| 摘要 |
<p>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). <IMAGE></p> |
