US Patent Issued to BEIJING ZHONG KE SAN HUAN HI-TECH on May 20 for "Fine grain rare earth alloy cast strip, preparation method thereof, and a rotary cooling roll device" (Chinese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,265, issued on May 20, was assigned to BEIJING ZHONG KE SAN HUAN HI-TECH Co. LTD. (Beijing).

"Fine grain rare earth alloy cast strip, preparation method thereof, and a rotary cooling roll device" was invented by Wei Zhu (Beijing), E Niu (Beijing), Zhian Chen (Beijing), Xuanzhang Ye (Beijing), Fei Du (Beijing), Zhan Wang (Beijing), Xiaolei Rao (Beijing) and Boping Hu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An alloy cast strip preparation method includes a melting process and a casting cooling process. The melting process includes controlling a power of an induction melting furnace to perform a cyclic heat treatment to completely melt ...