| 摘要 |
PROBLEM TO BE SOLVED: To provide an anchor extraction tool not to damage an external wall surface 2 in case of removing an anchor 1 to settle a problem that the anchor 1 is usually left as it is even when a falsework, an advertising signboard, etc., are removed if once it is buried in the external wall 2 of a concrete structure and that the anchor 1 corrodes with the elapse of years when it is neglected and accordingly deteriorates the external wall of the concrete structure. SOLUTION: The anchor extraction tool 10 constitutes its characteristic feature of being furnished with a male screw part 11 to be screwed on the anchor 1, an intrusion preventive part 12 extensively provided from this male screw part 11 and to prevent intrusion of the male screw part 11 to be screwed in a female screw part 12 of the anchor 1 into the hole 1 and a rod 13 having both of them 11, 12 on its head end.
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