| 摘要 |
A dispenser having a head fixed on a body or a skirt, and a cap, with the cap comprising an outer skirt, a deformable internal crown and an intermediate ring, the head and the intermediate ring of the cap having complementary screw threads for raising and lowering the cap, the head including a stopper supported by sloping legs fixed inside the head and occluding an aperture of the cap when the cap is in a low position, the internal crown and the head cooperating sealingly once the cap is engaged on the head, the head including a shoulder which has at least one stop lug cooperating with a rib on the intermediate ring near its lower end to hinder an uncontrolled unscrewing of the cap when the cap is screwed downwards to close the dispenser.
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