US PATENT SUBCLASS 241 / 141
.~.~.~ All comminuting zones of rotary surface type


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

*  DD  APPARATUS {41}
134  DF  .~ Parallel material flow through plural comminuting zones {5}
139  DF  .~.~ All comminuting zones of cooperating surface type {3}
141.~.~.~ All comminuting zones of rotary surface type {2}
142  DF  .~.~.~.~> Circumferential or tangential material flow only {1}
146  DF  .~.~.~.~> Axial or radial material flow only


DEFINITION

Classification: 241/141

(under subclass 139) Apparatus in which all of the comminuting zones involve the use of cooperating surfaces at least one of which rotates.

SEE OR SEARCH THIS CLASS, SUBCLASS:

157+, for such comminutors arranged for series flow of material.

220+, for single comminutors of this type.