US PATENT SUBCLASS 57 / 80
.~.~ Strand controlled

Current as of: June, 1999
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57 /   HD   TEXTILES: SPINNING, TWISTING, AND TWINING

1 R  DF  APPARATUS AND PROCESSES {45}
78  DF  .~ Stopping or starting {3}
80.~.~ Strand controlled {3}
81  DF  .~.~.~> Electric
82  DF  .~.~.~> Twisting couple and feed
83  DF  .~.~.~> Feeding means stopping {3}

DEFINITION

Classification: 57/80

(under subclass 78) Devices wherein the condition of the strand or material being operated on controls the stopping, as by failure, exhaustions, too much or too little tension, undue accumulations, etc.

(1) Note. Search also Class 66, Textiles: Knitting, subclasses 158+.