| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a connecting structure for firmly connecting a cylindrical body to a flange. SOLUTION: In a connecting structure for connecting a flange 2 to the end of a cylindrical body 1, a first external thread part 1a and a second external thread part 1b are provided on the outer and inner peripheral surfaces on the end of the cylindrical body 1, and the flange is constituted of a cylindrical first member 3 provided with a first internal thread part 3a to be screwed to the first external thread part 1a, and a cylindrical second member 4 provided with a second internal thread part 4a to be screwed to the second external thread part 1b. The cylindrical body 1, the first member 3, and the second member 4 are connected by screwing the first external thread part 1a to the first internal thread part 3a, and the second external thread part 1b to the second internal thread part 4a.</p> |
