| 摘要 |
<p>The sucker (1) comprises a mouthpiece (2) and a transition section (3) which is connected to the sucker. A fastening section is connected to the sucker for fixing it on an object, particularly a water bottle or a mouth shield. The sucker is a hollow body, where an inner surface of the mouthpiece or the transition section with a roughness between 5 microns to 200 microns, particularly 10 microns.</p> |
