False twisting method for yarns and false twisting apparatus therefor
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United States of America Patent
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Aug 11, 1992
Issued Date -
N/A
app pub date -
Sep 17, 1991
filing date -
Feb 13, 1989
priority date (Note) -
Expired
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Abstract
A false twisting method and device for twisting a yarn which runs under a predetermined tension includes an arrangement wherein the yarn is wound about a member such as a cylindrical member positioned approximately at the halfway point of the running of the yarn, and a yarn downstream of the wound member and a yarn upstream of the wound member intersect each other in a contacted state to provide a twist in the yarn.
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