Metering device for fluid products
US6672485B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 30, 2001 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Nov 30, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D5/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A metering device for fluid products, having a pump body equipped with suction tube and applied by means of a cap to a bottle or the like containing a fluid product to be dispensed, an elastically deformable pushbutton, applied superiorly to the pump body and defining therewith a metering chamber provided with a n intake valve and an exhaust valve, a dispenser mounted on the cap and provided with a spout comprising a conduit for the emission of the content of the bottle communicating with the intake valve, at least a compensation channel, which replaces the extracted fluid with air coming from the exterior, provided, in said dispenser, pushbutton and pump body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.