Atmospheric resistant doors

Details Atmospheric resistant doors Atmospheric resistant doors

1982-09-30

1984-02-07

Murtagh, John E.

Static structures (e.g., buildings)

Window or window sash, sill, mullion, or glazing

Decorative grill attached to sash

5230913, E06B 354

Patent

active

044294980

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: 2970347 (1961-02-01), Massopust
patent: 3331173 (1967-07-01), Elsner
patent: 3598686 (1971-08-01), Clark
patent: 3815657 (1974-06-01), Malek
patent: 4068431 (1978-01-01), Pitt

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