Dosing Dispenser for Dosing of at Least One Material Component Received in a Receiving Compartment

摘要

A dosing dispenser for dosing of at least one material component respectively received in a receiving compartment. In a dosing dispenser for the discharge of material components that has a double-walled structure of the pump unit, a ventilation path is provided leading from the outer environment to the receiving compartment through the pump unit.