Thread-guiding device for open-end spinning frames
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United States of America Patent
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Jun 14, 2005
Grant Date -
Dec 18, 2003
app pub date -
Mar 3, 2003
filing date -
Mar 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Thread-guiding device for collecting spun yarns on bobbins, particularly for open-end spinning frames, constituted by a common thread-guiding rod which carries the thread-guides for the spinning stations, said rod being operated in alternative movement in front of the bobbins being formed by a linear electric motor driven by the control unit of the spinning frame in its alternate backward and forward movement as regards instantaneous speed, amplitude of excursion, and axial coordinates of the ends of the travel of the thread-guiding rod.
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