Method and apparatus for storing and unloading bulk material

Details Method and apparatus for storing and unloading bulk material Method and apparatus for storing and unloading bulk material

1974-02-04

1976-03-02

Sheridan, Robert G.

Dispensing

Snap-acting outlet element

Axially movable tube, sleeve, or apertured cap

214152, 222389, B65G 6540

Patent

active

039412580

ABSTRACT:
Bulk storage and unloading apparatus including a storage compartment having a substantially flat bottom and at least one side wall rising upwardly therefrom, a discharge opening being formed in such bottom wall at a location remote from such side wall. A bladder liner extends substantially the whole length of the compartment and lines the bottom wall and projects upwardly along such side wall to at least the angle of repose between such outlet and the side wall for a predetermined bulk material. The bladder is operative upon inflation thereof to first balloon outwardly away from such side wall at the upper extremity thereof to roll the uppermost bulk material away from such side wall and is further operative upon continued inflation thereof to progressively balloon outwardly greater distances from the side wall to progressively roll the uppermost granular material away from such side wall to fall out such outlet.

REFERENCES:
patent: 3139998 (1964-07-01), Seaman
patent: 3351235 (1967-11-01), Paton

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