发明名称 |
TELECOMMUNICATION OPTICAL CABLE FOR GAS PIPELINE APPLICATION HAVING BUILT-IN LEAKAGE DETECTING DEVICE |
摘要 |
It is disclosed a telecommunication fiber optic cable (11) for gas pipeline application and having a built-in leakage detecting device, the cable comprising: an optical core (16) including a number of telecommunication optical fibers (12) , an other jacket (13) covering the optical core, and one or more gas leakage detector optical fibers (15) , wherein said one or more gas leakage detector optical fibers are enclosed within the outer jacket. Preferably, the cable comprises a linearly extending rod reinforcing system (14) comprising strength rods that force the cable to bend in a preferential bending place. Profitably, the leakage detector optical fibers are located at, or close to, a plane that is substantially orthogonal to the preferential bending plane and passing through the cable neutral axis. |
申请公布号 |
WO2005040883(A1) |
申请公布日期 |
2005.05.06 |
申请号 |
WO2003EP50746 |
申请日期 |
2003.10.23 |
申请人 |
PIRELLI & C. S.P.A.;PIZZORNO, MASSIMO;GINOCCHIO, ALESSANDRO;MARITANO, MAURO |
发明人 |
PIZZORNO, MASSIMO;GINOCCHIO, ALESSANDRO;MARITANO, MAURO |
分类号 |
E21B47/10;G01K11/32;G01M3/04;G02B6/44 |
主分类号 |
E21B47/10 |
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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