发明名称 |
Crane for construction of concrete cooling towers - has vertical columns supported on horizontal beam mounted on tower wall below zone of operations |
摘要 |
<p>A small crane is mounted on the wall of a cooling as it is being built. This crane has two vertical columns supporting a horizontal beam forming a track for the carriage which carries a swinging jib. The vertical columns have special feet to enable them to be fixed the wall of the tower below the working zone.</p> |
申请公布号 |
FR2422580(A1) |
申请公布日期 |
1979.11.09 |
申请号 |
FR19780011004 |
申请日期 |
1978.04.10 |
申请人 |
POTAIN |
发明人 |
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分类号 |
B66C23/20;(IPC1-7):66C23/24 |
主分类号 |
B66C23/20 |
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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