Material submergence system
US7455809B2 · kind B2 · utility
0Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2004 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Feb 11, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B21/064
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A gas injection tube includes a first end adapted to connect to a reactive gas source and a second end. A tube base attaches to the second end of the gas injection tube. The gas injection tube includes a passageway and the tube base includes a channel. The passageway communicates with the channel to provide gas to a molten metal stream traveling through the channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.