US PATENT SUBCLASS 209 / 430
.~.~.~.~ Opposite travel

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

422  DF  STRATIFIERS {6}
*  DD  .~ With liquid treatment {3}
*  DD  .~.~ Movable bed {3}
428  DF  .~.~.~ Belt {3}
430.~.~.~.~ Opposite travel

DEFINITION

Classification: 209/430

(under subclass 428) Belts on which the lighter and the heavier material move in opposite directions to points of discharge.