High-pressure pipe element having an assembly of hooped tubes and method of manufacture
US9163757B2 · kind B2 · utility
1Cited by
21References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2007 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Jun 16, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L25/0018
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention relates to a high-pressure pipe element having at least two metal tubes 1, 3 reinforced by hoops 2 and 4, the ends of the tubes being bare. The tubes are assembled end to end by a weld 5 of the bared ends. A sleeve 6 covers the weld 5 as some of the hooping 2 and 4 of each tube, forming an annular space between the bare ends of the tubes and the sleeve, said space being filled with a setting material 9. The invention also relates to manufacturing the high-pressure pipe element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.