Device and method for treating filament yarn and fancy knotted, migrated, and false-twist yarn
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United States of America Patent
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Issued Date -
Aug 27, 2009
app pub date -
Jun 29, 2005
filing date -
Jun 30, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a device for treating filament yarn by means of air nozzles comprising at least two injector/cover plates that can be clamped together, and at least one air supply channel. Said injector/cover plates form a yarn treatment chamber in the assembled state. According to the invention, the yarn treatment chamber is formed between the injector/cover plates that can be clamped together, in the longitudinal direction of the plates, and the air nozzle is embodied as an open nozzle comprising a threading slit and an individual air supply channel for the yarn channel in the injector/cover plates. The invention has two decisive advantages. The shape of the injector/cover plates is limited to the inherent core functions, namely a yarn channel formed in the plates, the threading slit, and the individual air supply channel for the yarn channel in the plate. The miniaturisation of the injector/cover plates significantly simplifies the production problems.
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