ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,043, issued on July 21, was assigned to Primetals Technologies Germany GmbH (Germany).

"Rolling with minimisation of a drop in the bending force upon entry" was invented by Andreas Hollaus (Erlangen, Germany) and Matthias Kurz (Erlangen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a roll stand, the working roll inserts are pressed apart by a bending system. A base set-point value (FBB*) is supplied to a bending controller to determine a resultant set-point value (FB*). An actual value (FB) of the bending force is also supplied to the bending controller to determine a base controlled variable (SB) for the bending system so that, when th...