Patent ID: 9139342
Filing Date: 2015-09-22
Classification: B65D

Abstract:
1. An insert for a mechanical clamping cap of a screw and crown type, for closure of bottles, said insert comprising a sealing element capable of being compressed in one part between a body of a bottle cap and a portion of said bottle when said cap is closed over said bottle, and comprising a permeating element, said permeating element being impermeable to liquids and having a permeability to oxygen measured at 20° C. of between 10 said permeating element being positioned and configured to close a passage made in said bottle cap between an inside and outside of the bottle, and having a thickness and surface such as to control the flow of oxygen between the inside and outside of the bottle, with the cap fitted, between 0.1 and 5 milligrams per month; said permeating element being positioned such that passage of air between the outside and inside of a bottle over which said cap is closed, occurs only through the permeating element, so as to enable a flow of oxygen into and out of said bottle sufficient for the process of aging wine contained in the bottle; wherein said insert is configured to be fixed to a portion of a surface of said body of said bottle cap.