Overhead door panel and method of making

Details Overhead door panel and method of making Overhead door panel and method of making

1985-11-18

1987-08-11

Raduazo, Henry E.

Static structures (e.g., buildings)

With synthetic resinous component

Foam

E04C 100, E06B 312

Patent

active

046852662

ABSTRACT:
An overhead garage door panel (9) having a front sheet metal skin (10) and a rear skin (11) of insulating material and a core (12) of synthetic foam between the skins, the marginal edges of said metal skin (10) being progressively formed into folded over hems (24) of double thickness, said hems (24) then being further progressively roll-formed into rearwardly disposed upwardly offset upper and lower channels (20) and (20') extending longitudinally of said panel (9), and applying vertical metal end stiles (13) to the ends of said channels (20) and (20') to enclose the ends of said core (12).

REFERENCES:
patent: 3740916 (1973-06-01), Kenaga
patent: 3967671 (1976-07-01), Stanley et al.
patent: 4132042 (1979-01-01), DiMaio
patent: 4284119 (1981-08-01), Martin
patent: 4339487 (1982-07-01), Mullet
patent: 4379480 (1983-04-01), Kempel et al.

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