Method of railroad rail repair
US6515249B1 · kind B1 · utility
25Cited by
11References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 29, 2000 |
| Grant date | Feb 4, 2003 |
| Priority date | — |
| Expiry date | Sep 29, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.