Tank construction and method of manufacture

Details Tank construction and method of manufacture Tank construction and method of manufacture

1992-07-13

1993-06-08

Moy, Joseph Man-Fu

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

220 406, 220 412, 220454, B65D 2308

Patent

active

052171400

ABSTRACT:
A tank construction including an outer shell of steel material comprised of two half members welded together. The half members are formed by a deep drawing process. An inner shell of non-corrosive material is cast inside the outer shell by a rotational casting procedure with the external surface of the inner shell located adjacent the internal surface of the outer shell. The inner shell of non-corrosive material provides a substantially leak-tight liner for the outer shell to thus prevent contact between the contents of the tank and the outer shell. The rotational casting of the inner shell inside the outer shell is accomplished by charging the outer shell with a non-corrosive material and then subjecting the outer shell to a rotational casting movement while heat is applied to the outer shell. The outer shell serves as a mold for the inner shell wherein the mold (outer shell) becomes a permanent part of the completed tank.

REFERENCES:
patent: 4154797 (1979-05-01), Miserlis et al.
patent: 4155787 (1979-05-01), De Sadien
patent: 4625892 (1986-12-01), Carlin, Jr.
patent: 4688691 (1987-08-01), Christian
patent: 4766019 (1988-08-01), Michaels et al.
patent: 4800128 (1989-01-01), Schachi et al.

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