Textiles: spinning – twisting – and twining – Apparatus and processes – Open end spinning
Patent
1984-08-23
1985-12-10
Watkins, Donald
Textiles: spinning, twisting, and twining
Apparatus and processes
Open end spinning
57408, D01H 1135
Patent
active
045571058
ABSTRACT:
Method of preparing fibers fed from a fiber-loosening device into a wedge-shaped spinning zone of a friction spinning machine having friction elements moveable relative to one another, which includes feeding a fiber-laden carrier-air flow having a component directed parallel to the wedge-shaped spinning zone tangentially to one of the friction elements at a location outside the wedge-shaped spinning zone and in a direction opposite the direction of movement of the one friction element, simultaneously exerting holding forces on the fibers and flinging the fibers against the moving surface of the one friction element so that the fibers are stretched out and held fast thereon, conveying the fibers in held-fast condition thereof into the wedge-shaped spinning zone, rolling the fibers therein and integrating the fibers into a yearn, and drawing-off the thus-formed yarn.
REFERENCES:
patent: 3636693 (1972-01-01), Benson et al.
patent: 4130983 (1978-12-01), Dammann et al.
patent: 4165600 (1979-08-01), Schippers et al.
patent: 4281507 (1981-08-01), Didek et al.
patent: 4348859 (1982-09-01), Olsson
Brockmanns Karl-Josef
Lunenschloss Joachim
Greenberg Laurence A.
Jorgensen Adam A.
Lerner Herbert L.
W. Schlafhorst & Co.
Watkins Donald
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