Improved window and door structure

Details Improved window and door structure Improved window and door structure

1991-02-05

1991-09-03

Kannan, Philip C.

Movable or removable closures

With means mounting closure for swinging

Closure nests within portal frame

49408, 52209, E05D 700, E06B 714

Patent

active

050441213

ABSTRACT:
A window or door unit is disclosed having means for equalizing air pressure within a window or door sash about the perimeter and front portion of the sash with atmospheric air pressure at the exterior of the sash under high wind conditions to avoid drawing up and accumulation of water within the sash. The structure of the invention comprises the provision of at least one vent opening in the upper portion of the sash on the exterior side of the sash for communication of exterior air with the interior of the sash and equalization of air pressure about the perimeter of the interior of the sash, in communication with at least one exterior water drain hole at the bottom of the sash, with exterior atmospheric air pressure.

REFERENCES:
patent: 3383815 (1968-05-01), Smith, Jr.
patent: 3520084 (1970-07-01), Gigante
patent: 3636660 (1972-01-01), Peterson
patent: 4040219 (1977-08-01), Budich
patent: 4614062 (1986-09-01), Sperr
patent: 4852312 (1989-08-01), Harbom

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