发明名称 |
Method of enhancing pipes |
摘要 |
<p>A seal for use in replacing an existing fluid-carrying pipe with a replacement pipe comprises a tubular body of a flexible material, the body having a rear portion (52) for connection to the leading end of the replacement pipe and front portion (54) adapted in use to provide a barrier to the flow of fluid along the annular gap between the internal wall of the existing pipe and the external wall of the replacement pipe, the seal also having a membrane (62) serving to prevent the flow of fluid through the bore of the seal, the membrane being puncturable or removable to permit the flow of fluid through the seal. <IMAGE></p> |
申请公布号 |
HK1006994(A1) |
申请公布日期 |
1999.03.26 |
申请号 |
HK19980106174 |
申请日期 |
1998.06.23 |
申请人 |
BG PUBLIC LIMITED COMPANY |
发明人 |
JOHN TAYLOR;MICHAEL HICKS;RICHARD LAMB;ROBERT NEAL BENNETT;ADRIAN SYDNEY PARKES;KEITH NIXON;JOHN PHILIP SMITH;IAN ASHCROFT |
分类号 |
F16L55/16;F16L7/02;F16L55/134;F16L55/165;(IPC1-7):F16L |
主分类号 |
F16L55/16 |
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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