| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a joint pipe which has a simple structure, and can be securely fitted with a hollow pipe.SOLUTION: A joint pipe 10 includes: a body portion 11; a grip portion 12; a spiral fitting portion 13 formed on a surface of the body portion 11; and a passage 14. The spiral fitting portion 13 is equipped with a protrusion 15 continuously formed in a spiral shape in a longitudinal direction of the spiral fitting portion 13. A hollow pipe 20 is equipped with an outer wall 21, an inner wall 22, and a through-hole 23. By rotating the body portion 11 in a circumferential direction of the passage 14, the spiral fitting portion 13 is fitted with the inner wall 22 while deforming the inner wall 22 of the hollow pipe 20, and the joint pipe 10 and the hollow pipe 20 are securely stuck and fitted with each other.</p> |
