Antipollution cap

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 51/20 (2006.01) A61J 1/00 (2006.01) A61J 1/05 (2006.01) A61J 1/14 (2006.01) B65D 41/34 (2006.01) B65D 51/16 (2006.01) B65D 51/22 (2006.01)

Patent

CA 2485295

An antipollution cap comprises a base member (7) attachable to an eyedrops container (A) for containing a fluid, a overcap (8) mountable on the base member (7), a pressing member (9) inserted into and held by the base member (7) to be slidable relative thereto, with a groove portion (91) formed in a side face thereof for guiding the fluid to the outside, the pressing member being pressed toward the eyedrops container (A) by the overcap (8) to cancel a sealed condition of the eyedrops container (A), a first tight contact member (11) provided on a tip end portion (77) of the base member (7) to be placed in tight contact with the pressing member (9) from outside and yet allow the fluid to be discharged therethrough, and a second tight contact member (12) provided on an inner periphery of the base member (7) to be placed in tight contact with the pressing member (9) in a pressed position thereby preventing the fluid from being discharged therethrough and yet allowing ambient air to flow therein.

Ce bouchon comprend un élément de base (7) pouvant être monté sur un compte-gouttes oculaire (A) capable de stocker du liquide, un capot (8) pouvant être fixé à l'élément de base (7), un élément poussoir (9) inséré et maintenu dans l'élément de base (7) pour permettre un mouvement coulissant par rapport à l'élément de base (7), possédant une rainure (91) latérale qui guide le liquide vers l'extérieur, et qui peut être poussée en direction du compte-gouttes oculaire (A) par le capot (8) en vue d'annuler l'état étanchéisé du compte-gouttes oculaire (A). En outre, un premier élément de contact de fermeture (11) étroitement en contact avec l'élément poussoir (9) depuis l'extérieur est placé au niveau de la partie d'extrémité avant (77) de l'élément de base (7) en vue de permettre le flux de liquide, et un second élément de contact de fermeture (12) placé sur la périphérie interne de l'élément de base (7) capable d'entrer en contact étroit avec l'élément poussoir poussé (9), en vue d'empêcher le flux de liquide, et permettre l'entrée de l'air extérieur.

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