| 摘要 |
PROBLEM TO BE SOLVED: To provide an anchor bolt capable of securing the length of a female screw for threading a screw shaft joined to the anchor bolt even if the buried length is small and suitable for a PC concrete board and an installation tool for installing the anchor bolt. SOLUTION: This anchor bolt 1 comprises an anchor body 10 at the end of which an enlarged part 12 with a slit 11 is formed, on the base end inner peripheral surface of which the female screw 13 is formed, and in the tubular body of which an enlarged cone 14 is inserted and a conical washer 20 formed in a bevel shape in cross section. In the conical washer 20, a through hole 21 in which the anchor body 10 is allowed to fit is formed at the center. The anchor body 10 is inserted from the through hole 21 of the conical washer 20 toward the inside of the bevel shape. The enlarged part 12 of the anchor body 10 projects from the washer skirt part of the conical washer 20. COPYRIGHT: (C)2008,JPO&INPIT
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