DEVICE FOR CRIMPING MULTIFILAMENT THREADS
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United States of America Patent
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Issued Date -
Mar 23, 2017
app pub date -
Feb 13, 2015
filing date -
Feb 19, 2014
priority date (Note) -
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Abstract
A technique for crimping multifilament threads involves a device having an injector installation and having a stuffing installation. The injector installation has a conveying duct having a thread inlet. The conveying duct of the injector installation opens into a stuffer chamber of the stuffing installation. The stuffer chamber in an upper chamber portion, between a plurality of wall portions of a chamber wall, has a plurality of slot-shaped air-exhaust openings. The wall portions of the chamber wall, in order to configure the air-exhaust openings, each have one flow edge which is aligned so as to be tangential to a chamber circle.
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