US PATENT SUBCLASS 57 / 287
.~.~.~ With stretching

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}
287.~.~.~ With stretching {1}
288  DF  .~.~.~.~> Simultaneous type

DEFINITION

Classification: 57/287

With stretching:

(under subclass 284) Subject matter including elongating the strand before, during, or after the false twist crimping operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

310, for other twisting operations combined with stretching.

SEE OR SEARCH CLASS

28, Textiles: Manufacturing,

240+, for modifying a running strand length by means of a stretching apparatus.

264, Plastic and Nonmetallic Article Shaping or Treating: Processes, 288.4+, for processes of stretching a strand length.