Capping assembly for receptacles

A capping assembly for receptacles, attachable to the gland of a liquid container receptacle, wherein the gland has a pouring orifice for liquid outlet, wherein the assembly comprises:

• a neck (1) consisting of a tubular body axially attachable to the gland of the receptacle;
• and
• a substantially cylindrical hinged cap (2), attached to the neck (1), comprising:
• a ring (3) attached to the neck (1);
• a hinged lid (4) for opening and closing the pouring hole;
• a hinge (5) for hinging the lid (4) relative to the ring (3);
• and
• frangible bridges (16) between the ring (3) and the lid (4);
• the assembly being characterised in that the tubular body of the neck (1) comprises:
• a lower collar (6), protruding radially outwards, for the lower stop of the ring (3);
• an upper locking washer (7), protruding radially outwards, for the upper stop of the ring (3);
• and
• a cylindrical part (8) intermediate between the lower collar (6) and the upper washer (7), intended to face an inner side of the ring (3) of the cap, with a height (h), delimited between the lower collar (6) and the upper washer (7), having a value in the range from 3.3 mm to 4 mm, including the extreme values of this range.