Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1981-04-01
1982-04-20
Davis, Albert W.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126450, 350293, F24J 302, G02B 718
Patent
active
043253601
ABSTRACT:
A solar collector formed of lightweight concrete wherein zones of higher and lower density concrete are used to form the integral unitary structure. The collector is suspended from an absorber pipe by support means included in the high density zones of concrete.
REFERENCES:
patent: 3049055 (1962-08-01), Tubbs
patent: 3286418 (1966-11-01), Radford
patent: 3310102 (1967-06-01), Trombe
patent: 3431397 (1969-03-01), Webb
patent: 3897136 (1975-06-01), Salvail
patent: 4085733 (1978-04-01), Bowles
patent: 4149523 (1979-04-01), Boy-Marcotte
patent: 4164933 (1978-04-01), Aloss
Special Concretes, Mortors, and Products; Portland Cement Associates, 1975, pp. 7, 8, and 23.
Anderson G.
Davis Albert W.
Roediger Joseph H.
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