| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe joint excellent in sealing performance of fluid. SOLUTION: The pipe joint comprises: an outer tube 1 that is cylindrical and has a first flange 1a disposed at an end portion thereof to widen outward; and an inner tube 2 that is cylindrical and is slidably inserted into the outer tube 1. Further, an annular ring 3 movable in an axial direction on an outer peripheral face of the inner tube 2 is provided. The inner tube 2 has a second flange 2a that widens outward, is slidably brought into contact with an inner peripheral face of the outer tube 1, and is brought into contact with the ring 3.
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