US PATENT SUBCLASS 406 / 13
.~.~ Reversing of fluid current in single tube system

Current as of: June, 1999
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406 /   HD   CONVEYORS: FLUID CURRENT

10  DF  WITH MEANS TO CONTROL CONVEYING FLUID OR MOVEMENT OF LOAD IN RESPONSE TO SENSED CONDITION {3}
12  DF  .~ Control of conveying fluid {4}
13.~.~ Reversing of fluid current in single tube system

DEFINITION

Classification: 406/13

Reversing of fluid current in single tube system:

(under subclass 12) Subject matter wherein the controller causes the conveying fluid current to reverse its direction of flow through the conveyor*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

111, and 112, for other reversible single tube conveyors.