US Patent Issued to NINGBO BOWAY ALLOY HIGHTECH WIRE on June 30 for "Electrode wire for electrical discharge machining and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,898, issued on June 30, was assigned to NINGBO BOWAY ALLOY HIGHTECH WIRE Co. LTD (Ningbo, China).

"Electrode wire for electrical discharge machining and preparation method thereof" was invented by Tong Wu (Ningbo, China), Xiaoqi Luo (Ningbo, China), Zhining Liang (Ningbo, China), Huogen Lin (Ningbo, China) and Yibo Chen (Ningbo, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrode wire includes a brass core, a Cu-Zn alloy layer coated on the brass core, and a surface layer. The surface layer includes CuO, ZnO, Cu2(OH)2CO3, and a Cu-Zn intermetallic compound. The surface layer is in the shape of particles or sheets spaced apart on the Cu...