Open-end friction spinning machine

Details Open-end friction spinning machine Open-end friction spinning machine

1986-08-19

1987-09-08

Levy, Stuart S.

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and control

57 93, 57401, 57411, D01H 7882, D01H 1326

Patent

active

046915095

ABSTRACT:
In the case of an open-end friction spinning machine having a plurality of spinning units, measuring devices are provided for examining the quality of the moving yarn at each spinning unit. Preferably, the tension of the yarn between a withdrawal device and the yarn forming point is measured which permits the drawing of conclusions concerning the respectively existing yarn twist. When deviations from an indicated quality are determined, measures are taken so that at least one parameter of the spinning conditions at the respective spinning unit is changed for eliminating the deviations.

REFERENCES:
patent: 3895483 (1975-07-01), Grau
patent: 3922839 (1975-12-01), Sakurai et al.
patent: 4007457 (1977-02-01), Aeppli
patent: 4015414 (1977-04-01), Sholly, Jr.
patent: 4020622 (1977-05-01), Lattion
patent: 4043107 (1977-08-01), Gunther et al.
patent: 4084398 (1978-04-01), Stahlecker et al.
patent: 4137699 (1979-02-01), Stahlecker et al.
patent: 4502272 (1985-03-01), Fuchs

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