US Patent 7290432 Equipment for cold-drawing a metal wire

Equipment for cold-drawing a metal wire. The equipment includes a succession of a sleeve with a cylindrical hole and a threading die with a conical hole. The sleeve is inserted into a support and terminates with an extension inserted into the conical hole of the threading die. The support has a first annular projection and the threading die has a second annular projection coupled to the first projection so as to keep the sleeve and the threading die in position.