Closure for a liquid container

摘要

A closure (10) for a liquid container, comprising a dispenser element (12) with an external thread (14) and an annular base (16) to be fixed to the wall of the container at its outlet hole. The element (12) has a breakable circular wall (18) and a cap (22), provided, along its inner side surface, with a first female screw thread (26) coupled with the external thread (14) formed on the outer side surface of the cylindrical dispenser element (12). Inside the cap (22) there is a second inner female screw thread (28) having a smaller diameter and opposite screwing direction with respect to the diameter and the screwing direction of the first female screw thread (26). The screw thread (28) engages with a screw thread (30) formed integral with the breakable circular wall (18) to lift the cap (22) and to screw the screw thread (30) inside the screw thread (28) in order to detach the wall (18).