Refractory shroud for continuous casting
US4568007A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 23, 1984 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Jan 23, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D41/50
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a refractory tube through which a stream of molten metal is passed during continuous casting which includes an inner refractory member of relatively low thermal expansion and thermal conductivity characteristics and an outer refractory member of high erosion resistance. The cooperation of the inner and outer refractory members results in an end product with a prolonged useful casting life and which does not require preheating prior to use. In a preferred embodiment, the inner refractory member is formed of fused silica and the outer refractory member is formed of alumina graphite and/or zirconia graphite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.