Molten metal conduit
US4717052A · kind A · utility
2Cited by
9References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1986 |
| Grant date | Jan 5, 1988 |
| Priority date | — |
| Expiry date | Jul 11, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L59/153
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A value for controlling the flow of molten metal which includes a tubular conduit through which the metal flows and apparatus for applying a force against the exterior of the conduit to vary the size of the cross-sectional area of the opening through the conduit and thereby control the volume of metal flowing through the conduit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.