Resistance rail welding device with alignment mechanism
US6031197A · kind A · utility
8Cited by
8References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 5, 1998 |
| Grant date | Feb 29, 2000 |
| Priority date | — |
| Expiry date | Jun 5, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for welding together elongated work pieces such as railroad track, is provided with controls to eliminate pre-existing angles that exist between each work piece prior to joining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.