Closure system for containers

摘要

An improved easy opening closure wherein a cover panel is bonded to a container end panel around the perimeter of an aperture through the end panel. A rotating lever is connected to a proximal lever through a rivet acting as a fulcrum such that, as pressure is applied to rotate the rotating lever axially around the rivet, the force is magnified which allows the proximal lever selectively debonds an isolated region of the perimeter, thereby allowing pressure within the container to escape. Continued rotation of the rotating lever further debonds the cover panel from the end panel. The leading edge of the rotating lever wedges between the end panel and the cover panel at the opposite edge of the aperture, thereby cleaving and debonding the connection between the panels at that edge.

主权项

1. A container opener, comprising:
an end panel; a cover panel covering an aperture through the end panel, the cover panel extending beyond the aperture to form a perimeter area around the aperture, the perimeter area being removably bonded to the end panel; and a lever movably attached to the end panel and the cover panel, wherein the lever is configured to selectively debond the cover panel from the end panel, wherein the lever is initially positioned against a first edge of the aperture such that the perimeter is fully bonded to the end panel and, as the lever is moved away from the first edge towards a second edge of the aperture, the lever debonds a portion of the perimeter area while leaving the cover panel substantially in place.