US PATENT SUBCLASS 57 / 228
.~.~.~ Crimped or bulked core

Current as of: June, 1999
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57 /   HD   TEXTILES: SPINNING, TWISTING, AND TWINING

200  DF  STRAND STRUCTURE {11}
210  DF  .~ Covered or wrapped {10}
227  DF  .~.~ Including crimped or bulked material {1}
228.~.~.~ Crimped or bulked core

DEFINITION

Classification: 57/228

Crimped or bulked core:

(under subclass 227) Subject matter wherein the core is composed of filamentous or fibrous material which has been transversely deformed or distended into a nonlinear configuration of coils, crinkles, loops, crimps, etc.