ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,111, issued on April 8, was assigned to CITIZEN WATCH Co. LTD. (Tokyo).
"Machine tool and control method of machine tool" was invented by Ayako Kitakaze (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A machine tool and a control method for the machine tool, which determine the degree of misalignment during friction joint, are provided. The machine tool (an automatic lathe 1) includes: a first spindle 10 rotatably holding a first workpiece (a workpiece W1); a second spindle 20 arranged to face the first spindle and rotatably holding a second workpiece (a remaining workpiece W2); and a controller 40a, while rotating at least one of the first wo...