US PATENT SUBCLASS 34 / 643
.~.~.~.~.~.~ Having nozzles on opposite sides of web

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

523  DF  APPARATUS {40}
611  DF  .~ Sheet, web, or strand {3}
618  DF  .~.~ For flexible sheet, web, or strand {6}
623  DF  .~.~.~ Running length {5}
629  DF  .~.~.~.~ With gas or vapor circulation for contact with treated material {15}
640  DF  .~.~.~.~.~ Fluid current support or guide {3}
643.~.~.~.~.~.~ Having nozzles on opposite sides of web {1}
644  DF  .~.~.~.~.~.~.~> Adjustable distance between opposed nozzles

DEFINITION

Classification: 34/643

Having nozzles on opposite sides of web:

(under subclass 640) Subject matter including gas or vapor distributors situated to face each other and different sides of the web.