| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a manhole joint, which is used by connection to the side wall of a manhole or the like, the joint itself of which does not slip off from the manhole side wall even when abnormal axial load is burdened to the joint and which has the functions of the excellent watertightness and adhesion of a connecting section. SOLUTION: In the manhole joint used by connection to the side wall of the manhole or the like, a projection projected to the outside partially or extending over the whole circumference is formed to the outer circumferential surface of the joint body buried into the manhole side wall and a water- expensive rubber sheet is wound on the outer circumferential surface of the joint body.</p> |
