Melt spinning process to produce filaments
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United States of America Patent
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-
Nov 2, 1999
Issued Date -
N/A
app pub date -
Jan 17, 1997
filing date -
Dec 3, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Filament stress in a newly spun filament is reduced in that the air friction between the filament and the contiguous air layer is prevented or limited. For this purpose an air current is generated, flowing in the running direction of the yarn at a speed which is the same or approximately the same as the surface speed of the filament. The air current can be guided on to the filament surface through a tube.
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