G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 15/08 (2006.01) G01M 3/02 (2006.01) G01N 7/10 (2006.01)
Patent
CA 2608199
The invention relates to a method for measuring the permeability to gases of the wall of a hollow body (6) made of polymeric material, characterized: in that it comprises a first conditioning step during which a flushing gas flushes said hollow body (6), and a second measuring step during which a measurement gas is introduced into said hollow body (6); in that the flow of flushing gas is greater than the flow of the measurement gas, and; the flushing gas is sent into the hollow body (6) without mixing with the measurement gas.
Procédé de mesure de la perméabilité aux gaz de la paroi d'un corps creux (6) en matériau polymère, caractérisé en ce qu'il comprend une première étape dite de conditionnement au cours de laquelle un gaz de balayage balaie ledit corps creux (6), et une deuxième étape, dite de mesure, au cours de laquelle un gaz de mesure est introduit dans ledit corps creux (6), en ce que le débit du gaz de balayage est supérieur au débit du gaz de mesure et en ce que ledit gaz de balayage est envoyé dans ledit corps creux (6) sans mélange avec ledit gaz de mesure.
Goudreau Gage Dubuc
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