| 摘要 |
A manhole joint device (1) which facilitate work-execution during raining, spring water gushing out or the like, permitting work-execution to be effected with light manual work. The manhole joint device (1) comprises a first connector (6) for positioning and connecting the side wall (8) of a sewerage manhole (2) to the front end of a sewer main (3), a second connector (7) for coaxially interconnecting a rubber joint (4) and the sewer main (3), and a plurality of third bolts (13, 14) for firmly pressing the rubber joint (4) against the outer wall surface of the side wall (8) of the sewerage manhole (2). |
