ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,559, issued on Sept. 2, was assigned to DANOBOT S. COOP (Elgoibar, Spain).
"Machine tool for grinding discs" was invented by David Barrenechea Azpeitia (Elgoibar, Spain) and Luis Conde Decimavilla (Elgoibar, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and machine tools for grinding discs. The machine tool comprises two grinding units with respective grinding spindles on which grinding wheels are arranged and a disc unit that comprises a disc spindle on which the disc to be grinded is arranged. The rotation axes of the grinding spindles are perpendicular to the disc spindle rotation axis. The grinding wheels comprise respective grind...