Patent ID: 8430268
Filing Date: 2013-04-30
Classification: B65D

Abstract:
1. A container closure for a container comprising: a disk shaped member including a circumferential rim extending about a periphery, the circumferential rim of the disk shaped member comprising a raised annular inner side wall, a raised annular outer side wall extending around the raised annular inner side wall and generally parallel to and opposite the raised annular inner side wall, the raised annular outer side wall having an indentation forming a first annular rib opposite to the raised annular inner side wall, the raised annular outer side wall and raised annular inner side wall being interconnected by an annular top wall, wherein the annular top wall is generally perpendicular to the raised annular outer side wall and raised annular inner side wall and wherein the raised annular inner side wall comprises second and third annular ribs disposed along the raised annular inner side wall opposite to the raised annular outer side wall for providing leakage prevention and sealing of the container closure with the container, the second and third annular ribs are arranged in continuous rings parallel to one another and generally parallel to the first annular rib of the raised annular outer side wall; the second annular rib is positioned proximate to a top portion of the raised inner side wall and the third annular rib is positioned below the second annular rib; the second and third annular ribs each include a generally convex profile relative to a flat inner surface of an inside wall of the container, and form an annular rib channel therebetween, the annular rib channel of the inner side wall is intermediate to the second and third annular ribs and positioned at a bottom of the second annular rib and a top of the third annular rib, and wherein the first annular rib is positioned higher than the third annular rib when the container closure has the annular top wall in an uppermost orientation and the second and third ribs sealing against the flat inner surface of the container and provides a gripping area for securing the container closure to a brim of the container.