Process for piecing yarn on an open end spinning machine

Details Process for piecing yarn on an open end spinning machine Process for piecing yarn on an open end spinning machine

1986-01-22

1987-03-31

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57 22, 57 83, 57281, D01H 1500, D01H 1502, D01H 918, D01H 1324

Patent

active

046532633

ABSTRACT:
A process is provided for connecting the end of a new fiber band to the end of a fiber band running into an open-end spinning arrangement wherein the threading on is conducted in such a manner that the joining point between the new fiber band and the fiber band already running into the spinning arrangement does not result into a change in the yarn number. In one embodiment it is provided that the fiber bands are prepared in such a manner and connected to each other, especially by means of twisting them together, such that a joining point exhibits at least approximately the same number as the other areas of the fiber band. In a second embodiment, it is provided that following a joining of the two fiber bands the feeding device of the spinning arrangement is switched on until the joining point is running into the spinning arrangement whereby the fibers fed during this time period are transported off within the spinning arrangement.

REFERENCES:
patent: 3867810 (1975-02-01), Meertens et al.
patent: 4033104 (1977-07-01), Kamp
patent: 4055936 (1977-11-01), Raasch
patent: 4055942 (1977-11-01), Stahlecker
patent: 4078369 (1978-03-01), Brandis
patent: 4150534 (1979-04-01), Raasch
patent: 4156341 (1979-05-01), Raasch
patent: 4537018 (1985-08-01), Tooka

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