US PATENT SUBCLASS 241 / 159
.~.~.~.~.~ All cooperating surfaces rotate

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

*  DD  APPARATUS {41}
152.1  DF  .~ Series material flow only through plural comminuting zones {5}
155  DF  .~.~ All comminuting zones of cooperating surface type {3}
157  DF  .~.~.~ All comminuting zones of rotary surface type {2}
158  DF  .~.~.~.~ Circumferential or tangential material flow only {2}
159.~.~.~.~.~ All cooperating surfaces rotate

DEFINITION

Classification: 241/159

(under subclass 158) Apparatus in which all of the cooperating surfaces have rotary motion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

143+, for such devices arranged parallel or series-parallel.

227+, for single comminutors of this type.