Railway bolster integral wear liner
US4040362A · kind A · utility
11Cited by
13References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1976 |
| Grant date | Aug 9, 1977 |
| Priority date | — |
| Expiry date | Sep 29, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/44
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A railway bolster is provided wherein the bolster bowl and king bolt openings have liners of low alloy or carbon steel backed by a weld metal deposit with a hardness of from about 25 to 40 Rockwell C the weld metal forming the wear element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.