Patent ID: 9656314
Date: 2017-05-23
CPC Classifications: B21D,H01M,Y02E

Claim:
1. A press die comprising a plurality of block rows arranged in parallel in a frame, each block row being defined by a plurality of die blocks, wherein the plurality of block rows include a first block row and a second block row that are adjacent to each other, at least one joint portion is defined by the abutment of adjacent side surfaces of two die blocks belonging to the first block row, the at least one joint portion abuts a side surface of a die block belonging to the second block row, the first block row includes a first block pair defined by a die block located at an end of the first block row and a die block located adjacent thereto, the second block row includes a second block pair defined by a die block located at an end of the second block row and a die block located adjacent thereto, a first end joint portion defined between the first block pair faces a second end joint portion defined between the second block pair, and each of the plurality of block rows includes an alignment die block having a width that is less than a width of the other die blocks in the respective block row.