| 摘要 |
Disclosed is a stopper (1) for closing bottles, more particularly wine bottles, at least partially made of synthetic material and having at least a generally cylindrical length to be inserted in the bottle neck, characterised by comprising at least a tubular duct (2) adapted to put the residual volume of air present inside the bottle in communication with the outer ambient air through at least a membrane (3) provided with microholes and arranged transversely to said tubular duct and allowing passage of oxygen from the bottle interior to the outer ambient air and vice versa, said at least a membrane being fixed inside a tube provided in said tubular duct. |
