Closure integrity test method for hot-fill bottling operation

Details Closure integrity test method for hot-fill bottling operation Closure integrity test method for hot-fill bottling operation

G - Physics

01

M

G01M 3/20 (2006.01) B65B 51/32 (2006.01)

Patent

CA 2496668

A method for evaluating the integrity of the closure on a hot-filled container in which the hot-filled container is subjected to a pressurized spray of cooling medium, including the step of providing a cooling medium having an effective amount of a fluorescing dye contained therein, is provided. The sealed container then is sprayed with the cooling liquid. After the container has exited the cooling portion of the filling and sealing operation, the container is subjected to ultra violet light to activate any fluorescing dye which may have migrated past the closure into the interior of the container. The container is than viewed to determine the presence or absence of activated dye.

L'invention concerne un procédé destiné à évaluer l'intégrité de la fermeture d'un récipient rempli à chaud, un liquide de refroidissement sous pression étant pulvérisé sur ledit récipient. Ce procédé consiste à utiliser un liquide de refroidissement comprenant une dose efficace de colorant fluorescent. Le liquide de refroidissement est pulvérisé sur le récipient fermé hermétiquement. Après être sorti de l'étape de refroidissement de l'opération de remplissage et d'étanchéification, le récipient est soumis à un rayonnement ultraviolet destiné à activer le colorant fluorescent, lequel peut avoir migré derrière la fermeture à l'intérieur dudit récipient. On visualise alors ce dernier en vue de déterminer la présence ou l'absence de colorant activé.

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