发明名称 |
Impeller for dispersing gas into molten metal |
摘要 |
An impeller for dispersing gas into molten metal includes a rectangular prism body having upper and lower faces and four side walls. The body has an opening extending through the upper and lower faces and defines a hub around the opening on the upper face. The impeller further includes a plurality of elongate grooves extending radially outwardly from the hub. |
申请公布号 |
US8178036(B2) |
申请公布日期 |
2012.05.15 |
申请号 |
US20070373535 |
申请日期 |
2007.07.13 |
申请人 |
NEFF DAVID;HENDERSON RICHARD S.;LUTES LENNARD D.;GRAYSON JAMES;PYROTEK, INC. |
发明人 |
NEFF DAVID;HENDERSON RICHARD S.;LUTES LENNARD D.;GRAYSON JAMES |
分类号 |
C21C7/00 |
主分类号 |
C21C7/00 |
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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