Blowout preventer inner ram seal assembly
US4398729A · kind A · utility
22Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1982 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Dec 20, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/062
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A new and improved inner seal assembly adapted to be mounted with the ram of a blowout preventer which includes a central sealing member and a seal insert, with the central sealing member being formed having at least one securing member receptacle capable of receiving a securing member formed with the seal insert, with the seal insert being removably mounted with the central sealing member by yieldable cooperation between the seal insert and the central sealing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.