Bifurcated foam pump assembly
US8313010B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2008 |
| Grant date | Nov 20, 2012 |
| Priority date | — |
| Expiry date | Oct 17, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47K5/16
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A bifurcated foam pump assembly for use in foam dispensers. A liquid dispensing portion of the foam pump assembly is attached to and disposable/replaceable with a liquid cartridge for the dispenser. The air compressor or air pump portion of the foam pump assembly comprises a portion of the dispenser itself and is attached to the dispenser housing. Upon replacement of a cartridge, the two portions mate and are operative as a foam pump generator. The liquid portion of the foam pump is received within a liquid chamber by gravity, and is subsequently driven from that chamber by air from the air compressor, which drives both the air and liquid through a foam generating member, such as a sponge or mesh. This foam generating member is a part of the liquid portion of the pump, and is replaced with the cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.