Laminate and package made therefrom

Details Laminate and package made therefrom Laminate and package made therefrom

B - Operations, Transporting

32

B

B32B 7/06 (2006.01) B65B 31/02 (2006.01) B65D 51/18 (2006.01) B65D 65/40 (2006.01) B65D 77/20 (2006.01) B65D 81/20 (2006.01)

Patent

CA 2332282

A laminate (24) includes: a) a first, substantially gas-impermeable film (29); b) a second, delaminatable film (28); and c) a third, gas-permeable film (26). The second film (28) is positioned between the first (29) and third (26) films and the laminate (24) is capable of delaminating within the second film (28) when the laminate is subjected to a delaminating force. A portion of the delaminatable film (28) thus remains bonded to the gas-permeable film (26) after delamination. The laminate (24) is ideally suited as a lidding material for a case-ready package. The third, gas-permeable film (26) is preferably bonded directly to a support member containing therein or thereon a fresh red meat, poultry, or other product (16), while the first, gas- impermeable film (29) forms the outermost surface of the lid (24). The gas-impermeable film (29) and a portion of the delaminatable film (28) can be peelably removed from the package (10) to thereby allow atmospheric oxygen to enter the package.

L'invention concerne un laminé (24) qui est constitué : a) d'un premier film (29), sensiblement imperméable aux gaz ; b) d'un second film (28), délaminable et c) d'un troisième film (26), perméable aux gaz. Le second film (28) est placé entre le premier (29) et le troisième film (26). Le laminé (24), lorsqu'il est soumis à une force de délamination, peut être délaminé dans le second film (28). Une partie du film (28) délaminable reste ainsi liée au film (26) perméable aux gaz après la délamination. Le laminé (24) est parfaitement indiqué comme matière d'operculage pour un conditionnement de type barquette. Le troisième film (26), perméable aux gaz, est de préférence lié directement à un élément de support contenant de la viande rouge fraîche, de la volaille fraîche ou d'autres produits (16), alors que le premier film (29), imperméable aux gaz, constitue la surface externe de l'opercule (24). Le film (29) imperméable aux gaz et une partie du film (28) délaminable peuvent être séparés du conditionnement (10) par pelage afin de permettre à l'oxygène ambiant de pénétrer dans le conditionnement.

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