| 发明名称 |
REFRACTORY METAL BOAT FOR HEAT TREATING COILS |
| 摘要 |
A boat for heat treating refractory wire coils comprises a molybdenum enclosure having a corrugated molybdenum sheet attached therein to form an integral compartmentalized boat. The corrugated sheet is locked to the boat in such a manner as to permit thermal expansion thereof independently of the boat.
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| 申请公布号 |
US3638930(A) |
申请公布日期 |
1972.02.01 |
| 申请号 |
USD3638930 |
申请日期 |
1970.04.24 |
| 申请人 |
SYLVANIA ELECTRIC PRODUCTS INC. |
发明人 |
HALVER ALLEN HART JR. |
| 分类号 |
C21D9/00;F27D3/12;F27D5/00;H01K3/02;(IPC1-7):F27B21/04 |
主分类号 |
C21D9/00 |
| 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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