Peelable overpouch films

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 7/06 (2006.01) A61B 19/02 (2006.01) B29C 65/76 (2006.01) B32B 27/08 (2006.01) B32B 27/32 (2006.01) B65D 75/58 (2006.01)

Patent

CA 2513678

The present invention provides a peelable polymeric layer structure (16) having a first sealant layer (30) including an ethylene-containing polymer, and a second sealant layer (34) including a polypropylene-containing polymer attached to the first sealant layer along a peelable seal. The present invention also provides an overpouch container (10) including a first sidewall (12) having a first sealant layer (30) of an ethylene-containing polymer, and a second sidewall (14) having a second sealant layer (34) of a propylene containing polymer. The second sealant layer is attached to the first sealant layer along a peelable peripheral seal (16).

L'invention concerne une structure en couches polymères pelable (16) comprenant une première couche d'étanchéité (30) contenant un polymère qui comporte de l'éthylène, ainsi qu'une deuxième couche d'étanchéité (34) contenant un polymère qui comporte du polypropylène, cette deuxième couche d'étanchéité étant fixée sur la première couche d'étanchéité le long d'un joint pelable. La présente invention se rapporte en outre à un contenant de type surpoche (10) pourvu d'une première paroi latérale (12) comprenant ladite première couche d'étanchéité (30) qui contient un polymère comportant de l'éthylène, ainsi que d'une deuxième paroi latérale (14) comprenant ladite deuxième couche d'étanchéité (34) qui contient un polymère contenant du propylène, la deuxième couche d'étanchéité étant fixée sur la première couche d'étanchéité le long d'un joint périphérique pelable (16).

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