US PATENT SUBCLASS 209 / 453
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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}
453.~.~.~.~ Vertical axis


DEFINITION

Classification: 209/453

(under subclass 422) Receptacles of nontubular form (having substantial depth) rotating on vertical axes in which material is treated with mingled liquid, either accompanying or added, so that the heaviest constituents may settle as a stratum, while the lighter either form overlying strata or are carried off by the liquid.

(1) Note. Agitators for the material may be present on or absent.