Process and apparatus for stopping and restarting an open-end sp

Details Process and apparatus for stopping and restarting an open-end sp Process and apparatus for stopping and restarting an open-end sp

1983-01-28

1987-01-27

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

D01H 1502

Patent

active

046386254

ABSTRACT:
To stop and restart and open-end spinning machine with a plurality of spinning devices, all the spinning devices are stopped together, while the vacuum is maintained. The thread end resulting from this interruption in the spinning process is then prepared successively at each spinning unit for joining and is fed to the spinning device in a thread-joining position, whereupon the vacuum is then cut off. When the open-end spinning machine is started, after the vacuum has first been applied, the threads are fed together, on all the spinning devices to the fiber-collecting surfaces of the spinning devices. The open-end spinning machine has a service device movable along the machine for preparing the threads to be joined and for feeding them to the individual spinning cells, as well as a central control device which has a stoppig device and a starting device for the open-end spinning machine. The stopping device is connected in control terms to a switch-on device and to a switch-off device for the service device. By these means it is possible, when stopping the machine, to let it run by itself to prepare and feed the thread ends and to switch itself off.

REFERENCES:
patent: 3680300 (1972-08-01), Landwehrkamp
patent: 4083171 (1978-04-01), Konig et al.
patent: 4089155 (1978-05-01), Stahlecker
patent: 4223517 (1980-09-01), Husges et al.
Suessen Brochure, "Suessen WST-Technische Mitteilung", pp. 1-8, Jul., 1979.

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