Frame construction and profile sections forming same

A frame of frame legs for the formation of rectangular receptacles for the edge portions of panels such as windows, doors and the like each said leg comprising a pair of profiled parts adapted to be assembled to form a generally U-shaped section arranged to encompass an edge portion of a said panel, characterized in that one of said profiled parts includes a longitudinally extending first chamber opening in the direction of said edge portion of said panel, said one of said parts including in addition a second chamber opening in a direction facing away from said edge portion of said panel, a corner angle having elements disposed in said first chambers of adjacent frame legs, a threaded member disposed in said second chamber of said one profiled part of at least one of said legs, fastening means disposed in generally coplanar alignment with said panel in a direction away from said panel and securing said corner angle in said first chamber of said adjacent legs, mounting means disposed adjacent an edge portion of said frame in covering relation of said opening of said second chamber, and second fastening means in generally coplanar alignment with said panel extending through said mounting means and said opening of said second chamber into locking engagement with said threaded member, said second fastening means being directed toward said panel.