Pressure activated seal ring
US4497494A · kind A · utility
13Cited by
6References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1984 |
| Grant date | Feb 5, 1985 |
| Priority date | — |
| Expiry date | Apr 9, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/48
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pressure activated seal ring has an inner cylindrical surface with a plurality of undulations formed thereon and a substantially smooth cylindrical outer surface. The undulated areas permit pressure on the inner surface so that the outer cylindrical surface will be forced into sealing contact with an adjacent surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.