Aptar France Sas

Guido Dallara

Antonio Margheritis

Emanuele Maretto

A fluid dispenser pump comprising: a pump body; at least a first piston that slides in leaktight manner in said pump body on each actuation so as to expel a dose of fluid through a dispenser orifice () that is provided in a dispenser head (); a closure member (), movable between a closed position and an open position, being disposed in said dispenser head () upstream from said dispenser orifice (), said closure member () being urged towards its closed position by a resilient element, such as a spring; said closure member () in the closed position co-operating in leaktight manner with said dispenser head () in at least three distinct sealing zones ().

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Lugano, Switzerland

Guido Dallara