PUMP EQUIPPED FOR A CONTAINER, WITH A DEFORMABLE MEMBRANE ELASTICALLY OUTSIDE THE PUMP ROOM

Disclosed is a pump (10) intended to equip a container (R), comprising a pump body (11) and an assembly (20) movable relative to the body, comprising a piston (30) bearing sealingly on the body and defining therewith a pumping chamber (60) variable.La pump volume (10) includes outside the pump chamber an elastically deformable membrane (50) arranged to return the moving assembly into its initial position after dispensing a dose of fluid.