发明名称 |
PIPE-JOINING METHOD AND APPARATUS FOR PRODUCING UNDERWATER PIPELINES, AND UNDERWATER-PIPELINE-LAYING VESSEL COMPRISING SUCH AN APPARATUS |
摘要 |
A method of joining pipes (3) to produce underwater pipelines (2), wherein the facing free ends (15) of two adjacent pipes (3), aligned along an axis (A), are welded to define a cutback (18); a protective sheet (22) of plastic material is extruded close to the cutback (18); and the protective sheet (22) is wound about the cutback (18). |
申请公布号 |
WO2008071773(A2) |
申请公布日期 |
2008.06.19 |
申请号 |
WO2007EP63903 |
申请日期 |
2007.12.13 |
申请人 |
SAIPEM S.P.A.;CITTADINI BELLINI, SERAFINO |
发明人 |
CITTADINI BELLINI, SERAFINO |
分类号 |
F16L13/02;F16L58/18 |
主分类号 |
F16L13/02 |
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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