Method of controlling flat spots in a zero twist yarn
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United States of America Patent
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Nov 24, 1998
Grant Date -
N/A
app pub date -
Jul 16, 1996
filing date -
Jul 16, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of collecting strand includes rotating a collet to wind the strand into a package, traversing the strand from end to end of the package so that the strand is wound in a helical pattern on the package, contacting the package with a roller bail at edge portions at each end of the package, pressing the package with the roller bails, thereby causing the strand to flatten as it is wound in the edge portions to create a strand having periodically occurring flat spots, and controlling the flattening of the strand by controlling the pressure of the roller bails on the package. The flattening of the strand can also be controlled by controlling speed of the traverse of the strand.
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