Tamper-evident package with improved opening performance

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/38 (2006.01) B65D 1/02 (2006.01) B65D 39/00 (2006.01)

Patent

CA 2721234

A tamper-evident package having pressurized contents includes a closure and associated container which cooperate to provide desired tamper-evidence upon initial removal of the closure from the container, while promoting convenient and comfortable removal and use by consumers. In particular, the package is configured such that from a fully applied position of the closure on the container, the closure is movable through a predetermined angle prior to actuation of the tamper-evident feature on the package. In this fashion, the torque which must be applied to the closure for overcoming the static friction at the sealing interface between the closure and the container can be overcome prior to the application of torque required for operating the tamper-evident feature of the package. The present invention contemplates enhancing the opening performance of the package by configuring the package to include certain structure features to facilitate convenient, consistent, and comfortable use by consumers.

L'invention concerne un emballage inviolable renfermant un contenu sous pression, qui comprend une fermeture et un récipient associé qui coopèrent pour produire une inviolabilité lors du retrait initial de la fermeture du récipient, tout en favorisant un retrait et une utilisation commodes et confortables pour les consommateurs. L'emballage est configuré, en particulier, de sorte qu'à partir d'une position de la fermeture complètement appliquée sur le récipient, cette dernière est mobile via un angle prédéterminé avant l'actionnement de la caractéristique inviolable disposée sur l'emballage. De cette façon, un couple qui doit être appliqué sur la fermeture pour vaincre la friction statique au niveau de l'interface de scellement entre la fermeture et le récipient peut être contre-carré avant l'application du couple requis pour faire fonctionner la caractéristique d'inviolabilité de l'emballage. L'invention concerne également l'amélioration de la performance d'ouverture de l'emballage par configuration de ce dernier afin d'inclure certaines caractéristiques pour favoriser une utilisation appropriée, commode, et compatible par les consommateurs.

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