| 摘要 |
For a cost-effective design of a metering dispenser for dispensing a substance (12), which is poured into a container (1) that is open at an end face and which can be removed from the container (1) by means of a pump unit (10), wherein a piston (5) is inserted in the container (1), the piston (5) has smaller dimensions than the inner contour of the container (1) and a film (5a) of the pasty substance (12) is provided in order to seal between the piston (5) and the inner contour of the container (1). |
