Multi-layer polyamide-based packaging casing

Details Multi-layer polyamide-based packaging casing Multi-layer polyamide-based packaging casing

1993-09-27

1996-01-02

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Flexible food casing

428 352, 428200, 4284747, 4284749, 4284752, 4284761, 1381181, 426105, 426127, 426129, B65D 8572, B65D 8134

Patent

active

054806909

ABSTRACT:
The biaxially stretch-oriented multi-layer tubular packaging casing for packaging pasty products, in particular the artificial sausage casing, includes a barrier layer having a reduced permeability to oxygen, an outer layer and an inner layer. The barrier layer comprises a partially aromatic polyamide and/or copolyamide, the outer and inner layers an aliphatic polyamide or copolyamide or a polymer mixture of at least one of the two compounds.

REFERENCES:
patent: 4557780 (1985-12-01), Newsome
patent: 4647483 (1987-03-01), Tse
patent: 4883693 (1989-11-01), Ohya
patent: 4908272 (1990-03-01), Harada et al.
patent: 4911963 (1990-03-01), Lustig
patent: 5326613 (1994-07-01), Stenger

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