PROBLEM TO BE SOLVED: To provide fixation hardware, fixable to irregular-shaped bar steel, without using an exclusive machine.;SOLUTION: The fixation hardware comprises a pair of substantially semi-cylindrical couplers for covering an almost half by an almost half among the circumferential total length in an outer peripheral surface of an irregular-shaped bar steel tip part, a taper sleeve for forming an inner taper part on an inner surface to be fitted to its outer surface side so that the pair of couplers hold a cylindrical shape, and a fastening nut for pushing the taper sleeve inside, and the fastening nut comprises a fixation part on an outer surface, and comprises a female screw part on an inner surface, and the pair of couplers of becoming a cylindrical shape comprise a node groove fitted to a node of the irregular-shaped bar steel on the inner surface, and the outer surface comprises an outer taper part corresponding to an inner taper part and diametrically reducing toward the tip direction of the irregular-shaped bar steel and a male screw part formed in a tip side position relative to the outer taper part and threadedly engaging the fastening nut.;COPYRIGHT: (C)2015,JPO&INPIT
展开▼
