A closure

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/04 (2006.01)

Patent

CA 2540734

A plastics closure (10) for a container is provided. The closure comprises a top plate (15), with a side skirt (20) depending from the periphery thereof. A sealing strip (45) depends from the top plate (15) and is adapted to sealingly engage a container neck finish (75). The closure (10) also comprises an abutment member (55) including a guide surface (65) for guiding the sealing strip (45) towards the neck finish (75) as the closure is applied, to increase the strength of the seal. The guide surface comprises a guide member (65) which projects from the abutment member (55), thereby minimising friction between the strip (45) and the abutment member (55). The sealing strip (45) is inclined radially towards the neck finish to improve the sealing effect.

La présente invention se rapporte à un dispositif de fermeture en plastique (10) pour un récipient. Le dispositif de fermeture selon l'invention comprend une plaque supérieure (15), dotée d'une jupe latérale (20) s'étendant vers le bas depuis sa périphérie. Une bande d'étanchéisation (45), qui s'étend vers le bas depuis la plaque supérieure (15), est adaptée pour venir en prise hermétique avec une bague (75) du récipient. Le dispositif de fermeture comprend également un élément de butée (55), qui possède une surface de guidage (65) conçue pour guider la bande d'étanchéisation (45) vers la bague (75) lorsque le dispositif de fermeture est appliqué, afin d'augmenter la résistance de l'étanchéisation. La surface de guidage comporte un élément de guidage (65) qui fait saillie à partie de l'élément de butée (55), ce qui permet de réduire le frottement entre la bande (45) et l'élément de butée (55). La bande d'étanchéisation (45) est inclinée radialement vers la bague, afin que soit amélioré l'effet d'étanchéisation.

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