| 摘要 |
<p>The cap according to the present invention is characterized in that, at an intermediate working stage, on the top panel (10) thereof a hollow pin (24) is formed, said pin being riveted, at a subsequent working stage, after a bored gasket (18) has been put on it, so as to form a head (26) which fastens said gasket. Therefore the certainty is achieved that the cap and gasket remain firmly bound to each other upon the opening of the bottle.</p> |
