| 摘要 |
The invention relates to an umbilical comprising at least two elongated elements chosen from a group consisting of steel tubes 1,2 , electrical cables 4, optical fiber cables 3, and combinations thereof arranged side by side within a common outer sheath 5 along the length of the umbilical, where the interstices between the elongated elements 2,3,4 and the common sheath 5 are filled with a fluid filling material 6, which will temper to a higher viscosity after complete filling and will adhere to the outer surface of the elements 2,3,4 and the inner surface of the common sheath. 5 Preferably the filling material material is silicone, and may contain glass or plastics beads for buoyancy. Also claimed is a method of making such an umbilical.
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