US PATENT SUBCLASS 241 / 27
.~ Subjecting material to impact by moving comminuting surface

Current as of: June, 1999
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241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  PROCESSES {17}
27.~ Subjecting material to impact by moving comminuting surface

DEFINITION

Classification: 241/27

(under the class definition) Processes in which the comminution or disintegration of the material is effected by subjecting the particles thereof to a blow by a moving surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5, and 39, for processes and apparatus in which material in a fluid stream is subjected to a blow by a moving surface.

86+, 185.5-197, for apparatus for comminuting material by subjecting it to the action of rotary striking members.