Grid system with sealing frame press-down device for clean rooms

摘要

Rectangular pipes (1) are combined in a square or rectangular grid system. Flat yoke plates (2) are fastened to the top of the pipes and project slightly, dependant upon the width of the sealing frames to be accommodated. Setting screws (3) are fitted into the pipes, pressure springs (4) are drawn over the screws, and use the underside of the pipes as an abutment. Tensioning nuts (5) generate a tension, this is transmitted to pressure blocks (6), which press the sealing frames to the yoke plates. On the clean air side, the blocks are covered by cover plates (8). The plates are suspended from the pressure faces of the blocks via clip lugs (9). The insertion openings the yoke plates are closed sealed by insertion caps (10).