US Patent Issued to SUBARU on Dec. 16 for "Rotary cutting method" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,643, issued on Dec. 16, was assigned to SUBARU Corp. (Tokyo).

"Rotary cutting method" was invented by Kinue Ito (Tokyo), Kenji Murai (Tokyo), Shinichi Yajima (Tokyo) and Takashi Sugimoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary cutting method includes producing a processed product by rotary cutting of a workpiece by a rotary tool. The rotary tool has at least one cutting edge of which both of a first rake angle in a rotation radial direction and a second rake angle in a rotation axis direction are negative. The at least one cutting edge has a slanted face connected with a rake face forming the first and second rake angles. The ...