Head for dispensing a fluid product
US11278925B2 · kind B2 · utility
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1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2018 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | Aug 14, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/531
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fluid dispenser head for mounting on a dispenser member, such as a pump, and including a bearing surface for actuating the dispenser member, and a spray wall that is perforated with a network of holes through which the fluid under pressure passes so as to be sprayed in small droplets, the dispenser head being characterized in that it further includes a suction chamber of volume that is variable, such that the volume of the suction chamber decreases when pressure is exerted on the bearing surface and increases when the pressure on the bearing surface is relaxed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.