Pipes and tubular conduits – Flexible – Casing
Patent
1985-06-26
1987-03-17
Marcus, Stephen
Pipes and tubular conduits
Flexible
Casing
17 45, 426105, 428 36, A22C 1302
Patent
active
046499628
ABSTRACT:
A bellows-like hollow member 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 along its entire length, formed by overlapping and consolidation of its lengthwise edges. Finally, the tube is gathered bellows-like forming a plurality of folds and forming hollow member, and is simultaneously rotated around its axis so that the lengthwise seam 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.
REFERENCES:
patent: 3669692 (1972-06-01), Turbak
patent: 3695901 (1972-10-01), Winokur
patent: 4550042 (1985-10-01), Ardrae et al.
Kollross Gunter
Marcus Stephen
Thronson Mark
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