Static structures (e.g. – buildings) – Window or window sash – sill – mullion – or glazing – Panel or panel edging – directly clamped or adhered to wall
Patent
1975-03-06
1976-05-25
Bell, J. Karl
Static structures (e.g., buildings)
Window or window sash, sill, mullion, or glazing
Panel or panel edging, directly clamped or adhered to wall
49504, E06B 100, E06B 300
Patent
active
039583805
ABSTRACT:
A sub-frame for supporting a window in a cavity wall, the sub-frame having a lintel, a sill and jambs all rigidly interconnected with the jambs inset from the ends of the lintel and sill, each of the lintel, sill and jambs having a U-section part in the form of a rectangular channel, the sides of the channels providing inner and outer abutment surfaces around the aperture in the sub-frame which receives the window. The lintel has an inner part which supports, over the sub-frame, an inner skin of bricks of the cavity wall, an outer part which supports an outer skin of bricks of the wall and an inclined part which extends across the cavity and which joins the inner and outer parts. In use, a window is received in the aperture and has a flange which overlaps and is sealed to the outer abutment surfaces of the sub-frame.
REFERENCES:
patent: 1840221 (1932-01-01), Bridges
patent: 2660272 (1953-11-01), Walterman et al.
patent: 2687194 (1954-08-01), Kelly
patent: 3503168 (1970-03-01), Eggert
patent: 3835586 (1974-09-01), Gates et al.
Bell J. Karl
BKL Alloys Limited
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