ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,180, issued on June 2, was assigned to ArcelorMittal (Luxembourg).
"Method for preparing a precoated sheet and associated installation" was invented by Rene Vierstraete (Maisons-Laffitte, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a precoated sheet is provided. The method includes providing a precoated sheet having a metallic substrate with a precoating on at least one of its faces and removing through laser ablation at least a portion of the precoating on the at least one face of the precoated sheet in a removal zone. The ablation step is carried out in an installation. The installation includes at least one protect...