STRETCH-PROCESSED YARN, FIBER PRODUCT, COMPOSITE SPINNERET, AND COMPOSITE FIBER PRODUCTION METHOD
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United States of America
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Issued Date -
Jan 6, 2022
app pub date -
Nov 1, 2019
filing date -
Nov 1, 2019
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Abstract
A stretch yarn includes a multifilament including fibers having a coiled crimping form in a fiber axial direction, wherein a coil diameter distribution of crimping in the fiber has two or more groups, a ratio of a maximum group average value to a minimum group average value of the coil diameter (a maximum group average value/a minimum group average value) is less than 3.00, and a cross section of the fibers constituting the multifilament is an eccentric core-sheath cross section.
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