| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To facilitate a repair work for imparting a function of a weep hole to enhance the durability of a repair material when repairing a joint of a water passage without requiring complicated work. <P>SOLUTION: A joint repair material 1 includes: a repair material body 10 which is formed so as to cover a water leakage part of a joint from the inside of a water passage, and which is made of a waterproof sheet fixed on an inner surface of a water passage constitution member B; and valve means 20 connected to a water passing hole 11 formed penetrating through the repair material body 10. The valve means 20 is formed by stacking sheet materials 21, 22, which is made of a waterproof sheet, in the thickness direction. A communication hole 21a communicating with the water passing hole 11 is formed penetrating through the sheet material 21. The sheet material 21 is superimposed and fixed on the repair material body 10 in the thickness direction. The sheet material 22 has a fixation portion 22a fixed at a part of the outer circumferential side than the communication hole 21a in the sheet material 21 and a movable drain part 22b separably superimposed on a portion of the outer circumferential side in the sheet material 22. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
