US PATENT SUBCLASS 241 / 54
.~.~.~ Horizontal gas current though rotary drum

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

*  DD  APPARATUS {41}
38  DF  .~ Including means applying fluid to material {7}
47  DF  .~.~ Gas swept comminuting zone {9}
54.~.~.~ Horizontal gas current though rotary drum

DEFINITION

Classification: 241/54

(under subclass 47) Apparatus in which a rotary drum forms the comminuting zone through a substantial part of which passes a gas current which progresses in a generally horizontal direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

45, for apparatus in which a horizontal gas current passes through a succession of rotary drums or compartments of a single drum.