Zero twist yarn having periodic flat spots
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United States of America Patent
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Mar 24, 1998
Grant Date -
N/A
app pub date -
Jul 16, 1996
filing date -
Jul 16, 1996
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Abstract
A strand of individual filaments has a primary cross-sectional shape and periodic flat spots with a flat cross-sectional shape which is more elongated than the primary cross-sectional shape. The primary cross-sectional shape preferably has an aspect ratio within the range of from about 1:1 to about 6:1, and the flat cross-sectional shape preferably has an aspect ratio greater than about 6:1., with the period of the periodic flat spots being within the range of from about 0.2 to about 6 meters.
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