US PATENT SUBCLASS 28 / 260
.~.~.~.~ By knife edge

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.~.~.~.~ By knife edge {1}
261  DF  .~.~.~.~.~> With treating

DEFINITION

Classification: 28/260

(under subclass 259) Method or apparatus wherein the

nonuniform molecular structure of the thread is induced by passing the thread over a sharp surface.