Water heater construction

Details Water heater construction Water heater construction

1981-07-16

1985-07-09

Shoap, Allan N.

Stoves and furnaces

Liquid heater

Boiler receiving hot liquid or steam from stove or furnace

126344, 122494, 220444, 220902, B65D 2518, F24H 118

Patent

active

045275432

ABSTRACT:
A water heater including a tank, a cylindrical jacket, surrounding the tank to provide an insulating space therebetween and a cover member mounted on top of the jacket to close off the top of the insulating space. An insulating wall is provided in the insulating space between the tank and the jacket. The insulating wall is comprised of a plastic envelope member and a wall of insulating material which has been foamed-in-place inside the envelope member.

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patent: 3091946 (1963-06-01), Kesling
patent: 3110302 (1963-11-01), Buehl
patent: 3120110 (1964-02-01), Russell
patent: 3160306 (1964-12-01), Smalley
patent: 3258883 (1966-07-01), Campanaro et al.
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patent: 3437423 (1969-04-01), Mondiadis
patent: 3521604 (1970-07-01), Nickel
patent: 4071160 (1978-01-01), Vick
patent: 4099641 (1978-07-01), Schiedat
patent: 4136141 (1979-01-01), Bauer et al.
patent: 4215798 (1980-08-01), Patterson et al.

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