| 摘要 |
This cap (100) for a bottle intended to contain a fluid, comprises at least a sealing portion (2) and a lateral portion (6) intended to be fastened to the bottle, the sealing portion (2) comprising along a direction substantially perpendicular to the lateral portion (6) a first region (3) formed of unfoamed plastic material, a second region (4) formed of foamed plastic material and a third region (5) formed of unfoamed plastic material, the second region (4) being positioned between the first region (3) and the third region (5). The invention also relates to a process for manufacturing a cap made of foamed plastic material. |
