Threaded pipe connection with compressible seal ring
US4703959A · kind A · utility
30Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1986 |
| Grant date | Nov 3, 1987 |
| Priority date | — |
| Expiry date | Feb 10, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L15/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A threaded pipe connection is disclosed that has threads the flanks, roots, and crests thereof form thread seals when the connection is made up and that has a seal ring of resilient material that is trapped in a cavity between a groove in either the box or the pin and the thread seals to provide a secondary seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.