Dispenser head for foaming liquids comprise pressurizing and dispensing piston pumps, liquid being fed into chamber which is closed by flatter valve while it is foamed and opens to allow foam to be dispensed

摘要

The dispenser head for foaming liquids comprise a pressurizing piston pump (5) and a dispensing piston pump (7). Liquid is fed into a cylindrical chamber (6) which is closed by a flatter valve (8) while it is foamed and opens to allow the foam (3) to be dispensed.