| 摘要 |
<p>PROBLEM TO BE SOLVED: To easily adjust a pipe line length, of a temporary pipe line. SOLUTION: This adjusting device is constituted of a sheath pipe 1 formed with one as a connection part and the other as a sheath part provided with a flange part 14 in an end edge, adjusting pipe 2 able to be inserted in the sheath part to be formed in a multi-step with an adjusting recessed groove 22 in a peripheral part to be provided with the connection part in one end side, connection ring unit 3 in shape corresponding to a flange part 14 and divided into circular arc shape, and a connection member connecting the flange part 14 and the connection ring unit 3. The adjusting pipe 2 is inserted in the sheath part of the sheath pipe 1, the connection ring unit 3 is externally fitted to the adjusting recessed groove 22, the connection ring unit 3 and the flange part 14 are strongly connected by the connection member.</p> |
