US Patent Issued to GODO STEEL on Feb. 24 for "Coupler for threaded reinforcing bar and threaded reinforcing bar including the coupler" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,944, issued on Feb. 24, was assigned to GODO STEEL LTD. (Osaka, Japan).

"Coupler for threaded reinforcing bar and threaded reinforcing bar including the coupler" was invented by Naoaki Sunayama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coupler includes one main cylinder, and two sub-cylinders. A hole in an axial direction formed in the inside of the main cylinder is a through hole to which a thread of the reinforcing bars is screwed, and outer peripheral screws are formed in the outer peripheries of the right and left half bodies of the main cylinder. The screws have pitches that are different from a screw pitch P4 of the thread of the...