US Patent Issued to SUMITOMO ELECTRIC HARDMETAL on Oct. 21 for "Cutting insert and method of manufacturing cutting insert" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,537, issued on Oct. 21, was assigned to SUMITOMO ELECTRIC HARDMETAL CORP. (Itami, Japan).

"Cutting insert and method of manufacturing cutting insert" was invented by Gaku Harada (Itami, Japan), Satoru Hirao (Itami, Japan) and Ikurou Itohara (Itami, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cutting insert includes a substrate and a cutting-edge insert. The substrate has, in a thickness direction of the substrate, a bottom surface, and a top surface opposite to the bottom surface. The top surface has a polygonal shape composed of a plurality of sides in a plan view as seen along the thickness direction. The top surface is provided with a ...