Yarn draw off tube for open-end spinning unit

Details Yarn draw off tube for open-end spinning unit Yarn draw off tube for open-end spinning unit

1982-12-29

1984-11-13

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57352, D01H 1135, D01H 1304

Patent

active

044817665

ABSTRACT:
A yarn draw off tube for an open-end spinning unit which improves the twist transmission to a fiber ribbon in a spinning rotor. The yarn draw off tube is provided with a yarn inlet on the top wall thereof and a yarn outlet on the lower side wall thereof, and the yarn inlet is eccentric from the center in a direction opposite to the yarn outlet. In the spinning operation, a twist imparted to a yarn drawn off from the spinning rotor can smoothly be transmitted to the root portion thereof. Thereby, yarn breakage is restrained and a yarn of good appearance and strength can be obtained.

REFERENCES:
patent: 3336741 (1967-08-01), Zavadsky et al.
patent: 3336742 (1967-08-01), Stary et al.
patent: 3778989 (1973-12-01), Schon
patent: 3789597 (1974-02-01), Schon
patent: 3834147 (1974-09-01), Havranek et al.
patent: 3965661 (1976-06-01), Yoshida

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