Invention Grant
- Patent Title: Press forming die set and method
- Patent Title (中): 压成型模组及方法
-
Application No.: US12025204Application Date: 2008-02-04
-
Publication No.: US07861568B2Publication Date: 2011-01-04
- Inventor: Tsuyoshi Nakamura , Yasuhiko Kitano , Yoshimitsu Ishihara , Shingo Maeda
- Applicant: Tsuyoshi Nakamura , Yasuhiko Kitano , Yoshimitsu Ishihara , Shingo Maeda
- Applicant Address: JP Tokyo
- Assignee: Honda Motor Co., Ltd.
- Current Assignee: Honda Motor Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Rankin, Hill & Clark LLP
- Priority: JP2007-025539 20070205; JP2007-028362 20070207
- Main IPC: B21D22/00
- IPC: B21D22/00
Abstract:
A die set for press-forming a blank of thin metallic sheet. The die set has a punch and a blank holder. The blank holder has a first bead for restraining an edge of the blank with a constant force. The first bead is disposed further to an inside than a second bead for restraining the edge of the blank with a force that varies during pressing of the blank.
Public/Granted literature
- US20080184764A1 PRESS FORMING DIE SET AND METHOD Public/Granted day:2008-08-07
Information query
