US Patent Issued to Hefei University of Technology on Sept. 30 for "Electrically-assisted tooth-shaped rolling process and device for preparing gradient ultrafine-grained sheet" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,561, issued on Sept. 30, was assigned to Hefei University of Technology (Hefei, China).

"Electrically-assisted tooth-shaped rolling process and device for preparing gradient ultrafine-grained sheet" was invented by Siliang Yan (Hefei, China), Lanqing Yang (Chongqing, China), Xiaoli Zhang (Hangzhou, China), Miao Meng (Hefei, China), Yuhong Gong (Jinzhong, China) and Kemin Xue (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrically-assisted tooth-shaped rolling process and device for preparing a gradient ultrafine-grained sheet is provided. A rib-forming pressure roller, a rib-flatting pressure roller and a straightening pressure...