Textiles: spinning – twisting – and twining – Apparatus and processes – Receiving twist type
Patent
1975-06-23
1977-01-11
Watkins, Donald E.
Textiles: spinning, twisting, and twining
Apparatus and processes
Receiving twist type
D02G 108
Patent
active
040020177
ABSTRACT:
This is concerned with a friction element for a false twisting apparatus for yarns, whereby a friction element consisting of a hard material has a longitudinal groovelike composition on the surface thereof extending parallel with the axis of rotation of the element.
REFERENCES:
patent: 1752878 (1930-04-01), Ambye
patent: 2620517 (1952-12-01), Schlums
patent: 2718111 (1955-09-01), Brown
patent: 3777467 (1973-12-01), Enneking
patent: 3845613 (1974-11-01), Knebel
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