ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,939, issued on Feb. 17, was assigned to AMADA Co. LTD. (Kanagawa, Japan).
"Bending method" was invented by Hidekatsu Kawasaki (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bending method utilizes a die including a V-groove at an upper part thereof, and a punch including a first surface and a second surface at a workpiece pressing portion. In a state of being mounted on an upper table of a press brake, the first surface is parallel to a first groove wall surface of the die mounted on a lower table. An angle formed between the second surface and a perpendicular plane is different from an angle formed between a second groove wall su...