Continuous filament yarns
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United States of America Patent
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-
Jul 18, 2000
Issued Date -
N/A
app pub date -
Oct 16, 1998
filing date -
Oct 16, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Yarns of melt-spun polymeric filaments are rapidly quenched, whereby the filaments are cooled by quenching gas that is accelerated along the threadline by being passed through a tube of reduced dimensions with the filaments before they emerge. In particular, a yarn is produced which has an elongation to break of about 100% or more. The yarn is comprised of filaments numbering from 25 to 150. The filaments are less than 4 denier per filament and makeup yarns having low denier spread.
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