Screw conveyor

Details Screw conveyor Screw conveyor

1985-12-16

1987-02-24

Valenza, Joseph E.

Conveyors: power-driven

Conveyor system having a gravity conveyor section

With means to affect flow

198723, 222404, B65G 4719

Patent

active

046450645

ABSTRACT:
A screw conveyor having a propelling device to push a plastic material onto a screw is provided. The propelling device comprises a roller, a rectangular vane, and a guide member, which are disposed above the screw and adjacent a wall of the housing of the screw conveyor. The roller is adapted to rotate about its out axis while its circumferential surface is in contact with the arcuate face of the guide member, so that one end of the vane received slidably in a rectangular slot protrudes from the roller pheriphery to push a plastic material onto the screw, thereby promoting an effective feeding of the plastic material.

REFERENCES:
patent: 1828624 (1931-10-01), Sedwick
patent: 2579527 (1951-12-01), Weyerhaeuser
patent: 4167237 (1979-09-01), Hayashi

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