Liquid dispensing device equipped with an air duct
US9345616B2 · kind B2 · utility
4Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2012 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Dec 18, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A liquid dispenser device including an air flow channel for passing air from the outside towards the inside of a liquid reservoir; a closure member for closing the air flow channel, the closure member being referred to as an “air diffuser member” and being made out of a non-porous polymer material that is permeable to air; and an isolator casing for isolating the diffuser member, the isolator casing being configured in such a manner that the diffuser member is not in contact with the liquid from the reservoir, the casing including an air flow element for passing air towards the inside of the reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.