Screw cap for bottles of milk drinks or fruit juice has peripheral rib on lower side of its top which rests on rim of bottle when cap is screwed on, concentric lip inside rib resting against inner surface of rim to improve sealing

摘要

The screw cap for bottles of milk drinks or fruit juice has a peripheral rib (31) on the lower side of its top (28). This rests on the rim (16) of the bottle when the cap is screwed on. A concentric lip (32) inside the rib rests against the inner surface (19) of the rim to improve sealing.