Pumping device for container for liquid, paste or foamable skin cleansing and skin care products, such as liquid soaps, disinfectants, skin protection paste or cream, has bellows chamber, inlet valve and outlet valve

摘要

The pumping device (1) has a bellows chamber (10), an inlet valve (70) and an outlet valve (25). An element is provided in the area of the outlet valve to hold the outlet valve in the unloaded state of the bellows chamber in the closed position. The outlet valve comprises a valve disk (26) and a valve seat (28), where a spring element (35) is provided with the valve disk. The valve disk is pressed against the valve seat by the spring element.