Textiles: manufacturing – Thread finishing – Surface modification of running length
Patent
1990-07-25
1991-12-24
Schroeder, Werner H.
Textiles: manufacturing
Thread finishing
Surface modification of running length
198631, 209324, 19 65T, 19 48, 28281, D02G 120, B65G 2100
Patent
active
050740156
ABSTRACT:
The object of the present invention is the free retraction of thread spirals placed on a perforated conveyor belt during a heat treatment such as heat retraction or heat fixing of dyes. The device applies shaking movements or vibrations to a vertical component of the perforated belt, especially inside a heat treatment enclosure. It consists of an oscillating rotatable shaft transversely disposed inside the enclosure and applied to the lower surface of the belt. The shaft may have one or more plane surfaces, for example a rectangular transverse section.
REFERENCES:
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patent: 1187143 (1916-06-01), Hanel
patent: 2244203 (1941-06-01), Kern
patent: 2743004 (1956-04-01), Wright
patent: 3321808 (1967-05-01), Kato
patent: 3465399 (1969-09-01), Sokolowski
patent: 3953161 (1976-04-01), Oguchi et al.
patent: 4526808 (1985-07-01), Strohmaier
patent: 4754619 (1988-07-01), Keith
Calvert John J.
Passap Knitting Machines Inc.
Schroeder Werner H.
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