| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a protection plate, which is locating above an object buried underground, to keep its posture, and to prevent the protection plate from dropping into a drilled hole when the hole is drilled in the ground adjacent to the protection plate. <P>SOLUTION: The posture holding tool for a protection plate comprises: foundation members 11a, 11b being arranged at disposed location of pipes 1,2 buried underground; erecting members 12a, 12b whose each one end is connected to prescribed points of the foundation member 11a so as to hold a separation distance between the pipes 1,2 and the protection plate 10; erecting members 12c, 12d whose each one end is connected to prescribed points of the foundation member 11b so as to hold a separation distance between the pipes 1,2 and the protection plate 10; a mounting member 13a having a stopping part on its both sides, the mounting member 13a being connected to the other end of each of the erecting members 12a, 12b so as to mount the protection plate 10; and a mounting member 13b having a stopping part on its both sides, the mounting member 13b being connected to the other end of each of the erecting members 12c, 12d so as to mount the protection plate 10. <P>COPYRIGHT: (C)2012,JPO&INPIT |
