Closure

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/32 (2006.01)

Patent

CA 2671494

The invention generally relates to a closure having a cap coupled to a sleeve defining a frangible connection between the cap and the sleeve. A preselected geometry is provided between the cap and the sleeve proximate to the frangible connection which allows for formation of a clean break between the cap and the sleeve when the cap is broken away from the sleeve. An extended bead is also provided with consistent material distribution on the bead proximate to a juncture of the cap to the sleeve after the cap is broken away from the sleeve. A projection is additionally provided on the cap which projects at an angle. The projection has a generally tapering leg of reduced thickness that terminates in a vertical wall segment. The projection also has the bead that is formed located on an outer corner of the projection after the frangible connection is broken.

L'invention concerne de manière générale une fermeture ayant un capuchon couplé à un manchon définissant une connexion fragile entre le capuchon et le manchon. Une géométrie présélectionnée est fournie entre le capuchon et le manchon à proximité de la connexion fragile qui permet la formation d'une rupture nette entre le capuchon et le manchon lorsque le capuchon est séparé du manchon. Une perle étendue est également dotée d'une distribution de matériau cohérente sur la perle à proximité d'une jonction du capuchon au manchon après que le capuchon est séparé du manchon. Une saillie est également fournie sur le capuchon qui fait saillie selon un certain angle. La saillie a une patte généralement conique d'épaisseur réduite qui se termine dans un segment de paroi vertical. La saillie comporte également la perle qui est formée située sur un coin externe de la saillie après que la connexion fragile est cassée.

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