| 摘要 |
PROBLEM TO BE SOLVED: To provide a hole-in anchor that may be manufactured at a low cost and enables an expansion part to be expanded by relatively small force.SOLUTION: A hole-in anchor 10 is anchored in an anchor hole 1 having a widened diameter part 4 formed at a prepared hole part 3, and includes a sleeve part 11 with an expansion part 22 on a tip side, and a bolt part 12 to be inserted into the sleeve part 11 and having a tapered part 15 for expanding the expansion part 22 at a position of the widened diameter part 4. The sleeve part 11 includes a plurality of sleeve pieces 31 divided into a plurality of parts in a circumferential direction, and a temporary fastening part 32 that temporarily fastens the plurality of sleeve pieces 31 abutted in a cylindrical form.SELECTED DRAWING: Figure 2 |
