发明名称 |
Intermediate layer for seating RHM tubes in cathode blocks |
摘要 |
A cathode for an electrolytic cell operated at elevated temperature, the cathode comprising a refractory hard metal (RHM) body embedded in a carbonaceous base. The cathode is provided with an intermediate layer of fibrous material between a side wall of a seat in the base and a wall segment of the RHM body. The layer preferably comprises low-density carbon felt, and the layer prevents breakage of the RHM body by providing a cushion against differential thermal expansion and contraction of the base and body, especially during cell start-up.
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申请公布号 |
US4339316(A) |
申请公布日期 |
1982.07.13 |
申请号 |
US19800188985 |
申请日期 |
1980.09.22 |
申请人 |
ALUMINUM COMPANY OF AMERICA |
发明人 |
PETERSON, RICHARD W.;FOSTER, JR., PERRY A. |
分类号 |
C25C3/08;C25C7/02;(IPC1-7):C25C7/00;C25C3/06 |
主分类号 |
C25C3/08 |
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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