Method and apparatus for foam insulating a vessel

Details Method and apparatus for foam insulating a vessel Method and apparatus for foam insulating a vessel

1987-09-28

1988-12-13

Jones, Larry

Stoves and furnaces

Liquid heater

Boiler receiving hot liquid or steam from stove or furnace

126373, 264 465, F24H 100, B29C 6500

Patent

active

047902906

ABSTRACT:
A method and apparatus for providing foam resin insulation for a vessel, such as a water heater. The water heater includes a tank to contain water to be heated and has a plurality of openings to receive components of the water heater. A jacket is spaced outwardly of the tank to provide a space therebetween to receive foam resin insulation. Prior to introducing the resin into the space, an elongated member, such as a rod, is engaged with the opening in the tank and the rod extends outwardly through an aligned opening in the jacket. A resilient pad, which is movable on the rod, is compressed against the outer surface of the jacket to seal the space between the jacket opening and the rod. A liquid foamable resin is introduced in the space between the tank and the jacket and expands to fill the space and provide an insulating layer.

REFERENCES:
patent: 3570266 (1971-03-01), Alvarez et al.
patent: 4372028 (1983-02-01), Clark et al.
patent: 4447377 (1984-05-01), Denton
patent: 4477399 (1984-10-01), Tilton
patent: 4527543 (1985-07-01), Denton
patent: 4541410 (1985-09-01), Jatana

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