发明名称 |
Chisel for a crust breaking facility |
摘要 |
Device and method for breaking open the solidified crust of electrolyte on an electrolytic cell, in particular a cell for producing aluminum. At least one projection is provided on the lower part of the shaft of a chisel used on a crust breaker. After breaking through the crust, the chisel is lowered further at least until the lowest projection or projections reaches the lower half of the crust.
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申请公布号 |
US4317595(A) |
申请公布日期 |
1982.03.02 |
申请号 |
US19800184343 |
申请日期 |
1980.09.05 |
申请人 |
SWISS ALUMINIUM LTD. |
发明人 |
GUT, EDWIN;ARNOLD, ERWIN;FRIEDLI, HANS |
分类号 |
B25D3/00;B25D17/02;C25C3/14;C25D7/00;E21B4/06;(IPC1-7):C25C3/14 |
主分类号 |
B25D3/00 |
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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