Roving blocking mechanism on draw frames of spinning machines

Details Roving blocking mechanism on draw frames of spinning machines Roving blocking mechanism on draw frames of spinning machines

1985-01-23

1986-12-23

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

19 025, 19244, 57 80, 57 81, 57 83, 57 86, D01H 1316, D01H 1318

Patent

active

046304347

ABSTRACT:
A draw frame for a spinning machine is provided with roving blocking mechanism associated with its inlet rollers actuable on rupture of the remittant thread to arrest movement of the roving and is further provided with a sensor for detecting the continuity of the roving being fed from a source of supply and a roving clamp situated between the sensor and the blocking mechanism. The blocking mechanism and the roving clamp are arranged to be simultaneously operated in response to a signal from the sensor or in response to rupture of the thread.

REFERENCES:
patent: 1920767 (1933-08-01), Scott
patent: 3309859 (1967-03-01), Vehorn
patent: 3438189 (1969-04-01), Gasser et al.
patent: 4213290 (1980-07-01), Kupper
patent: 4326371 (1982-04-01), Soar
patent: 4432195 (1984-02-01), Stahlecker
patent: 4450677 (1984-05-01), Horvath et al.
patent: 4480354 (1984-11-01), Glock et al.
patent: 4484376 (1984-11-01), Glock et al.
patent: 4501114 (1985-02-01), Horvath et al.
patent: 4510645 (1985-04-01), Glock

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