Coupling for a linear actuator and a sliding valve unit for a sliding gate valve of a molten metal vessel
US6045015A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1998 |
| Grant date | Apr 4, 2000 |
| Priority date | — |
| Expiry date | Apr 30, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D41/38
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A coupling is used to couple a linear actuator with a slider valve unit in a sliding gate valve for a molten metal vessel. The slider valve unit is slidably mounted in a slider housing for movement in a longitudinal direction, and has a push rod for this purpose. A linear actuator mounting is provided on the slider housing, and the linear actuator is mounted in the linear actuator mounting. The linear actuator has a drive rod movable in a longitudinal direction when the linear actuator is mounted in the linear actuator mounting. The coupling has a structure such that when the linear actuator is mounted in the linear actuator mounting, and the drive rod is moved toward the slider valve unit, the coupling automatically couples the drive rod with the push rod. Furthermore, when the linear actuator is removed from the linear actuator mounting, the coupling automatically uncouples the drive rod from the push rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.