Method for testing sealed containers

G - Physics – 01 – M

Patent

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G01M 3/00 (2006.01)

Patent

CA 2301330

In order to test the characteristics of containers (10) which are closed by means of seals (12), said characteristics being the center seating of the seal (12) on the container opening, the closure of the seal (12) on the seat or the residual air volume in the containers (10) in which the liquid is foamed for displacing residual air volume before sealing, mechanical vibrations in the seal (10) are excited and analyzed. The analysis of the mechanical vibrations results immediately after the placement of the seal (12) before an essential pressure change occurs in the container.

En vue de contrôler des caractéristiques de récipients (10) obturés par une fermeture (12), par exemple, siège central de fermeture (12) sur l'ouverture du récipient, résistance du siège de fermeture (12) ou volume d'air résiduel dans des récipients (10) où le liquide est amené à l'état moussant pour chasser le volume d'air résiduel avant fermeture, des vibrations mécaniques dans la fermeture (10) sont excitées et analysées. L'analyse des vibrations mécaniques s'effectue immédiatement après mise en place de la fermeture (12), avant que se produise une variation notable de pression dans le récipient.

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