Open-end spinning method and apparatus

Details Open-end spinning method and apparatus Open-end spinning method and apparatus

1980-07-29

1982-04-06

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57333, 57400, 57404, D01H 1135

Patent

active

043229425

ABSTRACT:
An open-end spinning method and an apparatus wherein a flow of discrete fibers is supplied to a fiber spreading element by which they are spread over the entire periphery of an inner fiber deposit surface of a drum where a fibrous layer is continuously created. Fibers are successively withdrawn from the fibrous layer by taking off the open end of yarn and rotating it about its axis, due to a twisting moment acting on the yarn, such twisting moment being created in a region beyond the drum axis. The yarn can be given an additional twist by causing its open end to revolve about the axis of the drum. The invention enables the attainment of a high degree of the so-called cyclic fiber doubling in the spinning process, a high productivity at a relative low peripheral velocity of the operating elements of the spinning device, and the possibility of manufacturing yarns of various parameters and characteristics in one and the same spinning unit.

REFERENCES:
patent: 3620002 (1971-11-01), Grishin
patent: 3981133 (1976-09-01), Neubert et al.
patent: 4077197 (1978-03-01), Bowden et al.
patent: 4168601 (1979-09-01), Didek et al.
patent: 4202162 (1980-05-01), Vignon
patent: 4222222 (1980-09-01), Didek et al.

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