Stoves and furnaces – Tool having fluid fuel burner – Soldering iron
Patent
1989-07-17
1990-10-02
Yeung, James C.
Stoves and furnaces
Tool having fluid fuel burner
Soldering iron
126442, 126443, 126450, 126452, F24J 242
Patent
active
049601040
ABSTRACT:
A 4'.times.8' sheet of 1/2" plywood is sealed and painted black. A length of black rubber coated hose is mounted on the board with cable staples to form a single layer of coils. Twelve such boards having hoses so mounted thereon are placed side-by-side and groups of four adjacent boards are covered with a medium grade of clear vinyl. The vinyl is exposed to the sun which heats the boards and the hoses. Water from a swimming pool circulates through the hoses, which transfers heat to the water, and returns to the pool.
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patent: 3299881 (1967-01-01), Koch
patent: 3918430 (1975-11-01), Stout et al.
patent: 3985117 (1976-10-01), Sallen
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patent: 4138993 (1979-02-01), Conley
patent: 4187832 (1980-02-01), Tregoning
patent: 4280328 (1981-07-01), Falconer
patent: 4291680 (1981-09-01), White
patent: 4406278 (1983-09-01), Demmer
patent: 4421104 (1983-12-01), Adcock
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