Method and apparatus for detecting leaks

Details Method and apparatus for detecting leaks Method and apparatus for detecting leaks

G - Physics

01

M

G01M 3/22 (2006.01) A61L 2/26 (2006.01) A61L 2/28 (2006.01)

Patent

CA 2273339

A method and apparatus are directed to non-destructive testing for a leak in a sealed package having an interior chamber formed of a gas-permeable portion and a non-gas-permeable portion. A temporary barrier having an aperture is formed to the gas-permeable portion to temporarily seal the gas-permeable portion of the sealed package except at the aperture. A tracer gas is applied through the aperture at the gas-permeable portion, whereby the tracer gas enters into the interior chamber. The concentration of tracer gas is measured at the exterior of the sealed package, thereby testing for a leak in the sealed package.

Procédé et appareil d'inspection non destructive d'une fuite dans un paquet étanche, cet appareil possédant une chambre interne constituée d'une partie perméable aux gaz et d'une partie imperméable aux gaz. Une barrière provisoire comportant une ouverture est formée sur la partie perméable aux gaz de façon à l'étanchéifier, excepté au niveau de l'ouverture. Un gaz de dépistage est introduit dans l'ouverture au niveau de la partie perméable aux gaz et pénètre dans la chambre interne. La concentration de gaz de dépistage est mesurée à l'extérieur du paquet étanche, permettant ainsi de tester s'il y a une fuite au niveau de celui-ci.

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