(57) A closing device (10, 110, 210) for a container (12, 112, 212) equipped with an opening
(14, 114, 214) at which a cylindrical distribution orifice (40, 140, 240) closed with
a cap (20, 120, 220) with interposed threading (24, 46, 124, 146, 224, 246), and seal
elements being foreseen (55, 155, 255) between said orifice (40, 140, 240) and said
cap (20, 120, 220) to demonstrate a first use for said container (12, 112, 212); the
closing device (10, 110, 210) is obtained from the moulding of a single piece and
in a first position, immediately after moulding, foresees between the cap (20, 120,
220) and the distribution orifice (40, 140, 240), these sealing elements, that comprise
a safety ring (30, 130, 230), that is connected, at least at its first end, to a rim
(22, 122, 222) free of the cap (20, 120, 220), by bridge elements (50, 150, 250),and,
at least at its second end, to the distributor orifice (40, 140, 240), by these sealing
elements (55, 155, 255).
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