发明名称 |
Inspecting pipeline interior |
摘要 |
A flexible double U-joint assembly that includes structure for locking the assembly in a single U-joint mode to permit easy insertion into a pipeline with an associated inspection device. When in the pipeline, the assembly may be converted to a double U-joint mode by applying tension to the device. |
申请公布号 |
GB2269434(A) |
申请公布日期 |
1994.02.09 |
申请号 |
GB19930007343 |
申请日期 |
1993.04.07 |
申请人 |
* TUBOSCOPE VETCO INTERNATIONAL INC. |
发明人 |
LARRY E * MCDONALD |
分类号 |
F16D3/32;(IPC1-7):F16L55/26 |
主分类号 |
F16D3/32 |
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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