| 摘要 |
An apparatus for testing the gas-tightness of a joint between hollow members which has, in one aspect, a mechanism for applying a test gas to the outside of a joint, detection apparatus for detecting the gas inside the hollow members, and wherein the mechanism for applying the test gas to the outside of the joint has a gas testing chamber, a sealing ring for hermetically sealing the gas testing chamber, a casing enclosing the sealing ring, apparatus for applying pressure to the sealing ring, and apparatus for supplying test gas to the gas testing chamber.
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