Static structures (e.g. – buildings) – Window or window sash – sill – mullion – or glazing – Decorative grill attached to sash
Patent
1980-01-24
1982-04-27
Murtagh, John E.
Static structures (e.g., buildings)
Window or window sash, sill, mullion, or glazing
Decorative grill attached to sash
52285, 52393, 52471, 52582, E04C 238, E04D 136
Patent
active
043263658
ABSTRACT:
A joint system for structural panels in which the panels have an edge construction providing a U-shaped profile having a side leg spanning between the opposite surfaces of the panel, a base coplanar with one of the surfaces and a clamp leg having an inwardly projecting portion. The panels are interconnected by cover strips of U-shaped cross section having a body adapted to overlie the clamp legs of the adjoining panels. At the opposite side edges of the body, arms extend inwardly and mount locking strips which extend toward the center of the body and are adapted to engage with the inwardly projecting portions of the profile to permit the panels to be connected in endwise alignment, at right angles, or in back-to-back relation. The patent specification discloses several different configurations of the U-shaped construction and several different configurations for the cover strips.
REFERENCES:
patent: 3381438 (1968-05-01), Bohnsack
patent: 3548557 (1970-12-01), Downing
patent: 3594028 (1971-07-01), Scott
patent: 3854261 (1974-12-01), Frei
AB Svenska Flaktfabriken
Murtagh John E.
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