US PATENT SUBCLASS 34 / 652
.~.~.~.~.~ Elongated thin gas or vapor stream

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}
652.~.~.~.~.~ Elongated thin gas or vapor stream {3}
653  DF  .~.~.~.~.~.~> Including distributor comprising tube with elongated slot
654  DF  .~.~.~.~.~.~> Including distributor comprising perforated plate
655  DF  .~.~.~.~.~.~> Including distributor having elongated slot {1}

DEFINITION

Classification: 34/652

Elongated thin gas or vapor stream:

(under subclass 629) Subject matter including means to direct a blast of gas upon, or draw gas over the material in a relatively fine slender stream.

SEE OR SEARCH THIS CLASS, SUBCLASS:

640+, for apparatus where the blast guides or floats the web.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

300.1, and particularly 303+, 316.1, and 405+, for blast or suction removal of foreign material such as water from a work piece, and see the reference to Class 15 in (3) Note in the main class definition of this class for a statement of the line.