| 发明名称 |
Method of railroad rail repair |
| 摘要 |
A method of repairing a damaged railroad rail comprising the steps of: identifying a defect in the rail, removing the portion of the rail having a defect and leaving two truncated rail ends, preparing the truncated rail ends for welding, and welding the two truncated rail ends together.
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| 申请公布号 |
US6515249(B1) |
申请公布日期 |
2003.02.04 |
| 申请号 |
US20000675350 |
申请日期 |
2000.09.29 |
| 申请人 |
HARSCO TECHNOLOGIES CORPORATION;HOLLAND COMPANY LP |
发明人 |
VALLEY GREG A.;ROVNYAK MARK EDWARD |
| 分类号 |
B23K20/12;E01B29/44;(IPC1-7):B23K11/04 |
主分类号 |
B23K20/12 |
| 代理机构 |
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代理人 |
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