EP1006056B1 - Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist - Google Patents

Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist Download PDF

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Publication number
EP1006056B1
EP1006056B1 EP98490032A EP98490032A EP1006056B1 EP 1006056 B1 EP1006056 B1 EP 1006056B1 EP 98490032 A EP98490032 A EP 98490032A EP 98490032 A EP98490032 A EP 98490032A EP 1006056 B1 EP1006056 B1 EP 1006056B1
Authority
EP
European Patent Office
Prior art keywords
tray
container
packaging
welding layer
lid
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
EP98490032A
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English (en)
French (fr)
Other versions
EP1006056A1 (de
Inventor
Bernard Beeuwaert
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.)
Wipak Gryspeert SA
Original Assignee
Wipak Gryspeert SA
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
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Priority to EP98490032A priority Critical patent/EP1006056B1/de
Priority to ES98490032T priority patent/ES2212248T3/es
Priority to EP03007849A priority patent/EP1348639A1/de
Priority to PT98490032T priority patent/PT1006056E/pt
Priority to DE69820454T priority patent/DE69820454T2/de
Priority to AT98490032T priority patent/ATE256050T1/de
Priority to DK98490032T priority patent/DK1006056T3/da
Application filed by Wipak Gryspeert SA filed Critical Wipak Gryspeert SA
Priority to US09/442,414 priority patent/US6345726B1/en
Priority to CA002290856A priority patent/CA2290856C/en
Publication of EP1006056A1 publication Critical patent/EP1006056A1/de
Publication of EP1006056B1 publication Critical patent/EP1006056B1/de
Application granted granted Critical
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
    • 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
    • B65D77/2068—Means for reclosing the cover after its first opening
    • B65D77/2096—Adhesive means
    • 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
    • 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
    • B65D2577/2025—Multi-layered container, e.g. laminated, coated
    • B65D2577/2033—Multi-layered container, e.g. laminated, coated with one or more layers of container being torn off upon initial opening
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]

Definitions

  • the invention relates to packaging according to the preamble of claim 1 and for the packaging of solid food products.
  • liquids or pastes such as dairy products, cold meats and meats, and medical products.
  • packaging for products solid or pasty food. They consist for example of a tray and a cover also called cover, made from a thermoformable film, suitable for contact food.
  • the tray is made by thermoforming from a rigid film or flexible plastic such as PVC or polyester or other.
  • the weld bead is torn off from the weldable layer and remains integral with the tray.
  • the adhesive layer is then discovered on the cover at the weld bead. This authorizes the reclosing of the packaging after the first use and therefore allows the product to be consumed several quantities, for several days or several hours.
  • the adhesive layer being located before the protective layer to oxygen, the "chimneys" eliminate all efficiency and all the properties of the layer oxygen barrier. This therefore means that solid or pasty food products become perishable before their first consumption and the expiration date consumption of solid or pasty food products cannot be given precisely.
  • the present invention overcomes these disadvantages and his goal main is to present a packaging for the packaging of food products whose manufacture allows the neutral preservative gas to be kept perfectly inside packaging, and therefore to guarantee precisely the shelf life of the product before first use, and therefore before the food consumption deadline.
  • Another object of the present invention is to enclose the product food, solid or pasty type, inside a pocket to keep the product packed in its entirety and without any deterioration thereof.
  • Another aim is to no longer involve the disadvantages due to "chimneys" on the adhesive layer which let out the preservative neutral gas and penetrate oxygen. Indeed, in the present invention, the "chimneys" on the layer adhesive no longer open into the pocket which then remains waterproof and impermeable.
  • Another aim is to carry out the packaging without any modification of the automatic thermoforming machines on the market, the manufacturing process packaging and packaging of the food product being identical to that existing currently.
  • Another object of the present invention is to present a packaging with easy opening and closing of the lid on the tray, which saves the use of protective films to preserve the product when it is not consumed entirely on first use.
  • the resealing of the packaging also to maintain the odors of the food product in the packaging, and not to spread in the refrigerator.
  • the present invention relates to a packaging (1) for the packaging of solid or pasty food products (19) such as dairy products, cold meats or meats. It will find its application in particular in the manufacturing industries packaging and packaging of food and medical products which will then be made available to consumers in commercial areas or pharmacies. It can be used for other hardware type products.
  • solid or pasty food products such as dairy products, cold meats or meats.
  • FIG 1 shows the packaging (1) of food products (19).
  • the packaging (1) consists of a tray (2) and a cover (3), also called lid, these two elements being assembled by a weld (4).
  • the welding (4) of cover (3) is made over the entire periphery of the tray (2) as shown in the figure 4.
  • the outer support layer (5) is produced in a mode of preferred but non-limiting embodiment, in an amorphous polyester with a thickness which can vary from ten to five hundred micrometers or more depending on stiffness. resistance, or the flexibility of the tray (2) that one wishes to obtain.
  • materials such as PVC, polypro, polyethylene, expanded polyester, polyamide, polycarbonate or polystyrene.
  • the intermediate adhesive layer (6) is produced by means of a resin adhesive or another material of the thermoplastic synthetic type. She should have a almost permanent adhesive effect to present bonding properties allowing opening and close the lid several times when consuming the product in several quantities. Its thickness will preferably be fifteen to twenty micrometers to ensure the bonding properties with permanent effect, and ensuring the connection between the welding layer (7) inner and the outer support layer (5).
  • the inner sealing layer (7) is produced by means of a polyethylene preferably composed of five layers (9, 10, 11, 12 and 13), shown schematically at Figure 2, the total thickness of which is greater than twenty five micrometers. She must have good weldability and fusion with another weldable layer as well nature. It must have a sufficiently wide range of weldability and fusion to accept variations in temperature and pressure.
  • the cover (3) of the packaging (1) is of the same type and structure identical to the sealing layer (7) of the tray (2). It is preferably composed of five layers (14, 15, 16, 17 and 18), shown schematically in Figure 2, in polyethylene of thickness greater than thirty micrometers and these characteristics must be identical to those of the welding layer. It should have good dimensional characteristics allowing it to support the printing of ink and text or image representative of the solid or pasty food product (19) contained in the package (1).
  • thermoformable structure of the tray (2) is produced, by example, by hot applying the adhesive layer (6) with a permanent effect of synthetic type thermoformable on the support layer (5) of amorphous polyester by a process of coating carried out at a temperature of approximately 160 ° C., then by rolling on this adhesive layer (6) of the welding layer (7) of polyethylene.
  • the assembly is then wound up so as to form a reel ready for cutting for the thermoforming packaging machine.
  • thermoformable structure Another technique, used to make the thermoformable structure, consists in hot extruding the adhesive resin, constituting the adhesive layer (6), between the support layer (5) and the welding layer (7).
  • the structure is for example preheated to a temperature of 100 to 120 ° C for a duration of about two seconds, then it is formed on air impressions and suction to obtain the tray (2).
  • the tray (2) is filled with the food product or medical device (19) and inject a neutral gas suitable for preserving the product before closing the tray (2) by the cover (3) by welding at 160 ° C for a period 1.5 seconds at a pressure of 2.5 bars on the periphery of the tray (2) by a cord welding (4) with a width L of 4 to 8 mm.
  • the welding is carried out between the welding layer constituting the cover (3) and the sealing layer (7) of the tray (2).
  • the packaging (1) then has a pocket (8) waterproof and oxygen or gas tight.
  • This pocket (8) is delimited by the welding layer of the cover (3), the sealing layer (7) of the tray (2), and the weld bead (4) on the entire periphery of the packaging (1). It therefore contains the food or medical product (19) and the neutral gas suitable for preserving the product.
  • the welding layer constituting the cover (3) and the welding layer (7) are preferably composed of five layers (14, 15, 16, 17 18) respectively (9, 10, 11, 12, 13), the layers (11 and 16) being high barrier layers with oxygen.
  • the pocket is obtained by the connection and the combination of the high film barrier on the cover (3), high barrier film on the welding layer (7) and the bead welding (4), which ensures its sealing and impermeability function. Neutral gas therefore remains contained in the pocket which prevents, at the same time, the penetration of oxygen.
  • permeability to oxygen or gas that is to say the amount of oxygen entering the package or the amount of inert gas escaping from the package will be at most 5 cm3.m 2/24 hours.
  • the manufacturer can accurately determine the deadline consumption of the product (19) and ensuring the quality of food products (19) distributed in commercial areas.
  • the cover (3) and the welding layer (7) must be made up of at least minus three layers of which the central layer, in a preferred embodiment, will be the film high oxygen barrier.
  • thermoforming machines undergo variations in temperature and pressure.
  • these variations created on the adhesive layer "chimneys” (21) in the radial direction of the tray (2) which allow oxygen to enter the packaging (1) and escape the preservative neutral gas.
  • These "chimneys” (21) on the adhesive layer (6) still exist, but these are located on the adhesive layer (6) outside the sealed pocket (8) comprising a film high oxygen barrier. In this way, the "chimneys” (21) have no disadvantages on the packaging (1) since they do not open into the pocket (8)
  • the neutral gas is correctly stored inside the pocket (8) hermetic, without any penetration of oxygen therein.
  • the quality of solid, liquid or pasty, or medical food products (19) is therefore preserved until their expiration date.
  • the consumer When opening the packaging (1) for consumption for the first time solid or pasty food product (19), the consumer, by exerting an effort sufficiently large, detach the weld bead (4) from the tray (2) at least on part of the periphery of the packaging (1) and separates the cover (3) from the tray (2), as shown in figure 3.
  • the consumer has on the packaging (1) a tongue (20) produced on the cover (3) which promotes better grip for pull the cover (3) and detach it from the tray (2), as shown in figure 4.
  • the consumer releases the layer adhesive (6) with permanent effect on the weld bead (4) around the entire periphery of the packaging (1), and it opens the pocket (8) which then loses its sealing characteristics and impermeability.
  • the solid or pasty food product (19) is then in contact with oxygen, and the preservative neutral gas is no longer effective.
  • the consumer must therefore consume the food product (19) within a few days after which it will have lost its quality, flavor, and will be perishable.
  • the part of the adhesive layer (6), released on the periphery of the packaging (1), has a width L equal to that of the weld bead (4). Its width L will be in a preferred mode of four to eight millimeters. So the consumer can close the cover (3) several times on the tray (2) thanks to the permanent effect of the adhesive layer (6). Reclosing the packaging (1) therefore maintains the share of the product food (19) remaining protected from moisture in the refrigerator, and also prevents spread odors from the product (19) in the refrigerator.
  • the resistance of the weld bead (4) on the cover (2) must be greater than that on the tray (2). That is to say, we must favor the tearing of the weld bead (4) at the level of the tray (2).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Claims (10)

  1. Verpackung (1) zum Verpacken von festen, flüssigen oder pastösen Nahrungsmitteln (19) oder zum Verpacken von medizinischen Produkten, die ein einfaches Öffnen und Wiederverschließen der Verpackung gestattet und die aus Folgendem besteht:
    einer starren oder flexiblen Mulde (2), für die eine thermisch verformbare Struktur verwendet wurde, bestehend aus:
    einer äußeren Trägerschicht (5) aus amorphem Polyester oder dergleichen,
    einer dazwischen liegenden Schicht (6) mit permanent wirksamer Haftung
    einer inneren schweißbaren Schicht (7) aus Polyethylen,
    und einem Deckel (3) bestehend
    aus einer schweißbaren Schicht aus Polyethylen oder einer thermisch formbaren Struktur ähnlich der der Mulde (2),
    wobei die Verpackung (1 ) einen dichten und versiegelten Innenraum (8) aufweist, der das feste, flüssige oder pastöse Nahrungsmittel oder medizinische Produkt (19) aufnimmt und begrenzt ist durch:
    die schweißbare Schicht (7) der Mulde (2),
    die den Deckel (3) bildende schweißbare Schicht
    und die Siegelnaht (4), die durch die zwei schweißbaren Schichten ausgebildet wird,
    dadurch gekennzeichnet, dass die schweißbare Schicht (7) der Mulde (2) und die den Deckel (3) bildende schweißbare Schicht aus mehrschichtigem Polyethylen enthaltend eine Schicht mit einer hohen Sauerstoffbarriere bestehen.
  2. Verpackung (1) zum Verpacken von festen, flüssigen oder pastösen Nahrungsmitteln oder medizinischen Produkten (19) nach Anspruch 1,
    dadurch gekennzeichnet, dass die schweißbare Schicht (7) der Mulde (2) und des Deckels (3) zumindest drei Schichten aufweisen und dass die mittlere Schicht eine Schicht mit einer hohen Sauerstoffbarriere ist.
  3. Verpackung (1 ) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Deckel (3) der Verpackung von derselben Art und Struktur ist wie die schweißbare Schicht (7) der Mulde (2).
  4. Verpackung (1 ) zum Verpacken von festen, flüssigen oder pastösen Nahrungsmitteln oder medizinischen Produkten (19) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die schweißbare Schicht (7) der Mulde (2) und die den Deckel (3) bildende schweißbare Schicht mit der Mulde (2) miteinander verschmolzen sind und eine einzige umlaufende Schicht im Bereich der Siegelnaht (4) bilden, die den Innenraum abdichtet.
  5. Verpackung (1 ) zum Verpacken von festen, flüssigen oder pastösen Nahrungsmitteln oder medizinischen Produkten (19) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass beim ersten Öffnen der Verpackung (1 ) die Siegelnaht (4) von der Mulde (2) abgelöst und einen Teil der permanent wirksamen Haftschicht (6) auf der Mulde (2) freigelegt und der hermetisch versiegelte Innenraum geöffnet wird, um die Produkte in mehreren Mengen zu verbrauchen und die Mulde mit dem Deckel mehrmals zu verschließen.
  6. Verpackung (1 ) zum Verpacken von festen, flüssigen oder pastösen Nahrungsmitteln oder medizinischen Produkten (19) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Siegelnaht (4) einen höheren Widerstand gegen das Aufreißen innerhalb des Deckels (3) als innerhalb der schweißbaren Schicht (7) der Mulde (2) hat, wenn die Verpackung (1) geöffnet wird.
  7. Verpackung (1 ) zum Verpacken von festen, flüssigen oder pastösen Nahrungsmitteln oder medizinischen Produkten (19) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Haftschicht (6) mit permanenter Wirkung im Randbereich der Mulde (2) freigelegt wird und eine Breite L aufweist, die der Siegelnaht (4) entspricht.
  8. Verpackung (1 ) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Trägerschicht (5) aus Materialien hergestellt ist, wie beispielsweise aus PVC, Polypropylen, Polyethylen, geschäumtem Polyester, Polyamid, Polycarbonat oder Polystyrol.
  9. Verpackung (1) zum Verpacken von festen, flüssigen oder pastösen Nahrungsmitteln oder medizinischen Produkten (19) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die thermisch verformbare Struktur eine Gesamtdicke aufweist, die größer als vierzig Mikrometer ist und dass die schweißbare Schicht (7) der Mulde (2) und die den Deckel (3) bildende schweißbare Schicht eine Dicke aufweisen, die einige zehn Mikrometer ausmacht.
  10. Verpackung (1 ) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Dicke der den Deckel (3) bildenden schweißbaren Schicht größer ist als die der schweißbaren Schicht (7) der Mulde (2).
EP98490032A 1998-12-01 1998-12-01 Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist Expired - Lifetime EP1006056B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DK98490032T DK1006056T3 (da) 1998-12-01 1998-12-01 Beholder til næringsmidler og lægemidler, og som let kan åbnes og lukkes
EP03007849A EP1348639A1 (de) 1998-12-01 1998-12-01 Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist
PT98490032T PT1006056E (pt) 1998-12-01 1998-12-01 Embalagem para o acondicionamento de produtos alimentares e medicinais de abertura facil e que pode voltar a ser fechado
DE69820454T DE69820454T2 (de) 1998-12-01 1998-12-01 Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist
AT98490032T ATE256050T1 (de) 1998-12-01 1998-12-01 Behälter für lebensmittel und medikamente der einfach zu öffnen und wiederverschliessbar ist
ES98490032T ES2212248T3 (es) 1998-12-01 1998-12-01 Embalaje para el acondicionamiento de productos alimenticios y medicinales con abertura facil y reobturable.
EP98490032A EP1006056B1 (de) 1998-12-01 1998-12-01 Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist
US09/442,414 US6345726B1 (en) 1998-12-01 1999-11-18 Package for solid, liquid or pasty products
CA002290856A CA2290856C (en) 1998-12-01 1999-11-24 Reclosable package for solid, liquid or pasty products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98490032A EP1006056B1 (de) 1998-12-01 1998-12-01 Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP03007849A Division EP1348639A1 (de) 1998-12-01 1998-12-01 Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist

Publications (2)

Publication Number Publication Date
EP1006056A1 EP1006056A1 (de) 2000-06-07
EP1006056B1 true EP1006056B1 (de) 2003-12-10

Family

ID=8235802

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03007849A Withdrawn EP1348639A1 (de) 1998-12-01 1998-12-01 Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist
EP98490032A Expired - Lifetime EP1006056B1 (de) 1998-12-01 1998-12-01 Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP03007849A Withdrawn EP1348639A1 (de) 1998-12-01 1998-12-01 Behälter für Lebensmittel und Medikamente der einfach zu öffnen und wiederverschliessbar ist

Country Status (8)

Country Link
US (1) US6345726B1 (de)
EP (2) EP1348639A1 (de)
AT (1) ATE256050T1 (de)
CA (1) CA2290856C (de)
DE (1) DE69820454T2 (de)
DK (1) DK1006056T3 (de)
ES (1) ES2212248T3 (de)
PT (1) PT1006056E (de)

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CA2813053A1 (en) * 2009-10-06 2011-04-14 Ultraperf Technologies Inc. Repositionable lidding film-seal activated
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US9617048B2 (en) * 2011-12-02 2017-04-11 The Hillshire Brands Company Peelable and resealable packaging
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FR2648433B1 (fr) * 1989-06-16 1991-10-31 Mecaplastic Procede d'emballage d'un produit quelconque, par exemple un produit alimentaire et emballage ainsi realise
DE69006785T2 (de) * 1989-06-27 1994-09-08 Sun A Chemical Ind Leicht zu öffnender Verpackungsbehälter.
US5176314A (en) * 1989-12-25 1993-01-05 Sumitomo Bakelite Company Limited Easily openable sealed container
US5433982A (en) * 1990-11-14 1995-07-18 Dai Nippon Printing Co., Ltd. Composite container having barrier property
US5160391A (en) * 1991-04-15 1992-11-03 James River Ii, Inc. Method for the formation of a clamped wave seal structure
IT1265453B1 (it) * 1993-12-28 1996-11-22 Safta Spa Pellicola composita per la ri-chiusura di contenitori
JPH08225657A (ja) * 1994-12-06 1996-09-03 Shell Internatl Res Maatschappij Bv 薄肉物品の製造方法
US5919547A (en) * 1995-06-06 1999-07-06 Cryovac, Inc. Laminate having a coextruded, multilayer film which delaminates and package made therefrom
FR2741605B1 (fr) * 1995-11-29 1998-01-16 Soplaril Sa Structure d'obturation pour un contenant, contenant muni de cette structure et procede d'obturation du contenant

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PT1006056E (pt) 2004-04-30
ATE256050T1 (de) 2003-12-15
DK1006056T3 (da) 2004-04-05
EP1006056A1 (de) 2000-06-07
CA2290856A1 (en) 2000-06-01
DE69820454D1 (de) 2004-01-22
US6345726B1 (en) 2002-02-12
CA2290856C (en) 2008-04-29
EP1348639A1 (de) 2003-10-01
ES2212248T3 (es) 2004-07-16
DE69820454T2 (de) 2005-09-15

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