Liquid dosing apparatus
US10239671B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2013 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Jul 25, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F13/006
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus and means of repeatedly dispensing controlled doses of liquid comprising a resiliently squeezable container for containing a liquid detergent composition; a cap operably connected to said container, the cap comprising a nozzle for expelling the liquid out of the container; a dosing chamber operably connected to the cap, wherein the dosing chamber comprises a base having a discharge opening therein, sidewalls extending upwardly along the perimeter of said base and at least one inlet opening located proximal the sidewalls; at least one timer aperture located proximal to the discharge opening; a plunger, provided in the dosing chamber and moveable relative to the chamber so as to advance upon squeezing of the container, up to a blocking position; a valve retaining means located below the base; a valve provided in the valve retaining mean wherein the valve is movable from an open position, allowing liquid flow through the discharge opening, and a closed position, where the valve blocks the discharge opening; wherein the liquid is a shear thinning liquid and the shear thinning liquid has a viscosity of greater than 150 mPa·s measured at 10s−1 at 20° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.