Ram type blowout preventer
US5255890A · kind A · utility
21Cited by
4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 11, 1993 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Feb 11, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/062
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
There is disclosed a ram type blowout preventer wherein the outer ends of guideways radiating from the bore of the body to receive the rams are closed by bonnets bolted to the body and sealed with respect to the body by a seal assembly received in a recess in the inner face of the bonnet for sealing between the inner face of the bonnet and the outer face of the body about the outer end of the guideway to contain internal pressure in the preventer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.