A MECHANICAL COUPLER FOR REINFORCING BARS IS MADE OF A SLEEVE DIVIDED INTO TWO HALVES SPLIT ALONG ITS LONGITUDINAL AXIS. EACH HALF IS GROOVED (BEING A ‘FEMALE’) ALONG ITS INNER SURFACE TO MATCH WITH THE DEFORMATIONS ‘MALE1 ON THE REINFORCING BARS. THE SLEEVE IS ADOPTED TO CONNECT THE ENDS OF THE TWO REINFORCING BARS IN WHICH THE DEFORMATIONS OF THE REINFORCING BARS ‘MALE’ FITTED INTO THE GROOVES ‘FEMALE’ MADE IN THE INNER SURFACE OF THE SLEEVE. MEANS FOR CLOSING THE TWO HALFS IN ORDER TO MAKE THE SLEEVE WITH THE BARS CONNECTION BEHAVING AS A ONE UNIT ARE PRESENTED. THE SLEEVE PARTS CAN BE MANUFACTURED USING CASTING OR FORGING OR ROLLING METHODS
