SCREW CLOSURE

摘要

The invention relates to a screw closure in the form of a screw cap (1) for closing the pouring spout of a container, comprising a cylindrical outer wall (2) having an inner thread (6), to which wall an upper cap base (3) is formed, characterized in that the interior of the cap base (3) is covered with a circular insert foil (4) to seal the upper edge of the pouring spout from the cap base (3) and in that a clamping ring (5) lies on the lower face of the outer edge of the insert foil (4), said clamping ring being held on the inner face of the cylindrical outer wall (2) by a clamping force and pressing the edge of the insert foil (4) against the cap base (3).