Lined hopper for storing solids

Details Lined hopper for storing solids Lined hopper for storing solids

1993-04-29

1994-11-01

Huson, Gregory L.

Dispensing

Collapsible wall-type container

Plural container and/or compartment

222105, 220 417, 220691, 220692, B65D 3522

Patent

active

053601432

ABSTRACT:
A hopper for solids is disclosed which, in one aspect, has a main hollow body for storing the solids, an inlet for feeding solids into the main hollow body, a discharge section for discharging the solids from the main hollow body, and a plastic liner device loosely covering interior surfaces of the hopper. In one aspect the plastic liner device includes sub-parts, each sub-part secured to a sub-part of the main hollow body and/or to the inlet or discharge sections. In one aspect separate sealed compartments facilitating leak detection are formed between each liner sub-part and the wall of the main hollow body. Also disclosed is a hopper that provides both primary (liner) and secondary (hopper wall) containment.

REFERENCES:
patent: Re32232 (1986-08-01), Bonerb et al.
patent: 2912136 (1959-11-01), Redmond et al.
patent: 2953276 (1960-09-01), Dunn
patent: 2967699 (1961-01-01), Brown
patent: 2970042 (1961-01-01), Lagerwey
patent: 3199726 (1965-08-01), Pierson
patent: 3355080 (1967-11-01), Rausing et al.
patent: 3777938 (1973-12-01), Nikowitz et al.
patent: 4079851 (1978-03-01), Valyi
patent: 4625892 (1986-12-01), Carlin, Jr.
patent: 4946071 (1990-08-01), Poulton

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