Yarn false twisting apparatus having friction discs

Details Yarn false twisting apparatus having friction discs Yarn false twisting apparatus having friction discs

1981-06-12

1983-09-27

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

False twist device

57339, 57348, D02G 108, D01H 792

Patent

active

044061161

ABSTRACT:
A yarn false twisting apparatus is provided which includes a pair of twist imparting circular discs, with one of the discs being thin and flexible. A pressure applying member is positioned to upset the flexible disc toward the other disc at the twisting zone. In order to avoid undesired deformations of the flexible disc, the flexible disc includes reinforcing means, such as embedded reinforcing fibers, a reinforcing sheet, a discrete annular ring embedded in the material of the disc, or combinations thereof.

REFERENCES:
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patent: 3156084 (1964-11-01), Van Dijk et al.
patent: 3225533 (1965-12-01), Henshaw
patent: 3373554 (1968-03-01), Raschle
patent: 3394540 (1968-07-01), Bentov
patent: 3488941 (1970-01-01), Asaka
patent: 3495391 (1970-02-01), Njo
patent: 3901011 (1975-08-01), Schuster
patent: 4050229 (1977-09-01), Hayahusa
patent: 4145871 (1979-03-01), Iwata et al.
patent: 4149366 (1979-04-01), Bass et al.
patent: 4195470 (1980-04-01), Sturhahn
patent: 4339915 (1982-07-01), Dammann et al.

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