Patent ID: 6419167
Filing Date: 2002-07-16
Classification: B05B,B65D

Abstract:
Dispenser for flowable media (24) comprising:a cylinder unit (13) having a discharge cylinder (46) and a drive cylinder (47); a medium chamber (20) containing the medium; an outlet port (15) from the medium chamber, the discharge cylinder (46) being connected to the medium chamber; a pressure chamber (22) filled with a pressure fluid (25) and being connected to the drive cylinder (47); a plunger unit (21) for discharging the medium (24) performing an operating stroke in the cylinder unit (13) placed between the medium chamber (20) and the pressure chamber; the plunger (21) unit being displaced by means for manually pressurizing the pressure fluid (25) acting on a drive plunger face (65) of the plunger unit; the drive cylinder (47) having a larger active cylinder surface than that of the discharge cylinder (46) and the plunger unit being constructed in the manner of a stepped plunger, whose discharge plunger face (14) facing the medium chamber (20) has a much smaller area than the drive plunger face (65), the outlet port (15) being constructed as a whirling nozzle comprising whirl channels (19), which are shaped in an inner end wall (14) of the medium chamber (24) and are bounded by a medium chamber insert.