Self-closing liquid/gas control valve
US5630441A · kind A · utility
8Cited by
1References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 13, 1996 |
| Grant date | May 20, 1997 |
| Priority date | — |
| Expiry date | Mar 13, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/88062
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A self-closing control valve for stopping the penetration of propellant gas into a liquid dispensing system, upon the exhaustion of the liquid from its supply vessel. The valve is easily assembled into standard beer barrels or syrup vessels of CO.sub.2 gas propelled beverages dispensing installations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.