Panel assemblies and components

Claim 1

A panel assembly comprising a composite panel-like body having a generally rectangular shape with curved corners, the body including two spaced wall structures each comprising at least one panel member of board-like material, the body having a peripheral edge extending therearound, with a groove having a bottom surface in the peripheral edge extending around the body, and a metal framing member seated in the groove and extending around the periphery of the body, said framing member comprising structural framing corner members each comprising first, second and third portions of a U-shaped channel of extrudable metal having opposed side walls and a bottom forming wall and flanges extending laterally in opposite directions from respective side walls, at least one of which side walls has longitudinally extending serrations, the first and second portions being straight and lying to opposite sides of the curved corners with their bottom forming walls at 90° to each other and the third portion being arcuate and joining said first and second portions, the height of the side walls of the first, second and third portions being substantially the same; the first and second portions of adjacent corner members adjoining each other, the wall structures engaging the outer surfaces of the walls and the undersurfaces of the flanges of the framing member.