Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1978-08-30
1980-01-01
Pollard, Steven M.
Receptacles
Outlet or junction box type
Sectional receptacle
220 75, 220 5A, 220 1B, 220 85S, B65D 742, B65D 702, B65D 2500
Patent
active
041812379
ABSTRACT:
A liquid storage tank having a wall made of a plurality of metal plates having adjacent abutting edges joined together by at least vertical welded joints, at least some of the joints having an elongated tubular metal member with a surface in spanning contact with the welded joint for at least part of the joint length, a plurality of spaced apart holes in the tubular member surface, in contact with the metal plates, the joint being butt welded from one side with the tubular member in place spanning the other side of the joint, and the side edges of the tubular member surface being joined by a continuous weld to the adjacent metal plates.
REFERENCES:
patent: 1899755 (1933-02-01), Grigis
patent: 2598160 (1952-05-01), Gruenais
patent: 2683914 (1954-07-01), Reimbert
patent: 3225953 (1965-12-01), Wolfe
Kenyon John W.
Shockley Lestle R.
Van Niel Paul R.
Chicago Bridge & Iron Company
Pollard Steven M.
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