| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pipe joint tool capable of providing, on the pipe, a second flange portion retainable in a condition joining with a first flange portion provided on a connecting pair of the pipe by a quick fastener while constraining the pipe from lowering strength, and to provide a pipe connecting structure. <P>SOLUTION: The pipe connecting structure fixes a female sleeve 40 provided with a first flange 44 on an exterior to the connecting pair F1 and on the other hand, inserts a latch ring 10 provided with a second flange 12 on an exterior into the exterior of the pipe 90 and forms a large diameter portion 91 by enlarging the diameter and deforming tip end of the pipe 90 and simultaneously prevents the latch ring 10 from coming off by latching it to a step part of basic end side of the larger diameter portion 91 and furthermore provides a male sleeve 20 fitted in inside of the large diameter portion 91 and joins the first and second flanges 44, 12 by fitting the large diameter portion 91 of the pipe 90 into inside of the female sleeve 40 along with the male sleeve 20 and retains the first and second flanges 44, 12 by the quick fastener 60 in a joining state. <P>COPYRIGHT: (C)2013,JPO&INPIT |
