发明名称 |
Method of and apparatus for repairing and sealing junctions between mains and branch pipes |
摘要 |
A faulty junction between a main pipe and an entering branch pipe is repaired and sealed by using a bladder which is carried between two bearing blocks. The bladder is prepared with a resin impregnated mat, which, when the bladder is pulled and turned into a position center to a pipe junction lines and seals the pipe junction upon application of a pressure medium to the bladder. Positioning of the bladder is performed under TV remote-control.
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申请公布号 |
US5609439(A) |
申请公布日期 |
1997.03.11 |
申请号 |
US19950410800 |
申请日期 |
1995.03.27 |
申请人 |
KMG KANAL-MUELLER-GRUPPE INTERNATIONAL G MBH & CO. KG |
发明人 |
SCHREINER, HERBERT;SUERBAUM, HERMANN |
分类号 |
E03F3/06;F16L55/179;(IPC1-7):B63B35/03 |
主分类号 |
E03F3/06 |
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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