US PATENT SUBCLASS 209 / 639
.~.~.~ Fluid jet changes trajectory of item

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

509  DF  SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS {11}
606  DF  .~ Separating means {33}
638  DF  .~.~ Items separate by following different trajectories through space {4}
639.~.~.~ Fluid jet changes trajectory of item

DEFINITION

Classification: 209/639

Fluid jet changes trajectory of item:

(under subclass 638) Methods and apparatus wherein a stream of fluid impinges upon an item to change its trajectory.

SEE OR SEARCH THIS CLASS, SUBCLASS:

24, through 27, 32-35, 134-137, 145, 156, and 157, for bulk material classifying by use of a gaseous suspension in a horizontal or inclined current.