Container closure with piercing nail and captive signet ring

摘要

Container closure (1), comprising a closure bottom (5) and a cap (2) and a mouthpiece (3) and means for piercing a sealing film, wherein a guarantee strip (6) is provided, which ensures that the sealing film pierced by the means first can be, when the guarantee strip (6) has been removed, wherein the guarantee strip (6) between the closure bottom (5) and the cap (2) is arranged, characterized in that the guarantee strip (6) is formed as a closed ring, the at least one separable web (8) with a lower edge of the cap (2) is connected and the cap (2) in each case in sections rotatably and pressed on the closure bottom part (5) is mounted.