Title:
ホットスタンプ成形品の製造方法
Document Type and Number:
Japanese Patent JP6659733
Kind Code:
B2
Abstract:
A hot-stamping formed article is formed of a single steel sheet, and includes: a top sheet portion; a pair of standing wall portions; and a protrusion portion which connects the top sheet portion to the standing wall portion and protrudes outward from the top sheet portion, in which the protrusion portion includes an inner wall portion which stands upright from the top sheet portion, and an outer wall portion which is folded outward from an end edge of the inner wall portion, and an angle between the top sheet portion and the protrusion portion is 80° to 90°.
Inventors:
Kenichiro Otsuka
Application Number:
JP2017562792A
Publication Date:
March 04, 2020
Filing Date:
July 13, 2017
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B21D22/26; B21D22/20; B21D24/00; B21D37/08; B21D53/88; B60R19/04; B62D25/04; B62D25/20
Domestic Patent References:
| JP61157427A | ||||
| JP2013185246A | ||||
| JP5960019U | ||||
| JP2016124029A | ||||
| JP2005152969A | ||||
| JP2012121377A |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi