Downstream sealing device
US4577834A · kind A · utility
10Cited by
7References
8Claims
0Family size
Inventor
Key dates
| Filing date | Feb 25, 1985 |
| Grant date | Mar 25, 1986 |
| Priority date | — |
| Expiry date | Feb 25, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K3/207
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
There are disclosed alternative embodiments of a downstream sealing gate valve of the type in which a pair of seats are carried within the body of the valve for sealing between the body and either side of the gate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.