Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1985-10-30
1989-06-13
Lowrance, George E.
Receptacles
Outlet or junction box type
Sectional receptacle
220 71, 220 83, B65D 634, B65D 600, B65D 8802
Patent
active
048384496
ABSTRACT:
A storage tank has side walls (100) each assembled from a plurality of panels (1), preferably of metal clad GRP, interconnected with one another. The panels (1) are each of hyperbolic paraboloid ("hypar") shape thus providing a concave surface (3) which, on assembly of the tank, faces out. The tanks may be strengthened by internal bracing (500) under tension or external bracing under compression.
REFERENCES:
patent: 1033913 (1912-07-01), Lloyd
patent: 1496585 (1924-06-01), Mangrum
patent: 1686931 (1928-09-01), Russell
patent: 1981568 (1934-11-01), Owen
patent: 4193510 (1980-03-01), Weston
patent: 4421827 (1983-12-01), Phillips
Bulletin of the International Association for Shell and Spatial Structures, No. 75, Apr. 1981, pp. 35-44; No. 69, Apr. 1979, pp. 43-48.
Jarnott Frank T.
Norwood Leslie S.
Lowrance George E.
Scott Bader Company Limited
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