US PATENT SUBCLASS 28 / 261
.~.~.~.~.~ With treating

Current as of: June, 1999
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28 /   HD   TEXTILES: MANUFACTURING

217  DF  THREAD FINISHING {4}
219  DF  .~ Surface modification of running length {5}
247  DF  .~.~ Texturing, e.g., crimping {10}
259  DF  .~.~.~ Asymmetric {1}
260  DF  .~.~.~.~ By knife edge {1}
261.~.~.~.~.~ With treating

DEFINITION

Classification: 28/261

(under subclass 260) Method or apparatus wherein thread is subjected to a conditioning operation before or after passing over the sharp surface either to prepare the thread for texturing or to alter or enhance a characteristic or property of the thread.

SEE OR SEARCH THIS CLASS, SUBCLASS:

178+, for conditioning a running length of thread in the form of a warp sheet.

246, for conditioning a running length of thread during a stretching operation.

265+, for conditioning a running length of thread during a stuffer box texturing operation.

281, for conditioning a running length of thread to develop latent bulk or crimp.