Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1977-04-01
1979-08-07
Sprague, Kenneth W.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
52545, F24J 302
Patent
active
041634454
ABSTRACT:
An elongate roofing panel for assembly on a support structure with a plurality of like panels to form a roof covering. The panel has a first elongate edge adapted to be fixed to the support structure; and a second elongate edge opposite to the first elongate edge, adapted to engage the first elongate edge of an adjacent panel to restrain the second edge against movement normal to the plane of the panel. The elongate edges are formed as respective first and second beam elements projecting on opposite sides of the panel for supporting the panel on the support structure, and the panel is formed with ribs spanning transversely between the beam elements for transmitting thereto the load of the panel. Ideally the panel also serves as a solar heating panel, the ribs defining transverse ducts in which a fluid is heated as it is conveyed across the panel from an entry to an exit duct, these latter extending longitudinally from one end of the panel to the other.
REFERENCES:
patent: 3473274 (1969-10-01), Godes
patent: 3703062 (1972-11-01), McKinney
patent: 3945166 (1976-03-01), Hosoda et al.
patent: 3983675 (1976-10-01), Pearse et al.
patent: 4029080 (1977-06-01), Warren
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