| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a duct sleeve that can be housed compactly in a hand hole, without increasing the manufacturing cost and is favorable in appearance. SOLUTION: The duct sleeve 10 is used for joints of power cable protecting tubes 2 and 2. The dust sleeve 10 includes a socket portion 10f provided with a rubber ring receiving portion 10e which is increased in diameter, so that the end of the power cable protecting tube 2 can be inserted there and into which an annular sealing member 11 made of rubber material and having substantially the same diameter is inserted by sliding it from the end of the duct sleeve 10 toward the interior of the tube, and the outer face portion 16 provided on the surface with a plurality of holes 17 and 17, so as to enhance adhesion to the hand hole 5.</p> |
