REINFORCING BAR JOINT FOR COUPLING DEFORMED BARS AND THREADING METHOD FOR JOINT OF DEFORMED BARS

摘要

PURPOSE: A reinforcing bar joint for coupling deformed bars is provided to couple with reinforcing bars completely and to restrain the transformation on materials when threading a reinforcing bar joint. CONSTITUTION: The reinforcing bar joint for coupling deformed bars comprises: a cylindrical screw part(11) provided with a female screw(12) formed inward; and a spreading part(17), whose inside diameter is larger than the inside diameter of the screw part(11), extended from one end of the screw part(11).