Title:
プレス成形装置及びアウタパネル
Document Type and Number:
Japanese Patent JP6629891
Kind Code:
B2
Abstract:
A press forming apparatus that produces a character line in a design surface of an outer panel by press forming includes an upper die and a lower die. The upper die has a die surface that is configured to form a design surface of an outer panel. The lower die has a die surface corresponding to the die surface of the upper die. The die surface of the lower die has, in a formation area of the character line, a curved convex portion that protrudes beyond an offset line of the die surface of the upper die and curved concave portions continuous with the curved convex portion. Each of the curved concave portions is on a corresponding one of both sides of the convex portion and is recessed beyond the offset line.
Inventors:
Amano Yuta
Shosuke Sakata
Fukasawa
Shosuke Sakata
Fukasawa
Application Number:
JP2018005872A
Publication Date:
January 15, 2020
Filing Date:
January 17, 2018
Export Citation:
Assignee:
Subaru corporation
International Classes:
B21D24/00; B21D22/20; B21D22/26; B21D53/88
Domestic Patent References:
| JP2007268608A | ||||
| JP62151227A | ||||
| JP2001205346A |
Foreign References:
| WO2014128023A1 |
Other References:
西村 良治、河野 雄志、川田 光紀,プレスの外観品質保証プロセスの構築,マツダ技報,日本,マツダ株式会社,2010年 7月,No.28(2010),P23-P27,URL,https://www.mazda.com/ja/innovation/technology/gihou/2010/
Attorney, Agent or Firm:
Yoshitaka Okada
Masahisa Otake
Takashi Okada
Shimo Shigeki
Masahisa Otake
Takashi Okada
Shimo Shigeki