US PATENT SUBCLASS 241 / 144
.~.~.~.~.~.~ Rotary surfaces of separate zones coaxial

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  DF  .~.~.~ All comminuting zones of rotary surface type {2}
142  DF  .~.~.~.~ Circumferential or tangential material flow only {1}
143  DF  .~.~.~.~.~ All cooperating surfaces rotate {2}
144.~.~.~.~.~.~ Rotary surfaces of separate zones coaxial

DEFINITION

Classification: 241/144

(under subclass 143) Apparatus in which a rotary surface of one of the comminuting zones is coaxial with a rotary surface of another comminuting zone.