priority to PCT/EP2007/009661 priority patent/WO2008055677A2/en
Priority to US11/936,654 priority patent/US20080156375A1/en
Priority to EP07819671A priority patent/EP2094575A2/en
Publication of EP1921017A1 publication Critical patent/EP1921017A1/en
Application granted granted Critical
Publication of EP1921017B1 publication Critical patent/EP1921017B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/06—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/022—Sterilising, e.g. of complete packages of flexible containers having a filling and dispensing spout, e.g. containers of the "bag-in-box"-type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38—Devices for discharging contents
    • B65D25/40—Nozzles or spouts
    • B65D25/42—Integral or attached nozzles or spouts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/36—Closures with frangible parts adapted to be pierced, torn, or removed, to provide discharge openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B65D77/062—Flexible containers disposed within polygonal containers formed by folding a carton blank
    • B65D77/065—Spouts, pouring necks or discharging tubes fixed to or integral with the flexible container
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/1624—Destructible or deformable element controlled
    • Y10T137/1632—Destructible element
    • Y10T137/1692—Rupture disc
    • Y10T137/1744—Specific weakening point
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49405—Valve or choke making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/02—Other than completely through work thickness

Definitions

  • the invention relates to a spout for a container, in particular for food products, with a closure means for aseptic sealing of the container.
  • the container must meet high hygiene requirements. Especially in food products, such as fruit preparations, the container must be as germ-free as possible. In particular, it must be ensured that the once sterilized containers remain aseptic until filling.
  • the outlet nozzle of the container is connected to a filling system.
  • a closure means guaranteeing the aseptic state of the container is usually removed from the outlet connection. In this method, however, a contact of the outside air with the interior of the container.
  • US 6,364 , 143 B1 discloses a sealing skin having a core layer and a shell, the shell having an annular tear zone.
  • the closure means comprises a multilayer film wherein one of the layers is perforated such that the closure means bursts along a perforation under a predetermined compressive load generated, for example, by the food product flowing into the container.
  • the interior of the container can not come into contact with the environment until it is pressurized.
  • the interior thus remains germ-free.
  • the outlet nozzle without the existing for aseptic sealing of the container closure means previously from Outlet must be removed. When filling then the closure means bursts by the pressure of the product.
  • the perforation of the first layer of the film is formed so that the closure means bursts under the predetermined pressure load without separating from the outlet nozzle.
  • the at least two layers of the closure means may have different light absorption properties.
  • the one layer can be perforated by light absorption, while the other layer, the light of this wavelength / n as unabsorbed as possible, consequently, as undamaged as possible.
  • high-energy light sources such as lasers, are suitable, due to the different absorption properties, to perforate the one layer of the film according to a predetermined pattern.
  • the second layer of the multilayer film can cover at least one opening of the outlet nozzle sealing. Thanks to the dense attachment of the second layer to the outlet opening of the outlet nozzle aseptic sealing of the container can be made possible.
  • the closure means may in this case be attached to the side of the outlet nozzle facing the container or attached to the side of the outlet nozzle, which may be facing a filling device. Eventually, a closure means can also be provided on the two sides of the outlet nozzle.
  • the perforation may have at least two lines.
  • lines are easy to realize.
  • the lines can run obliquely to each other. The closer the lines are to each other, the lower the required pressure load. This means that the multilayer film will burst first at this point and then burst further along the perforation lines. This prevents the departure of a portion of the film by uncontrolled travel.
  • the perforation of the first layer can be formed cross-shaped or star-shaped. Thanks to these perforation geometries, the largest possible flow opening for the product flow through the burst open closure means can be achieved.
  • intersection of the cross or the star can be arranged in the middle of the outlet opening of the outlet nozzle. This serves to further optimize the flow rate in the burst state.
  • the first layer may be polyethylene terephthalate (PET) or PETP and / or the second layer may be polyethylene (PE), LLDPE or polypropylene (PP).
  • PET polyethylene terephthalate
  • PE polyethylene
  • PP polypropylene
  • the outlet opening may be made of HDPE.
  • HDPE is particularly suitable in connection with the above-mentioned material combinations for the multilayer film, since PE, PP and LLDPE can be sealingly applied to HDPE.
  • the closure means may be designed so that it bursts at pressures from 100 mbar, in particular in a range of 300-500 mbar. This prevents unwanted bursting. Likewise, it is possible to clean the environment-facing side, in particular to disinfect or sterilize without the closure means bursts.
  • the first layer may preferably have a layer thickness of 10 to 15 ⁇ m, in particular of 12 ⁇ m, and / or the second layer may have a layer thickness of 40 to 60 ⁇ m. These thicknesses allow both the perforation, as well as the setting of the desired pressure range in which bursts the closure means.
  • the invention further relates to a container, in particular for food products, with an outlet connection as described above. Thanks to the use of the outlet nozzle, the inside of such a container can be protected from the negative influences of the outside world until it is filled.
  • the container may, for example, be an inliner to which the outlet nozzle is attached. Such inliners are used in bag-in-tank systems.
  • a method for producing a closure means for attachment to a spout comprises the steps of providing a multilayer film of at least two layers and perforating a first layer at predetermined locations so that the closure means pops open under a predetermined compressive load. It is irrelevant whether the perforation is performed before attaching the closure means at the outlet nozzle or after attachment to the outlet nozzle. As already explained in connection with the outlet nozzle explained above, such a closure means makes it possible to protect the interior of a container, on which the outlet nozzle is attached, until it is filled with negative environmental influences.
  • the two layers may have different light absorption properties, so that with light, in particular laser light, the first layer can be perforated, while the second layer remains unchanged. Thanks to the different light absorption properties, it is thus possible to perforate an already produced multilayer film so that one layer has the perforation, while the other layer remains as unharmed as possible, so that the film preserves the required sealing property.
  • FIG. 1 shows a three-dimensional sectional view of a first embodiment of the outlet nozzle according to the invention for a container, in particular a container for food products.
  • the container used is, for example, a bag or inliner, which receives the products and is arranged for transport within a tank (bag-in-tank transport system).
  • the outlet nozzle 1 comprises an outlet channel 3 and preferably integrally arranged thereon a ring 5 with which the outlet nozzle 1 on a container (see FIG. 5 ) is attached.
  • a closure means 7 On the side facing away from the channel 3 of the ring 5 is a closure means 7 for aseptic sealing of the channel 3 and thus for aseptic sealing of the container to which the outlet nozzle 1 is attached.
  • the closure means 7 comprises a multilayer film having at least a first layer 9 and a second layer 11.
  • the second layer 11 is sealingly attached to the ring 5, so that the channel 3 is closed.
  • the first layer 9 has a perforation 13, in the form of a cross in this embodiment.
  • connection thread 17 and the seal 15th are further arranged on the outer wall of the channel 3.
  • the connection thread 17 and the seal 15th can be connected to the outlet 1 a filling or emptying device, not shown here.
  • the channel 3, the ring 5 and the thread 17 are integrally formed. Alternatively, however, these elements may also represent their own parts that are assembled together.
  • PE for example, by heat welding or ultrasonic welding, sealable to the HDPE of the outlet nozzle 1 can be attached, and thereby close the channel 3 tight.
  • the use of PET as the first layer 9 and PE as the second layer 11 has the advantage that thanks to the light absorption properties of PET, the perforation 13 can be realized with a laser, while, thanks to different light absorption properties, the second layer 11 in the perforation of the first layer 9 remains unhurt. Equally conceivable, however, is the use of PETP as first layer 9 and PP or LLDPE as second layer 11.
  • the perforation 13 of the first layer 9 of the closure means 7 allows the closure means 7 to pop open under a predetermined compressive load along the perforation. If a fluid, for example a food product stream, flows in the channel 3 - in the direction A - against the side 19 of the second layer 11 facing the channel 3, a pressure builds up there. As soon as this pressure exceeds a certain value, the second layer 11 ruptures in the vicinity or at the perforation 13 of the second layer 9, because there the closure means 7 is weakest. By the defined tearing is guaranteed that the closure means ruptures without rags, so that no pieces of film in the container, which is located on the side facing away from the channel 3 side of the connecting piece, occurs.
  • the thickness of the second layer 11 and the shape of the perforation pattern decide on the pressure from which the closure means bursts.
  • the closure means 7 bursts open even at low pressures, which occur, for example, when the channel 3 is sterilized before the inflow of a product.
  • Such sterilization is carried out, for example, with hot steam, in particular steam, or H 2 O 2 in the gaseous phase.
  • the closure itself is usually sterilized by gamma irradiation.
  • the closure means should press of at least 100 mbar before it bursts. Preferably, however, it should burst open in a range of 300-500 mbar.
  • embodiments are also possible in which the closure means bursts only at 2 bar.
  • Film thicknesses of 10 to 15 ⁇ m, in particular 12 ⁇ m, for the first layer 9 and 40 to 60 ⁇ m for the second layer 11 have proven suitable for use.
  • the perforated layer 9 is located on the side facing away from the channel. According to a variant, however, this layer could also face the channel 3, but then under the condition that it is sealingly attached to the ring 5.
  • the closure means 7 is constructed of a two-layered film. However, it is also possible to use more than two layers.
  • FIG. 2 shows a further three-dimensional sectional view of the first embodiment of the outlet nozzle 1, but this time with respect to the closure means 7 from the other side.
  • FIG. 2 shows that the closure means 7 with the second layer 11, the opening of the channel 3 sealingly covers.
  • FIG. 3 shows a second embodiment of the discharge nozzle according to the invention for a container, in particular for food products.
  • the outlet connection 31 differs in comparison to the outlet connection 1 of the first embodiment only in that the closure means is not arranged on the ring 5, but the channel 3 on the side facing away from the ring 33 sealingly covered.
  • the further features of the outlet nozzle 31 correspond to those of the first embodiment and are therefore not repeated in detail.
  • This embodiment has the advantage that, prior to the connection of a filling device, only the surface of the closure means 7 facing the environment has to be cleaned, in particular disinfected or sterilized.
  • the two embodiments can also be combined.
  • FIGS. 4a to 4c show views of the closure means 7 used in the embodiments 1 and 2 from above. Illustrated are the geometries of some perforation patterns according to the invention. Indicated by dashed lines is in each case the channel 3 located below the closure means.
  • FIG. 4a shows the cross shape of the Perforationsgeometrie, which also in the FIGS. 1 to 3 is shown.
  • the center of the cross 41 is in the cross-sectional center of the channel 3. This has the advantage that after bursting the largest possible flow opening is made possible, so that the container behind it can be filled quickly.
  • the perforated lines 13a, 13b pass over the edge of the channel 3.
  • the perforation lines 13a, 13b are shown continuously. Alternatively, however, these lines can also be formed by dashed lines.
  • FIG. 4b shows an embodiment in which thanks to the star-shaped formation of the perforation lines 13a, 13b and 13c, the closure means comprises six segments 43a to 43g, while there are only four segments in the cross shape.
  • the flow opening is larger than in comparison to the cross shape of FIG. 4a , However, since three lines intersect at the intersection, it must be ensured that no perforation occurs in the closure means at the perforation process at this point.
  • FIG. 5 shows the use of a discharge nozzle according to the invention 1 or 31 in a bag 51.
  • the outlet 1 is performed through an opening in the bag 51 and then with the channel facing side of the ring 5 at this, for example by welding, sealingly attached. Thereafter, the opening in the bag 51 is closed. The inside of such a bag 51 is then protected from the environment and can be kept sterile.
  • FIG. 6 shows a flow diagram of a method for producing a closure means for attachment to an outlet nozzle, as shown in the FIGS. 1 to 4 is shown.
  • a multilayer film 61 of at least two layers 63 and 65 is provided.
  • the first layer 65 is made of PET, while the second layer is made of PE. Thanks to the different light absorption properties of the two layers 65 and 63, the first layer 65 is then perforated in a second step, for example using laser light, in particular a CO 2 laser.
  • the perforated film 67 is then mounted on caps, which can be carried out individually or for a plurality of spouts simultaneously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closing Of Containers (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

A sterile seal, especially for a food product container has a double layer plastic film fitted over the outlet port (3) and with the two layers (9, 11) bonded together and with the outer layer (9) scored (13). The seal ruptures along the score lines under pressure causing the inner seal to tear along the same score lines and without any risk of pieces of foil breaking off. The outer layer can be PET or PETP while the inner layer can be PE, LLDPE or PP. The score lines can be in a simple cross or as an open loop tag.

Description

Die Erfindung betrifft einen Auslaufstutzen für einen Behälter, insbesondere für Lebensmittelprodukte, mit einem Verschlussmittel zum aseptischen Verschließen des Behälters.The invention relates to a spout for a container, in particular for food products, with a closure means for aseptic sealing of the container.

Je nach Anwendungsbereich von Behältern, beispielsweise bei Lebensmittelprodukten, muss der Behälter hohen Hygieneanforderungen genügen. Insbesondere bei Lebensmittelprodukten, wie beispielsweise Fruchtzubereitungen, müssen die Behälter möglichst keimfrei sein. Insbesondere muss gewährleistet sein, dass die einmal sterilisierten Behälter auch bis zum Auffüllen aseptisch bleiben.Depending on the area of application of containers, for example in food products, the container must meet high hygiene requirements. Especially in food products, such as fruit preparations, the container must be as germ-free as possible. In particular, it must be ensured that the once sterilized containers remain aseptic until filling.

Zum Befüllen der Behälter wird der Auslaufstutzen des Behälters an eine Füllanlage angeschlossen. Vor dem Anschließen wird dabei üblicherweise ein den aseptischen Zustand des Behälters garantierendes Verschlussmittel vom Auslaufstutzen entfernt. Bei diesem Verfahren entsteht jedoch ein Kontakt der Außenluft mit dem Inneren des Behälters.To fill the container, the outlet nozzle of the container is connected to a filling system. Before connecting, a closure means guaranteeing the aseptic state of the container is usually removed from the outlet connection. In this method, however, a contact of the outside air with the interior of the container.

Aus der DE 0 190 757 ist ein Bag- in -Box Füll- und Entnahmesystem mit einem Kunststoffsack bekannt. Dabei ist der Kunststoffsack mit einer Abdichthaut versehen, die von der einfüllenden Flüssigkeit bei ihrer Zerstörung entfernt wird, wobei die Abdichthaut zum erleichterten Anfassen verdünnte oder eingekerbte Partien aufweist.From the DE 0 190 757 is a bag-in box filling and removal system with a plastic bag known. In this case, the plastic bag is provided with a sealing skin, which is removed from the filling liquid in their destruction, the sealing skin for ease of grip has thinned or notched parts.

US 6.364 . 143 B1 offenbart eine Abdichthaut mit einer Kernschicht und eine Hülle, wobei die Hülle eine ringförmige Aufreißzone aufweist. US 6,364 , 143 B1 discloses a sealing skin having a core layer and a shell, the shell having an annular tear zone.

Es ist daher Aufgabe der vorliegenden Erfindung, einen Auslaufstutzen für ein Behälter bereit zu stellen, der den Innenraum des Behältnisses bis zum Befüllen steril halten kann und bei dem ein Abtrennen des Verschlussmittels vom Auslaufstutzen verhindert werden kann.It is therefore an object of the present invention to provide an outlet nozzle for a container, which can keep the interior of the container until filled sterile and in which a separation of the closure means can be prevented from the outlet nozzle.

Diese Aufgabe wird mit dem Auslaufstutzen nach Anspruch 1 gelöst. Erfindungsgemäß umfasst das Verschlussmittel eine mehrschichtige Folie wobei eine der Schichten so perforiert ist, dass das Verschlussmittel unter einer vorbestimmten Druckbelastung, die beispielsweise durch das in den Behälter einfließende Lebensmittelprodukt erzeugt wird, entlang dieser Perforation aufplatzt.This object is achieved with the outlet connection according to claim 1. According to the invention, the closure means comprises a multilayer film wherein one of the layers is perforated such that the closure means bursts along a perforation under a predetermined compressive load generated, for example, by the food product flowing into the container.

Dadurch, dass die zweite Schicht diese Perforation nicht aufweist, kann das Innere des Behälters bis zur Druckbeaufschlagung nicht mit der Umgebung in Kontakt treten. Das Innere bleibt somit keimfrei. Vorteilhafterweise kann somit gemäß der Erfindung der Auslaufstutzen an die Füllvorrichtung angeschlossen werden, ohne dass das zum aseptischen Verschließen des Behälters vorhandene Verschlussmittel vorher vom Auslaufstutzen entfernt werden muss. Beim Befüllen platzt dann das Verschlussmittel durch den Druck des Produktes auf.Because the second layer does not have this perforation, the interior of the container can not come into contact with the environment until it is pressurized. The interior thus remains germ-free. Advantageously, can thus be connected to the filling device according to the invention, the outlet nozzle, without the existing for aseptic sealing of the container closure means previously from Outlet must be removed. When filling then the closure means bursts by the pressure of the product.

Entsprechend der Erfindung ist die Perforation der ersten Schicht der Folie so ausgebildet, dass das Verschlussmittel unter der vorbestimmten Druckbelastung aufplatzt ohne sich vom Auslaufstutzen zu trennen. Somit wird ermöglicht, dass beim Befüllen des Behälters, zusammen mit dem einzufüllenden Produkt, keine Fetzen der mehrschichtigen Folie in das Innere des Behälters eintreten können.According to the invention, the perforation of the first layer of the film is formed so that the closure means bursts under the predetermined pressure load without separating from the outlet nozzle. Thus, it is possible that during filling of the container, together with the product to be filled, no shreds of the multilayer film can enter into the interior of the container.

Gemäß einer bevorzugten Ausführungsform können die mindestens zwei Schichten des Verschlussmittels unterschiedliche Lichtabsorptionseigenschaften aufweisen. Somit kann mit Hilfe von Licht einer bestimmten Wellenlänge, oder eines bestimmten Wellenlängenbereiches, die eine Schicht durch Lichtabsorption perforiert werden, während die andere Schicht das Licht dieser Wellenlänge/n möglichst unabsorbiert , folglich möglichst unbeschädigt durchlässt. Insbesondere energiereiche Lichtquellen, wie Laser, sind dazu geeignet dank der unterschiedlichen Absorptionseigenschaften die eine Schicht der Folie gemäß einem vorbestimmten Muster zu perforieren.According to a preferred embodiment, the at least two layers of the closure means may have different light absorption properties. Thus, with the help of light of a certain wavelength, or a certain wavelength range, the one layer can be perforated by light absorption, while the other layer, the light of this wavelength / n as unabsorbed as possible, consequently, as undamaged as possible. In particular, high-energy light sources, such as lasers, are suitable, due to the different absorption properties, to perforate the one layer of the film according to a predetermined pattern.

Bevorzugt kann die zweite Schicht der mehrschichtigen Folie mindestens eine Öffnung des Auslaufstutzens dichtend abdecken. Dank der dichten Anbringung der zweiten Schicht an der Auslauföffnung des Auslaufstutzens kann das aseptische Verschließen des Behälters ermöglicht werden. Das Verschlussmittel kann hierbei an der dem Behältnis zugewandten Seite des Auslaufstutzens angebracht sein oder an der Seite des Auslaufstutzens, die einer Einfüllvorrichtung zugewandt werden kann, angebracht sein. Eventuell kann ein Verschlussmittel auch an den beiden Seiten des Auslaufstutzens vorgesehen werden.Preferably, the second layer of the multilayer film can cover at least one opening of the outlet nozzle sealing. Thanks to the dense attachment of the second layer to the outlet opening of the outlet nozzle aseptic sealing of the container can be made possible. The closure means may in this case be attached to the side of the outlet nozzle facing the container or attached to the side of the outlet nozzle, which may be facing a filling device. Eventually, a closure means can also be provided on the two sides of the outlet nozzle.

Bevorzugt kann die Perforation mindestens zwei Linien aufweisen. Mit Hilfe des oben erwähnten Laserperforationsverfahrens sind Linien leicht zu realisieren.Preferably, the perforation may have at least two lines. With the aid of the above-mentioned laser perforation method, lines are easy to realize.

Bevorzugt können dabei die Linien schräg zueinander verlaufen. Je näher die Linien aneinander liegen, um so geringer ist die nötige Druckbelastung. Dies bedeutet, dass die mehrschichtige Folie an dieser Stelle zuerst aufplatzen wird und dann entlang der Perforationslinien weiter aufplatzt. Dies verhindert das Abreisen eines Teils der Folie durch unkontrolliertes Aufreisen.Preferably, the lines can run obliquely to each other. The closer the lines are to each other, the lower the required pressure load. This means that the multilayer film will burst first at this point and then burst further along the perforation lines. This prevents the departure of a portion of the film by uncontrolled travel.

Vorteilhafterweise kann die Perforation der ersten Schicht kreuzförmig oder sternförmig ausgebildet werden. Dank dieser Perforationsgeometrien kann eine möglichst große Durchflussöffnung für den Produktstrom durch das aufgeplatzte Verschlussmittel hindurch erzielt werden.Advantageously, the perforation of the first layer can be formed cross-shaped or star-shaped. Thanks to these perforation geometries, the largest possible flow opening for the product flow through the burst open closure means can be achieved.

Vorzugsweise kann dabei der Schnittpunkt des Kreuzes oder des Sterns in der Mitte der Auslauföffnung des Auslaufstutzens angeordnet sein. Dies dient der weitem Optimierung der Durchflussmenge im aufgeplatzten Zustand.Preferably, the intersection of the cross or the star can be arranged in the middle of the outlet opening of the outlet nozzle. This serves to further optimize the flow rate in the burst state.

Gemäß einer bevorzugten Ausführungsform kann die erste Schicht aus Polyethylenterephthalat (PET) oder PETP und/oder die zweite Schicht aus Polyethylen (PE), LLDPE oder Polypropylen (PP) sein. Diese Materialien erfüllen die gewünschten unterschiedlichen Lichtabsorptionseigenschaften, wobei insbesondere PET, PETD mit einem Laser, insbesondere einem CO2 perforiert werden kann und PE, PP bzw. LLDPE die benötigten aseptischen Eigenschaften aufweisen und nicht perforiert werden.According to a preferred embodiment, the first layer may be polyethylene terephthalate (PET) or PETP and / or the second layer may be polyethylene (PE), LLDPE or polypropylene (PP). These materials fulfill the desired different light absorption properties, wherein in particular PET, PETD can be perforated with a laser, in particular a CO 2 , and PE, PP or LLDPE have the required aseptic properties and are not perforated.

Bevorzugt kann die Auslauföffnung aus HDPE sein. Insbesondere in Verbindung mit den oben genannten Materialkombinationen für die mehrschichtige Folie ist HDPE geeignet, da PE, PP und LLDPE auf HDPE dichtend angebracht werden können.Preferably, the outlet opening may be made of HDPE. HDPE is particularly suitable in connection with the above-mentioned material combinations for the multilayer film, since PE, PP and LLDPE can be sealingly applied to HDPE.

Vorteilhafterweise kann das Verschlussmittel so ausgebildet sein, dass es bei Drücken ab 100 mbar, insbesondere in einem Bereich von 300-500 mbar aufplatzt. Hierdurch wird ein ungewolltes Aufplatzen verhindert. Ebenso wird es ermöglicht die der Umgebung zugewandte Seite zu reinigen, insbesondere zu desinfizieren bzw. zu sterilisieren ohne dass das Verschlussmittel aufplatzt.Advantageously, the closure means may be designed so that it bursts at pressures from 100 mbar, in particular in a range of 300-500 mbar. This prevents unwanted bursting. Likewise, it is possible to clean the environment-facing side, in particular to disinfect or sterilize without the closure means bursts.

Bevorzugt kann dabei die erste Schicht eine Schichtdicke von 10 bis 15µm, insbesondere von 12µm, aufweisen und/oder die zweite Schicht eine Schichtdicke von 40 bis 60µm aufweisen. Diese Dicken ermöglichen sowohl die Perforation, als auch die Einstellung des gewünschten Druckbereichs in dem das Verschlussmittel aufplatzt.The first layer may preferably have a layer thickness of 10 to 15 μm, in particular of 12 μm, and / or the second layer may have a layer thickness of 40 to 60 μm. These thicknesses allow both the perforation, as well as the setting of the desired pressure range in which bursts the closure means.

Die Erfindung betrifft weiterhin einen Behälter, insbesondere für Lebensmittelprodukte, mit einem Auslaufstutzen wie vorangehend beschrieben. Dank der Verwendung des Auslaufstutzens kann die Innenseite eines solchen Behälters bis zum Befüllen vor den negative Einflüssen der Außenwelt geschützt werden. Bei dem Behälter kann es sich beispielsweise um einen Inliner handeln, an dem der Auslaufstutzen angebracht ist. Solche Inliner werden in Bag-in-Tank Systemen verwendet.The invention further relates to a container, in particular for food products, with an outlet connection as described above. Thanks to the use of the outlet nozzle, the inside of such a container can be protected from the negative influences of the outside world until it is filled. The container may, for example, be an inliner to which the outlet nozzle is attached. Such inliners are used in bag-in-tank systems.

Ein Verfahren zum Herstellen eines Verschlussmittels zum Anbringen an einen Auslaufstutzen umfasst die Schritte: Bereitstellen einer mehrschichtigen Folie aus mindestens zwei Schichten und Perforieren einer ersten Schicht an vorbestimmten Stellen, so dass das Verschlussmittel unter einer vorbestimmten Druckbelastung definiert aufplatzt. Hierbei ist es unerheblich, ob die Perforation vor dem Anbringen des Verschlussmittels am Auslaufstutzen oder nach dem Anbringen am Auslaufstutzen durchgeführt wird. Wie schon im Zusammenhang mit dem oben erläuterten Auslaufstutzen dargelegt, ermöglicht ein solches Verschlussmittel das Innere eine Behälters, an dem der Auslaufstutzen angebracht ist, bis zum Befüllen vor negativen Umwelteinflüssen zu schützen.A method for producing a closure means for attachment to a spout comprises the steps of providing a multilayer film of at least two layers and perforating a first layer at predetermined locations so that the closure means pops open under a predetermined compressive load. It is irrelevant whether the perforation is performed before attaching the closure means at the outlet nozzle or after attachment to the outlet nozzle. As already explained in connection with the outlet nozzle explained above, such a closure means makes it possible to protect the interior of a container, on which the outlet nozzle is attached, until it is filled with negative environmental influences.

Bevorzugt können die zwei Schichten unterschiedliche Lichtabsorptionseigenschaften aufweisen, so dass mit Licht, insbesondere Laserlicht, die erste Schicht perforiert werden kann, während die zweite Schicht unverändert bleibt. Dank der unterschiedlichen Lichtabsorptionseigenschaften ist es somit möglich eine schon hergestellte mehrschichtige Folie so zu perforieren, dass eine Schicht die Perforation aufweist, während die andere Schicht möglichst unverletzt bleibt, so dass die Folie die benötigte abdichtenden Eigenschaft bewahrt.Preferably, the two layers may have different light absorption properties, so that with light, in particular laser light, the first layer can be perforated, while the second layer remains unchanged. Thanks to the different light absorption properties, it is thus possible to perforate an already produced multilayer film so that one layer has the perforation, while the other layer remains as unharmed as possible, so that the film preserves the required sealing property.

Ausführungsbeispiele der Erfindung sind in den nachfolgenden Figuren dargestellt und werden nachstehend erläutert. Es zeigen:

  • Figur 1 eine dreidimensionale Schnittansicht eines Auslaufstutzens gemäß einer ersten Ausführungsform der Erfindung,
  • Figur 2 eine zweite dreidimensionale Schnittansicht der ersten Ausführungsform,
  • Figur 3 eine zweite Ausführungsform des erfindungsgemäßen Auslaufstutzens,
  • Figuren 4a bis 4c verschiedene Perforationsmuster der mehrschichtigen Folie, die als Verschlussmittel des Auslaufstutzens dient,
  • Figur 5 einen Beutel mit einem erfindungsgemäßen Auslaufstutzen, der als Behälter, insbesondere für Lebensmittelprodukte, dient, und
  • Figur 6 schematisch ein Ablaufdiagramm zum Darstellen eines Verfahrens zum Herstellen eines Verschlussmittels zum Anbringen an einen Auslaufstutzen.
Embodiments of the invention are illustrated in the following figures and are explained below. Show it:
  • FIG. 1 3 shows a three-dimensional sectional view of an outlet nozzle according to a first embodiment of the invention,
  • FIG. 2 a second three-dimensional sectional view of the first embodiment,
  • FIG. 3 a second embodiment of the outlet nozzle according to the invention,
  • FIGS. 4a to 4c different perforation patterns of the multilayer film, which serves as closure means of the outlet nozzle,
  • FIG. 5 a bag with an outlet according to the invention, which serves as a container, in particular for food products, and
  • FIG. 6 schematically a flowchart for illustrating a method for producing a closure means for attachment to an outlet nozzle.

Figur 1 zeigt eine dreidimensionale Schnittansicht einer ersten Ausführungsform des erfindungsgemäßen Auslaufstutzen für einen Behälter, insbesondere einem Behälter für Lebensmittelprodukte. Als Behälter dient beispielsweise ein Beutel oder Inliner, der die Produkte aufnimmt und zum Transport innerhalb eines Tanks angeordnet wird (Bag-in-Tank Transportsystem). FIG. 1 shows a three-dimensional sectional view of a first embodiment of the outlet nozzle according to the invention for a container, in particular a container for food products. The container used is, for example, a bag or inliner, which receives the products and is arranged for transport within a tank (bag-in-tank transport system).

Der Auslaufstutzen 1 umfasst einen Auslaufkanal 3 und bevorzugt einstückig daran angeordnet einen Ring 5 mit dem der Auslaufstutzen 1 an einem Behälter (siehe Figur 5) angebracht wird. Auf der vom Kanal 3 abgewandten Seite des Rings 5 befindet sich ein Verschlussmittel 7 zum aseptischen Verschließen des Kanals 3 und somit zum aseptischen Verschließen des Behälters an dem der Auslaufstutzen 1 angebracht wird.The outlet nozzle 1 comprises an outlet channel 3 and preferably integrally arranged thereon a ring 5 with which the outlet nozzle 1 on a container (see FIG. 5 ) is attached. On the side facing away from the channel 3 of the ring 5 is a closure means 7 for aseptic sealing of the channel 3 and thus for aseptic sealing of the container to which the outlet nozzle 1 is attached.

Erfindungsgemäß umfasst das Verschlussmittel 7 eine mehrschichtige Folie mit mindestens einer ersten Schicht 9 und einer zweiten Schicht 11. Die zweite Schicht 11 ist dichtend am Ring 5 angebracht, so dass der Kanal 3 verschlossen wird. Die erste Schicht 9 weist eine Perforation 13 auf, in diesem Ausführungsbeispiel in der Form eines Kreuzes.According to the invention, the closure means 7 comprises a multilayer film having at least a first layer 9 and a second layer 11. The second layer 11 is sealingly attached to the ring 5, so that the channel 3 is closed. The first layer 9 has a perforation 13, in the form of a cross in this embodiment.

An der Außenwand des Kanals 3 sind ferner eine Dichtung 15 und ein Anschlussgewinde 17 angeordnet. Über das Anschlussgewinde 17 und die Dichtung 15 kann eine hier nicht dargestellte Befüll- oder Entleervorrichtung an den Auslaufstutzen 1 angeschlossen werden. In der vorliegenden Ausführungsform sind der Kanal 3, der Ring 5 und das Gewinde 17 einstückig ausgebildet. Alternativ können diese Elemente jedoch auch eigene Teile darstellen, die zusammengesetzt werden.On the outer wall of the channel 3, a seal 15 and a connection thread 17 are further arranged. About the connection thread 17 and the seal 15th can be connected to the outlet 1 a filling or emptying device, not shown here. In the present embodiment, the channel 3, the ring 5 and the thread 17 are integrally formed. Alternatively, however, these elements may also represent their own parts that are assembled together.

Bevorzugt ist der Kanal 3, der Ring 5 und das Anschlussgewinde 17 aus Kunststoff, insbesondere HDPE, die erste Schicht 9 aus PET und die zweite Schicht 11 aus PE. Dies hat den Vorteil, dass PE, beispielsweise durch Heißschweißen oder Ultraschallschweißen, siegelfähig am HDPE des Auslaufstutzens 1 angebracht werden kann, und dadurch den Kanal 3 dicht abschließen kann. Die Benutzung von PET als erste Schicht 9 und PE als zweite Schicht 11 bringt den Vorteil mit sich, dass dank der Lichtabsorptionseigenschaften von PET die Perforation 13 mit einem Laser realisiert werden kann, während, dank unterschiedlicher Lichtabsorptionseigenschaft, die zweite Schicht 11 bei der Perforation der ersten Schicht 9 unverletzt bleibt. Ebenso denkbar ist jedoch auch die Nutzung von PETP als erste Schicht 9 und PP oder LLDPE als zweite Schicht 11.Preferably, the channel 3, the ring 5 and the connecting thread 17 made of plastic, in particular HDPE, the first layer 9 made of PET and the second layer 11 made of PE. This has the advantage that PE, for example, by heat welding or ultrasonic welding, sealable to the HDPE of the outlet nozzle 1 can be attached, and thereby close the channel 3 tight. The use of PET as the first layer 9 and PE as the second layer 11 has the advantage that thanks to the light absorption properties of PET, the perforation 13 can be realized with a laser, while, thanks to different light absorption properties, the second layer 11 in the perforation of the first layer 9 remains unhurt. Equally conceivable, however, is the use of PETP as first layer 9 and PP or LLDPE as second layer 11.

Die Perforation 13 der ersten Schicht 9 des Verschlussmittels 7 ermöglicht, dass das Verschlussmittel 7 unter einer vorbestimmten Druckbelastung entlang der Perforation definiert aufplatzt. Fließt ein Fluid, beispielsweise ein Lebensmittelproduktstrom, im Kanal 3 - in Richtung A - gegen die dem Kanal 3 zugewandte Seite 19 der zweiten Schicht 11, baut sich dort ein Druck auf. Sobald dieser Druck einen bestimmten Wert überschreitet, reißt die zweite Schicht 11 in der Nähe oder an der Perforation 13 der zweiten Schicht 9 auf, da dort das Verschlussmittel 7 am schwächsten ist. Durch das definierte Aufreißen wird garantiert, dass das Verschlussmittel fetzenfrei aufreißt, so dass keine Folienstücke in den Behälter, der sich auf der vom Kanal 3 abgewandten Seite des Anschlussstückes befindet, eintritt.The perforation 13 of the first layer 9 of the closure means 7 allows the closure means 7 to pop open under a predetermined compressive load along the perforation. If a fluid, for example a food product stream, flows in the channel 3 - in the direction A - against the side 19 of the second layer 11 facing the channel 3, a pressure builds up there. As soon as this pressure exceeds a certain value, the second layer 11 ruptures in the vicinity or at the perforation 13 of the second layer 9, because there the closure means 7 is weakest. By the defined tearing is guaranteed that the closure means ruptures without rags, so that no pieces of film in the container, which is located on the side facing away from the channel 3 side of the connecting piece, occurs.

Bei gegebenem Kanaldurchmesser entscheidet die Dicke der zweiten Schicht 11 und die Form des Perforationsmusters über den Druck, ab dem das Verschlussmittel aufplatzt. Dadurch kann beispielsweise verhindert werden, dass das Verschlussmittel 7 schon bei geringen Drücken aufplatzt, die beispielsweise dann auftreten, wenn der Kanal 3 vor dem Einfließen eines Produktes sterilisiert wird. Eine solche Sterilisierung wird beispielsweise mit heißem Dampf, insbesondere Wasserdampf, oder H2O2 in gasförmiger Phase durchgeführt. Das Verschlussmittel selbst wird üblicherweise durch Gammabestrahlung sterilisiert. Aus obigem Grund sollte das Verschlussmittel Drücken von mindestens 100 mbar standhalten bevor es aufplatzt. Bevorzugt sollte es jedoch in einem Bereich von 300-500 mbar aufplatzen. Möglich sind jedoch auch Ausführungsformen in denen das Verschlussmittel erst bei 2 bar aufplatzt.For a given channel diameter, the thickness of the second layer 11 and the shape of the perforation pattern decide on the pressure from which the closure means bursts. As a result, it can be prevented, for example, that the closure means 7 bursts open even at low pressures, which occur, for example, when the channel 3 is sterilized before the inflow of a product. Such sterilization is carried out, for example, with hot steam, in particular steam, or H 2 O 2 in the gaseous phase. The closure itself is usually sterilized by gamma irradiation. For the above reason, the closure means should press of at least 100 mbar before it bursts. Preferably, however, it should burst open in a range of 300-500 mbar. However, embodiments are also possible in which the closure means bursts only at 2 bar.

Als für die Verwendung geeignet haben sich Foliendicken von 10 bis 15 µm, insbesondere 12 µm, für die erste Schicht 9 und 40 bis 60 µm für die zweite Schicht 11 gezeigt.Film thicknesses of 10 to 15 μm, in particular 12 μm, for the first layer 9 and 40 to 60 μm for the second layer 11 have proven suitable for use.

In der dargestellten bevorzugten Ausführungsform befindet sich die perforierte Schicht 9 auf der dem Kanal abgewandten Seite. Gemäß einer Variante könnte diese Schicht jedoch auch dem Kanal 3 zugewandt sein, dann allerdings unter der Bedingung, dass sie dichtend am Ring 5 befestigt wird.In the illustrated preferred embodiment, the perforated layer 9 is located on the side facing away from the channel. According to a variant, however, this layer could also face the channel 3, but then under the condition that it is sealingly attached to the ring 5.

In der dargestellten Ausführungsform ist das Verschlussmittel 7 aus einer zweischichtigen Folie aufgebaut. Es ist jedoch auch möglich mehr als zwei Schichten zu benutzen.In the illustrated embodiment, the closure means 7 is constructed of a two-layered film. However, it is also possible to use more than two layers.

Figur 2 zeigt eine weitere dreidimensionale Schnittansicht der ersten Ausführungsform des Auslaufstutzens 1, allerdings diesmal bezüglich dem Verschlussmittel 7 von der anderen Seite. Figur 2 zeigt, dass das Verschlussmittel 7 mit der zweiten Schicht 11 die Öffnung des Kanals 3 dichtend abdeckt.
Figur 3 zeigt eine zweite Ausführungsform des erfindungsgemäßen Auslaufstutzens für einen Behälter, insbesondere für Lebensmittelprodukte. Der Auslaufstutzen 31 unterscheidet sich im Vergleich zum Auslaufstutzen 1 der ersten Ausführungsform nur dadurch, dass das Verschlussmittel nicht am Ring 5 angeordnet ist, sondern den Kanal 3 auf der dem Ring abgewandten Seite 33 dichtend bedeckt. Die weiteren Merkmale des Auslaufstutzens 31 entsprechen denen der ersten Ausführungsform und werden daher nicht mehr im Detail wiederholt. FIG. 2 shows a further three-dimensional sectional view of the first embodiment of the outlet nozzle 1, but this time with respect to the closure means 7 from the other side. FIG. 2 shows that the closure means 7 with the second layer 11, the opening of the channel 3 sealingly covers.
FIG. 3 shows a second embodiment of the discharge nozzle according to the invention for a container, in particular for food products. The outlet connection 31 differs in comparison to the outlet connection 1 of the first embodiment only in that the closure means is not arranged on the ring 5, but the channel 3 on the side facing away from the ring 33 sealingly covered. The further features of the outlet nozzle 31 correspond to those of the first embodiment and are therefore not repeated in detail.

Diese Ausführungsform hat den Vorteil, dass vor dem Anschließen einer Einfüllvorrichtung nur die der Umwelt zugewandte Oberfläche des Verschlussmittels 7 gereinigt, insbesondere desinfiziert oder sterilisiert, werden muss.This embodiment has the advantage that, prior to the connection of a filling device, only the surface of the closure means 7 facing the environment has to be cleaned, in particular disinfected or sterilized.

Gemäß einer weiteren Variante können die beiden Ausführungsformen auch kombiniert werden.According to a further variant, the two embodiments can also be combined.

Die Figuren 4a bis 4c zeigen Ansichten des in den Ausführungsformen 1 und 2 verwendeten Verschlussmittels 7 von oben. Illustriert werden die Geometrien einiger erfindungsgemäßer Perforationsmuster. Gestrichelt angedeutet ist dabei jeweils der unter dem Verschlussmittel liegende Kanal 3. Figur 4a zeigt die Kreuzform der Perforationsgeometrie, die auch in den Figuren 1 bis 3 dargestellt ist. Bevorzugt liegt der Mittelpunkt des Kreuzes 41 im Querschnittszentrum des Kanals 3. Dies hat den Vorteil, dass nach dem Aufplatzen eine möglichst große Durchflussöffnung ermöglicht wird, so dass der dahinter liegende Behälter schnell gefüllt werden kann. Die perforierten Linien 13a, 13b gehen über den Rand des Kanals 3 hinweg. Hier sind die Perforationslinien 13a, 13b durchgehend dargestellt. Alternativ können diese Linien jedoch auch gestrichelt ausgebildet sein.The FIGS. 4a to 4c show views of the closure means 7 used in the embodiments 1 and 2 from above. Illustrated are the geometries of some perforation patterns according to the invention. Indicated by dashed lines is in each case the channel 3 located below the closure means. FIG. 4a shows the cross shape of the Perforationsgeometrie, which also in the FIGS. 1 to 3 is shown. Preferably, the center of the cross 41 is in the cross-sectional center of the channel 3. This has the advantage that after bursting the largest possible flow opening is made possible, so that the container behind it can be filled quickly. The perforated lines 13a, 13b pass over the edge of the channel 3. Here, the perforation lines 13a, 13b are shown continuously. Alternatively, however, these lines can also be formed by dashed lines.

Figur 4b zeigt eine Ausführungsform bei der dank der sternförmigen Ausbildung der Perforationslinien 13a, 13b und 13c, das Verschlussmittel sechs Segmente 43a bis 43g aufweist, während es bei der Kreuzform nur vier Segmente gibt. In dieser Konstellation ist nach dem Aufplatzen die Durchflussöffnung größer als im Vergleich zur Kreuzform der Figur 4a. Da sich im Schnittpunkt drei Linien kreuzen, muss jedoch gewährleistet werden, dass beim Perforationsvorgang im Verschlussmittel an dieser Stelle kein Loch auftritt. FIG. 4b shows an embodiment in which thanks to the star-shaped formation of the perforation lines 13a, 13b and 13c, the closure means comprises six segments 43a to 43g, while there are only four segments in the cross shape. In this constellation, after the burst, the flow opening is larger than in comparison to the cross shape of FIG. 4a , However, since three lines intersect at the intersection, it must be ensured that no perforation occurs in the closure means at the perforation process at this point.

Natürlich könnte auch eine sternförmige Perforationskonfiguration mit mehr als drei Linien verwendet werden.Of course, a star-shaped perforation configuration with more than three lines could also be used.

Eine veränderte Geometrie wird in der Figur 4c dargestellt. Hier liegt der Schnittpunkt der mindestens zwei Linien 45a und 45b nicht mehr auf Höhe des Kanals 3, sondern außerhalb. Auch hierdurch kann eine relativ große Durchflussöffnung erziel werden.An altered geometry is in the Figure 4c shown. Here, the point of intersection of the at least two lines 45a and 45b is no longer at the level of the channel 3, but outside. This also makes it possible to achieve a relatively large flow opening.

Natürlich können verschiedene Geometrien, wie sie in den Figuren 4a bis 4c dargestellt sind, kombiniert werden, solange keine Fetzen der Folie abreißen können.Of course, different geometries, as in the FIGS. 4a to 4c are shown combined, as long as no shreds of the film can tear off.

Figur 5 zeigt die Verwendung eines erfindungsgemäßen Auslaufstutzens 1 beziehungsweise 31 in einem Beutel 51. Der Auslaufstutzen 1 wird durch eine Öffnung im Beutel 51 durchgeführt und dann mit der dem Kanal zugewandten Seite des Rings 5 an dieser, beispielsweise durch Schweißen, dichtend befestigt. Danach wird die Öffnung im Beutel 51 geschlossen. Die Innenseite eines solchen Beutels 51 ist dann von der Umgebung geschützt und kann steril gehalten werden. FIG. 5 shows the use of a discharge nozzle according to the invention 1 or 31 in a bag 51. The outlet 1 is performed through an opening in the bag 51 and then with the channel facing side of the ring 5 at this, for example by welding, sealingly attached. Thereafter, the opening in the bag 51 is closed. The inside of such a bag 51 is then protected from the environment and can be kept sterile.

Figur 6 zeigt ein Ablaufdiagramm eines Verfahrens zum Herstellen eines Verschlussmittels zum Anbringen an einen Auslaufstutzen, wie er in den Figuren 1 bis 4 dargestellt ist. Zunächst wird im ersten Schritt eine mehrschichtige Folie 61 aus mindestens zwei Schichten 63 und 65 bereitgestellt. Die erste Schicht 65 ist aus PET, während die zweite Schicht aus PE ist. Dank der unterschiedlichen Lichtabsorptionseigenschaften der beiden Schichten 65 und 63 wird dann in einem zweiten Schritt, beispielsweise unter Benutzung von Laserlicht, insbesondere eines CO2 Lasers, die erste Schicht 65 perforiert. Die perforierte Folie 67 wird dann auf Verschlusskappen angebracht, wobei dies individuell oder für mehrere Auslaufstutzen gleichzeitig durchgeführt werden kann. FIG. 6 shows a flow diagram of a method for producing a closure means for attachment to an outlet nozzle, as shown in the FIGS. 1 to 4 is shown. First, in the first step, a multilayer film 61 of at least two layers 63 and 65 is provided. The first layer 65 is made of PET, while the second layer is made of PE. Thanks to the different light absorption properties of the two layers 65 and 63, the first layer 65 is then perforated in a second step, for example using laser light, in particular a CO 2 laser. The perforated film 67 is then mounted on caps, which can be carried out individually or for a plurality of spouts simultaneously.

Claims (12)

  1. Outlet connection for a container (51), in particular for food products, with a conduit (3) having an outlet opening, and a sealing means (7) for aseptic sealing of the container (51), which covers the outlet opening of the conduit (3) of the outlet connection in a sealing manner, characterised in that the sealing means has a multiple-layer foil having at least two layers (9, 11), wherein a first layer (9) is perforated at predetermined locations (13) so that the sealing means (7) bursts open in a defined manner in the presence of a predetermined pressure load of a fluid, wherein the perforation (13) of the first layer (9) extends beyond the edge of the conduit (3) such that the sealing means (7) bursts open in the presence of the predermined pressure load without separating from the outlet connection.
  2. Outlet connection according to Claim 1, characterised in that the minimum of two layers (9, 11) has different light absorption characteristics.
  3. Outlet connection according to Claim 1 or 2, wherein the second layer (11) covers the outlet opening of the outlet connection in such a manner as to form a seal.
  4. Outlet connection according to one of the Claims 1 to 3, wherein the perforation (13) comprises at least two lines (13a, 13b, 45a, 45b).
  5. Outlet connection according to Claim 4, wherein the lines (45a, 45b) run diagonally to one another.
  6. Outlet connection according to one of the Claims 1 to 5, wherein the perforation (13) of the first layer (9) is formed in the shape of a cross or star.
  7. Outlet connection according to Claim 6, wherein the intersection (41) of the cross or star is arranged in the middle of the outlet opening of the outlet connection.
  8. Outlet connection according to one of the Claims 1 to 7, wherein the first layer (9) is made of polyethylene terephthalate (PET) or PETP and / or the second layer (11) is made of polyethylene (PE), LLDPE or polypropylene (PP).
  9. Outlet connection according to one of the Claims 1 to 8, wherein the conduit (3) of the outlet opening is made of HDPE.
  10. Outlet connection according to one of the Claims 1 to 9, wherein the sealing means (7) is formed in such a way that it bursts open at pressures of 100 mbar or more, particularly in a range of from 300 to 500 mbar.
  11. Outlet connection according to one of the Claims 1 to 10, wherein the first layer (9) has a layer thickness of from 10 to 15 µm, particularly of 12 µm, and / or the second layer (11) has a layer thickness of from 40 to 60 µm.
  12. Container, particularly for food products, with an outlet connection (1, 31) according to one of the Claims 1 to 11.
EP20060023158 2006-11-07 2006-11-07 Spout for a container Active EP1921017B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT06023158T ATE443666T1 (en) 2006-11-07 2006-11-07 OUTLET FOR A CONTAINER
DE200650004930 DE502006004930D1 (en) 2006-11-07 2006-11-07 Outlet for a container
EP20060023158 EP1921017B1 (en) 2006-11-07 2006-11-07 Spout for a container
DE202007003840U DE202007003840U1 (en) 2006-11-07 2007-03-15 Sterile seal especially for food product container has a double layer plastic film with grooves to facilitate safe rupturing of seal for filling
RU2007136973/12A RU2007136973A (en) 2006-11-07 2007-09-27 NECK FOR CONTAINER
ZA200708930A ZA200708930B (en) 2006-11-07 2007-10-17 Outlet connection for a container
PCT/EP2007/009661 WO2008055677A2 (en) 2006-11-07 2007-11-07 Discharge connecting piece for a container
US11/936,654 US20080156375A1 (en) 2006-11-07 2007-11-07 Outlet Connection for a Container
EP07819671A EP2094575A2 (en) 2006-11-07 2007-11-07 Discharge connecting piece for a container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20060023158 EP1921017B1 (en) 2006-11-07 2006-11-07 Spout for a container

Publications (2)

Publication Number Publication Date
EP1921017A1 EP1921017A1 (en) 2008-05-14
EP1921017B1 true EP1921017B1 (en) 2009-09-23

Family

ID=37845343

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20060023158 Active EP1921017B1 (en) 2006-11-07 2006-11-07 Spout for a container
EP07819671A Withdrawn EP2094575A2 (en) 2006-11-07 2007-11-07 Discharge connecting piece for a container

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07819671A Withdrawn EP2094575A2 (en) 2006-11-07 2007-11-07 Discharge connecting piece for a container

Country Status (7)

Country Link
US (1) US20080156375A1 (en)
EP (2) EP1921017B1 (en)
AT (1) ATE443666T1 (en)
DE (2) DE502006004930D1 (en)
RU (1) RU2007136973A (en)
WO (1) WO2008055677A2 (en)
ZA (1) ZA200708930B (en)

Families Citing this family (7)

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MX2009002954A (en) * 2006-09-26 2009-03-31 Cadbury Adams Usa Llc Rupturable blister package.
US9216850B2 (en) 2006-09-26 2015-12-22 Intercontinental Great Brands Llc Rupturable substrate
ATE443666T1 (en) * 2006-11-07 2009-10-15 Indag Gmbh OUTLET FOR A CONTAINER
US20090317312A1 (en) * 2008-06-20 2009-12-24 Shawn Mikuski Frangible seal for capsules utilized to dispense chemicals into swimming pools, spas, and other pools of water
WO2013036564A2 (en) * 2011-09-09 2013-03-14 Fountain Master, Llc Beverage maker
FR3027647B1 (en) * 2014-10-24 2016-12-09 Commissariat Energie Atomique BREAK DISC FOR A DEVICE FOR PROTECTING AGAINST SURPRESSIONS IN THE INTERIOR OF EQUIPMENT, APPLICATION TO EQUIPMENT INTENDED TO CONTAIN SUCCESSIVELY TWO GASES OF A DIFFERENT CHEMICAL NATURE
US11930943B2 (en) * 2019-04-12 2024-03-19 Sean Michel Connolly Interactive multi-chamber container

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Also Published As

Publication number Publication date
EP2094575A2 (en) 2009-09-02
US20080156375A1 (en) 2008-07-03
ZA200708930B (en) 2009-09-30
DE202007003840U1 (en) 2007-05-24
ATE443666T1 (en) 2009-10-15
WO2008055677A2 (en) 2008-05-15
DE502006004930D1 (en) 2009-11-05
RU2007136973A (en) 2009-04-10
WO2008055677A3 (en) 2009-04-23
EP1921017A1 (en) 2008-05-14

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