Yarn-tensioning device and arrangement and method for operating a creel
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United States of America Patent
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Jan 24, 2012
Grant Date -
Jun 4, 2009
app pub date -
May 3, 2007
filing date -
Jun 23, 2006
priority date (Note) -
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Abstract
The invention relates to a yarn-tensioning device for producing a specific thread pull on a thread (5) that is unwound from a winding point (7) of a creel (2) and is guided to a warping machine arrangement (1). Said yarn-tensioning device comprises a rotating body (18) which is at least partially wound round by threads and an electric motor (19) which is connected to the rotation body. Said motor (19) is equipped with at least one brake transistor (20) for discharging excess energy produced when the generator of the motor is operated, said brake transistor being able to convert generator energy, arising when the generator is operated, into heat.
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