Presses – With additional treatment of material – Cutting – breaking – piercing – or comminuting
Patent
1993-01-25
1994-06-21
Gerrity, Stephen F.
Presses
With additional treatment of material
Cutting, breaking, piercing, or comminuting
100139, 100142, 100215, 100232, B30B 704
Patent
active
053220099
ABSTRACT:
An apparatus for metered infeeding, compacting as required, and pumping coarse material of little fluidity such as raw feathers includes infeed metering transferring compacting and pumping mechanisms. The infeed metering mechanism intermittently infeeds a slug of material being at original uncompressed bulk density and approximately equal to an amount of material required for each cycle of operation of the apparatus. The transferring mechanism has a rotatable screw conveyor operable for rapidly receiving and transferring the slug and a wiper arm mounted to a discharge end of the screw conveyor to rotate therewith and create a plane of cleavage in the material being discharged therefrom. The compacting mechanism has an elongated chute with an offset located adjacent the discharge end of the screw conveyor and a compactor reciprocally movable in the chute between retracted and extended positions. The chute is disposed in transverse relation to the screw conveyor for receiving the slug of material therefrom. The compactor pre-compresses the slug of material into an elongated cylinder of the pumping mechanism without the material jamming at any of the pinch-points in the chute. The discharge end of the compactor chute is coincident with an inlet opening in the side of a ram cylinder that is disposed transversely to the chute. A ram reciprocally movable in the cylinder from a retracted position to an extended position during each pumping cycle then further compresses the slug of material and ejects it from the cylinder.
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Flanagan John R.
Gerrity Stephen F.
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