Apparatus for closing the discharge aperture of a metallurgical vessel
US4524958A · kind A · utility
0Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1983 |
| Grant date | Jun 25, 1985 |
| Priority date | — |
| Expiry date | Jun 29, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D1/005
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Apparatus for closing the discharge aperture of a metallurgical vessel is presented. This apparatus includes a closure element attached to a pivoted lever in order to prevent undesirable discharge of slag at the beginning and end of the casting process and during refining. The lever pivotally opens and closes the aperture by means of a piston rod and pressure cylinder. The closure element, preferably made from wood, is temporarily attached to the lever by a friction fit and is designed to be used only once.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.