US Patent Issued to McMaster University on March 31 for "Ultra soft cutting tool coatings and coating method" (Canadian Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,437, issued on March 31, was assigned to McMaster University (Hamilton, Canada).

"Ultra soft cutting tool coatings and coating method" was invented by Maryam Aramesh (Oakville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cutting tool, comprising a substrate having a cutting surface and a coating adhered to the cutting surface in a solid state, wherein the coating includes a soft metal and is capable of melting and functioning as an in-situ liquid lubricant when the cutting tool is applied in a machining operation. Also, a method of applying a coating to a cutting tool, comprising receiving a premachining workpiece, the premachining work...