Process and apparatus for testing the airtightness of a...

Details Process and apparatus for testing the airtightness of a... Process and apparatus for testing the airtightness of a...

G - Physics

01

M

73/118

G01M 3/32 (2006.01) B07C 5/34 (2006.01) G01F 17/00 (2006.01)

Patent

CA 1335540

The invention relates to a process and apparatus for testing the airtightness of a closed container. The closed container is placed in a test chamber and a pre-chamber is brought to a desired pressure and then connected with the test chamber. The pressure in the test chamber is stored at a certain point in time on the input side of a differ- ential pressure sensor and then the course of the test chamber pressure is compared with the reference pressure thus formed. Any pressure compensation, which occurs if leaks are present in the hollow body, is recorded as an indication of such leakage. The process allows the air tightness of closed containers to be tested in a simple, reliable and non-destructive manner.

551508

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