The liberation of stalk and leaf fibers of plants.
SEE OR SEARCH THIS CLASS, SUBCLASS:
115+, for apparatus usually known as "hackles" when not designed to operate on pulpy plants and when not combined with other means especially adapted for decortication.
SEE OR SEARCH CLASS
162, Paper Making and Fiber Liberation,
20, for processes of decortication of mechanical preparation of textile fibers combined with a chemical fiber liberation, subclasses 21+ to 28 for other combinations of mechanical defibration and chemical fiber liberation processes, and subclasses 234+ for digesters combined with mechanical defibering means.
241, Solid Material Comminution or Disintegration, for fiber liberation involving comminution and see section 5 of the main class definition of that class (241) for the line.