ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,302, issued on Nov. 4, was assigned to AB Sandvik Coromant (Sandviken, Sweden).
"Method of treating a coated cutting tool" was invented by Warka Slaiwa (Stockholm), Nima Zarif Yussefian (Stockholm) and Gabriel Paulsrud (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of treating a coated cutting tool using laser shockpeening (LSP) is provided. The coated cutting tool includes a substrate and a coating, wherein the substrate is of cemented carbide or cermet. The coating includes a CVD layer and/or a PVD layer. The method includes the step of applying LSP to at least a portion of the cutting tool, wherein the LSP energy density is wit...