Air-activated sequenced valve split foam pump
US8875952B2 · kind B2 · utility
9Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2012 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Apr 21, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B9/0816
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Foam dispenser systems and pumps for use in foam dispenser systems are disclosed herein. A refill unit for refilling a foam dispenser system comprises a container for holding a supply of foamable liquid and a pump housing connected to the container. The pump housing comprises one or more connections for connecting to one or more external air pumps, wherein the air pumps supply air pressure to move the foamable liquid into a mixing chamber and to mix air with the liquid in the mixing chamber and create a foamy air-liquid mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.