| 摘要 |
<p>A bottle stopper having a cap shaped body of substantially rigid plastics material and a seal applied to the body bottom edge region and the side wall region adjacent said bottom, the bottom being provided with a concentric inwardly extending rib and a plurality of recesses between the rib and the said wall, while the side wall is in internally provided with an annular flange close to the bottom and a plurality of hollows between the flange and the bottom. The seal is disposed between said rib and said flange and fills said recesses and hollows. 1.</p> |
