Bin for free flowing material

Details Bin for free flowing material Bin for free flowing material

1981-04-27

1983-12-20

Rolla, Joseph J.

Dispensing

Collapsible wall-type container

With wall-collapsing means

222105, 2223865, B65D 8862

Patent

active

044212500

ABSTRACT:
A bin made of flexible bag material is disclosed for containing granular free flowing material and for discharging the entire mass of stored material remaining in the bin after discharge by gravity alone. The granular material is intially discharged through a discharge port of the bin by gravity until the remaining granular material forms a cone shape at its angle of repose and stops flowing out the discharge port. The bin is further emptied by forcing air into the bag to inflate an inner membrane until the remaining contents of the bin are fully discharged.

REFERENCES:
patent: 2646905 (1953-07-01), Vincent
patent: 2732099 (1956-01-01), Davis
patent: 2792262 (1957-05-01), Hathorn
patent: 2956839 (1960-10-01), Hermanns
patent: 3209894 (1965-10-01), Baechli
patent: 3273761 (1966-09-01), Langen
patent: 3351235 (1967-11-01), Paton
patent: 3396762 (1968-08-01), Paton
patent: 3421663 (1969-01-01), Paton
patent: 3421665 (1969-01-01), Paton
patent: 3456834 (1969-07-01), Paton
patent: 3502240 (1970-03-01), Paton
patent: 3858772 (1975-01-01), Myers

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