Device for producing interlaced knots
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United States of America Patent
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May 12, 2015
Grant Date -
Oct 10, 2013
app pub date -
Jun 5, 2013
filing date -
Dec 22, 2010
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Abstract
A device for producing interlaced knots in a multifilament thread is described. The device includes a rotating nozzle ring having a circumferential guide groove and a plurality of nozzle bores opening radially into the base of the guide groove. A stationary pressure chamber, having a chamber opening and an air connection, is associated with the nozzle ring, wherein by rotation of the nozzle ring the nozzle bores can be connected in turn to the chamber opening of the pressure chamber. To permit an intensive air treatment of the thread, the dimension of the chamber opening in the pressure chamber and the spacing of adjacent nozzle bores on the nozzle ring are designed such that as the nozzle ring rotates a plurality of nozzle bores are simultaneously connected to the chamber opening.
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