Airtight container for liquids, e.g. dairy products, has cap with means for piercing film sealing pour opening as cap is rotated

摘要

The cap (2) includes a means (6) for piercing the film (8) used to seal the pour opening (5) underneath, by pressing the cap against the film. The cap can be rotated around this opening in order to make a hole in at least part of the film. The piercing means comprises a rib protruding from the cap. The cap covers the film and is screwed (7) onto the container.