CLOSURE CAP FOR STANDARD GLASS RING

摘要

The invention concerns a closure cap (1) comprising a cap blank (2), typically provided with a top (20) and a skirt (21), and a plastic insert (3) with threaded skirt (31) fixed to said blank (2). The invention is characterised in that said threaded skirt (31) comprises an internal thread (32) whereof the base (320) has a thickness ranging between 0.40 mm to 0.150 mm.