US Patent Issued to MAYEKAWA on Nov. 4 for "Welding device for non-circular plate and producing method for non-circular plate structure" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,045, issued on Nov. 4, was assigned to MAYEKAWA MFG. Co. LTD. (Tokyo).

"Welding device for non-circular plate and producing method for non-circular plate structure" was invented by Keisuke Yamada (Tokyo), Tetsuji Terada (Tokyo), Daisuke Miyazaki (Tokyo) and Hideki Shudai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A welding device for a non-circular plate according to an embodiment includes a chuck for gripping and rotatably supporting a plurality of laminated non-circular plates, a welding torch for welding outer peripheral edge portions of the plurality of laminated non-circular plates, a stationary shield box, and a movable shield box wh...