| 摘要 |
PROBLEM TO BE SOLVED: To provide a conduit tube joint used for a wave-shaping conduit tube successively having projecting portions and trough portions, being coupled by a single motion, and preventing a cap nut from being tightened to a joint body too much or loosening. SOLUTION: This conduit tube joint comprises the joint body 5, a rubber packing, the cap nut, and a stopping collar 7. A projecting portion 13 having a taper surface increasing tilt along a cap nut tightening direction is provided on an outer peripheral surface in a center part side from a screw portion 9 of the joint body 1, and a taper surface 16 increasing tilt along the cap nut tightening direction and a stepped portion abutting on the projecting portion of the joint body by rotating in a loosening direction are provided on an inner peripheral surface of the cap nut. A tool insertion port 18 for tool and for elastically deforming a part of the cap nut in a radius direction so as to release abutting of the projecting portion of the joint body 5 and the stepped portion of the cap nut is provided near the stepped portion. |
