Inventory reduction by displacement

Details Inventory reduction by displacement Inventory reduction by displacement

1985-09-06

1987-05-12

Rolla, Joseph J.

Dispensing

Collapsible wall-type container

With casing or support

2223865, 220 1B, 220 85B, B65D 3556

Patent

active

046642943

ABSTRACT:
An apparatus is disclosed for displacing a portion of liquid stored in a tank using impervious bladders formed with flexible membranes. The bladders are filled with material having a density greater than the density of the stored liquid and cover substantially the entire usuable bottom of the tank. The tank bottom also has unusable areas including inflow pipes, outflow pipes, heaters, support columns or floating roof support legs. Substantially rigid protectors are provided preventing the bladders from expanding into the unusable areas of the tank bottom.

REFERENCES:
patent: 2924350 (1960-02-01), Greer
patent: 3275197 (1966-09-01), Eklund
patent: 3385477 (1968-05-01), Chevalaz
patent: 4060175 (1977-11-01), Rysgaard, Sr.
patent: 4318348 (1982-03-01), Parsons et al.
patent: 4461402 (1984-07-01), Fell et al.
patent: 4573508 (1986-03-01), Knaus

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