False twisting filamentary yarns

Details False twisting filamentary yarns False twisting filamentary yarns

1974-04-26

1976-04-06

Watkins, Donald E.

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57 774, D02G 102, D02G 120

Patent

active

039480348

ABSTRACT:
A method for false twisting filamentary yarn using a friction false twist device comprising a rotatable hollow spindle with a friction surface or bush mounted at one end thereof.

REFERENCES:
patent: 3066473 (1962-12-01), Maeda
patent: 3581487 (1971-06-01), Loomes et al.
patent: 3656290 (1972-04-01), Kuussaari
patent: 3668855 (1972-06-01), Leeson
patent: 3668856 (1972-06-01), Richter
patent: 3670488 (1972-06-01), Richter
patent: 3701245 (1972-10-01), Richter
patent: 3782088 (1974-01-01), Bakewell
patent: 3813867 (1974-06-01), Ivanto
patent: 3846966 (1974-11-01), Peacock

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