Tamper-proof container with attached end closure

Abstract From the Canadian patent

There is provided a closure member for containers in which the closure member includes a closure wall an, aperture in the wall for dispensing a commodity through the closure member from the container, and a pair of cooperating tabs, one of which is adapted to be positioned exteriorly of the closure wall and the other interiorly in registry with each other. The outer closure member includes a movable gripping portion. The two tabs are joined together for movement about a fixed axis so as to go into and out of registry with the aperture; the inner tab is made of at least partially flexible material to permit inward bending into the body of a container to rupture a flexible inner sealing …