Method and system to detect the position and tension of yarn being air textured
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United States of America Patent
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-
Aug 6, 1991
Grant Date -
N/A
app pub date -
May 21, 1990
filing date -
May 21, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and apparatus to produce a plied, air textured continuous filament yarn by severing the supply yarn upon the detection of a drop in tension. When the tension in the yarn being processed drops, the position of the running yarn will be detected by a photocell unit which will actuate a cutter upon such detection to sever the yarns being supplied to the air texturing machine. The method and apparatus provide that the drop in tension has to occur for a predetermined length of time or occur a multiplicity of times before the cutter is actuated.
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