Valve packing removal device
US7472716B2 · kind B2 · utility
3Cited by
23References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 6, 2007 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Jun 23, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/6154
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve having a valve packing removal device attached thereto is disclosed. The valve may include a valve plug reciprocally disposed within the valve housing and connected to a sliding stem. The packing may be provided about the valve stem to ensure or minimize leakage of regulated fluid from the valve. A sleeve may have a diameter less than a bore in which the packing is disposed and may be connected to the valve stem such that when the valve stem is sufficiently pulled from the valve, the sleeve engages the packing and pulls the packing from the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.