US PATENT SUBCLASS 241 / 158
.~.~.~.~ Circumferential or tangential material flow only


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.~.~.~.~ Circumferential or tangential material flow only {2}
159  DF  .~.~.~.~.~> All cooperating surfaces rotate
160  DF  .~.~.~.~.~> One surface of each couple nonrotary


DEFINITION

Classification: 241/158

(under subclass 157) Apparatus in which all of the comminuting zones are the type in which the material flows circumferentially or tangentially of the rotary surfaces during comminution.

SEE OR SEARCH THIS CLASS, SUBCLASS:

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

221+, for single comminutors of this type.