ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,233,466, issued on Feb. 25, was assigned to KYOCERA Corp. (Kyoto, Japan).
"Cermet insert and cutting tool provided with cermet insert" was invented by Ayano Negishi (Otsu, Japan) and Ryoma Nomiyama (Satsumasendai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cermet insert includes a first surface, a second surface, a cutting edge, a third surface located opposite to the first surface, and a through hole extending from the first surface to the third surface. An inner wall constituting the through hole has, at least in a center portion, a binder-phase-rich layer having a higher binder phase content than an interior of the base. A thickness T1 of...