High-pressure fire-resistant metal seal
US4471965A · kind A · utility
29Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1982 |
| Grant date | Sep 18, 1984 |
| Priority date | — |
| Expiry date | May 5, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/01
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A multi-purpose metal-to-metal seal system providing fluid-tight integrity at the area of contact between the seal element and the surface against which it bears, throughout wide variations in pressure and temperature, and especially during and following exposure to a fire atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.