Movable or removable closures – With means mounting closure for swinging – Closure nests within portal frame
Patent
1979-12-26
1982-02-09
Downey, Kenneth
Movable or removable closures
With means mounting closure for swinging
Closure nests within portal frame
49DIG1, 49484, 49501, 52208, 52403, E05D 700
Patent
active
043144241
ABSTRACT:
This invention relates to a thermal window construction which comprises a fixed frame member and a movable frame or operating sash member. The window is characterized in that the operating sash member includes an outwardly facing glazing surface to which a pane sub-assembly comprising two or more glass lites are connected, the bond between the pane sub-assembly and operating sash being provided by a bead or quantity of silicone interposed between an inwardly directed surface of the sub-assembly and the glazing surface through a laterally open channel, whereby complete filling of the said space may be assured. The overlapping areas of glass and metal bonded by the silicone rubber material are coordinated with the glass expanse and weight in such manner that the stress applied to the bonded areas will not exceed about 20 p.s.i. The fixed frame member includes a flange member which outwardly laps the outermost face of the sub-assembly, a deformable gasket or the like being disposed between these parts, to define a weather-tight seal with said outer face. The assembly includes, in addition, a resilient seal member extending between a thermally isolated portion of the outer frame assembly and engaging and outwardly lapping portions of the movable frame or sash assembly and also an insulating barrier member carried by the movable frame whereby, in the closed position, all portions of the movable frame are isolated from the exterior.
REFERENCES:
patent: 3478476 (1969-11-01), Kemp
patent: 3861085 (1975-01-01), Jacob
patent: 4084361 (1978-04-01), Aspaas
patent: 4132035 (1979-01-01), Frambach
Frambach Henry R.
Gordon Stanley J.
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