Yarn withdrawal nozzle for an open-end rotor spinning apparatus
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United States of America Patent
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Sep 11, 2001
Grant Date -
N/A
app pub date -
Jan 11, 2000
filing date -
Jan 14, 1999
priority date (Note) -
Expired
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Abstract
A yarn withdrawal nozzle for an open-end rotor spinning apparatus comprises a short, funnel-shaped yarn deflecting surface, which begins at a plane front surface and graduates into a yarn withdrawal channel. The radius of curvature of the yarn deflecting surface measures a maximum of 3 mm. The front surface is formed as a tangential surface to the yarn deflecting surface, The small radius of curvature facilitates in particular the spinning of polyester yarns at a high rotor speed.
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