Single-layer or multilayer tubular food packaging film that...

Details Single-layer or multilayer tubular food packaging film that... Single-layer or multilayer tubular food packaging film that...

A - Human Necessities

22

C

A22C 13/00 (2006.01) B32B 27/30 (2006.01)

Patent

CA 2749167

The present invention relates to a single-layer or multilayer tubular food packaging film that can be smoked, air-dried and peeled, in particular peeled in a fully automated manner , in particular a sausage casing, for smoked and/or air-dried sausage or meat goods, wherein the polymer-based food film is manufactured of a homogeneous molten plastic material in a (co-)extrusion film blow molding plant by means of (co-)extruded plastics supplied to a nozzle of a blow head and biaxially stretched in the triple-bubble process, the homogeneous molten plastic material being produced of a plastic blend of PS or a blend of various PSs and PVOHs and/or PEBAs. The present invention moreover relates to a method for the manufacture of the food film.

L'invention concerne un film alimentaire tubulaire mono- ou multicouche, pouvant être fumé, séché à l'air et pelé, notamment pelé de façon entièrement automatisée, destiné à des emballages alimentaires, notamment un boyau à saucisse pour de la saucisse ou de la viande fumée et/ou séchée à l'air. Ledit film alimentaire à base polymère est fabriqué dans un dispositif de (co)extrusion/soufflage de film au moyen de plastiques (co)extrudés provenant d'une matière plastique fondue homogène, introduits dans une buse d'une tête de soufflage, et étiré de façon biaxiale dans un procédé à bulle triple, la matière plastique fondue homogène étant préparée à base d'un mélange de plastiques constitué de PS ou d'un mélange constitué de divers PS, PVOH et PEBA. L'invention concerne également un procédé de fabrication du film alimentaire.

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