Patent ID: 7726506
Filing Date: 2010-06-01
Classification: B65D,F01P

Abstract:
1. A closure lid for the container neck of a container closure, having: an outer part; an inner part retained on said outer part; and a sealing ring, wherein: said inner part having an outer circumference with an annular rib partly defining an annular groove; said sealing ring being inserted in said annular groove; said annular rib, toward its outer part, is provided with an uneven contact face for said sealing ring; said inner part has a further annular rib with a contact face; said uneven contact face of said annular rib and/or said contact face of said further annular rib are provided with one or more support ribs that protrude into said annular groove and are distributed over the circumference thereof; and said support ribs of said annular rib are offset at angles from one another relative to said support ribs of said further annular rib.