| 摘要 |
<p>The bottle top has a one-piece inner sleeve (10) with a threaded inner surface (5) and a cover with a seal lip (6) on its inner surface, a cap (20) which fixes onto the cover, and at least one outer ring (30) which is fastened to the outer surface of the sleeve by locking elements (14,31) in the form of ribs and grooves. One or more rings (30) can be used, and they can be made in a variety of sizes and shapes, according to a client's requirements.</p> |
