Method for protecting forming bushings
US4438518A · kind A · utility
6Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1982 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Aug 6, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B37/09
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for forming molten material in a melting furnace is disclosed. Bushings made of refractory or noble metal in the furnace are protected from cracking by applying a positive or anodic D.C. bias.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.