EP1160176A2 - Stratifié de recouvrement pour un emballage - Google Patents

Stratifié de recouvrement pour un emballage Download PDF

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Publication number
EP1160176A2
EP1160176A2 EP01113233A EP01113233A EP1160176A2 EP 1160176 A2 EP1160176 A2 EP 1160176A2 EP 01113233 A EP01113233 A EP 01113233A EP 01113233 A EP01113233 A EP 01113233A EP 1160176 A2 EP1160176 A2 EP 1160176A2
Authority
EP
European Patent Office
Prior art keywords
cover laminate
cover
laminate according
packaging
adhesive
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.)
Withdrawn
Application number
EP01113233A
Other languages
German (de)
English (en)
Other versions
EP1160176A3 (fr
Inventor
Kent Lörd
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1160176A2 publication Critical patent/EP1160176A2/fr
Publication of EP1160176A3 publication Critical patent/EP1160176A3/fr
Withdrawn legal-status Critical Current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
    • B65D77/204—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container the cover having an unsealed portion for initiating removal

Definitions

  • the present invention relates to a cover laminate for forming a resealable cover for a packaging having a lower part for products to be packed and an edge portion for attaching the cover.
  • Such a packaging is typically of the so called blister-type having a trough for the products.
  • This packaging is widely used for foodstuffs, such as sliced meat, cheese and the like, where it is of great importance that it can be resealed after an initial opening to ensure the continued quality of the packed products.
  • Other products may of course be packed in packagings of this type.
  • a resealable packaging may be accomplished by first applying by heat sealing on the lower part a plastic film, which is stamped-through, and then placing a resealable label on top thereof.
  • EP-A-0 661 154 Another solution, known through EP-A-0 661 154, is to have a cover laminate comprising three layers, namely from bottom to top a stamped heat-sealable film, a resealable adhesive and a cover film.
  • the lowermost layer may lack stamping but is so thin that it breaks when the packaging is opened.
  • An important object of the present invention is accordingly to accomplish a packaging, which has the same function as presently used resealable packagings but is cheaper and less complex to use.
  • the cover laminate comprises as a prefabricated unit a material sheet, such as a plastic film, provided on its underside with a resealable adhesive in a pattern generally corresponding to the shape of the edge portion of the lower part.
  • An especially advantageous solution is to apply the adhesive on the surfaces intended for cooperation with the edge portion of the lower part and to leave the remainder of the underside of the plastic film uncovered with adhesive.
  • An alternative solution is that the pattern is provided by a layer of an adhesive killing agent on surfaces where adhesive properties are not desired.
  • the cover laminate is supplied to the packaging machine as a roll. When the products have been packed in the individual troughs the cover laminate is applied from the roll, whereupon individual packagings are detached.
  • a special advantage is that the entire surface of the cover laminate may be used for decoration and information.
  • FIG. 1 A conventional packaging of the so called blister-type is shown in Fig 1.
  • Its lower part 1 can be of vacuum-formed plastic material, preferably semi-hard or hard.
  • the lower part 1 for the product to be packed is trough-shaped and has a flat edge portion 2.
  • a resealable cover 3 attached to the lower part 1 is made of a cover laminate, which is the subject of the present invention.
  • the overall shape of the packaging as seen from above is parallelepipedical, but any other shape is conceivable.
  • a cover laminate for forming the cover 3 is shown in Figs 3 and 4 and in a modified form in Fig 5.
  • Its base is a material sheet 4, preferably plastic film possibly laminated with some other material, such as a reinforcing aluminium layer and/or a paper layer.
  • palstic film 4 is used.
  • the plastic film 4 On its upper side the plastic film 4 is normally provided with a graphic print 5 and above that a protective lacquer or film 6. Possibly, this protective layer 6 may be covered by a release layer 7.
  • the plastic film 4 On its lower side the plastic film 4 is provided with a layer 8 of a resealable adhesive in a predetermined pattern substantially adapted to the shape of the edge portion 2 of the lower part 1 of the packaging, as is shown in Fig 4.
  • the remainder of the lower side of the plastic film 4 may be provided with printed information or the like.
  • the predetermined pattern of the adhesive layer 8 may alternatively be accomplished by covering the surfaces where adhesive properties are not desired with a layer 9 of an adhesive-killing agent.
  • adhesive-free surfaces may be accomplished in other areas, for example for forming a thumb grip 10 or in a narrow security zone for heat sealing. In the latter case the plastic film 4 has to be heat sealable.
  • the cover laminate may be provided with perforations 11 or stamp lines for showing if the packaging has been previously opened or not.
  • the cover laminate is delivered prefabricated to the packaging machine, preferably in a roll. For this reason the upper side of the laminate may have a treatment to provide a low adhesion for the adhesive. Alternatively, the adhesive itself may have a low adhesion.
  • a packaging machine is illustrated in Fig 2.
  • a material web for lower parts 1 is supplied from a roll 12. Troughs are formed at 13, and products are packed in the troughs at 14.
  • the cover laminate is supplied from a roll 15 and is applied against the web of packed troughs.
  • the completed packagings are individually detached from the combined web at 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrappers (AREA)
  • Packages (AREA)
EP01113233A 2000-05-31 2001-05-30 Stratifié de recouvrement pour un emballage Withdrawn EP1160176A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0002021 2000-05-31
SE0002021A SE0002021D0 (sv) 2000-05-31 2000-05-31 Förpackningsfilm

Publications (2)

Publication Number Publication Date
EP1160176A2 true EP1160176A2 (fr) 2001-12-05
EP1160176A3 EP1160176A3 (fr) 2002-04-03

Family

ID=20279898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01113233A Withdrawn EP1160176A3 (fr) 2000-05-31 2001-05-30 Stratifié de recouvrement pour un emballage

Country Status (2)

Country Link
EP (1) EP1160176A3 (fr)
SE (1) SE0002021D0 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003029100A1 (fr) * 2001-09-28 2003-04-10 Redbridge Holdings Ltd Recipient pourvu d'un couvercle refermable colle audit recipient par un adhesif
EP2565026A1 (fr) * 2011-08-30 2013-03-06 Cerium Group Limited Matériau composite de protection

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0403393A1 (fr) * 1989-06-16 1990-12-19 MECAPLASTIC Société Anonyme française Procédé d'emballage d'un produit quelconque, par exemple un produit alimentaire et emballage ainsi réalisé

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE27361E (en) * 1970-03-06 1972-05-09 Reclosable package
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
DK123591A (da) * 1991-06-25 1992-12-26 Schur Int As Brdr Genlukkelig salgsforpakning, f.eks. til skivepaalaeg
IT1265453B1 (it) * 1993-12-28 1996-11-22 Safta Spa Pellicola composita per la ri-chiusura di contenitori
SE505294C2 (sv) * 1994-12-13 1997-07-28 Regath Hb Återförslutbar förpackning med organ för indikering om förpackningen är bruten
FR2738226A1 (fr) * 1995-08-29 1997-03-07 Grace Sa Emballage d'au moins un article, tel que produit alimentaire pouvant etre ouvert et referme et procede d'emballage sous vide

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0403393A1 (fr) * 1989-06-16 1990-12-19 MECAPLASTIC Société Anonyme française Procédé d'emballage d'un produit quelconque, par exemple un produit alimentaire et emballage ainsi réalisé

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003029100A1 (fr) * 2001-09-28 2003-04-10 Redbridge Holdings Ltd Recipient pourvu d'un couvercle refermable colle audit recipient par un adhesif
EP2565026A1 (fr) * 2011-08-30 2013-03-06 Cerium Group Limited Matériau composite de protection
US11345113B2 (en) 2011-08-30 2022-05-31 Cerium Group Limited Composite protective sheet material

Also Published As

Publication number Publication date
EP1160176A3 (fr) 2002-04-03
SE0002021D0 (sv) 2000-05-31

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