Atmospheric resistant doors

Details Atmospheric resistant doors Atmospheric resistant doors

1977-04-27

1981-08-04

Murtagh, John E.

Static structures (e.g., buildings)

With synthetic resinous component

Foam

428 45, 428321, E04B 162, E04C 226

Patent

active

042814936

ABSTRACT:
This disclosure relates to a door which is resistant to hostile environments, such as corrosive chemicals, high humidity, etc., and includes a one-piece stile and rail fiberglass and resin reinforced collar, the collar being of an inwardly opening generally U-shaped configuration, the U-shaped collar being defined by a bight portion and opposite faces, and a fiberglass resin reinforced plate secured to the exterior of each of the faces. In keeping with the method of this invention the collar is internally reinforced, afterwards it is sandwiched between the plates, the three components are then bonded to each other, each plate is trimmed to the peripheral outline of the collar, and the trimmed edges of the plates are then coated with a polyester resin.

REFERENCES:
patent: 2731682 (1956-01-01), Evans
patent: 3080268 (1963-03-01), Bjork
patent: 3299595 (1967-01-01), Munk
patent: 3364645 (1968-01-01), Wenzelberger
patent: 3402520 (1968-09-01), Lee
patent: 3538664 (1970-11-01), Frandsen
patent: 3546841 (1970-12-01), Smith
patent: 3895159 (1975-07-01), Yoshimura

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