US PATENT SUBCLASS 57 / 204
.~ Alternately twisted

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

200  DF  STRAND STRUCTURE {11}
204.~ Alternately twisted {1}
205  DF  .~.~> Crimped or bulked type

DEFINITION

Classification: 57/204

Alternately twisted:

(under subclass 200) Subject matter wherein succeeding

portions of the strand unit in the longitudinal direction are oppositely twisted; these are also known as S-Z twisted strands.

SEE OR SEARCH THIS CLASS, SUBCLASS:

293, for process and apparatus for making alternately twisted strands.