| 摘要 |
A leak tester for detecting the leakage of sealed gas includes a cavity, a pressing fixture (23)(23') - (28)(28') having a pressing unit (10) - (15) to seal the open gate of a tested object, a plurality of pressing unit for pressing the fixture to the sealed face of the tested object, a first device (29) for loading and unloading the fixture, a dummy member (47)(48) corresponding to the tested object shape, a moving means (49) for allowing the dummy member to be moved between the sensing and disengaging position, and a second device (61) for loading and unloading the pressing fixture to the dummy member.
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