Method and apparatus for spinning staple fibres on ring-spinning machines
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United States of America Patent
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Oct 25, 2011
Grant Date -
Feb 25, 2010
app pub date -
Feb 18, 2008
filing date -
Feb 28, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and associated method for spinning staple fibers on a ring spindle machine includes a ring spindle disposed downstream of a drawing frame outlet. A thread guiding device is disposed between the drawing frame outlet and the ring spindle and includes a twisting apparatus that is magnetically coupled with the ring spindle so as to rotate at the same speed as the ring spindle. The twisting apparatus has a thread braking device configured along a path of the thread through the twisting apparatus. An attachment configured at a top of the ring spindle has a plurality of circumferential grooves configured to catch the thread coming from the twisting apparatus and being wound onto the ring spindle.
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