A - Human Necessities – 22 – C
Patent
A - Human Necessities
22
C
A22C 13/00 (2006.01) C08J 5/18 (2006.01)
Patent
CA 2179333
In a method for forming a cellulose tube suitable for use as a food casing, in which a solution of nonderivatized cellulose, tertiary amine N-oxide and water is extruded through a die gap and the extruded tube is downwardly drawn through an air gap while being internally cooled and then is passed into a water bath, the tube transverse direction tensile strength being increased by drawing the extruded tube through an air length of at least about five inches and exposing the exterior surface of the extruded tube to cooling air in the air gap.
Ducharme Paul Edmund Jr.
Kajiwara Edward Makoto
Portnoy Norman Abbeye
Sim & Mcburney
Viskase Corporation
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