US PATENT SUBCLASS 34 / 587
.~.~ Gas or vapor presses material against screen or sieve

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
576  DF  .~ With fluid current conveying of treated material {12}
587.~.~ Gas or vapor presses material against screen or sieve

DEFINITION

Classification: 34/587

Gas or vapor presses material against screen or sieve:

(under subclass 576) Subject matter wherein the conveying gas or vapor pushes the treated materials against a rigid mesh.