| 摘要 |
<p>The free lower edge of its threaded cap (2) is provided with bearing stops or spikes (7) located in the immediate vicinity of the tamper-prove bridges (4) connecting the said cap to a guarantee ring (3). Thus, during positioning of a closure comprising the abovementioned spikes, the bridges (4) undergo no buckling stress, the axial force being received solely by the said spikes (7). Packaging industry. <IMAGE></p> |
