Measuring and testing – With fluid pressure – Leakage
Patent
1991-12-16
1993-12-14
Williams, Hezron E.
Measuring and testing
With fluid pressure
Leakage
73 492, G01M 320
Patent
active
052691721
ABSTRACT:
A storage tank apparatus is described which comprises an above-ground storage tank having a first, lowermost bottom, a second bottom joined to the walls of the storage tank above the first, lowermost bottom and defining a space between the first and second bottoms, structural support means placed in the space between the first and second bottoms for supporting the second bottom above the first bottom, and a plurality of sampling ports spaced about the perimeter of the storage tank and permitting access to the space between the first and second bottoms and to the avenues for fluid communication provided therethrough by the structural support means. Processes for detecting leaks and avenues for leaks of materials placed in the storage tanks of such apparatus are also described.
REFERENCES:
patent: 2220186 (1940-11-01), Walker
patent: 3902356 (1975-09-01), Rupf-Bolz
patent: 4918978 (1990-04-01), Green
patent: 4939833 (1990-07-01), Thomas
patent: 5048324 (1991-09-01), Thompson
Daigle Emanuel L.
Watson John C.
Roskos Joseph W.
The Dow Chemical Company
Williams Hezron E.
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