| 摘要 |
PROBLEM TO BE SOLVED: To provide a water level adjusting device in a renovation pipe that is used when making a renovation pipe by winding around a belt-like body in a spiral shape, and in which buoyancy acting to the renovation pipe can be controlled without depending on a water flowing state of an existing pipe.SOLUTION: A water level adjusting device 1 of a renovation pipe according to the present invention is the water level adjusting device 1 in the renovation pipe in which a belt-like body is inserted in an existing pipe performing revolution while being performed by pipe making to be wound around in a spiral shape, and includes: a partition device 11 in which an inside and an outside of the renovation pipe S is partitioned in a pipe axial direction; and a water discharge device 22 that performs water absorption of water in the renovation pipe from a water absorption port 21a, and performs water discharge to an outside, and moreover height of the water absorption port 21a from a bottom of the renovation pipe S is preferably maintained without relating to a revolution position of the renovation pipe S. |
