Threaded connection with metal to metal seal capable of expansion
US9222607B2 · kind B2 · utility
2Cited by
21References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2010 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Jul 5, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L15/009
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A retaining device for a threaded connection that is expanded holds the connection together to prevent leakage. In a two step thread the retention device is located between the steps and comprises a nose in a groove that holds aligned surfaces together for a metal to metal connection and allows for relative axial movement at the same time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.