Textile machine with variable tension draft
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Dec 2, 2014
filing date -
Dec 2, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A textile machine, especially a spinning preparation machine, with a drafting system for drafting a fiber strand fed to the textile machine, includes a compressor arranged downstream from the drafting system in a transportation direction of the fiber strand for compressing the fiber strand. A draw-off device is arranged downstream from the compressor for drawing off the drafted fiber strand. At least one entrance cylinder is provided that can be powered by a drive and one exit cylinder that can be powered by a drive. The draw-off device comprises at least one draw-off disk that can be powered by a drive. Means are provided to the textile machine to change the ratio of the circumferential speeds of the exit cylinder and the draw-off disk (=tension draft (A)) while the drafting system is operated, at least during a part of its starting phase and/or its stopping phase.
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