False twisting apparatus

Details False twisting apparatus False twisting apparatus

1979-03-01

1980-12-09

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

False twist device

D02G 104, D01H 792

Patent

active

042376866

ABSTRACT:
The present invention concerns a false twist apparatus (1) with friction discs (3) arranged at mutual distances on a shaft (2) and with thread guides (4) extending to between the discs (3), for imparting twist to a thread (11) guided friction-contactingly over the friction discs by the thread guides. The thread guides in this arrangement are provided with a concave curvature, as seen with respect to the direction of movement of the twist imparting surface (F).

REFERENCES:
patent: 3762149 (1973-10-01), Raschle
patent: 3854276 (1974-12-01), Marzoli
patent: 3942313 (1976-03-01), Gassner et al.
patent: 3998041 (1976-12-01), Graf
patent: 4010599 (1977-03-01), Luthi
patent: 4027467 (1977-06-01), Smith

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