ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,548, issued on Feb. 3, was assigned to Mitsubishi Materials Corp. (Tokyo).
"Grooving tool" was invented by Takuma Kiso (Tokyo), Taichi Onoe (Tokyo) and Shota Toduka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This grooving tool includes a cutting insert, a holder, and a coolant flow path. The holder includes an insert mounting seat, and jaw parts that are disposed on an upper side and a lower side of the insert mounting seat and fix the cutting insert. The jaw part forms a curved shape as viewed from a tool distal end side, and has a thickness that is decreased as a distance from the insert mounting seat is increased. The coolant flow path ...