(under subclass 225) Subject matter wherein the covered or wrapped strand having a core of elastomeric material includes filamentous or fibrous material which has been transversely deformed or distended into a nonlinear configuration of coils, crinkles, loops, crimps, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
205, 208, 227+, 239, 245, 246+, and 254, for other twisted strand structures having crimped or bulked components therein.
282+, for processes and apparatus for manufacturing twist crimped yarns.
351, for other types of crimping or texturing combined with a twisting operation.
SEE OR SEARCH CLASS
28, Textiles: Manufacturing, 247+, for crimping or texturing operations other than twist crimping.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
168, for extrusion of filaments combined with crimping.