发明名称 |
ALUMINUM EXTRUDED DOOR BEAM MATERIAL |
摘要 |
An aluminum extruded door beam includes an outer flange, an inner flange, an d 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 An, and the recrystallization surface layer has a thickness of 50 .mu.m or less. |
申请公布号 |
CA2239767(C) |
申请公布日期 |
2003.05.06 |
申请号 |
CA19982239767 |
申请日期 |
1998.06.05 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
YAMASHITA, HIROYUKI;HIRANO, MASAKAZU |
分类号 |
B60J5/04;C22C21/18;(IPC1-7):E06B3/14 |
主分类号 |
B60J5/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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