Ring spinning method and a yarn made thereby
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United States of America Patent
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Mar 10, 1998
Issued Date -
N/A
app pub date -
Nov 19, 1996
filing date -
Jun 23, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The ring spinning method drafts a sliver in a multi-stage drafting system where the sliver acquires a total draft in a range of from 60 to 150-fold. Following outlet from the last nip of the drafting system, the drafted sliver is conveyed without drafting over a guide path in which the fiber band is condensed to form a compact fiber strand of not more than 2.5 millimeters width and preferably less than 1 millimeter in width. At the end of the guide path, the fiber strand passes through a twist inhibiting nip between two rollers and is then passed by twist distribution to a ring spinning device. The yarn produced possesses a quality with respect to hairiness and neps.
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