Patent ID: 7504143

Claim:
Multilayered tubular food package casing or film for sausage casings, characterized by the following lamination structure in order from outside to inside: a) the first layer, in order from outside to inside, comprising polyamide as a layer constituent; the second layer, in order from outside to inside, comprising EVOH as a layer constituent; the third layer, in order from outside to inside, comprising an adhesion agent as a layer constituent; the fourth layer, in order from outside to inside, comprising polyolefin as a layer constituent; the fifth layer, in order from outside to inside, comprising an adhesion agent as a layer constituent; and the sixth layer, in order from outside to inside, comprising polyamide as a layer constituent; or c) the first layer, in order from outside to inside, comprising polyamide as a layer constituent; the second layer, in order from outside to inside, comprising an adhesion agent as a layer constituent; the third layer, in order from outside to inside, comprising polyamide as a layer constituent; the fourth layer, in order from outside to inside, comprising EVOH as a layer constituent; the fifth layer, in order from outside to inside, comprising polyamide as a layer constituent; the sixth layer, in order from outside to inside, comprising an adhesion agent as a layer constituent; and the seventh layer, in order from outside to inside, comprising polyamide as a layer constituent.