Thread-draw-off guide attached to a spinning rotor of an open-en

Details Thread-draw-off guide attached to a spinning rotor of an open-en Thread-draw-off guide attached to a spinning rotor of an open-en

1975-05-21

1976-10-19

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Unitary multiple twist devices

57 774, D01H 112

Patent

active

039863328

ABSTRACT:
An improved thread-draw-off guide attached to a spinning rotor of an open-end spinning unit. The thread-draw-off guide is provided with a cylindrical annular guide portion and a radial outer surface extended outward from the cylindrical annular guide portion and the above-mentioned radial outer surface is formed with a roughened friction surface characterized in that the coefficient of friction thereof against a yarn in a radial direction is smaller than the coefficient of friction thereof against a yarn in a concentric direction thereof.

REFERENCES:
patent: 3481128 (1969-12-01), Landwehrkamp et al.
patent: 3640061 (1972-02-01), Landwehrkamp
patent: 3778989 (1973-12-01), Schon
patent: 3789597 (1974-02-01), Schon
patent: 3805505 (1974-04-01), Schuster
patent: 3834147 (1974-09-01), Havranek et al.
patent: 3903683 (1975-09-01), Shino

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