FIELD: transportation.
SUBSTANCE: invention relates to a composite cap (1) intended to be fixed to glass ring (100) of a bottle and then to serve as a stopper that can be screwed and unscrewed as required in order to close or release dispensing orifice (110) of said bottle, said glass ring being provided with at least one annular bead (101). Sealing cap comprises body (10), typically metal, with a skirt (11), having internal annular bead (12), first insert (20), disposed inside said body and comprising internal screw thread (22), second insert (30), comprising at least two cylindrical portions (31 and 32). First portion (31) comprises a screw thread (311) complementary to that of said first insert, second portion (32) comprises axial immobilisation means (321) intended to interact with annular bead (101) and axial stop means (322), interacting with internal annular bead (12), so that said inserts, secured by thread joint, are fixed within cap body.
EFFECT: cap does not require screwing on neck thickening and can then be rolled up, enough to put pressure on neck until it is fixed.
14 cl, 2 dwg
