the invention pertains to an installation for fastening a connecting elem , specifically a u - shaped one , to the end of a conveyor belt with a peg - shaped fastening element . the fastening element is pushed through entry openings in the connecting element and through the conveyor belt , and is deformed at least in the area of its preceding end by a ram that has a deforming contour , and is located in a tool . according to the invention , there follows also a secondary deformation of this area by a pressure bar , which is brought into contact with the tool containing the ram and the deformed end of the fastening element , after the contour of the fastening element had been already deformed .