Variable ram packer for blowout preventer
US10087698B2 · kind B2 · utility
0Cited by
23References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2015 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Jan 7, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/26
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A variable ram packer includes a body including two contact regions. The first contact region includes a region of the body of the packer that includes a first material and a second material, layered on top of one another. The first material has an elastic modulus less than that of the second material. The second contact region includes the second material and a third material, layered on top of one another. The third material has an elastic modulus greater than that of the second material, but less than that of the first material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.