US PATENT SUBCLASS 241 / 72
.~.~.~.~.~ Series flow of material

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

*  DD  APPARATUS {41}
68  DF  .~ With separation or classification of material {7}
69  DF  .~.~ Comminuted material discharge permitting screen {3}
70  DF  .~.~.~ Screen partition or end wall in rotary drum {1}
71  DF  .~.~.~.~ Plural partitions or end walls {1}
72.~.~.~.~.~ Series flow of material

DEFINITION

Classification: 241/72

(under subclass 71) Apparatus in which the material is presented to and flows past the plural partitions in succession.