Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1988-12-27
1989-09-26
Pollard, Steven M.
Receptacles
Outlet or junction box type
Sectional receptacle
220 83, 220469, B65D 8700
Patent
active
048693863
ABSTRACT:
A method of making a storage tank system comprises forming an outer containment wall comprised of a series of outer wall sections over a cylindrical-shaped inner storage tank. Each outer wall section is bonded to the inner tank's side wall at a distance of less than about four inches in height from the inner tank wall. The inner and outer walls of the system are both strengthened by wall caps which overlap the outer wall sections. Secondary containment is provided by the outer wall sections, wall caps and outer end caps. A monitored storage tank system with secondary containment is provided by the use of a leak detection means to monitor the closed space defined by the outer containment wall and the inner storage tank.
REFERENCES:
patent: 3335903 (1967-08-01), Anderson
patent: 3335904 (1967-08-01), Anderson
patent: 3700512 (1972-10-01), Pearson et al.
patent: 4004706 (1977-01-01), Guldenfels et al.
patent: 4561292 (1985-12-01), Pugnale et al.
patent: 4640439 (1987-02-01), Palazzo
patent: 4651893 (1987-03-01), Mooney
patent: 4715513 (1987-12-01), Shelton, Jr.
patent: 4778075 (1988-10-01), Wiegand et al.
patent: 4780946 (1988-11-01), Palazzo
patent: 4781777 (1988-11-01), Pugnale et al.
Pollard Steven M.
Wilson Charles R.
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