US PATENT SUBCLASS 209 / 426
.~.~.~.~.~ Divergent or opposite travel

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

422  DF  STRATIFIERS {6}
*  DD  .~ With liquid treatment {3}
*  DD  .~.~ Movable bed {3}
*  DD  .~.~.~ Permeable {2}
425  DF  .~.~.~.~ Pulsating current {2}
426.~.~.~.~.~ Divergent or opposite travel

DEFINITION

Classification: 209/426

(under subclass 425) Devices and methods in which a pulsating or interrupted flow of liquid through a permeable or perforated support and mixed material thereon to form strata and the upper and lower strata are separated by flowing in divergent or opposite directions.