| 摘要 |
<p>PROBLEM TO BE SOLVED: To securely prevent water leakage in a joint of a joint member in a wiring box embedded in underground such as a handhole. SOLUTION: In a state that a joint member 10 in which a circular packing material 25 having elasticity such as a rubber packing is externally fitted onto a recessed groove 24 provided at the outer peripheral face of the base end opening 21 tubularly formed at both opened ends and fixedly stuck to a handhole 1 is inserted in a through hole 1A formed on the wall face of the handhole, the wiring box embedded in the underground is fixed in a state that the circular packing material 25 is coated with an adhesive S by the adhesive S filled in the joint between the through hole 1A and the outer peripheral face of the joint member 10.</p> |
