US Patent 7975521 Bending tool for a bending press

A bending tool that may be used for bending elongated works and in which the works are not likely to be damaged is provided. An angle formed by a blade parting line L1 or L2 and an outside edge (e.g., 55 degrees) of each die (having an angle of a blade edge of, e.g., 90 degrees) is made larger than an angle formed by the blade parting line L1 or L2 and an inside edge (e.g., 35 degrees). The blade parting line L1 or L2 of one of the dies is located at a predetermined position further toward the blade parting line L2 or L1 of the other of the dies with respect to the center of the space between the blade parting line L2 or L1 and the inner end edge of the bending block.