Valve operating means for a molten metal container
US4042207A · kind A · utility
16Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 1976 |
| Grant date | Aug 16, 1977 |
| Priority date | — |
| Expiry date | Jan 26, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D41/38
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A gate-type sliding valve for the outlet of a casting ladle is provided with support arms on which can be pivotably mounted operating means in the form of a hydraulically actuated piston and cylinder and maintained in their operating position by a torque force created by an unbalanced disposition of the weight of the cylinder and piston relative to their pivot mount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.