ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,198, issued on June 17, was assigned to PRIMETALS TECHNOLOGIES JAPAN LTD. (Hiroshima, Japan).
"Rolling mills and rolling methods" was invented by Tatsunori Sugimoto (Hiroshima, Japan), Kenji Horii (Hiroshima, Japan), Akio Kuroda (Hiroshima, Japan), Akira Sako (Hiroshima, Japan) and Shinya Kanemori (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device 20 obtains second pressing forces acting on work-side and drive-side roll chocks 112A and 112B on the basis of entry side and exit side first pressing forces, and controls at least one of work roll position control devices 140B and 141B and at least one of work roll pressing devices 130...