Hearth roll
US5466208A · kind A · utility
19Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1993 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Dec 10, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/765
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process of providing a thermal spray powder feed coating composition composed of stabilized zirconia mixed with zircon and a selected oxide, such as yttria, to form a refractory oxide coating ideally suited for hearth rolls for annealing steel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.