DISPENSER WITH PERIPHERAL DELIVERY MODE

摘要

The invention concerns a viscous liquid product dispenser designed to be mounted on a container, characterised in that it comprises a bowl (1) provided, in its lower part with an inlet orifice (10) equipped with a valve (11) and sealed in its upper part with a piston (2) returned in high position by a spring (3) and defining with the bowl inner wall a metering chamber (12); said chamber wall including an annular zone, wholly or partly deformable for releasing by the effect of the pressure generated in the chamber (12) a discharge passage (P) for the product emerging peripherally outside.