| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a connecting part of a cover installed on a communication line supported on a suspension wire of a wire cable through a cable hanger from slipping out by impact or the like. SOLUTION: In a protective cover C for a communication line, a ring inserting hole 10 is arranged in an outside upper part close to the tip of a joint pipe 4, and a ring through hole 11 is bored in a lower end protrusive piece 8 so as to be opposed to the ring inserting hole 10, and a grip 12 is arranged on the joint pipe 4 in its upper part, and in a lower end protrusive piece 7 on the goose-necked protrusion 3 side peripherally arranged on a main body pipe 1, a ring through hole 13 is bored in a position to communicate with the ring through hole 11, on the one hand, a fastening ring 14 fitted to and installed on the joint pipe 4 is formed in a circular arc shape coincident with an outer diameter, and a lug piece is protrusively arranged on the outside of its lengthwise directional almost intermediate position, and an outward bending stopper piece is formed on one end, and expansive opening of the respective protrusive pieces 7 and 8 is checked, and connection of a fitting inserting pipe part 2 and the joint pipe 4 is made unseparable.</p> |
