Textiles: spinning – twisting – and twining – Apparatus and processes – Elements
Patent
1975-05-05
1976-09-21
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Elements
19150, 57 5889, 57 5895, D01H 112
Patent
active
039811379
ABSTRACT:
An air stream is caused to impinge on a collecting surface disposed in a sharply defined suction zone. Fibers having a predetermined maximum length are entrained by said air stream to cause said fibers to be delivered to and form a condensed sliver on said collecting surface. Air is sucked in said suction zone at a rate which is approximately as large as the rate of said air stream. Said condensed sliver is drawn from said collecting surface and is subsequently twisted to form a thread. Said thread is drawn off while being held against rotation. The suction zone has in the direction in which said condensed sliver is drawn off a dimension which is approximately as large as the maximum length of said fibers. The suction zone has at right angles to said direction a dimension which is approximately as large as the diameter of said condensed sliver.
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patent: 2808697 (1957-10-01), Williams
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patent: 3635006 (1972-01-01), Fehrer
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Kelman Kurt
Petrakes John
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