发明授权
- 专利标题: Aluminum extruded door beam material
- 专利标题(中): 铝挤压门梁材料
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申请号: US09745803申请日: 2000-12-26
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公开(公告)号: US06338817B2公开(公告)日: 2002-01-15
- 发明人: Hiroyuki Yamashita , Masakazu Hirano
- 申请人: Hiroyuki Yamashita , Masakazu Hirano
- 优先权: JP9-164995 19970607; JP9-193225 19970702
- 主分类号: C22C2110
- IPC分类号: C22C2110
摘要:
An aluminum extruded door beam includes an outer flange, an inner flange, and at least one web for connecting the outer flange and the inner flange. The outer corners at the extended ends of the outer flange have a radius R of 2.5 mm or less. The outward corners at the connections between the web and the inner flange and between the web and the outer flange have a radius R of 2 mm to 4 mm. The radius of the outward corners at the connections between the web and the inner flange and between the web and the outer flange is 1.5 to 2 times the width of the web. The length of the extended ends of the outer flange is 1 to 2 times the radius R of the outward corner at the connections between the web and the outer and inner flanges. The aluminum alloy extruded door beam material contains 0.8 to 1.5% by weight (hereinafter the same) of Mg and 4 to 7% of Zn, and the recrystallization surface layer has a thickness of 50 &mgr;m or less.
公开/授权文献
- US20010024734A1 Aluminum extruded door beam material 公开/授权日:2001-09-27
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