Patent ID: 7731067
Filing Date: 2010-06-08
Classification: B05B

Abstract:
1. A container comprising: a housing containing a medium to be dispensed, an opening and a dispensing device associated with the opening for the selective metered dispensing of the medium, the dispensing device comprises a valve piston having an upper surface and an opposed lower surface, a valve piston tip projecting from the upper surface for selectively closing off the opening, spring means shutting the lower surface for biasing the valve piston tip against the opening for closing off the same, passage means for communicating the medium from an interior space of the container to a filling space above the upper surface of the piston, and a compressible element comprising an air ring is arranged in the filling space, wherein the medium in the filling space acts on the piston in opposition to the spring means for moving the valve piston tip away from the opening.