Phenolic laminate solar absorber panel and method of making

Details Phenolic laminate solar absorber panel and method of making Phenolic laminate solar absorber panel and method of making

1977-09-26

1979-09-18

Scott, Samuel

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

264512, 264521, 165180, F24J 302

Patent

active

041679350

ABSTRACT:
A solar flat plate absorber panel is molded from a laminate consisting of a suitable web material impregnated with a thermosetting phenolic resin. The absorber plate is pressure formed from superimposed layers of material and mold-cured to produce a unitary structure having a first or solar radiation absorbing surface on one side and an integral closed hollow lattice work of fluid heat transfer passages on the other or reverse side of the panel. The laminate web may be made from any suitable material such as paper, cloth, canvas or wire mesh which is easily impregnated with a thermosetting phenolic resin. In the preferred embodiment a B-stage phenol-formaldehyde resin is used. The two superimposed sheets of impregnated material are molded between heated platens of an hydraulic press to form an integral structure and fluid pressure between the sheets is utilized to mold the desired passage shape 5.

REFERENCES:
patent: 2482525 (1949-09-01), Wachter
patent: 2625499 (1953-01-01), Nebesar
patent: 3103789 (1963-09-01), McDuff et al.
patent: 3538719 (1970-11-01), Pradel
patent: 3620902 (1971-11-01), Anderson
patent: 3935358 (1976-01-01), Wyeth et al.
patent: 3996092 (1976-12-01), Sarazin et al.
patent: 4076873 (1978-02-01), Shea

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