Method for straightening a rail and straightened rail
US4597283A · kind A · utility
1Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1982 |
| Grant date | Jul 1, 1986 |
| Priority date | — |
| Expiry date | Jun 25, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D3/12
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The steel rail is submitted to a tensile stress exceeding the conventional 0.2% offset yield strength of the steel, up to a stress value corresponding to a total plastic deformation of the whole rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.