(under the class definition) Apparatus having means to recirculate the treated material in whole or part through the material treating zone or through a part of such zone.
SEE OR SEARCH THIS CLASS, SUBCLASS:
95, for means to recirculate solids which contact the material undergoing treatment to dry the same.
376+, for corresponding processes.
576+, for fluid current type driers provided with material recirculating means, and see notes.
SEE OR SEARCH CLASS
198, Conveyors: Power-Driven,
580, for plural conveyors arranged to recycle all or a portion of the conveyed load on a closed path, and subclass 720 for a pusher conveyor having the same arrangement.