EP0600502B1 - Sachet tenant debout à ouverture par perforation améliorée - Google Patents

Sachet tenant debout à ouverture par perforation améliorée Download PDF

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Publication number
EP0600502B1
EP0600502B1 EP93119475A EP93119475A EP0600502B1 EP 0600502 B1 EP0600502 B1 EP 0600502B1 EP 93119475 A EP93119475 A EP 93119475A EP 93119475 A EP93119475 A EP 93119475A EP 0600502 B1 EP0600502 B1 EP 0600502B1
Authority
EP
European Patent Office
Prior art keywords
foil
beverage container
sealing
container according
piercing opening
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.)
Expired - Lifetime
Application number
EP93119475A
Other languages
German (de)
English (en)
Other versions
EP0600502A2 (fr
EP0600502A3 (fr
Inventor
Rainer Dr. Wild
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.)
Deutsche Sisi Werke Betriebs GmbH
Original Assignee
Deutsche Sisi Werke Betriebs GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6474220&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0600502(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Deutsche Sisi Werke Betriebs GmbH filed Critical Deutsche Sisi Werke Betriebs GmbH
Priority to DE59306656.1T priority Critical patent/DE59306656C5/de
Publication of EP0600502A2 publication Critical patent/EP0600502A2/fr
Publication of EP0600502A3 publication Critical patent/EP0600502A3/fr
Application granted granted Critical
Publication of EP0600502B1 publication Critical patent/EP0600502B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • B65D75/008—Standing pouches, i.e. "Standbeutel"

Definitions

  • the invention relates to a beverage container, in particular beverage bags made of monomaterial or multi-layer composite material, which is provided with a puncture opening for piercing a drinking straw.
  • DE-A-10 99 445 Another structure is described in DE-A-10 99 445, which is implemented on a tetrahedral packaging container.
  • the container wall is formed from a carrier layer and a plastic layer on the inside.
  • An opening is provided for inserting a drinking straw, but this does not go through the inner plastic layer.
  • the drinking straw only has to penetrate the plastic layer at this puncture opening.
  • the present invention is based on the object of creating a beverage container which enables easy insertion of a drinking straw and which is also justifiable from the point of view of environmental protection,
  • this object is achieved by a beverage container with the features of the characterizing part of claim 1 or claim 2.
  • This solution enables simple insertion of the drinking straw without an additional tear-open flap to be attached to the outside, the puncture opening being sealed only by a sealing film which is attached to the inside of the mono- or composite material around the puncture opening.
  • the weld at the puncture opening is relieved by fixing the sealing film to the side seams.
  • the sealing film can either be welded in a ring-shaped, square, rectangular, grid-like manner or in concentric circles around the puncture opening on the inside of the mono- or composite material as a "patch". It is crucial that there is a tight seal around the puncture opening.
  • the puncture opening can either be a puncture hole or be punched into the mono or composite material like a cross slot.
  • a cross-slit puncture opening gives me the advantage that the material of the container wall is still largely available as an oxygen barrier.
  • Polyethylene, polypropylene and copolymers are provided as materials for the sealing film.
  • the material which is between 20 and 60 ⁇ m thin, allows the straw to be easily inserted, thereby avoiding piercing the back of the bag and preventing the liquid from escaping uncontrollably from the puncture hole.
  • the use of composite film as a sealing film has proven to be particularly advantageous, the structure of which can look like the following: sealing material, coupling agent, barrier layer, coupling agent, sealing material, polyethylene, polypropylene and copolymers being suitable as sealing material, and materials such as EVOH, polyamides as the barrier layer or polyvinyl alcohol can be used.
  • the sealing film can not only be produced as a coextrusion film, but the individual film layers can also be connected using laminating adhesive.
  • One advantage of such composite films is that the barrier layers are hardly permeable to oxygen, and thus there is ideal protection for the filling material.
  • the closure film can simply be designed as a strip and fixed to the side seams of the beverage bag by means of additional welding spots.
  • sealing film strip is made so wide that it protrudes in the area of the head seal seam, sufficient sealable material is available in this critical area so that the head seal seam can be securely welded in any case, also with regard to any foam formation and splashes of juice that may occur. Due to the additional sealing material at this point, the sealing layer of the front or back of the bag can be kept thinner, which leads to a more cost-effective production of the beverage bags. In this context, sealing film strips thicker than 60 ⁇ m can also be used.
  • the composite material which can be constructed as follows, for example, from the outside in: Polyester film / printing ink / laminating adhesive / aluminum foil / laminating adhesive / polyethylene film.
  • the laminating adhesive which is applied between aluminum foil and polyester foil, is exposed in conventional manufacturing processes by punching out the polyester foil.
  • the adhesive must therefore dry quickly so that the film webs do not stick together on the roll.
  • solvent-based adhesives One waives on the other hand, on the hole in the polyester film, since the puncture hole is only punched later in the course of the bag production, there is the possibility of using a solvent-free adhesive, which in turn is positive from an environmental point of view.
  • FIG. 1 shows a perspective view of a beverage bag 1 made of multilayer composite material 3 with a puncture hole 2 for piercing a drinking straw, with a height h and a width b.
  • FIG. 2 shows a longitudinal section through the front bag wall 14 of the beverage bag 1, consisting of a triple composite material 3, which is constructed from the outside in as follows: polyester film 6 (12 ⁇ m) / / printing ink / laminating adhesive 13 / aluminum film 5 (12 ⁇ m) / Laminating adhesive 13 / polyethylene film 4 (100 ⁇ m). A puncture hole 2 is punched through all layers 4, 5, 6 for piercing a drinking straw.
  • a sealing film 7 is welded around the puncture hole 2 at the welding points 8.
  • the beverage container is thus closed by the closure film 7, which can be easily pierced with a drinking straw.
  • FIG. 3 shows an exemplary embodiment of the invention, in which the sealing film strip 7 is welded in a ring around the puncture hole 2 at the welding points 8 on the inside of the composite material 3, and is additionally fixed to the side seams 12 of the beverage bag by means of welding points 9.
  • the sealing film strip does not protrude into the area of the head sealing seam 10.
  • FIG. 4 shows a further exemplary embodiment, the closure film 11 being welded in a ring shape as a “patch” around the puncture hole 2 at the welding points 8 on the inside of the composite material 3.
  • Figure 5 shows a third embodiment of the invention, wherein the sealing film strip 7 is attached as in the embodiment shown in Figure 3, but is so wide that it protrudes into the area of the head seal 10 to be welded to be, whereby there is sufficient sealable material to securely weld the sealing seam 10, so that the inner polyethylene layer 4 can be reduced to less than 90-100 microns thick.
  • the welding of the sealing film around the puncture hole 2 is not limited to an annular shape.
  • a monomaterial such as polyethylene or else a composite film can be used as the sealing film material, which can be constructed as follows: polyethylene film / coupling agent / EVOH / coupling agent / polyethylene film.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Cartons (AREA)

Claims (18)

  1. Récipient à boisson, en particulier sachet à boisson, un seul matériau ou en un matériau composite à plusieurs couches, pourvu d'une ouverture par perforation pour enfiler une paille à boire, caractérisé en ce que l'ouverture par perforation (2) est réalisée par estampage à travers toutes les couches (4, 5, 6) du matériau ou du matériau composite et une feuille de fermeture (7) supplémentaire est posée autour de l'ouverture par perforation (2) sur la face intérieure du matériau ou du matériau composite (3), et est exposée vers l'extérieur à travers l'ouverture par perforation (2), la feuille de fermeture (7) étant soudée à un premier emplacement de soudure autour de l'ouverture de perforation (2), si bien qu'est constituée une fermeture plus étanche, et étant soudée à au moins un deuxième emplacement de soudure sur les cordons latéraux (12) du récipient à boisson.
  2. Récipient à boisson, en particulier sachet à boisson, réalisé en un seul matériau ou en un matériau composite à plusieurs couches, pourvu d'une ouverture par perforation pour enfiler une paille à boire, caractérisé en ce que l'ouverture par perforation (2) est réalisée par estampage à travers toutes les couches (4, 5, 6) du matériau ou du matériau composite (3) et, une feuille de fermeture (11) supplémentaire, est posée autour de l'ouverture par perforation (2), sur la face intérieure du matériau ou matériau composite (3), et est exposée vers l'extérieur à travers l'ouverture par perforation, la feuille de fermeture étant rapportée par soudage sous forme de "rapiéçage", sur l'ouverture par perforation (2).
  3. Récipient à boisson selon la revendication 1 ou 2, caractérisé en ce que l'ouverture par perforation (2) est estampée à la façon d'une fente en croix, dans le matériau ou le matériau composite (3).
  4. Récipient à boisson selon la revendication 1 ou 2, caractérisé en ce que l'ouverture par perforation (2) est estampée sous la forme d'un trou produit par perforation.
  5. Récipient à boisson selon la revendication 1 ou 2, caractérisé en ce qu'une mono-feuille est prévue comme feuille de fermeture (7, 11).
  6. Récipient à boisson selon l'une des revendications 1 à 5, caractérisé en ce que du polyéthylène ou du polypropylène ou des copolymères sont prévus comme matériaux de la feuille de fermeture (7, 11).
  7. Récipient à boisson selon la revendication 1 ou 2, caractérisé en ce qu'une feuille composite est prévue comme feuille de fermeture (7, 11).
  8. Récipient à boisson selon la revendication 7, caractérisé en ce que la feuille de fermeture (7, 11) présente la structure ci-après : matériau de scellage/adhésif/couche barrière/adhésif/matériau de scellage.
  9. Récipient à boisson selon la revendication 1 ou 2, caractérisé en ce que la feuille de fermeture (7, 11) présente la structure ci-après : matériau de scellage/adhésif de contre-collage/couche barrière/adhésif de contre-collage/matériau de scellage.
  10. Récipient à boisson selon la revendication 8 ou 9, caractérisé en ce que la couche barrière consiste en EVOH ou en des polyamides ou en alcool polyvinylique.
  11. Récipient à boisson selon l'une des revendications 8, 9 ou 10, caractérisé en ce que du polyéthylène ou du polypropylène ou des copolymères sont prévus comme matériau de scellage.
  12. Récipient à boisson selon l'une des revendications 1 à 11, caractérisé en ce que la feuille de fermeture (7, 11) a une épaisseur entre 20 et 120 µm.
  13. Récipient à boisson selon l'une des revendications 1 à 11, caractérisé en ce que la feuille de fermeture (7, 11) a une épaisseur supérieure à 60 µm.
  14. Récipient à boisson selon la revendication 1, caractérisé en ce que la feuille (7) est réalisée sous forme de bande et le au moins un deuxième emplacement de soudure est formé sur les cordons latéraux (12) du récipient à boisson (1), par des points de soudure (9).
  15. Récipient à boisson (1) selon la revendication 1 ou 14, caractérisé en ce que la bande de feuille (7) est d'une largeur la faisant ressortir dans la zone du cordon de scellage de tête (10).
  16. Récipient à boisson (1) selon la revendication 1 ou 2, caractérisé en ce que le matériau composite (3) à plusieurs couches est une feuille composite triple, qui est constituée d'une feuille de polyester (6), d'une feuille d'aluminium (5) et d'une feuille de polyéthylène (4), la feuille de polyester (6) ayant une épaisseur de 9 à 15 µm et la feuille d'aluminium (9) ayant une épaisseur de 6 à 12 µm, et la feuille de polyéthylène ayant une épaisseur de 80 à 100 µm.
  17. Récipient à boisson selon la revendication 15 ou 16, caractérisé en ce que la feuille de polyéthylène (4) de la feuille composite triple est d'une épaisseur inférieure à 80 µm.
  18. Récipient à boisson selon la revendication 16, caractérisé en ce que la feuille de polyester (6) et la feuille d'aluminium (5) sont collées avec un adhésif sans solvant.
EP93119475A 1992-12-02 1993-12-02 Sachet tenant debout à ouverture par perforation améliorée Expired - Lifetime EP0600502B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE59306656.1T DE59306656C5 (de) 1992-12-02 1993-12-02 Standbeutel mit verbesserter Einstichöffnung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4240540A DE4240540A1 (de) 1992-12-02 1992-12-02 Standbeutel mit verbesserter Einstichöffnung
DE4240540 1992-12-02

Publications (3)

Publication Number Publication Date
EP0600502A2 EP0600502A2 (fr) 1994-06-08
EP0600502A3 EP0600502A3 (fr) 1995-06-14
EP0600502B1 true EP0600502B1 (fr) 1997-06-04

Family

ID=6474220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93119475A Expired - Lifetime EP0600502B1 (fr) 1992-12-02 1993-12-02 Sachet tenant debout à ouverture par perforation améliorée

Country Status (10)

Country Link
US (1) US5425583A (fr)
EP (1) EP0600502B1 (fr)
JP (1) JP2690263B2 (fr)
CN (1) CN1037951C (fr)
AT (1) ATE153959T1 (fr)
DE (3) DE4240540A1 (fr)
DK (1) DK0600502T3 (fr)
ES (1) ES2105055T3 (fr)
GR (1) GR3023759T3 (fr)
SA (1) SA94140623B1 (fr)

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DE202008005650U1 (de) 2008-04-23 2008-10-23 Plümat Plate & Lübeck GmbH & Co. Standbodenbeutel

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DE202008005650U1 (de) 2008-04-23 2008-10-23 Plümat Plate & Lübeck GmbH & Co. Standbodenbeutel

Also Published As

Publication number Publication date
US5425583A (en) 1995-06-20
EP0600502A2 (fr) 1994-06-08
ATE153959T1 (de) 1997-06-15
GR3023759T3 (en) 1997-09-30
DE4244843C2 (de) 1999-07-15
DE4240540A1 (de) 1994-06-09
DK0600502T3 (da) 1997-10-13
DE59306656D1 (de) 1997-07-10
CN1037951C (zh) 1998-04-08
CN1091388A (zh) 1994-08-31
JP2690263B2 (ja) 1997-12-10
JPH072259A (ja) 1995-01-06
DE59306656C5 (de) 2014-09-25
SA94140623B1 (ar) 2006-06-10
EP0600502A3 (fr) 1995-06-14
ES2105055T3 (es) 1997-10-16

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