(under subclass 60) Processes combined with the step of imparting to at least one lamina a crinkle or wrinkle effect, known as crepe, by the step of crowding a web or sheet back on itself to induce it to wrinkle.
(1) Note. The step of corrugating is not considered wrinkling within the scope of this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
196+, for combined corrugating and laminating.
SEE OR SEARCH CLASS
8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers,
117, for chemical processes of crinkling cellulosic fibers. 162, Paper Making and Fiber Liberation,
111+, and 280+ for processes and apparatus for creping or crinkling paper.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes, appropriate subclasses and especially
282, for processes of wrinkling or creping, per se, of paper or plastic materials.
