Patent ID: 8714408
Filing Date: 2014-05-06
Classification: A61F,B05B,B05C,B65D

Abstract:
1. A device for packaging and dispensing a generally liquid or viscous product, intended to be kept in clean or sterile conditions comprising a container for containing the product to be packaged and dispensed in the form of clean or sterile measured doses or drops by means of a dispensing accessory including a tip, wherein said container and said dispensing accessory constitute an assembly, wherein said assembly comprises; a product dosing chamber, supplied with product from the container by a first valve, and providing passage to outside the dispensing accessory by means of a second valve in order to dispense a measured dose or drop of product, when said accessory is actuated, a flexible and deformable supplemental chamber, actuated simultaneously with said dosing chamber and either suctioning a residual drop present at the end of said accessory after the dispensing of a measured dose or drop, or blowing said residual drop, or blowing said measured dose or drop without permitting the formation of a residual drop, said flexible and deformable supplemental chamber comprising a channel open at its end to the outside, near said second valve of the dispensing accessory, said flexible and deformable supplemental chamber and said product dosing chamber being separated by fluid tight means preventing any passage between them, wherein said supplemental chamber is situated inside the dispensing accessory, wherein the wall of the supplemental chamber is thinner than the wall of the dosing chamber such that air contained in the supplemental chamber is expelled before the measured drop is expelled from the dosing chamber.