| 摘要 |
<p>A stopper for screw cap bottles, has the screw cap (15) covered by a stronger top cap (40) and there are connectors (44) on both the top cap and the screw cap permitting simultaneous rotation of both caps in both directions, yet also enable a relative turning movement of both caps to be made without damaging one of either cap in the event of the screw cap (15) not being able to be rotated further in one direction. A bottle with a screw thread (13) on its neck (11) is in contact with the screw thread (24) of the screw cap (15).</p> |
