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Title:
TUBULAR PACKAGING CASING FOR PASTY SUBSTANCE AND MANUFACTURETHEREOF
Document Type and Number:
Japanese Patent JPS60217965
Kind Code:
A
Abstract:
1. A tubular packing casing for pasty materials, in particular a sausage casing, based on a polyester film exhibiting high heat shrink resistance, characterized in that said casing is comprised of a multilayer polyester film (1, 2) which has been shaped into a tubing and whose edge zones extending in the direction of the longitudinal axis form a heat-sealed seam (5, 10, 11) obtained by overlapping said edge zones and/or by means of a film strip (4), and in that said multilayer polyester film (1, 2) is comprised of a carrier layer (B) based on a predominantly crystalline, linear polyester and of a heat-sealable layer (A) which is present on at least one surface of said carrier layer (B) and which has a thickness of 4 mu m or less and is based on a predominantly amorphous, linear polyester.

Inventors:
RUUTOBUIHI KURENKU
HERUMUUTO MONTSUAA
HANSU SHIYUTORUTSUERU
Application Number:
JP4276785A
Publication Date:
October 31, 1985
Filing Date:
March 06, 1985
Export Citation:
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Assignee:
HOECHST AG
International Classes:
B65D75/12; A22C13/00; B65D77/00; (IPC1-7): B65D77/00; B65D77/12