Bin for storing and discharging free-flowing granular material

Details Bin for storing and discharging free-flowing granular material Bin for storing and discharging free-flowing granular material

1981-09-30

1984-05-22

Rolla, Joseph J.

Dispensing

Collapsible wall-type container

With wall-collapsing means

222105, 2223865, 52197, B65D 8862

Patent

active

044496460

ABSTRACT:
A bin for storing and discharging free-flowing granular material, such as sugar, has a cup-shaped bag with a dual flexible wall for holding the material and a discharge opening in its bottom resting on a flat floor. Fluid under pressure between the flexible walls causes the inner wall to expand and discharge the material that would otherwise remain after assuming its angle of repose. The upper inner wall of the cup-shaped bag is provided with slack in the flexible wall above the angle of repose, and is anchored at the bottom of its side walls. The bin is also provided with a back-up outside wall.

REFERENCES:
patent: 2956839 (1960-10-01), Hermanns
patent: 4306668 (1981-12-01), Love

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