Spinning machine

Details Spinning machine Spinning machine

1986-04-30

1987-06-02

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Clearing

19263, 57 80, 57 81, 57304, D01H 1100, D01H 1316, D01H 566

Patent

active

046692592

ABSTRACT:
The spinning machine comprises a drafting frame for drawing sliver and at least one fiber suction station connected to a vacuum source associated with this drafting frame. To save energy each fiber suction station is provided with a sensing means for detection of broken fiber or roving and throttling means for throttling the suction. The throttling means is adjustable to a throttled position in the air stream which considerably reduces the air flowing into the fiber suction duct. This throttling means is also automatically disengagable into a position resulting in a considerably increased air flow rate following detection of broken fiber or roving by the sensing means.

REFERENCES:
patent: 2522250 (1950-09-01), Bechtler
patent: 2819579 (1958-01-01), Avera
patent: 2849852 (1958-09-01), Jacobi et al.
patent: 4375149 (1983-03-01), Hartmannsgruber
patent: 4519199 (1985-05-01), Barauke
patent: 4590646 (1986-05-01), Gasser

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