Window frame for any walls - has corner connectors joining frame and side frame by projections

摘要

Window frame for walls of any size or thickness uses a premade window frame. A side frame consisting of an extruded, plastic hollow profile is connected to a frame, and a roller blind box, if required, by corner connectors which fit on to the ends of the hollow profile. The horizontal cross section of the corner connectors is adapted to the outer contour of the side frame and the corner connectors have U-shaped projections which are inserted in the hollow chamber or the outer contour of the side frame. Preferably the corner projectors are made of extruded plastics material.