Tubular film for packing and casing paste-type foodstuffs especi

Details Tubular film for packing and casing paste-type foodstuffs especi Tubular film for packing and casing paste-type foodstuffs especi

1979-11-14

1981-12-01

Dixon, Jr., William R.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

1381181, 426105, 426106, 426129, 426130, 2642095, 2642358, 264564, F16L 1100, B65D 8500

Patent

active

043037119

ABSTRACT:
The invention relates to a tubular film for packing foodstuffs that in the state in which they are introduced into the tube are paste-like or fluid and that either after packing are heated to approximately 70.degree. to 95.degree. C. or are packed in the hot, fluid state. The tubular film consists of at least one aliphatic polyamide, of which the glass transition temperature of .gtoreq.321 K in the dry state can be lowered, by moisture absorption, to 293 K, or of a mixture of this polyamide with at least one ionomer resin, wherein the ionomer resin may be partly or completely replaced by a modified ethylene/vinyl acetate copolymer. The tubular film according to the invention lies wrinkle-free against the contents after cooling. The tubular film is produced by shaping the plastic or plastic mixture and subjecting to biaxial stretching according to processes that are known per se.

REFERENCES:
patent: 3151989 (1964-10-01), Sacks et al.
patent: 3955040 (1976-05-01), Schirmer
patent: 3995084 (1976-11-01), Berger et al.
patent: 4197326 (1980-04-01), Wakamatsu et al.

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