| 发明名称 |
Composite I-beam having improved properties |
| 摘要 |
A composite I-beam is presented. The inventive I-beam includes a first flange and a second flange, with a web extending between the first and second flanges. At least one of the flanges of the inventive I-beam has a reinforcing layer of a supporting material thereon or therein.
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| 申请公布号 |
US6460310(B1) |
申请公布日期 |
2002.10.08 |
| 申请号 |
US20000670088 |
申请日期 |
2000.09.26 |
| 申请人 |
GRAFTECH INC. |
发明人 |
FORD BRIAN MCNEIL;KRASSOWSKI DANIEL WITOLD |
| 分类号 |
E04C3/14;E04C3/18;E04C3/29;(IPC1-7):E04C3/30 |
主分类号 |
E04C3/14 |
| 代理机构 |
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