Patent ID: 6202871
Filing Date: 2001-03-20
Classification: B65D

Abstract:
A closure for use with a container that houses pressurized products, the container having a neck including a first thread formed thereon and a rim, the closure comprising:a top member and a circular skirt downwardly depending therefrom, the closure including a vent hole that has an inlet formed on an interior surface of the closure and an outlet formed on an exterior surface of the closure, the skirt having a second thread formed thereon that is in cooperation with the first thread to enable the closure to move between a fully closed position and a vented position, the closure and the container rim forming a seal therebetween in the fully closed position and enabling venting through the vent holes in the vented position, whereby internal pressure of the container is released through the vent holes as the closure is unthreaded from the fully closed position; the closure further including a liner disposed on an interior surface of the top member, the vent holes formed substantially outside a perimeter of the liner, the interior surface of the top member and the upper rim contacting opposing sides of the liner to seal the container in the closed position, the upper rim being spaced apart from the liner in the vented position to enable communication between the vent hole and an interior of the container in the vented position;the top member and the skirt forming a ridge peak on the inner surfaces thereof, the ridge peak conforming an edge of the liner to space the liner apart from the vent hole.