EP0135431B1 - Herstellungsverfahren für Behälterverschlüsse, durch abschälen zu öffnen, und Verschlüsse die durch die Anwendung dieses Verfahrens erhalten werden - Google Patents

Herstellungsverfahren für Behälterverschlüsse, durch abschälen zu öffnen, und Verschlüsse die durch die Anwendung dieses Verfahrens erhalten werden Download PDF

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Publication number
EP0135431B1
EP0135431B1 EP84401674A EP84401674A EP0135431B1 EP 0135431 B1 EP0135431 B1 EP 0135431B1 EP 84401674 A EP84401674 A EP 84401674A EP 84401674 A EP84401674 A EP 84401674A EP 0135431 B1 EP0135431 B1 EP 0135431B1
Authority
EP
European Patent Office
Prior art keywords
strip
coating
process according
peeling
holes
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
Application number
EP84401674A
Other languages
English (en)
French (fr)
Other versions
EP0135431A1 (de
Inventor
Daniel Wolfersperger
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.)
Amcor Flexibles Selestat SAS
Original Assignee
Alsacienne DAluminium
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 Alsacienne DAluminium filed Critical Alsacienne DAluminium
Priority to AT84401674T priority Critical patent/ATE24697T1/de
Publication of EP0135431A1 publication Critical patent/EP0135431A1/de
Application granted granted Critical
Publication of EP0135431B1 publication Critical patent/EP0135431B1/de
Expired 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
    • B65D77/2048—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
    • B65D77/2056—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened
    • B65D77/206—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened so as to uncover one or more preformed openings made through some layers of the cover
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2066—Means on, or attached to, container flange facilitating opening, e.g. non-bonding region, cut-out
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2075—Lines of weakness or apertures
    • B65D2577/2091—Lines of weakness or apertures in cover
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1056—Perforating lamina
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062—Prior to assembly

Definitions

  • the present invention relates to a method of manufacturing lids intended for closing receptacles with peeling openings, these lids being of the type comprising an orifice and two closing elements arranged on either side of the orifice which they seal and in which they adhere to each other.
  • Lids of this type have been developed to close containers containing food products such as drinks or yogurt. Those currently found on the market are not entirely satisfactory, however.
  • the installation of their closing elements indeed requires a lot of time and leads to relatively high manufacturing costs.
  • their internal closing element that is to say the one which is intended to be on the side of the product to be packaged, is clearly smaller than the inlet of the container and does not always perfectly fulfill its function of sealing. In addition, it is often difficult to position over the opening.
  • the manufacturing of the lids can thus be entirely mechanized, which makes it possible to accelerate the production rates and consequently to lower the cost price of these lids.
  • the containers can be closed in a perfectly sealed manner and the quality of the packaged product therefore does not risk spreading over time.
  • the first and second coatings When at least one of the first and second coatings is called upon to constitute one of the faces of the multilayer ply, it may be advantageous to apply it by extrusion-lamination, laminating or paraffinizing.
  • the multilayer ply when it is desirable for the multilayer ply to have more than three layers, at least one of the first and second coatings can be applied by sandwich extrusion between the perforated strip and an additional strip.
  • opening primers are produced between the perforated strip and the first coating, in areas located on the cutting lines of the multilayer ply.
  • the consumer has a better grip on the first coating and will therefore be able to separate it more easily from the perforated strip.
  • the part of the second coating which is integral with the first coating will of course be torn off with the latter, which will then allow the consumer to have access to the contents of the container.
  • the opening primers can be produced by creating zones of non-adhesion on the strip, prior to the application of the first coating, for example by application of '' a varnish based on polysiloxane or polyamide or nitrocellulose ink, on rotogravure or flexo printer.
  • the opening primers can also be produced by carrying out additional perforations in the strip, prior to the application of the first and second coatings.
  • the second coating is covered by an additional strip
  • the multilayer ply 1 which is shown on the left in FIG. 1 is in the form of a coil making it possible to produce it with a length of several hundred linear meters.
  • the ply consists of three layers, namely an intermediate strip 2 pierced with holes 3 judiciously spaced from each other, and two coatings 4,5 applied to the upper and lower faces of the intermediate strip, these two coverings closing the holes 3 in which they strongly adhere to one another.
  • the ply 1 could comprise more than three layers, the coatings 4 and 5 possibly being covered in turn by a coating with one or more layers.
  • the intermediate strip 2 can have a thickness of the order of 15 to 200 microns (1.5 to 20-10 ⁇ m) and be made of metal, in particular aluminum or aluminum alloy, of a cellulosic material such as paper, or a synthetic material such as polyvinyl chloride, polyester, polypropylene, polyethylene, polyamide, polybutylene, etc.
  • the coatings 4, 5 can have a thickness of the order of 10 to 100 microns (1 to 10 ⁇ 10 -5 m) and be made of a synthetic material such as polyester, polypropylene, polyethylene, polybutylene, a polyamide, an ethylene-acrylic acid copolymer, an ionomer resin, etc.
  • the coating 4, that is to say that which is fixed on the upper face of the intermediate strip 2 is made of a material which has little affinity for the latter so as to be able to be separated therefrom relatively easily by peeling.
  • the covering 5 is made of a material which has a great affinity for the intermediate strip and the covering 4, so that it cannot be separated from the latter.
  • the coatings 4 and 5 are themselves coated with an additional coating, the latter is preferably constituted by an aluminum strip optionally coated on its external face with a layer of polyester, polypropylene, polyethylene , polybutylene, polyamide, ethylene-acrylic acid copolymer, ionomer resin, iron-on varnish, etc.
  • the multilayer ply 1 is intended to be cut along the closed lines 6 corresponding to the outline of the lids 7 to be produced.
  • the location of these lines, as well as that of the holes 3 of the intermediate strip 2, are of course chosen so that each cover has a hole 3 and that the cutting falls are as small as possible.
  • the ply 1 comprises, between the intermediate strip 2 and the coating 4, non-adhesion zones 8 adjacent to one of the sides of the lids 7. These zones are in fact provided to allow the consumer wishing to open a container closed by a cover 7 to more easily grasp the coating 4 in order to remove it without difficulty by peeling.
  • FIG. 2 which illustrates the technique of extrusion-lamination
  • the intermediate strip 2 circulates between two rotary cylinders 10, 11 while a die 12 of conventional design delivers a viscous film 13 in the slot formed between the upper face of the strip 2 and the downstream cylinder 11.
  • the film 13, which consists of a molten material intended to form the coating 4 is slightly pushed back into the holes 3 (and where appropriate in the holes corresponding to the tongues 9) of the strip 2 during its passage between the two cylinders, then cooled between two suitable cylinders not shown.
  • non-adhesion zones 8 can be produced on the intermediate strip by printing a varnish or an ink on a gravure or flexo printer, prior to the application of the film 13.
  • the coating 4 When the coating 4 is deposited over the entire length of the intermediate strip, the latter is then turned over and put back into circulation between the cylinders 10 and 11, as shown in FIG. 3.
  • the film 14 is in turn slightly pushed back into the holes 3 (and the holes 9 when these exist) during its passage between the cylinders 10, 11, which allows it to come into contact with the coating 4 and strongly adhere to the latter, after which it solidifies between the above mentioned cooling cylinders.
  • the coatings 4 and 5 could of course be applied with the same machine equipped with two dies. Furthermore, to increase the adhesion between one of the coatings and the strip 2, for example at the periphery of the holes 3 (and 9 if these exist), the corresponding face of the strip may be coated with a promoter d adhesion applied by a helio element integrated on the extruder, or treating said face by effluvage, in particular by Corona discharge.
  • FIG. 5 illustrates the sandwich extrusion technique
  • the strip 2 and an additional strip 15 circulate between two rotary cylinders 16, 17, while a die 18 delivers a viscous film 19 in the slot made between the two strips 2 and 15.
  • the film 19, which consists of a molten material which may be one of those used to produce the coating 5, is slightly pushed back into the holes 3 of the strip 2, then cooled in a manner known per se.
  • the material constituting the film 19 could have a great affinity for the strip 2 and little affinity for the additional strip 15.
  • the additional strip could in fact be separated by peeling from the strip 2, which would make it possible to put bare a sterile surface.
  • FIG. 6 which illustrates the technique of lamination
  • the perforated strip 2 and a strip 20, preferably made of aluminum circulate between two rotary cylinders 21, 22.
  • the sheet 20 circulates between a cylinder 23 immersed in an adhesive bath 24 and a pressure cylinder 25.
  • the strip 20 is slightly pushed back into the holes 3 during its passage between the cylinders 21, 22 and adheres perfectly to the strip 2 at the outlet of an appropriate dryer (not shown) making it possible to evaporate the water contained in the glue .
  • FIG. 7 illustrates the waxing technique
  • the perforated strip 2 circulates in a bath of wax 26 or “hot-melt” in the molten state, before being sandwiched between two bands 27, 28, metallic or not, flowing between two rotary cylinders 29, 30.
  • the bands 27 and 28 adhere to each other in the holes 3 (and the holes 9 when these exist) while a cooling cylinder (not shown) is provided to harden and solidify the wax or hot-melt.
  • FIG. 7 shows an installation making it possible to fix the two strips 27, 28 simultaneously on the strip 2. It goes without saying, however, that only one of the two strips 27 and 28 could be fixed by waxing.
  • the technique used to apply the coating 4 could of course be different from that used to apply the coating 5.
  • the multi-layer tablecloths 1 are supplied on a reel to manufacturers processing products such as drinks or yoghurts.
  • these manufacturers manufacture containers of the type of those shown at 32 in FIGS. 8 to 10, generally by thermoforming a strip of plastic material, then fill the containers 32 with the product, fix the multilayer sheet 1 or 1 a (with the coating 4 turned upwards) by heat-sealing, crimping or ultrasonic welding along the entry of the containers, and cut the sheet 1 or 1 a along the lines 6 visible in the figure 1, which correspond to the outer contour of the opening of the containers (and that of the tongues 9 in the case of the ply 1 a).
  • the layers 1 or 1 a could be brought for a few minutes to a temperature above 100 ° C. in order to make sterile and allow the packaging of products under perfectly aseptic conditions.
  • the part of the ply 1 which corresponds to one of the holes 9 in the strip 2, constitutes a gripping tab which the consumer can easily grasp to separate the coating. 4 of the strip 2 and tear off the part of the covering 5 located in the hole 3.
  • the present invention also relates to the lids obtained by the implementation of the method described above, as well as the containers closed by such lids.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Closing Of Containers (AREA)
  • Laminated Bodies (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Cartons (AREA)
  • Making Paper Articles (AREA)
  • Wrappers (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (15)

1. Verfahren zur Herstellung von Deckeln zum Verschliessen von Behälterns mit Öffnung durch Schälen, wobei diese Deckel von der Art sind, die eine Öffnung und zwei Verschlusselemente beiderseits der von ihnen zu verschliessenden Öffnung aufweist und worin sie aneinander kleben, dadurch gekennzeichnet, dass es bezweckt,
- in einem Streifen (2) eine Reihe von Löchern (3) zur Bildung der Deckelöffnungen auszuführen,
- auf einer der Seiten des gelochten Streifens (2) einen ersten durchgehenden Belag (4) zur Bildung des einen der beiden Verschlusselemente anzubringen, der mindestens teilweise durch Schälen vom Streifen getrennt werden kann,
- auf der anderen Seite des gelochten Streifens (2) einen zweiten durchgehenden Belag (5) derart anzubringen, dass er mit denjenigen Teilen des ersten Belages (4) in Kontakt kommt, die durch die Löcher (3) abgegrenzt werden, und an diesen Teilen sowie am gelochten Streifen (2) fest anhaftet, wobei dieser zweite Belag (5) zur Bildung des anderen Verschlusselementes bestimmt ist, und
- die so gebildete mehrschichtige Auflage (1) so abzuschneiden, dass die Löcher (3) alle auf einen Deckel (7) zu liegen kommen.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass mindestens einer des ersten und zweiten Belages (4, 5) auf dem gelochten Streifen (2) durch Aufwalzen nach Strangguss, Gegenklebung oder Paraffinieren aufgebracht wird.
3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass mindestens einer des ersten und zweiten Belages (4, 5) durch Sandwich-Strangpressen zwischen dem gelochten Streifen (2) und einem zusätzlichen Streifen (15; 20; 27, 28) aufgebracht wird.
4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Anhubstellen an den Öffnungen (8, 9) zwischen dem gelochten Streifen (2) und dem ersten Belag (4) in Bereiche auf den Schnittlinien (6) der Mehrschichtauflage (1) angebracht werden.
5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Öffnungsgreifenden in der Weise ausgeführt werden, dass nichthaftende Bereiche (8) auf dem Streifen (2) vordem Anbringen des ersten Belages (4) geschaffen werden.
6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass nichthaftende Bereiche (8) durch Anbringen eines Firnisses oder einer Farbe auf dem Helia- oder Flexodrucker geschaffen werden.
7. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Öffnungsgreifenden durch Vornahme von zusätzlichen Lochungen (9) im Streifen (2) vor dem Anbringen des ersten und zweiten Belages (4, 5) ausgeführt werden.
8. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Streifen (2) eine Dicke von 15 bis 200 Mikron (1,5 bis 20.1 0-5 m) aufweist, und in Aluminium, Aluminiumlegierung, Polyvinylchlorid, Polyester, Polypropylen, Polyäthylen, Polybutylen, Polyamid oder aus Papier ausgeführt wird.
9. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste und zweite Belag (4, 5) eine Dicke von 10 bis 100 Mikron (1 bis 10·10-5m) aufweist und in Polyester, Polypropylen, Polyäthylen, Polybutylen, Polyamide und in Copolymer-Äthylenacrylsäure oder aus lonomerharz ausgeführt wird.
10. Verfahren nach Anspruch 3 und einem der Ansprüche 4 bis 9, dadurch gekennzeichnet, dass der zusätzliche Streifen (15; 20; 28, 29) aus Aluminium besteht und an seiner Aussenseite mit einer Schicht aus Polyester, Polypropylen, Polyäthylen, Polybutylen, Polyamide, Copolymer- Äthylen-Acrylsäure, lonomerharz oder heissklebendem Firnis überzogen ist.
11. Verfahren nach einem der vorhergehenden Ansprüche 3 und 10, dadurch gekennzeichnet, dass der zusätzliche Streifen (15; 20; 28, 29) durch Losschälen abtrennbar ist.
12. Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass der zusätzliche Streifen (15, 20, 28, 29) in einem sterilen Gurt vor der Befestigung der Deckel (7) auf den Behältern (32) trennt.
13. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass Aufdrücke (31) auf dem gelochten Streifen (2) vor dem Anbringen des ersten Belages (4) ausführt, wenn dieser durchsichtig ist.
14. Deckel, die durch Durchführung des Verfahrens nach einem der vorhergehenden Ansprüche erhalten werden.
15. Behälter mit Öffnung durch Abschälen und Verschluss durch einen Deckel nach Anspruch 14.
EP84401674A 1983-08-24 1984-08-16 Herstellungsverfahren für Behälterverschlüsse, durch abschälen zu öffnen, und Verschlüsse die durch die Anwendung dieses Verfahrens erhalten werden Expired EP0135431B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84401674T ATE24697T1 (de) 1983-08-24 1984-08-16 Herstellungsverfahren fuer behaelterverschluesse, durch abschaelen zu oeffnen, und verschluesse die durch die anwendung dieses verfahrens erhalten werden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8313639A FR2551031B1 (fr) 1983-08-24 1983-08-24 Recipient a ouverture par pelage et procede de production des elements de fermeture de tels recipients
FR8313639 1983-08-24

Publications (2)

Publication Number Publication Date
EP0135431A1 EP0135431A1 (de) 1985-03-27
EP0135431B1 true EP0135431B1 (de) 1987-01-07

Family

ID=9291771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84401674A Expired EP0135431B1 (de) 1983-08-24 1984-08-16 Herstellungsverfahren für Behälterverschlüsse, durch abschälen zu öffnen, und Verschlüsse die durch die Anwendung dieses Verfahrens erhalten werden

Country Status (11)

Country Link
US (1) US4636273A (de)
EP (1) EP0135431B1 (de)
JP (1) JPS60110653A (de)
AT (1) ATE24697T1 (de)
AU (1) AU564653B2 (de)
CA (1) CA1225268A (de)
DE (1) DE3461910D1 (de)
ES (1) ES535348A0 (de)
FR (1) FR2551031B1 (de)
MY (1) MY100198A (de)
SG (1) SG69187G (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5514442A (en) 1987-09-09 1996-05-07 Stanpac, Inc. Sealing member for a container

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FR2585986B2 (fr) * 1981-04-01 1987-12-18 Erca Bande composite a couvercles pour recipients thermoplastiques et procede, dispositif et installation de fabrication d'une telle bande composite
JPH0248376Y2 (de) * 1984-10-11 1990-12-19
JPH0662175B2 (ja) * 1985-06-04 1994-08-17 東洋アルミニウム株式会社 部分開封可能な密封容器
US4735335A (en) * 1985-08-06 1988-04-05 Etude Et Realisation De Chaines Automatiques-E.R.C.A. Composite band for lids for thermoplastic containers
DE3663925D1 (en) * 1985-10-04 1989-07-20 Alcan Rorschach Ag Lid made of laminate with an opening closed by a strip member,and method for making it
FR2615488B1 (fr) * 1987-05-20 1990-05-18 Aluminium Societe Alsacienne Opercule pour la fermeture d'un recipient comprenant une zone de scellage en matiere thermoplastique, et procede pour la fabrication de cet opercule
US5217790A (en) * 1987-09-09 1993-06-08 Stanpac Inc. Elongate strip for the production of sealing members for containers
US5261990A (en) * 1987-09-09 1993-11-16 Stanpac Inc. Method of making an elongate strip for the production of sealing members for containers
CA1336708C (en) * 1987-09-09 1995-08-15 Michael P. Galda Sealing member for a container
JPH0188870U (de) * 1987-12-04 1989-06-12
JPH0531109Y2 (de) * 1988-07-05 1993-08-10
JPH02152676A (ja) * 1988-11-30 1990-06-12 Nippon Tokkyo Kanri Kk 包装体及びその製法
US5055152A (en) * 1988-11-30 1991-10-08 Mitsubishi Monsanto Chemical Company Easily separable laminated/perforated film for packings, and its manufacturing method
US5004111A (en) * 1989-02-27 1991-04-02 Minnesota Mining & Manufacturing Company Internally delaminating tabbed innerseal for a container and method of applying
US4934544A (en) * 1989-02-27 1990-06-19 Minnesota Mining And Manufacturing Company Z-tab innerseal for a container and method of application
US4964562A (en) * 1989-06-27 1990-10-23 International Paper Co. Gable top container having a pour spout fitment
FR2649071B1 (de) * 1989-06-28 1991-10-25 Erca Holding
US5176314A (en) * 1989-12-25 1993-01-05 Sumitomo Bakelite Company Limited Easily openable sealed container
AU4374193A (en) * 1992-06-05 1994-01-04 Minnesota Mining And Manufacturing Company Multilayer innerseal facing
US5353943A (en) * 1993-03-15 1994-10-11 Sonoco Products Company Easy-opening composite closure for hermetic sealing of a packaging container by double seaming
FR2716442B1 (fr) * 1994-02-23 1996-09-13 Lawson Mardon Trentesaux Sa Structure multicouche, destinée notamment à réaliser des opercules pour fermer des contenants.
US5702015A (en) * 1994-05-04 1997-12-30 Selig Sealing Products, Inc. Closure seal for container
DE19510732C1 (de) * 1995-03-24 1996-05-23 Tscheulin Rothal Gmbh Verfahren zum Verschließen einer Behälteröffnung, Behälter mit einem Behälterverschluß sowie Deckelmaterial zur Herstellung eines solchen Behälterverschlusses
FR2734243B1 (fr) * 1995-05-16 1997-08-08 Alsacienne Aluminium Bande composite a opercules pour recipients thermoplastiques a ouverture par pelage
US6133530A (en) * 1998-02-27 2000-10-17 3Com Corporation Protective cover apparatus and method
BRPI9914469B8 (pt) * 1998-09-30 2016-06-28 Nissin Foods Holdings Co Ltd elemento de tampa para um recipiente de alimentos.
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Also Published As

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DE3461910D1 (en) 1987-02-12
JPS6212099B2 (de) 1987-03-17
MY100198A (en) 1990-04-10
SG69187G (en) 1988-02-19
US4636273A (en) 1987-01-13
AU564653B2 (en) 1987-08-20
AU3234084A (en) 1985-02-28
ES8505307A1 (es) 1985-05-16
FR2551031B1 (fr) 1986-07-04
JPS60110653A (ja) 1985-06-17
EP0135431A1 (de) 1985-03-27
CA1225268A (en) 1987-08-11
ATE24697T1 (de) 1987-01-15
ES535348A0 (es) 1985-05-16
FR2551031A1 (fr) 1985-03-01

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