发明名称 |
Underground pipe joint sealing system uses mole to insert filler under pressure |
摘要 |
An underground pipe joint sealing system has a filler supply pipe (11) leading to a cleaning mole (15) pushed to the joint position and has a piston activator that can be pressurized to force filler into the joint gap (3) or pipe crack.
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申请公布号 |
DE10144814(A1) |
申请公布日期 |
2003.03.27 |
申请号 |
DE20011044814 |
申请日期 |
2001.09.12 |
申请人 |
MENKE, PETER |
发明人 |
MENKE, PETER |
分类号 |
F16L55/1645;(IPC1-7):F16L55/164;F16L55/18 |
主分类号 |
F16L55/1645 |
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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