公开(公告)号：US20240009692A1

公开(公告)日：2024-01-11

申请号：US18188351

申请日：2021-08-27

Applicant: PROMENS SA

Inventor： Pascal HENNEMANN ,  Gwénaël DOULIN

IPC: B05B11/00 ,  B05B11/10

CPC classification number: B05B11/007 ,  B05B11/1004 ,  B05B11/1061 ,  B05B11/00442 ,  B05B11/0089

Abstract: The present invention relates to a dispensing device, comprising:



a connecting member to be mounted on the opening of a container,
a piston,

a cylinder body in which the piston is arranged so as to define a metering chamber between the piston and the cylinder body, the piston comprising a dosing inlet and a dispensing opening, the cylinder body being slidable along the piston,
an inlet check valve provided to open the dosing inlet when subjected to negative pressure,
an outlet check valve provided to open the dispensing opening when subjected to positive pressure.






The outlet check valve comprises a membrane with a sealing lip adapted to slide against the inner axial surface of the cylinder body.