US Patent Issued to AUDI on June 30 for "Method for producing a workpiece threaded hole" (German Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,897, issued on June 30, was assigned to AUDI AG (Ingolstadt, Germany).

"Method for producing a workpiece threaded hole" was invented by Peter Kopton (Kosching, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a workpiece threaded hole by a tapping tool, with a drilling stroke, in which the rotating tapping tool is driven into the workpiece in a drilling direction to a nominal drilling depth, and so forming a thread-free pilot hole, and with a tap-ping stroke in which the tapping tool produces an internal thread in the pilot hole with a tapping feed rate and a tapping speed synchronized therewith. The drilling stroke is f...