发明名称 |
FLEXIBLE ROHRLEITUNG, INSBESONDERE FUER DEN TRANSPORT VON KOHLENWASSERSTOFFEN. |
摘要 |
The invention relates to a flexible pipeline having an inner tube made of a flexible material providing leaktightness, a protective outer coating made of a flexible material, at least one annular section comprising reinforcements between the inner tube and the protective outer coating, and, usually, an inner metallic carcass. The pipeline comprises a passage means (6, 7, 7a; 9) providing communication between said annular section and the external environment, said means being provided with a quick-opening, quick- closing valve (8) constructed so as to open and close under predetermined differential pressures inside said annular section. <IMAGE> |
申请公布号 |
DE68900851(D1) |
申请公布日期 |
1992.04.02 |
申请号 |
DE1989600851 |
申请日期 |
1989.04.28 |
申请人 |
COFLEXIP, PARIS, FR |
发明人 |
LENOUVEAU, JOEL, F-76480 LE TRAIT, FR;RIGAUD, JEAN, F-78420 CHAMBOURCY, FR |
分类号 |
F16L11/04;F16L11/12;F16L55/07;(IPC1-7):F16L11/12;G01M3/28 |
主分类号 |
F16L11/04 |
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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