US PATENT SUBCLASS 209 / 286
.~.~.~.~.~ Inlets

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

233  DF  SIFTING {16}
*  DD  .~ Drum sifters {2}
*  DD  .~.~ Horizontal and inclined {4}
284  DF  .~.~.~ Feeding or dischargingd {1}
285  DF  .~.~.~.~ Peripheral feed {1}
286.~.~.~.~.~ Inlets

DEFINITION

Classification: 209/286

(under subclass 285) Hollow cylindrical or drum sifters having passages or inlets through their peripheral walls through which unsifted material is passed to the interiors of said sifters to be sifted within the drums, the undersize passing out of the drums through the sifting passages of the drums.

SEE OR SEARCH THIS CLASS, SUBCLASS:

407, for frames to which sectional drum sifters are attached.