| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a joint device capable of easily connecting pipes with flange at optional fixing angle (swing angle) without use of specific tools in construction side. SOLUTION: A joint device of pipes with flange 1 comprises a fixing tool 20 and a fastening tool, and the fixing tool 20 has a groove 21 capable of interposing the outer circumferential edge of a butted flange 2, and the fastening tool comprises a circular winding part 31 spanning on the specified number of fixing tools 20 arranged with the groove 21 at the outer circumferential edge of the flange 2 and a fastening part for fastening the winding part 31 so as to shrink the diameter.</p> |
