发明名称 |
SEAL ASSEMBLY |
摘要 |
<p>A seal assembly for sealing an annular space between an inner and an outer pipe in a double-walled subsea pipeline which seal assembly comprises an annular member (1) and moveable blocking means (2, 3) and: (a) under normal operating conditions is in a non-sealing position which allows the passage of a gas through said seal assembly; and (b) is actuatable from a non-sealing position to a sealing position in response to the entry of liquid into said annular space.</p> |
申请公布号 |
AU2003260326(A1) |
申请公布日期 |
2004.02.23 |
申请号 |
AU20030260326 |
申请日期 |
2003.07.24 |
申请人 |
COFLEXIP SA |
发明人 |
MICHAEL, ANTOINE, JOSEPH, CAROLINE BELL;SYLVAIN DENNIEL;DAVID BROCKLEBANK |
分类号 |
F16L7/02;(IPC1-7):F16L7/02 |
主分类号 |
F16L7/02 |
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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