发明名称 |
Apparatus for controlling gas flows in vacuum furnaces |
摘要 |
Two concentric and relatively displaceable cylinders mounted on the center axis of a vacuum furnace between its load chamber and its blower serve to control the gas flows in said furnace, where said gas flows are used to heat and cool the load portions.
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申请公布号 |
US5035611(A) |
申请公布日期 |
1991.07.30 |
申请号 |
US19900501103 |
申请日期 |
1990.03.29 |
申请人 |
DEGUSSA AKTIENGESELLSCHAFT |
发明人 |
NEUBECKER, KARLHEINZ;ROHDE, CORDT;WELZIG, GERHARD |
分类号 |
F27B5/05;C21D1/76;C21D1/767;C21D1/773;F27B5/06;F27B5/14;F27B5/16;F27D7/04 |
主分类号 |
F27B5/05 |
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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