Apparatus for stopping and restarting the operation of an open-e

Details Apparatus for stopping and restarting the operation of an open-e Apparatus for stopping and restarting the operation of an open-e

1974-12-26

1977-10-18

Queisser, Richard C.

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

57 34R, 57 5895, D01H 120

Patent

active

040540243

ABSTRACT:
The present invention relates to an open-end spinning system and more particularly to a method and an apparatus for stopping and starting the spinning operation of the open-end spinning system in such a way that the end portion of the spun yarn of the previous spinning may be used as it is as the piecing-up end yarn for the following spinning operation. The apparatus of the present invention, includes means for positively braking the combing roller for concurrently and suddenly stopping the rotation of the combing roller and the feed roller and means for taking the end portion of the spun yarn out of the spinning rotor, maintaining the taken out portion in a deflected state with the end of the yarn disposed within a spinning tube, and releasing the yarn at the restart of the spinning operation so that said end portion may be injected into the spinning rotor.

REFERENCES:
patent: 3425205 (1969-02-01), Landwehrkamp et al.
patent: 3455095 (1969-07-01), Makeham et al.
patent: 3492804 (1970-02-01), Landwehrkamp et al.
patent: 3541774 (1970-11-01), Sterba et al.
patent: 3650104 (1972-03-01), Shepherd et al.
patent: 3680300 (1972-08-01), Landwehrkamp
patent: 3732681 (1973-05-01), Kutscher et al.
patent: 3750381 (1973-08-01), Greenwood et al.
patent: 3760576 (1973-09-01), Le Chatelier et al.

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