US PATENT SUBCLASS 406 / 55
.~.~.~ Including means to fluidize material

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

51  DF  WITH DIVERSE POWER-DRIVEN CONVEYOR {4}
52  DF  .~ Rotary {5}
53  DF  .~.~ Screw {3}
55.~.~.~ Including means to fluidize material

DEFINITION

Classification: 406/55

Including means to fluidize material:

(under subclass 53) Subject matter wherein means are provided to cause the load to assume a flowable state while being moved by the helical surface.