Textiles: spinning – twisting – and twining – Apparatus and processes – Piecing up
Patent
1978-06-27
1982-03-16
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Piecing up
57 75, 57 78, 57124, D01H 756, D01H 1500, D01H 124
Patent
active
043194508
ABSTRACT:
The individual spinning rings of a ring-spinning or yarn-doubling machine frame, which are supported via a pneumatic cushion upon the respective ring holder and upon which a traveler is adapted to orbit, have compressed air introduced initially to support the rings. The compressed-air injection is interrupted when the rings reach a rotational speed enabling them to draw in the air for the cushion (self-sustaining airborne support cushion). Manually operated valves individual to each ring are in respective branch ducts and are provided for individual startup while a central control is provided for all of the rings.
REFERENCES:
patent: 2932152 (1960-04-01), Jackson
patent: 3324643 (1967-06-01), Kluttz
patent: 3494120 (1970-02-01), Chilpan et al.
patent: 3543503 (1970-12-01), Watabe et al.
patent: 3611697 (1971-10-01), Greb
patent: 4023342 (1977-05-01), Schenkel
Petrakes John
Ross Karl F.
Zinser Textilmaschinen GmbH
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