Process for the stopping and restarting of an arrangement for op

Details Process for the stopping and restarting of an arrangement for op Process for the stopping and restarting of an arrangement for op

1987-04-14

1988-05-24

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57401, D01H 1502, D01H 1135

Patent

active

047457376

ABSTRACT:
A process is provided for operating open-end friction spinning machines of the type including movable friction surface parts defining a yarn forming region and a suction device for creating a suction effect on the yarn forming region. The process includes reducing the suction effect when spinning operations are interrupted, and interrupting the suction device at a point no later than the return of a yarn end into the yarn forming region. An apparatus for performing the process is also provided.

REFERENCES:
patent: 4571933 (1986-02-01), Stahlecker
patent: 4606184 (1986-08-01), Stahlecker et al.
patent: 4612762 (1986-09-01), Stahlecker
patent: 4617792 (1986-10-01), Stahlecker
patent: 4628685 (1986-12-01), Stahlecker et al.
patent: 4677820 (1987-07-01), Stahlecker

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