Plate structure for a liquid metal container closure
US4076153A · kind A · utility
7Cited by
6References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 7, 1975 |
| Grant date | Feb 28, 1978 |
| Priority date | — |
| Expiry date | Oct 7, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D41/24
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The disclosure embraces a structure for plates provided on a sliding closure of an outlet or spout of a container for liquid metal, one side of each plate serving as a sealing surface which cooperates with the other, relatively movable plate of the closure; the plates have a passage running approximately perpendicularly relative to the sealing surface or surfaces with the other sides of the plate facing away from the sealing surfaces having annular grooves or keys for cooperating with complimentary shaped portions of either an outlet casing or a stone casing of the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.