B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 41/04 (2006.01)
Patent
CA 2303340
A closure system (10) for molded plastic containers (12) having a threaded container neck (14), the closure system comprising a screw cap (22) having internal threading (24) constructed for threaded engagement with the threaded container neck, a gasket (36), means (33) for retaining the gasket on the screw cap and an abutment surface (20) integrally formed in and extending substantially radially from the container neck for sealably contacting the gasket, wherein the screw cap and the abutment surface are constructed so that downward axial rotation of the screw cap is effective to seal the gasket against the abutment surface.
La présente invention concerne un système de fermeture (10) pour conteneurs en plastique moulé (12) munis d'un col (14) de conteneur fileté, lequel système de fermeture comprend une capsule à vis (22) munie d'un filetage interne (24) construit pour coopérer par filetage avec le col de conteneur fileté, un joint statique (36), des moyens (33) permettant de retenir le joint statique sur la capsule à vis et une surface (20) de butée formée solidaire du col du conteneur et s'étendant de façon sensiblement radiale à partir de celui-ci pour entrer en contact hermétique avec le joint statique, la capsule à vis et la surface de butée étant construites de façon que la rotation axiale vers le bas de la capsule à vis permet de sceller le joint statique contre la surface de butée.
Laferrier Michael D.
Ramsay George M.
Trausch Jacquie
Yeaton Steven C.
Abbott Laboratories
Hospira Inc.
Mbm Intellectual Property Law Llp
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