ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,219, issued on Sept. 1, was assigned to KENNAMETAL INC. (Latrobe, Pa.).
"Reamer for machining of through-holes" was invented by Roland Hereth (Vohenstrauss, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a reamer for machining through-holes, having a base body comprising a clamping region as well as a front-facing machining region with cutting elements, wherein the machining region comprises front-facing chip chambers and regions that are relief-ground on a circular cylindrical lateral surface defining the maximum radial dimension of the reamer in the machining region, which relief-ground regions are spaced apart fro...