US PATENT SUBCLASS 209 / 285
.~.~.~.~ Peripheral feed

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.~.~.~.~ Peripheral feed {1}
286  DF  .~.~.~.~.~> Inlets

DEFINITION

Classification: 209/285

(under subclass 284) Hollow cylinder or drum sifters having means for delivering material to the outside of the drums or cylinders for the undersize particles to be passed inside the sifting walls and the oversize retained on the outside.

SEE OR SEARCH CLASS

19, Textiles: Fiber Preparation,

304+, for screen condensers for forming webs from fibers, and subclass 202 for cleaning by condensing.

162, Paper Making and Fiber Liberation,

323+, for cylinder mold type paper making machines.