DISPENSING ASSEMBLY FOR A SPRAYER, SPRAYER PROVIDED WITH SUCH A DISPENSING ASSEMBLY AND A SEALING ELEMENT THEREFOR

摘要

Dispensing assembly for a sprayer, intended for dispensing a liquid, at least comprising an outflow channel which opens out into a dispensing aperture, a dispensing pump with a piston (4) which is movable in a piston chamber (1), and a control part interacting with the pump, the wall of the piston chamber comprising an aeration aperture (3) interacting with a non-return valve (15) for aerating a container from which the liquid is being extracted, wherein the non-return valve (15) is situated in the aeration-aperture (3).