Bulk bag handling and discharging apparatus

Details Bulk bag handling and discharging apparatus Bulk bag handling and discharging apparatus

1990-07-10

1991-12-03

Bucci, David A.

Material or article handling

Elevator or hoist and loading or unloading means therefor

Convertible attachment

414412, 414608, 222181, B65D 3338, B57B 726, B66F 900

Patent

active

050695967

ABSTRACT:
A method and apparatus for handling and discharging bulk bags allowing dosage control is disclosed. A bulk bag is hung from a maneuverable frame with a pair of winches mounted thereon. After opening the bottom of the bag, actuation of the winches tightens a cable looped around the lower portion of the bag to restrict the flow of material out of the opening. A bulk bag specially adapted for the method is also disclosed.

REFERENCES:
patent: 3961655 (1976-06-01), Nattrass et al.
patent: 4113146 (1978-09-01), Williamson
patent: 4194652 (1980-03-01), Williamson et al.
patent: 4291812 (1981-09-01), Harmes et al.
patent: 4449649 (1984-05-01), Flannigan
patent: 4527716 (1985-07-01), Haas et al.
patent: 4646357 (1987-02-01), Nattrass
patent: 4735546 (1988-04-01), Conley
patent: 4759473 (1988-07-01), Derby et al.
patent: 4883201 (1989-11-01), Poulton
patent: 4966311 (1990-10-01), Taylor

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