US Patent Issued to SMS group on April 15 for "Device and method for handling mandrel rods in a tube rolling mill" (Italian, German Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,047, issued on April 15, was assigned to SMS group GmbH (Dusseldorf, Germany).

"Device and method for handling mandrel rods in a tube rolling mill" was invented by Walter Kirchner (Viersen, Germany), Paolo Marin (Vigevano, Italy) and Patrizio Rinaldi (Bareggio, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for handling mandrel rods in a rolling plant for rolling seamless tubes comprises an inserter. The inserter moves a mandrel rod in a rolling direction such that the mandrel rod, starting from an initial state, is pushed into a tube blank situated upstream of the mandrel rod. A retaining device has a fixing unit that is movable along...