Patent ID: 9700907
Date: 2017-07-11
CPC Classifications: B05B

Claim:
1. A discharging device for liquids, comprising: a delivery device, an outer housing defining a buffer chamber, a liquid storage receptacle that communicates with an inlet of said delivery device and is adapted to store liquid, and a discharge orifice communicating with an outlet of said delivery device, wherein said liquid storage receptacle is at least in part in the form of a dimensionally flexible liquid-containing bag, and said liquid storage receptacle is disposed in the buffer chamber of constant volume, wherein said buffer chamber permanently communicates with the environment through at least one capillary passageway for the purpose of balancing the pressure, the capillary passageway being configured such that air in the buffer chamber remains saturated with liquid, the capillary passageway having a length-divided-by-average-cross-sectional-area quotient greater than 1000 mm