Blowing lance tip
US10858714B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 13, 2017 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Aug 18, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21C2005/4626
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A blowing lance tip includes a central stirring gas-supply tube, an inner coolant-inlet tube ending, at one end thereof facing the bath, in a second front wall and having a central opening, an outer coolant-outlet tube, a heat exchange space, and a stirring gas-outlet pipe leading from each opening in the front wall, wherein the second front wall has, at the central opening, an edge which is curved in axial cross-section such that a height (H3) is defined between a leading face of said edge and the third front wall, and such that, in the heat exchange space, a predetermined minimum height (H1) is present on the side facing the central opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.