High-Strength Spanized Yarn and Method for Producing the Same
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United States of America Patent
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Issued Date -
Jan 3, 2008
app pub date -
Apr 21, 2005
filing date -
Apr 26, 2004
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Abandoned
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Abstract
A spanized yarn constituted by a high strength short fiber containing at least one polymer selected from the group consisting of poly-p-phenylene terephthalamide, poly-p-phenylene benzoxazole, polyethylene, polyvinyl alcohol and wholly aromatic polyester and having a strength of 14 cN/dtex or more, and the high strength short fiber has an average single yarn length of from 50 to 90 cm and a coefficient of variation (CV) in average single yarn length of 50% or less.
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