ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,655, issued on Dec. 30, was assigned to AB Sandvik Coromant (Sandviken, Sweden).
"Cutting tool" was invented by Andreas Blomqvist (Stockholm), Jose Luis Garcia (Stockholm) and Erik Holmstrom (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cutting tool includes a substrate of cemented carbide having hard constituents in a metallic binder. The hard constituents include WC. The WC content in the cemented carbide is 80-95 wt %. The cemented carbide has a Fe+Ni+Co+Cr content of 3-13 wt %, an atomic ratio of 0.05greater thanFe/(Fe+Ni+Co+Cr)greater than0.35, an atomic ratio of 0.05greater thanNi/(Fe+Ni+Co+Cr)greater than0.35, an atomic ratio of...