Conveyors: power-driven – Conveyor section – Thrower
Patent
1993-08-31
1995-01-17
Bidwell, James R.
Conveyors: power-driven
Conveyor section
Thrower
406 99, B65G 3104
Patent
active
053818865
ABSTRACT:
An apparatus for transporting and metering particulate material including a transport duct having an inlet, an outlet, and at least one moving surface located therebetween having a downstream facing drive surface. The apparatus further includes a motive device for moving the moving surface between the inlet and the outlet towards the outlet, wherein the particulate material becomes sufficiently compacted to cause the formation of a bridge composed of substantially interlocking particulates spanning the width of the transport duct. The bridging of the particulates causes the particulates to behave as a transient solid mass of particulates, such that the force exerted by the downstream facing drive surface upon particulates within the transport duct drives the entire mass of material through the transport duct towards the outlet. The apparatus is used to transport and meter particulate material under ambient conditions and against pressure.
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