Patent ID: 7721880
Filing Date: 2010-05-25
Classification: A61J,B65D,Y10S

Abstract:
1. A closure element for a dispenser, the closure element configured to sealingly close an aperture in a container of the dispenser, the closure element comprising: an outer skirt configured to enable the closure element to attach to the aperture of the container; a flexible membrane; and a locating element comprising: a shoulder having an edge separating two substantially orthogonal shoulder elements, wherein a first shoulder element is connected to the flexible membrane and the second shoulder element is connected to the outer skirt; and an inner skirt extending from the second shoulder element and spaced a distance from the edge, wherein the shoulder and inner skirt form an annular bounded ledge extending between the inner skirt and the edge of the shoulder on which a seal can rest so as to span the space formed by the second shoulder element and the flexible membrane, and wherein the flexible membrane is formed as a single piece with the closure element.