Process for production of a tubular sheathing section...

A - Human Necessities – 22 – C

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18/777, 99/89

A22C 13/00 (2006.01) A22C 13/02 (2006.01)

Patent

CA 1245096

ABSTRACT A bellows-like hollow member (8) formed of gathered tubular sheathing material, for processing, especially as a peel-skin for the production of small sausages, produced as follows: polypropylene with copolymers is extruded in a smooth foil of three inseparable layers, of which the middle layer is stronger and the two outside layers have a lower melting point. The foil is then stretched to increase its strength, and is formed into a tube with a lengthwise seam (6) along its entire length, formed by overlapping and con- solidation of its lengthwise edges. Finally, the tube is gathered bellows-like forming a plurality of folds (7) and forming hollow member (8), and is simultaneously rotated around its axis so that the lengthwise seam (6) produces a helical path. The tubular sheathing which is obtained by this gathering is of inexpensive material, can be easily peeled from the boiled meat emulsion, can be used without difficulty in sausage machines, and is not sensitive during storage to moisture and high temperatures.

483708

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