Method and device for starting the operation of a friction-spinn

Details Method and device for starting the operation of a friction-spinn Method and device for starting the operation of a friction-spinn

1984-05-14

1985-09-17

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57 22, 57401, D01H 1502

Patent

active

045412332

ABSTRACT:
A method of starting the operation of a friction spinning unit having friction surfaces displaceable in opposite directions and forming a spinning wedge, the spinning unit further having a fiber infeeding device, a thread take-up device for drawing a thread longitudinally through the spinning wedge, and at least one suction device acting upon the spinning wedge, at least one of the friction surfaces being formed by a sieve drum, the suction device having a suction nozzle acting upon the spinning wedge by sucking air through the wall of the sieve drum includes:

REFERENCES:
patent: 4168601 (1979-09-01), Didek et al.
patent: 4315398 (1982-02-01), Parker et al.
patent: 4327545 (1982-05-01), Fehrer
patent: 4334400 (1982-06-01), Fehrer
patent: 4367623 (1983-01-01), Parker et al.
patent: 4399650 (1983-08-01), Parker et al.

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