Method for heating crimped fibers and product thereof
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United States of America Patent
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Sep 7, 1993
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N/A
app pub date -
Oct 21, 1992
filing date -
Jun 1, 1990
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Abstract
A method of producing crimped tow by continuously feeding a tow against an adjustable counter pressure means; the tow is maintained at an average predetermined thickness and steam enters the chamber and is exhausted from the chamber in a manner to provide uniform heating of the tow to provide a fiber that is uniformly annealed as determined by measuring light reflectance for yarn dyed with a structural sensitive Milling Blue 'B' dye or shrinkage uniformity determined by thermal analysis.
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