Apparatus for producing a yarn
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United States of America Patent
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Jul 13, 2010
Grant Date -
Jul 6, 2006
app pub date -
Nov 14, 2003
filing date -
Nov 14, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for producing a yarn including reciprocating twisting stage (4) adapted to simultaneously twist one or more slivers to produce one or more twisted strands, including one or more rollers (6a, 6b) arranged to move reciprocally (B) along the axis of rotation of the roller(s) to input twist to the sliver(s), and control means enabling control and variation of one or more of: (a) rotation speed of the rollers(s); (b) extent of transverse movement of the roller(s)s; or (c) speed of the transverse movement of the roller(s), to vary the twist imparted to the sliver(s) or strand(s).
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