Apparatus for emptying containers filled with powder

Details Apparatus for emptying containers filled with powder Apparatus for emptying containers filled with powder

1983-04-25

1984-05-01

Nase, Jeffrey V.

Conveyors: fluid current

Intake to fluid current conveyor

Upstream of suction source

B65G 5350

Patent

active

044458096

ABSTRACT:
Powders with a relatively low bulk density can be emptied from transportation containers only with a large and undesired production of dust. The apparatus for emptying powder-filled containers consists of a suction tube on which a fluidizing device is arranged in the neighborhood of the open end of the tube. This fluidizing device can have the form of a double-jacketed cone concentrically about the tube, or a hollow sphere concentrically about the tube. Fluidizing air can be introduced into the powder through bores arranged in the direction of the opening of the tube. To prevent the suction tube being sucked onto the container wall, the opening of the suction tube has a crenelated edge.

REFERENCES:
patent: 412388 (1889-10-01), Hungerford
patent: 1242840 (1917-10-01), Naramor
patent: 2301617 (1942-11-01), Cox et al.
patent: 3097017 (1963-07-01), Turner et al.
patent: 4029364 (1977-06-01), Salzer
patent: 4203688 (1980-05-01), Shapunov et al.

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