Yarn tension control system
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United States of America Patent
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Jun 21, 1994
Grant Date -
N/A
app pub date -
Sep 30, 1991
filing date -
Feb 16, 1989
priority date (Note) -
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Abstract
A yarn tension control system incorporated into a computerized control system of a textile machine for controlling the operation of a fast responding braking or friction device. The braking or friction device is positioned along a weft yarn path and includes a functional control unit operably coupled to the computerized control system, a tension sensing arrangement for sensing the tension of a strand of weft yarn passing therethrough, and a friction force applying arrangement for applying a friction force to the strand of weft yarn in dependence upon the tension sensed by the tension sensing arrangement.
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