Patent ID: 6276545
Filing Date: 2001-08-21
Classification: B65D

Abstract:
Universal stopper for opened bottles comprising:an internally hollow external body having an upper opening;a lever pivotally mounted to said body and movable in said upper opening;an opening in the bottom part of said external body to allow the neck of a bottle to pass through, said body having an internally circumferential flared wall and a toroidal spring seated opposing said wall, said toroidal spring to perform external circumferential locking to the neck of the bottle, beneath a shoulder on the bottle neck;an internal body within said external body to slide longitudinally along the internal surface of said external body, said internal body having its bottom edge in contact with said toroidal spring; anda helical compression spring positioned between a top part of said internal body and a disk arranged between said helical spring and said lever, said helical compression spring being engaged by said disk and converting the rotational movement of said lever into radial deformation of said toroidal spring as said lever is rotated to compensate for differences existing both in the diameters of the necks of the various bottles and in the heights of the various shoulders.