Patent ID: 8870033

Claim:
A dispenser device for dispensing a liquid, comprising: a container provided with a neck, destined to contain the liquid to be dispensed, wherein the neck extends along a container axis; and a dispenser head attached to the neck of the container, comprising: a) a frame comprising a support plate having a functional surface, the frame further comprising: i) a pressure chamber in which a piston slides sealingly along a pressure axis, and a dispenser duct, in fluidic communication with the pressure chamber, to dispense the liquid to the outside; ii) a secondary liquid aspiration duct extending from the functional surface and which is configured to be connected to the pressure chamber; and iii) a secondary air aspiration duct which is configured to be connected with the outside environment; b) manual actuation devices operatively connected to the piston to move it in the pressure chamber; c) an auxiliary body having a main surface and attached to the frame comprising: i) a primary liquid aspiration duct having an outlet disposed at the main surface and connected to a compartment inside the container, at least partially off-axis in relation to the secondary liquid aspiration duct; and ii) a primary air aspiration duct connected to the compartment inside the container; wherein the functional surface and the main surface are axially spaced and form a joining compartment communicating upstream with the primary liquid aspiration duct and communicating downstream with the secondary liquid aspiration duct to form the fluidic connection between these; and wherein the secondary air aspiration duct of the frame and the primary air aspiration duct of the auxiliary body overlap axially to form a seal to the liquid in transit in the joining compartment.