Patent ID: 9597722
Date: 2017-03-21
CPC Classifications: B21D,B25B,C21D,Y10T

Claim:
1. A method for manufacturing a pressing tool, comprising: i) shaping a blank, which is able to be hardened, at least in part, to a final size of a pressing jaw, the pressing haw having a die and at least one end face configured to form a sealing joint; and ii) applying a laser beam to at least one selected region of a surface of the pressing jaw so as to form at least one laser hardened surface layer, the at least one selected region being positioned in a transition region from the die to the at least one end face, wherein the at least one selected region is additionally positioned at a distance from at least one edge in the transition from the die to the end face such that the at least one edge itself remains unhardened or at least largely unhardened.