US PATENT SUBCLASS 28 / 234
.~.~.~.~.~ Including toothed or serrated surface

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}
222  DF  .~.~ Clearing {4}
226  DF  .~.~.~ Clamping, severing or shearing {5}
232  DF  .~.~.~.~ By opposed, gap defining surfaces, e.g., stripping guide {3}
234.~.~.~.~.~ Including toothed or serrated surface

DEFINITION

Classification: 28/234

(under subclass 232) Method or apparatus wherein the opening is an elongate, narrow passage which includes notches, sharp-pointed projections, prongs and the like for engagement

with a knot, slub or the like.