Patent ID: 6481601
Filing Date: 2002-11-19
Classification: B65D

Abstract:
An insert adapted to be positioned between an opening in a container and a closure member releasably secured to the container, the closure member having a closure opening offset toward an outer boundary thereof, said insert comprising:a conical body extending from an inlet and terminating at an outlet, said outlet having a larger diameter opening than said inlet, said conical body uniformly tapering from said outlet to said inlet; and an obstructive member retained within said conical body, said obstructive member having a larger diameter than said inlet and a smaller diameter than said outlet, said obstructive member seating against said conical body to inhibit vapor passage through said outlet when the container is in a first orientation, said obstructive member movable to a second orientation wherein a first portion of said obstructive member engages said conical body and a second portion of said obstructive member engages said closure member inboard of the closure opening to allow passage of fluid from said inlet to said outlet.