US PATENT SUBCLASS 57 / 290
.~.~.~ Plural twisting or heating


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

1 R  DF  APPARATUS AND PROCESSES {45}
282  DF  .~ Twist setting {3}
284  DF  .~.~ False twist crimp {6}
290.~.~.~ Plural twisting or heating


DEFINITION

Classification: 57/290

Plural twisting or heating:

(under subclass 284) Subject matter wherein the strand is subjected to more than one false twisting or heating operation.