Dispenser equipped with a liquid pump and a pressurized gas/liquid nozzle
US5397059A · kind A · utility
11Cited by
8References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 12, 1993 |
| Grant date | Mar 14, 1995 |
| Priority date | — |
| Expiry date | Mar 12, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/0041
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A liquid dispenser, equipped with a dispensing pump, bearing a dispensing nozzle including a central supply chamber arranged around an axis and a central outlet channel communicating, on the one hand, with the central chamber and, on the other hand, with the outside, and a receptacle including the liquid to be dispensed and pressurized gas. The dispensing nozzle also includes a peripheral supply chamber and a peripheral outlet channel, the peripheral supply chamber communicating with the pressurized gas through a valve which is closed when a push-button is at rest and open when the push-button is actuated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.