METHOD AND APPARATUS FOR TESTING THE TIGHTNESS OF A CONTAINER CLOSED BY A MEMBRANE
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United States of America Patent
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Issued Date -
Dec 14, 2023
app pub date -
May 31, 2023
filing date -
Jun 10, 2022
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Abstract
A method and relative apparatus for testing the tightness of a container closed by a membrane are described. The method includes steps of: submitting the container to a deforming action to increase the pressure inside the container; submitting the membrane to an abutting action to counteract the deformation of the membrane caused by the deforming action; maintaining the action of abutting the membrane at the same time as the action of deforming the container for a set period of time; interrupting the action of abutting the membrane at the end of the period of time; detecting at least one parameter related to a membrane profile when the abutting action has ceased; and comparing the at least one parameter related to the membrane profile with a predefined threshold to verify whether the tightness of the container is to be classified as defective.
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