Title:
プレス成形方法
Document Type and Number:
Japanese Patent JP7421847
Kind Code:
B2
Abstract:
To prevent a molding failure such as a crack or wrinkle on a molding.SOLUTION: A press molding method includes a preliminary molding step of molding part of a blank 17 before a punch 11 comes into contact with the blank 17.SELECTED DRAWING: Figure 8
Inventors:
Yuya Matsuura
Application Number:
JP2020060713A
Publication Date:
January 25, 2024
Filing Date:
March 30, 2020
Export Citation:
Assignee:
Daihatsu Motor Co., Ltd.
International Classes:
B21D22/26; B21D24/00
Domestic Patent References:
| JP2015066584A | ||||
| JP4059133A | ||||
| JP9001254A |
Foreign References:
| US20170304886 | ||||
| US5600991 |
Attorney, Agent or Firm:
Kunihiko Shiromura
Takeshi Kumano
Junya Yamamoto
Takeshi Kumano
Junya Yamamoto