Patent ID: 7028865
Filing Date: 2006-04-18
Classification: B05B

Abstract:
1. A dispenser for dispensing metered amounts of liquid or pasty products, the dispenser comprising: a cylindrical reservoir having an open bottom and an upper end, wherein the upper end of the reservoir has an intake valve; a plunger arranged axially movable in the cylindrical reservoir and closing off the open bottom of the cylindrical reservoir; a dispensing head arranged on the upper end of the reservoir; wherein the dispensing head has a bell-shaped dispensing pump comprising elastic sidewalls and a pump neck with a through opening comprising an outlet valve; wherein the dispensing head together with the intake valve and the outlet valve delimits a pump chamber; wherein the bell-shaped dispensing pump has a lower open end and the reservoir has a cover, and wherein the lower open end of the bell-shaped dispensing pump sealingly rests on the cover of the reservoir, such that the pump chamber is enclosed by the dispensing pump and the cover, wherein the intake valve is an integral part of the cover and the outlet valve is an integral part of the dispensing pump, and the outlet valve is formed integrally with the pump neck of the dispensing pump, wherein a valve flap of the outlet valve rests on the pump neck and closes off completely the through opening of the pump neck from above, wherein the valve flap is a disk having a central hole and wherein the pump neck has an axially projecting pin, wherein the disk is pushed onto the axially projecting pin of the pump neck such that the axially projecting pin is received in the central hole.