Method and system for welding railroad rails
US5877468A · kind A · utility
20Cited by
10References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1997 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | Feb 21, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of gas shielded arc welding steel railroad rails spaced from each other to define a transverse gap, which method comprising the steps of providing an elongated steel barrier plate wedged into said gap at the bottom of the spaced rails and filling gap above said steel barrier plate with a molten steel from an advancing filler metal electrode by a gas shielded electric arc welding process initiated by an arc between the electrode and the barrier plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.