Patent ID: 6434898
Filing Date: 2002-08-20
Classification: E06B

Abstract:
A flush glazed door comprising:a rigid wooden frame having an opening for mounting an insulated window therein and having an internal cavity containing insulating foam therein; a metal sheathing secured on each side of said wooden frame; a window frame unit mounted within said opening of said wooden frame, a bottom portion of said window frame unit being partially embedded within said insulating foam; an insulated glass window positioned within said window frame unit; means for retaining said glass window within said window frame unit in an air-tight and weatherproof manner; wherein said insulating foam is continuous with said bottom portion of said window frame unit to provide adequate insulation; and wherein said window frame unit comprises an integrally formed first shoulder having a continuous cavity along its length to provide a thermal break, said first shoulder having an interior face formed at right angles to a window surround and which terminates at an upper end in an inwardly projecting lip, said lip contacting said glass to provide a watertight seal when said window is inserted into the wooden frame, and flanges integrally formed with said window frame unit to define recesses for retaining edge portions of the door sheathing, said window frame having flexible insulation seals formed along free edges of said flanges.