Riser pipe with rigid auxiliary lines assembled by pins
US8528647B2 · kind B2 · utility
15Cited by
23References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2010 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | May 30, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/0853
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a riser pipe section (1) comprising a main tube (2), at least one auxiliary line element (3) arranged substantially parallel to said tube (2), the ends of the main tube comprising connection means allowing longitudinal stresses to be transmitted and the ends of the auxiliary line element comprising linking means allowing longitudinal stresses to be transmitted, said linking means comprising at least one locking pin (14).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.