TUBE HEAD SUPPLIED WITH A COVER, CONNECTED WITH A PERFECT PERFORATING CAP, PROVIDING COVER PROTECTION BEFORE FIRST USE

摘要

1. An assembly comprising: - a head (1) of a tube containing a neck (11) defining a longitudinal axis (ZZ), a shoulder (12) and a continuous insert (13) forming a cover covering the specified neck (11), - a cap ( 2) containing a punch (22) for cutting the lid, wherein the cap is made to screw onto the specified neck (11) so that when the specified cap (2) is screwed onto the neck (11), the punch (22) is placed in the neck (11) , - a removable dividing ring (3) located with support on the shoulder (12) around the neck (11), while the ring (3) and the cap (2) are made all in one piece and connected by jumpers, said ring (3) has an inner diameter larger than the outer diameter of said cap (2), so as to allow cap (2) to pass through ring (3) after breaking these jumpers, said ring (3) contains internal stoppers (33) to limit the movement of said cap (2) through the ring (3) so as to maintain the punch (22) at a distance from the cap when the cap (2) is screwed onto the neck (11) and abuts against the ring (3) .2 . The assembly according to claim 1, wherein said punch (22) is made so that after removing the spacer ring (3) from the assembly, when said cap (2) is screwed completely against the shoulder (12), partially cut said cover to open said the neck (11), while the lid is connected to the uncut part of the insert (13) via a jumper. 3. The assembly according to claim 1, wherein said spacer ring (3) comprises a plurality of ribs for centering the spacer ring (3) around the neck (11). An assembly according to any one of claims 1 to 3, wherein said dividing ring (3) has the shape of a circle portion, the free end of which (33) m