Patent ID: 8443998

Claim:
A container comprising: (i) a container body with a receiving area capable of holding a product, the container having an open mouth surrounding the receiving area; (ii) a cap closure arranged over the open mouth, the closure comprising a fitment engagable around the mouth and a lid hingedly connected to the fitment: and (iii) a plastic membrane integrally molded with the cap closure and surrounded by a supporting wall protecting upwards from the fitment, the membrane sealingly closing off the mouth, the membrane comprising: (a) at one end a minor area non-frangibly attached to the supporting wall which is a shelf having a V-shaped outer border with sections of the border angularly converging to a pivot point and further comprising a pair of intersecting bars formed on the minor area and tracing the V-shaped outer border along at least 80% of a length thereof wherein the bars form an angle at a point of intersection ranging from 90 to 170°; (b) a major area at a second end of the membrane in part being frangibly attached along a perimeter of said major area to the supporting wall and in another part of the perimeter to the V-shaped outer border; and (c) a pull tab projecting outwardly from a surface of the membrane comprising a ring and a post, the ring being supported by the post and attached adjacent to the pivot point of the V-shaped outer border.