Solar conductive spa water heater and safety cover

Details Solar conductive spa water heater and safety cover Solar conductive spa water heater and safety cover

1985-08-15

1987-04-28

Focarino, Margaret A.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126415, 126445, 4493, 4498, F24J 302

Patent

active

046605452

ABSTRACT:
Solar heated spa cover made from vacuum formed plastic material to form a first piece with a series of interconnected parallel U-shaped channels and a second top piece solvent or heat welded to the top of walls separating the channels. The spa water is heated by circulating water from and to the spa through the channels of the spa cover.

REFERENCES:
patent: 3022781 (1962-02-01), Andrassy
patent: 4078293 (1978-03-01), Aine
patent: 4079726 (1978-03-01), Voelker
patent: 4103368 (1978-08-01), Lockshaw
patent: 4190038 (1980-02-01), Heitland et al.
patent: 4236259 (1980-12-01), Wendt
patent: 4256087 (1981-03-01), Sowers
patent: 4270232 (1981-06-01), Ballew
patent: 4312323 (1982-01-01), Domenech
patent: 4422192 (1983-12-01), Jacobs

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