Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1988-03-30
1989-04-11
Hall, George T.
Receptacles
Outlet or junction box type
Sectional receptacle
220457, 220444, B65D 600, B65D 800
Patent
active
048198218
ABSTRACT:
A cylindrical-shaped rigid inner storage tank with substantially flattened ends is jacketed in a manner which results in storage tank system capable of holding detecting liquid or being placed under non-atmospheric pressure without structural damage. The rigid inner tank initially has end plates mounted on its flattened ends. Thereafter, a separating agent is applied over the side walls of the storage tank, a layer of fibrous reinforcing material applied on the separating agent and the end plates, and a resinous material applied. The resultant jacket is independent from the side walls of the inner tank. True secondary containment is provided by the jacket. A fail safe containment storage tank system is provided by the use of a leak detection means to monitor the closed space between the storage tank and jacket for tank or jacket leakage.
REFERENCES:
patent: 3335903 (1967-08-01), Anderson
patent: 3700512 (1972-10-01), Pearson et al.
patent: 4561292 (1985-12-01), Pugnale et al.
patent: 4568925 (1986-02-01), Butts
patent: 4673102 (1987-06-01), Bullock, Jr.
Hall George T.
Wilson Charles R.
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