Metallurgical lances
US3976286A · kind A · utility
23Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1974 |
| Grant date | Aug 24, 1976 |
| Priority date | — |
| Expiry date | Aug 19, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12333
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A lance for injecting fluid materials into molten metal comprising a length of metal tube having anchors secured to the outer surface of the tube and projecting from the tube, the anchors being spaced in the longitudinal and circumferential directions, and supplementary anchors suitably secured to the tube between the first anchors, there being applied over a major portion of the length of the tube a refractory coating, which refractory coating is held to the tube by the first anchors and the supplementary anchors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.