Double-shell pipeline exhibiting improved buckling strength
US6568431B2 · kind B2 · utility
2Cited by
8References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 2001 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | May 10, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L59/14
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pipeline for moving effluents at seabed level, including an inner shell and at least one outer shell having an outer surface separated from the inner shell by an annular space for receiving an insulating layer, wherein the outer shell includes a set of mutually spaced flutings arrayed along at least a portion of the outer surface and each fluting has a bottom resting on a spacer element located around the inner shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.