| 摘要 |
The present invention relates to a coined closure insert (1) for a drawn metal closure (2) for bottles, comprising a bottom (3), able to be placed on the mouth (101) of a container (100), and a resilient closure lip (5) comprising an internal surface (6) inclined outwards in which the external surface (7) of the closure lip (5) is substantially perpendicular to the bottom (3) and comprises a groove (9) which defines an external protective rim (10), so as to reduce damage to the closure (2) from mechanical stress caused by handling during production and/or application to the bottles.
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