Tension-regulating rotary unwinder for a double-twist twisting f

Details Tension-regulating rotary unwinder for a double-twist twisting f Tension-regulating rotary unwinder for a double-twist twisting f

1997-01-30

1998-05-19

Crowder, C. D.

Textiles: spinning, twisting, and twining

Apparatus and processes

Unitary multiple twist devices

57 5886, D01H 110

Patent

active

057523762

ABSTRACT:
A device for regulating and controlling the unwinding tension in a double-twist twisting frame, having a member which is mounted coaxially, in an idle and rotatable manner, on the respective pin of the unwinding packages. The device is provided with elastic yieldable elements which project radially from the pin to engage unwound yarn during the depletion stage of the feed packages.

REFERENCES:
patent: 2638732 (1953-05-01), Sabaton
patent: 3284024 (1966-11-01), Franzen
patent: 3296788 (1967-01-01), Franzen
patent: 3975893 (1976-08-01), Franzen
patent: 4114357 (1978-09-01), Greive
patent: 4423587 (1984-01-01), Inoue
patent: 4928463 (1990-05-01), Frentzel-Beyme
patent: 4959951 (1990-10-01), Mori
patent: 5291729 (1994-03-01), Badiali et al.
patent: 5456070 (1995-10-01), Lin et al.
patent: 5497607 (1996-03-01), Branson
Patent Abstracts of Japan vol. 14, No. 202, Apr. 25, 1990 and JP 02 041418, Feb. 9, 1990 (Abstract).

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