Threaded joint and method of sealing a threaded joint
US8523503B2 · kind B2 · utility
0Cited by
28References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2010 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | Oct 15, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B33/004
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A threaded joint includes a flange, a nut and a flexible seal. The flange, the nut and the flexible seal have threads respective inner surfaces, the threads having shapes complementary to threads on an outer surface of a stem. The flange is configured to allow the stem to move by rotation through the flange. The nut and the flexible seal are configured to move by rotation relative to the stem. The flange has a counter bore and the nut has a groove. The flexible seal has a first portion configured to fill the counter bore in the flange, and a second portion configured to fill the groove of the nut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.