Method of and apparatus for producing a yarn on a ring-spinning machine
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United States of America Patent
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Feb 20, 2001
Grant Date -
N/A
app pub date -
Apr 2, 1999
filing date -
Apr 3, 1998
priority date (Note) -
Expired
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Abstract
A yarn is produced by condensing and compacting the roving after its passage through a drafting frame by suction rollers or suction belts and then twisting and winding up the yarn without the formation of a thread balloon on a ring spinning station with a balloon-limiting finger or crown.
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