Method and apparatus for the manufacture of fibrous casing

Details Method and apparatus for the manufacture of fibrous casing Method and apparatus for the manufacture of fibrous casing

B - Operations, Transporting

29

D

117/101, 32/36,

B29D 23/00 (2006.01) A22C 13/00 (2006.01)

Patent

CA 1123657

ABSTRACT OF THE DISCLOSURE In the manufacture of fiber-reinforced cellulose casing wherein a paper tube is passed downwardly over a mandrel, impreg- nated with viscose and subjected to the action of the coagulating liquid to regenerate cellulose, a gas stream is flowed upwardly within the tube as the tube is passed over the mandrel, the gas stream pressure being sufficient to maintain the cylindrical dimensions of the tube but insufficient to cause a measurable change in the dimensions of the tube walls whereby contact of the internal surface of the impregnated tube with the mandrel is reduced or substantially eliminated.

323319

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