Rollers for rolling mills
US4839949A · kind A · utility
12Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1987 |
| Grant date | Jun 20, 1989 |
| Priority date | — |
| Expiry date | May 12, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/597
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A roller for rolling mill comprising an entirely non-metallic sintered body composed principally of at least one material selected from silicon carbide, silicon nitride, sialon, alumina and zirconia and having a relative density which is at least 96% of the theoretical density of the sintered body, the roller having an initial crown in the range of -300 .mu.m to +300 .mu.m, is provided. This roller for rolling mill has a high hardness and high wear resistance and can be used as a work roll.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.