Foam dispensing system having multiple valves for a dispenser, and associated foam dispenser
AssigneeSilgan Dispensing Systems Le Treport S.A.S.
InventorEric Rossignol
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AssigneeSilgan Dispensing Systems Le Treport S.A.S.
InventorEric Rossignol
Estimating the term…
The invention proposes a foam dispensing system for a dispenser comprising a reservoir storing cosmetic product, said system comprising a product pump and an air pump, said product pump comprising a variable volume product metering chamber (13) defined at least partly by a deformable element (2), said system comprising at least five valves referred to as a product inlet valve for the product to enter toward the product metering chamber (13), a product outlet valve for the product to exit from the product metering chamber (13), an air inlet valve for the air to enter in an air metering chamber (14) of the air pump, an air outlet valve for the air to exit from the air metering chamber (14), an air return valve for the recovery of the air of the reservoir. The deformable element (2) comprises at least four flaps which are movable between a valve open state and a valve closed state.
A foaming product dispenser, comprising:
A foam dispensing system, comprising:
Dependencies are inferred from the claim text.