| 摘要 |
A wine bottle closure (11) includes a gasket/stopper (25) which engages the neck of the bottle (10). Encasing the finish (17) and upper neck (19) of the bottle is a plastic outer closure cap (13), generally cylindrical, with a top center disc (15) which is adhered to the top of the stopper (25). A circle of frangible elements (61, 62) at the periphery of the disc provides for breakage of the disc away from the closure sleeve (16), causing it to remain with the stopper when the plastic cap is opened. Coarse, short-length threads (23) are formed on the outside of the container neck, spaced appreciably below the finish, to be engaged by internal thread lugs (43) of the plastic cap. On initial unscrewing of the cap, the disc breaks away from the remainder of the cap. A small vertical clearance (66) is provided in the engagement between the internal cap structure and the gasket/stopper, so that the cap does not begin to lift the gasket/stopper until static friction against the elastomeric gasket/stopper has been overcome.
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