发明名称 |
IMPROVED CONSUMABLE INJECTION LANCE |
摘要 |
A consumable lance (10) for injecting oxygen and other gases such as argon below the surface of a molten metal bath the lance comprising an upper manifold portion (12), a lower nozzle end portion (14), and a plurality of gas conveying conduits (16) attached to a structural support assembly (15) and encased within a protective refractory covering (17). |
申请公布号 |
WO9007011(A1) |
申请公布日期 |
1990.06.28 |
申请号 |
WO1989US02786 |
申请日期 |
1989.06.20 |
申请人 |
BETHLEHEM STEEL CORPORATION |
发明人 |
GRIFFING, NEAR, R.;HAND, EVAN, L. |
分类号 |
C21C5/46 |
主分类号 |
C21C5/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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