Method and apparatus for a joint start-up and stopping of the sp

Details Method and apparatus for a joint start-up and stopping of the sp Method and apparatus for a joint start-up and stopping of the sp

1976-07-01

1977-05-03

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Web material

57 5889, 57 80, 57156, D01H 112, D01H 1316, D01H 1500

Patent

active

040206220

ABSTRACT:
The start-stop program for the open-end spinning machine causes the external suction means to be rendered ineffective during the stopping process before the rotor falls below a speed necessary to maintain tension in the fiber ring in the fiber collecting groove of the rotor. Also, the program causes the external suction means to be effective on the rotor during a start-up only after the rotor has reached a speed sufficient to maintain the fiber ring tensioned in the collecting groove.

REFERENCES:
patent: 3521440 (1970-07-01), Oskin et al.
patent: 3540201 (1970-11-01), Susami et al.
patent: 3543500 (1970-12-01), Bancroft et al.
patent: 3601969 (1971-08-01), Susami et al.
patent: 3842579 (1974-10-01), Bartling
patent: 3859779 (1975-01-01), Furstenberg
patent: 3882666 (1975-05-01), Muller

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