.~ By operations other than force of contact with solid surface
DEFINITION
Classification: 241/1
(under the class definition) Processes in which the comminution or disintegration is effected by an operation of the material other than the application of force to the material by contacting it with a solid surface.
(1) Note. Contained in this subclass, for example, are those processes in which the mere application of heat results in comminution and those where the material is disintegrated by the generation and sudden release of internal pressure. The term "solid surface" has been considered to include particles of the material undergoing treatment, so that processes in which the material is disintegrated by contacting it with other portions of the same material will be found classified in other appropriate subclasses in this class.
(2) Note. Operations on material which result in a chemical change are not included. See CHEMICAL COMPOUNDS, COMPOSITIONS, FOODS AND BEVERAGES of the class definition.
SEE OR SEARCH CLASS
99, Foods and Beverages: Apparatus,
323.4+, for apparatus for puffing cereal wherein the seed is not comminuted. 175, Boring or Penetrating the Earth,
11+, for a process or means for boring a hole in the earth by directly applying heat to fluidize or comminute the material forming the earth.
606, Surgery,
2.5, for subject matter relating to removal of a calculus (e.g., stone) from the body wherein the calculus is fractured or disintegrated by use of light energy.
