Sleeved seal for a valve
US5454547A · kind A · utility
14Cited by
15References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 14, 1993 |
| Grant date | Oct 3, 1995 |
| Priority date | — |
| Expiry date | Jun 14, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K41/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention provides a sleeved seal, as well as the method of installing and machining said sleeved seal. The seal comprises a unitary configuration of a backseat and a sleeve for a stuffing box area, comprising a valve stem bore in communication with a stuffing box area internal to the sleeve seal and a machined backseat and sleeve along the outer diameter of the sleeved seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.