B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/36 (2006.01) B29C 47/06 (2006.01) B65D 65/40 (2006.01) B65D 77/20 (2006.01)
Patent
CA 2345010
A tray-type package is disclosed which includes a polyester support member, a product contained on the support member, and a lidding film containing the product and sealed to the periphery of the support member, the lidding film including a sealant layer of a polyester copolymer having greater than about 50% by mole of glycol polymerisation units. Preferably, the support member is a foamed or nonfoamed polyethylene terephthalate (PET) tray and the lidding film is a multilayer film which includes a glycol-modified PET sealant layer. Also disclosed is a lidding film having a sealant layer of a blend of a glycol-modified PET and at least one further polymeric component.
L'invention concerne un emballage de type barquette qui comprend un élément de support en polyester, un produit déposé sur l'élément de support et un film d'operculage recouvrant le produit et scellé à la périphérie de l'élément de support, le film d'operculage comprenant une couche de scellement en copolyester possédant plus de 50 % d'unités de polymérisation de glycol. De préférence, l'élément de support se présente comme une barquette en polyéthylène téréphtalate (PET) mousse ou non-mousse, le film d'operculage se présentant comme un film multicouches comprenant une couche de scellement en PET modifié en glycol. L'invention concerne également une couche de scellement qui constitue un mélange d'un PET modifié en glycol et d'au moins un composé polymère.
Cryovac Inc.
Smart & Biggar
LandOfFree
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