The fibers are treated with fluids or are curled, crimped, or operated upon for some other purpose than to make them straight or parallel.
SEE OR SEARCH THIS CLASS, SUBCLASS:
.56, for the combination of staplizing and the opening of bundles of substantially parallel, staple length fibers.
SEE OR SEARCH CLASS
8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers, for bleaching, dyeing and chemical treating of textile fibers. See particularly
112, for improving felting properties of fibers and furs (carroting).
28, Textiles: Manufacturing,
247+, for methods and apparatus for imparting a nonlinear configuration to yarn or strand material composed of fibers or filaments. 57, Textiles: Spinning, Twisting, and Twining, for spinning, twisting or twining operations combined with coating or impregnating.
68, Textiles: Fluid Treating Apparatus, for Liquid treatment in general of textiles and fibers.
118, Coating Apparatus, appropriate subclasses, for apparatus for coating fibers, and see section III of the class definition of Class 118, for the Line between Class 19 and Class 118,
162, Paper Making and Fiber Liberation,
1+, for chemical Liberation of fibers, particularly subclass 9 for combinations therewith physical modification of the fiber, e.g., curling, puffing, etc.
239, Fluid Sprinkling, Spraying, and Diffusing, appropriate subclasses, for structures used to discharge a fluid on wool and the like fiber, when such structures are limited to the fluid discharger per se.
427, Coating Processes, for a process of coating in general, and note especially
212+, for processes of coating particles, flakes, or granules.
