US PATENT SUBCLASS 28 / 259
.~.~.~ Asymmetric

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.~.~.~ Asymmetric {1}
260  DF  .~.~.~.~> By knife edge {1}

DEFINITION

Classification: 28/259

(under subclass 247) Method or apparatus wherein thread is textured by conditioning only one side of a running length of thread or by conditioning said side in a manner which is different from the manner in which the other side is conditioned to thereby induce a nonuniform molecular structure across the cross section of the thread.