Invention Grant
- Patent Title: Hot-stamping formed article, vehicle member, and manufacturing method of hot-stamping formed article
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Application No.: US16316163Application Date: 2017-07-13
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Publication No.: US11623261B2Publication Date: 2023-04-11
- Inventor: Kenichiro Otsuka
- Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
- Current Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JPJP2016-138962 20160713,JPJP2017-077432 20170410
- International Application: PCT/JP2017/025545 WO 20170713
- International Announcement: WO2018/012588 WO 20180118
- Main IPC: B21D22/02
- IPC: B21D22/02 ; B21D53/88 ; B62D25/02 ; B62D25/04 ; B62D25/06

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°.
Public/Granted literature
- US20200376534A1 HOT-STAMPING FORMED ARTICLE, VEHICLE MEMBER, AND MANUFACTURING METHOD OF HOT-STAMPING FORMED ARTICLE Public/Granted day:2020-12-03
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