Hinged stopper

Abstract

The present invention includes a plastic stopper, comprising a closure shell with a top roof and a tamper band to be secured on a bottle neck. The plastic stopper also includes a weakness line with bridges separably linked a bottom edge of the closure shell and a top edge of the tamper band and at least two hinges, the two hinges pivotably link the bottom edge of the closure shell and the top edge of the tamper band. At least one gap is located between the two hinges, the gap having a shape with a middle area. At least one tongue extends outwardly and laterally from the roof, the tongue being located over the middle area of the gap. The stopper includes knurls distributed around a peripheral wall of the closure shell and has the at least one tongue shaped alike one of the knurls.

Dependencies are inferred from the claim text.