Device for testing imperviousness of a flexible membrane mounted on a rigid support
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United States of America Patent
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Nov 26, 1996
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N/A
app pub date -
Jun 5, 1995
filing date -
Jun 6, 1994
priority date (Note) -
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Abstract
Device for testing the imperviousness of a flexible membrane (8) used for communications between the outside world and a volume (2) closed by a wall (1). The membrane is seal-connected to a movable box (13), the contents of which may be evacuated. Evolution of the pressure or the concentration of a gas derived from the volume (2) in the box (13) makes it possible to measure any leaks through the membrane (8).
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