ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,880, issued on Oct. 14, was assigned to JFE STEEL Corp. (Tokyo).
"Method of determining tension pattern and method of coiling steel sheet" was invented by Ryuichi Suehiro (Tokyo), Naoki Watanabe (Tokyo) and Ryosuke Watanabe (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are methods that can prevent either or both of kinking and collapsing of a steel sheet coiled in coil form regardless of the characteristics of the steel sheet. A method of determining a tension pattern of tension applied to a steel sheet to coil the steel sheet in coil form comprises calculating the tension pattern using an apparent elastic modulus in a radial direct...