Method for treating a graphite or carbon body to form a protective coating
US5143749A · kind A · utility
3Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1991 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | Jul 1, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B7/085
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A process for treating an electrode to form a protective coating comprising applying a precursor of an impregnate material to the surface, controlling the depth of penetration, induction heating the surface under controlled conditions of power, frequency and relative velocity to bring the surface to the treat temperature and quench cooling the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.