Device and method for producing interweaving knots
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United States of America Patent
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Aug 12, 2014
Grant Date -
Sep 26, 2013
app pub date -
May 14, 2013
filing date -
Nov 30, 2010
priority date (Note) -
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Abstract
A device and a method for producing interweaving knots in a multifilament thread are described. The thread is guided in a circumferential guiding groove of a rotating annular nozzle in contact with the groove base of the guiding ring. An inlet thread guide and an outlet thread guide are arranged such that the contact wrap angle of the thread in the guiding groove of the annular nozzle is greater than the opening angle of the chamber opening on the stator. Thus, the thread is guided with contact before the pressure impulse is generated and the annular nozzle is preferably driven with a circumferential speed that is lower than the speed of the thread in order to influence the thread tension.
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