Closure with improved rotation-inhibiting projections

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/04 (2006.01) B65D 41/34 (2006.01) B65D 50/00 (2006.01)

Patent

CA 2705575

A package for carbonated beverages and the like includes a container, and a closure which can be threadably applied to the container by the provision of respective, cooperating thread formations. In order to facilitate release of gas pressure from within the package during closure removal, the present package includes at least one rotation- inhibiting projection, which can be positioned within a vent groove provided on either the container or closure of the package. Notably, a rotation-inhibiting projection in accordance with the present invention is configured vertically asymmetrically relative to a helix defined by a respective one of the thread formations of the container and closure of the package. The arrangement facilitates release of gas pressure from within the package, and further facilitates convenient manipulation and removal of the closure by consumers by minimizing removal torques for the closure.

L'invention porte sur un emballage pour des boissons gazeuses et autres, qui comprend un contenant et une fermeture qui peut être appliquée par vissage au contenant grâce à la création de filets respectifs, qui coopèrent. Pour faciliter la libération de la pression de gaz à partir de l'intérieur de l'emballage pendant l'enlèvement de la fermeture, le présent emballage comprend au moins une saillie empêchant la rotation, qui peut être positionnée à l'intérieur d'une rainure de ventilation disposée sur l'un ou l'autre du contenant ou de la fermeture de l'emballage. Une saillie empêchant la rotation selon la présente invention est notamment configurée verticalement de manière asymétrique par rapport à une hélice définie par l'une respective des bases des filets du contenant et de la fermeture de l'emballage. L'agencement facilite la libération de la pression de gaz à partir de l'intérieur de l'emballage, et facilite en outre la manipulation et l'enlèvement commodes de la fermeture par des consommateurs en réduisant à un minimum les efforts d'enlèvement de la fermeture.

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