| 摘要 |
In the case of a closure for a container having a content, in particular a bottle or the like made from plastic, glass or the like, with a cap, in particular made of plastic, for sealing connection to a neck of the container, which neck has an edge, with at least one knife edge, which is arranged around a central axis of the cap in the region of the clear width of the neck and is intended for severing a sealing foil, which is sealed onto the edge, during axial displacement of the at least one knife edge through the sealing foil, a screw cap which can be screwed onto and can be unscrewed from the cap is provided, during the screwing-on of which the at least one knife edge can be displaced in the direction of the sealing foil, wherein this screw cap has an initial screwing position, in which the sealing foil is still undamaged, and, after further screwing, an end-stop screwing position, in which the sealing foil is pierced by the at least one knife edge. The screw cap has a pouring and/or drinking opening in the manner of a sports cap. An axial plunger which has the at least one knife edge is arranged centrally between the cap and the screw cap and is guided displaceably in a coaxial guide of the transverse wall of the cap.
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