PROCESS AND DEVICE FOR THE LINING OF ELONGATED OPENINGS WITH CIRCULAR AND NON-CIRCULAR CROSS-SECTIONS, MORE ESPECIALLY FOR CANAL AND TUNNEL CONSTRUCTION

摘要

In a process and a winding device for lining elongated spaces such as tunnels or ducts of circular and non-circular cross-sections, especially for canal and tunnel construction band is employed. Tubes with various diameters and different cross-sections, but mainly with circular and egg-shaped cross-sections, may be created from the band by the winding device.