Invention Grant
- Patent Title: Method of press hardening a steel sheet blank
- Patent Title (中): 钢板坯料加压硬化的方法
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Application No.: US13261432Application Date: 2011-02-17
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Publication No.: US08968496B2Publication Date: 2015-03-03
- Inventor: Jan Larsson , Paul Akerstrom , Daniel Berglund
- Applicant: Jan Larsson , Paul Akerstrom , Daniel Berglund
- Applicant Address: SE Lulea
- Assignee: Gestamp Hardtech AB
- Current Assignee: Gestamp Hardtech AB
- Current Assignee Address: SE Lulea
- Agent Mark P. Stone
- Priority: SE1000236 20100316
- International Application: PCT/SE2011/000027 WO 20110217
- International Announcement: WO2011/115539 WO 20110922
- Main IPC: C21D8/02
- IPC: C21D8/02 ; C21D1/673 ; B21D22/02 ; C21D1/18
Abstract:
In a press-hardening plant, a contact-cooling press (12) is provided between the furnace (11) and the press-hardening press (13). Preselected parts of the blank (18) are contact-cooled such that corresponding parts of the finished product are softer and display a lower yield point.
Public/Granted literature
- US20130048160A1 PRESS HARDENING PLANT AND A METHOD OF PRESS HARDENING A STEEL SHEET BLANK Public/Granted day:2013-02-28
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