Stoves and furnaces – Ovens – Domestic
Patent
1975-11-19
1977-10-04
Sprague, Kenneth W.
Stoves and furnaces
Ovens
Domestic
52222, 52615, 126271, F24J 302
Patent
active
040518337
ABSTRACT:
A composite reinforced structural panel includes upper and lower skin members with a flexible arched member arranged therebetween and secured in place by means of an adhesive, insulating material such as structural grade polyurethane foam, the ends of the flexible arched member being fixed to the lower skin member. Preferably, a solar energy collecting array is disposed upon each structural panel with means for interconnecting the solar arrays on adjacent panels. In a method of producing the panel, the upper and lower skin members and the flexible arched member are arranged in the manner described above whereupon the foam is injected therebetween to maintain the flexible member in its arched configuration. In a method of forming a surface upon a structure having spaced vertical supports at each end with a plurality of such panels, the panels are arranged so that the load bearing ends of the arched member in each panel span the distance between the support means, the joints between the adjacent panels being sealed and fitted to provide a continuous surface.
REFERENCES:
patent: 2089865 (1937-08-01), Voss
patent: 3563305 (1971-02-01), Hay
patent: 3872636 (1975-03-01), Nicosia
patent: 3887410 (1975-06-01), Lindner
patent: 3893506 (1975-08-01), Laing
patent: 3937208 (1976-02-01), Katz
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