Textile stuffer box and method for texturing yarn
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United States of America Patent
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Feb 26, 2019
Grant Date -
Nov 3, 2016
app pub date -
Jan 2, 2015
filing date -
Jan 2, 2014
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Abstract
A textile stuffer box comprises a housing assembly having a yarn entrance and a yarn exit, and cooperating interior chamber-forming surfaces. The chamber-forming surfaces defines a multi-stage internal crimping chamber for receiving and accumulating a moving length of ply-twisted yarn between the entrance and exit of the housing assembly. The crimping chamber comprising an upstream fixed-volume stage and a downstream adjustable-volume stage. A weight-balanced gate selectively adjusts a volume of the downstream adjustable-volume stage of the crimping chamber, thereby controlling axial compression of yarn accumulating inside the upstream fixed-volume stage of the crimping chamber.
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