| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a connection construction for cable protecting tubes which is attachable and detachable easily and capable of maintaining watertightness also, and deals with various arrangements and positions of connection. SOLUTION: A through hole H is bored in a panel 15, and the inserting cylinder 27 of the tip of a cable protecting tube 12 is inserted into the through hole H from the outside of a handhole 11. An internal cylinder 31 is arranged so as to be concentric with the put-into inserting cylinder 27 inside the handhole 11, and the male screw 28 of the inserting cylinder 27 is screwed into the female screw 35 of the internal cylinder 31. Then, a first flange 25 and a second flange 32 approach relatively, and are brought into contact with the peripheral brim of the through hole H from the inside and outside of the panel 15, and the through hole H is stopped up.</p> |
