(under subclass 66) Method or apparatus wherein the fluid or special treatment involves the production of coils, crinkles, kinks or like distentions on fibers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
.46, for staplizing combined with some treatment, inclusive of crimping or curling, ancillary to the staplizing, of the continuous filaments before they enter the staplizing zone.
.56, for combinations of staplizing and other operations, inclusive of crimping or curling.
SEE OR SEARCH CLASS
28, Textiles: Manufacturing,
247+, for surface modification by crimping or curling of running thread lengths, and see the search notes thereunder.
