Riser section connector with flanges, internal locking ring and external locking collar
US8474540B2 · kind B2 · utility
6Cited by
35References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2011 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Jul 16, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/0853
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The connector comprises a male flange 15 and a female flange 14 allowing to assemble a main tube and auxiliary line tubes 11. A locking collar 17 and a locking ring 40 assemble the male flange and the female flange. Locking collar 17 is mounted mobile in rotation on the outer surface of the male flange while cooperating with the outer surfaces of the male and female flanges. Locking ring 40 is mounted mobile in rotation on the male element of the connector while cooperating with the inner surface of the female connector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.