False twist device
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United States of America Patent
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Apr 10, 2001
Grant Date -
N/A
app pub date -
May 26, 1999
filing date -
Sep 26, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a false twist device for a synthetic multifilament yarn for use in false twist texturing machines. The false twist device comprises at least three sets of disks that are each arranged on an axle for rotation in the same direction. The axles are arranged to form an equilateral polygon such that the disks overlap in the center of the polygon. To keep a yarn tension as low as possible at a high yarn speed, the circumferential surface of the disks is the zone of a sphere or a torus with a circumferential surface radius that has a magnitude of at least 35 times the diameter of the twisted yarn.
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