| 摘要 |
A bottle-closing device (10) comprising a cap (11) having a first top portion (12) and a side portion (13); a diffusing group (14, 15) suitable for coupling at the top with the cap (11) and at the bottom with a bottle neck; a covering case (20) comprising a second top portion (21) and a bottom portion (22) connected to each other along a breaking line (23), the second top portion (21) of said covering case (20) being suitable for coupling with the cap (11) so as to move with respect to the cap (11) between a first assembly- position and a second position, subsequent to the first opening of the device (10), wherein the second top portion (21) is irreversibly constrained thereto by constraining means (24, 25, 26, 34, 35); the bottle- closing device (10) being characterised in that the constraining means (24, 25, 26, 34, 35) comprise at least one protruding portion (24) realized inside the second top portion (21) and at least a first (25) and at least a second (26) receiving seat realized on the side portion (13) of the cap (11), the protruding portion (24) is at least partially housed in the receiving seats (25, 26) when the second top portion (21) is in an assembly and partial covering position respectively. |
