Stopper for flasks of sterile products and use of said...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/28 (2006.01) B65B 55/04 (2006.01) B65D 39/04 (2006.01)

Patent

CA 2588426

A stopper for flasks for pharmaceutical products, characterized in that it comprises, in combination: a plug with resilient means for adjustment to the inner face of the neck and of the mouth of the container and an upper stoppering wall; means for defining a position for pre-stoppering of the flask, before the stoppered position; a protector joined to the plug which comprises a lateral wall of synthetic material, said lateral wall having a projection for engagement with an annular protuberance located on the mouth of the container; the aforesaid protector having an extension which, when the stopper is in its pre-stoppered position, creates a labyrinth closure with respect to the particles which might be present in the surroundings in which the container is being handled.

Un bouchon de flacon destiné aux produits pharmaceutiques est caractérisé. Il est constitué des pièces suivantes : un obturateur muni d'un moyen résilient s'adaptant à la face interne du col et de l'ouverture du contenant et une paroi supérieure de fermeture; un moyen destiné à définir une position permettant une pré-fermeture du flacon, laquelle précède la position de fermeture; une protection rattachée à l'obturateur, qui comprend une paroi latérale de matière synthétique, ladite paroi latérale présentant une projection pénétrant dans une protubérance annulaire située sur l'ouverture du contenant; ledit protecteur étant doté d'une rallonge qui, lorsque le bouchon est en position de pré-fermeture, crée une fermeture en forme de labyrinthe pour ce qui est des particules qui pourraient être présentes dans le milieu dans lequel le contenant est manipulé.

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