US PATENT SUBCLASS 209 / 481
.~.~.~ Opposite travel

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

422  DF  STRATIFIERS {6}
*  DD  .~ Movable bed {2}
479  DF  .~.~ Chutes, tables, and receptacles {2}
481.~.~.~ Opposite travel

DEFINITION

Classification: 209/481

(under subclass 479) Apparatus in which the heaviest constituents and the lighter constituents move in opposite directions to discharge.

SEE OR SEARCH THIS CLASS, SUBCLASS:

442, for stratifiers with liquid treatment employing chutes or tables involving opposite travel of material.

691+, for separating items while contacting an inclined surface of a moving support.