| 发明名称 |
Metal melting furnace with alternate heating systems |
| 摘要 |
The upper structure of an aluminum melting furnace is constructed with supporting structure for a fossil fuel burner and supporting structure for electrically operated heating elements. The furnace may thus be operated with alternate heating systems, one system using fossil fuel and the other electricity.
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| 申请公布号 |
US4027862(A) |
申请公布日期 |
1977.06.07 |
| 申请号 |
US19750642243 |
申请日期 |
1975.12.19 |
| 申请人 |
FRANK W. SCHAEFER INC. |
发明人 |
SCHAEFER, CARL W. D.;SCHAEFER, RICHARD L.;KENNEDY, GORDON F. |
| 分类号 |
F27B3/08;F27B3/20;(IPC1-7):C21B11/00 |
主分类号 |
F27B3/08 |
| 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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