Rotary lock block type drilling riser connector
US9222315B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2011 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Feb 14, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L23/024
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rotary lock block type drilling riser connector has a main body connection part and control pipeline connection parts. A driving ring is set between flanges, a plurality of fan-shaped grooves are set on the lower end of the flange of the upper joint, each fan-shaped groove having a lock block therein; each lock block is slidably connected with a T-shaped elongated slot of the upper joint; the driving ring is fixedly connected with the flange upwardly, many segments of the horizontal T-shaped slots are evenly distributed in the inner surface of the driving ring, another screw hole is provided in the outer circumferential surface of the lock block, and the driving ring is slidably connected with the lock block in the circumferential direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.