Fluid product dispenser
US7878374B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2004 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | May 20, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1067
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fluid dispenser comprising: a fluid reservoir (10) serving to contain fluid; and a dispenser head (2) mounted on the reservoir (10) to take fluid from the reservoir, said head (2) defining a dispensing chamber (26) communicating with the reservoir via an inlet valve (25, 215) and communicating with the outside at a dispensing orifice via an outlet valve (237, 222); said dispenser being characterized in that the chamber (26) comprises at least one elastically deformable actuating wall (231) that is depressed in order to generate a pressure inside the chamber that is high enough to close the inlet valve and to open the outlet valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.