Slide gate nozzle or shut-off control valve for metallurgical vessel and refractory shut-off parts thereof
US5154875A · kind A · utility
7Cited by
5References
51Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 8, 1990 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Nov 8, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D41/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A slide gate nozzle or shut-off control valve to be mounted in a wall or lining of a vessel containing molten metal includes shut-off parts each of which are provided with passages or openings. The parts project into the vessel interior and each part has at least one approximately planar sliding surface, with such surfaces abutting and being displaceable relative to one another in order to open or close the passages or openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.