US PATENT SUBCLASS 222 / 387
.~.~ Valved outlet, movable discharge guide and/or gas vent

Current as of: June, 1999
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222 /   HD   DISPENSING

251  DF  WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30}
386  DF  .~ Container with follower {8}
387.~.~ Valved outlet, movable discharge guide and/or gas vent

DEFINITION

Classification: 222/387

(under subclass 386) Dispensers in which (1) the outlet is valve controlled, (2) the nozzle or other discharge guide is movable relative to the dispenser, and/or (3) means are provided for venting gas from the material side of the follower.

SEE OR SEARCH THIS CLASS, SUBCLASS:

320, for movable nozzles connected to the follower.

380, for valved outlets for casing enclosed discharge assistants which receive material from a supply.

526+, and see the notes thereto for movable discharge guides.

544+, and see the notes thereto for other dispensers with flow controllers or closures.