Patent ID: 7367478

Claim:
Dosing device for at least one medium with a casing part connectable to a medium reservoir, with a pumping device located in the casing part and with an applicator connected to the pumping device, said pumping device having at least one inlet valve, as well as at least one outlet valve associated with the applicator and a stroke-movable pumping body, wherein the casing part, applicator and all parts of the pumping device are provided coaxially to a pumping axis with plug connection sections by means of which the casing part, applicator and the parts of the pumping device can be assembled ready for functioning along the pumping axis to form the dosing device, wherein the pumping body and a bellows spring elastically returning the pumping body following a pumping movement are constructed as a common, integral continuous hollow body being open at two opposing ends and forming a common pumping area for the medium.