Method of and apparatus for fabrication of an insulated fluid st

Details Method of and apparatus for fabrication of an insulated fluid st Method of and apparatus for fabrication of an insulated fluid st

1987-03-20

1988-06-07

Scott, Samuel

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 453, 264 467, 264 466, 264 469, 264257, 264261, 264267, B29C 6500

Patent

active

047495324

ABSTRACT:
A hot water heater includes a storage tank and an outer decorative shell spaced from the tank. A foam insulation fills a cavity between the tank and the shell and a bottom wall in the form of preassembled fiberglass belt. The belt is wrapped and secured about to the tank by an encircling compressing and centrally located band. The outer ends of the belts flare outwardly to a diameter in excess of the inner diameter of the shell. A flat, flexible plastic sheet has a narrow portion draped over the top of the tank and sides extended down and overlap the opposite sides of the belt. The lower ends of the sheet essentially covers the belt. The flexible plastic sheet has a slight angle between the tank top and the belt. The outer shell which has a diameter somewhat less than that of the flared belt is telescoped downwardly over the tank and sheet folds the apron into a circular configuration, compressing the belt tightly between the storage tank and the shell. The apron is then removed by grasping the top end and pulling longitudinally outwardly. The compressed fiberglass readily expands to maintain a firm seal with the adjacent shell after removal of the apron. Foam insulation material is then introduced into the cavity, and enters into and is interconnected with the fiberglass belt.

REFERENCES:
patent: 3446881 (1969-05-01), Poole
patent: 4107833 (1978-08-01), Knight et al.
patent: 4240999 (1980-02-01), Decker
patent: 4632792 (1986-12-01), Clark

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