专利检索 ap:("KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)") AND inv:"Dongyong Shi" 第 1 页

1.

发明授权
Method for manufacturing press-molded article 有权

公开(公告)号：US12011756B2

公开(公告)日：2024-06-18

申请号：US17053423

申请日：2019-05-13

申请人： KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)

发明人： Kazuki Sakamoto , Kenichi Watanabe , Dongyong Shi

IPC分类号： B21D37/08 , B21D5/01 , B21D22/26 , B21D24/10 , B62D25/04

CPC分类号： B21D37/08 , B21D5/01 , B21D22/26 , B21D24/10 , B62D25/04

摘要： A method for manufacturing a press-molded article includes: preparing a patchwork blank in which a thickened portion is formed by welding patchwork to basework; bending only the thickened portion of the patchwork blank; and bending a portion other than the thickened portion in a step different from bending of the thickened portion.