Patent ID: 8281945
Filing Date: 2012-10-09
Classification: B65D

Abstract:
1. A closure system for a container, comprising: a cap; and a ring defining a container opening, wherein said cap and ring are configured for screw engagement to seal the opening, said cap comprising an essentially circular top wall from which there extends a downward annular skirt having an annular bottom edge and a radially inward face provided with a screw thread, said ring having an annular rim forming said opening, an annular collar projecting out radially as far as a radially outermost face and a screw thread, complementary to the screw thread of the cap located between the collar and the rim of the ring, wherein said skirt of the cap comprises at least one annular barrier member which projects from said radially inward face and is adapted for bearing in a substantially radial direction against the entire periphery of said radially outermost face of the collar, and wherein said skirt of the cap and said at least one barrier member are formed integrally of one piece of a same material.