Method and system for feeding a thread to a textile machine, at a constant tension and preset draw, as a function of the operating step of the latter
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United States of America Patent
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Nov 28, 2017
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N/A
app pub date -
Oct 11, 2013
filing date -
Oct 30, 2012
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Abstract
A method for feeding a thread at a preset drawing to a textile machine includes a first feeder which sends the thread to the textile machine and a second feeder arranged spaced from the first feeder and which sends such thread to the latter, each feeder having a rotary member on which there is partly wound the thread before the feeding thereof and a speed sensor adapted to detect the rotational speed of such rotary member and a tension sensor to detect the tension of the thread exiting from each feeder. Controlling drawing the thread sent to the textile machine by controlling and adjusting the ratio between the rotational speed of the rotary member of the first feeder and the rotational speed of the rotary member of the second feeder.
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