US PATENT SUBCLASS 209 / 451
.~.~.~.~ Horizontal or inclined axis

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  .~.~ Receptacles {3}
*  DD  .~.~.~ Rotating {2}
451.~.~.~.~ Horizontal or inclined axis {1}
452  DF  .~.~.~.~.~> With agitators or conveyors

DEFINITION

Classification: 209/451

(under subclass 422) Receptacles of nontabular form rotating on horizontal or inclined axes in which material mingled with liquid, either added or accompanying, is so treated that the heaviest constituents settle out as a stratum, while the lighter either form overlying strata or are carried away by the liquid.