Fluid storage tank

Receptacles – Closures – Floating closure

Patent

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Details

220216, 220578, B65D 8840

Patent

active

053059042

ABSTRACT:
An improved fluid storage tank of the type having a bottom, side walls and a floating roof. A plurality of first support legs extend upwardly from the bottom. A plurality of second support legs extend from the floating roof. A power device attached to the floating roof is provided to rotate the roof between a first position in which the first and second support legs are not aligned, allowing the roof to be supported at a first elevation, and a second position in which the first and second support legs are aligned, allowing the roof to be supported at a second elevation.

REFERENCES:
patent: Re29270 (1977-06-01), Nelson
patent: 2554768 (1951-05-01), Allen

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