Patent ID: 9550227
Date: 2017-01-24
CPC Classifications: B21D,B21J

Claim:
1. A press die machine for pressing a plate member, the press die machine comprising: first and second press dies, each of the first and second press dies being defined by a plurality of segment rows arranged side by side that each include a plurality of segments that are fixed side by side in an aligned manner to define die faces, wherein joint portions of the first press die are defined between two mutually adjacent segments of the first press die, joint portions of the second press die are defined between two mutually adjacent segments of the second press die, of the joint portions of both press dies, joint portions that extend in a direction in which the plurality of segment rows are arranged are defined as first joint portions, the first joint portions are arranged to be offset from each other between two adjacent segment rows, and when the respective die faces of the first and second press dies face each other, the joint portions of the first press die and the joint portions of the second press die are arranged to be offset from each other.