基本信息:
- 专利标题： MANUFACTURING METHOD FOR QUENCHED MEMBER AND QUENCHED MEMBER
- 申请号：EP18766980.9 申请日：2018-03-14
- 公开(公告)号：EP3546081A1 公开(公告)日：2019-10-02
- 发明人： SUZUKI, Toshiya , NAKAZAWA, Yoshiaki
- 申请人： Nippon Steel Corporation
- 申请人地址： 6-1, Marunouchi 2-chome Chiyoda-ku Tokyo 100-8071 JP
- 专利权人： Nippon Steel Corporation
- 当前专利权人： Nippon Steel Corporation
- 当前专利权人地址： 6-1, Marunouchi 2-chome Chiyoda-ku Tokyo 100-8071 JP
- 代理机构： Vossius & Partner Patentanwälte Rechtsanwälte mbB
- 优先权： JP2017049911 20170315
- 国际公布： WO2018168957 20180920
- 主分类号： B21D22/20
- IPC分类号： B21D22/20 ; B21D5/01 ; B21D22/26
摘要：
A method of manufacturing a quenched member according to the present disclosure includes a heating process of heating a pressed intermediate article to an Ac3 transformation point of a steel sheet or higher, the intermediate article having been processed so as to have a rectangular cross-section and so as to include a terminal portion at which two terminal edges of the steel sheet are aligned with each other at a same side of the rectangular cross-section, and a quenching process of quenching the intermediate article heated in the heating process inside a die.
公开/授权文献:
- EP3546081B1 MANUFACTURING METHOD FOR QUENCHED MEMBER AND QUENCHED MEMBER 公开/授权日：2021-11-10
IPC结构图谱:
| B | 作业；运输 |
| --B21 | 基本上无切削的金属机械加工；金属冲压 |
| ----B21D | 金属板或管、棒或型材的基本无切削加工或处理；冲压 |
| ------B21D22/00 | 用冲压、旋压或拉深的无切削成型 |
| --------B21D22/20 | .拉深 |