ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,438, issued on Aug. 26, was assigned to ArcelorMittal (Luxembourg).
"Process for manufacturing a press hardened laser welded steel part" was invented by Pascal Drillet (Rozerieulles, France), Maria Poirier (Villers Saint-Paul, France) and Sujay Sarkar (Metz, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for manufacturing a press hardened laser welded steel part, includes providing at least one first steel sheet with a composition containing, by weight 0.062less than equal toCless than equal to0.095%, the at least one first steel sheet precoated with a metallic precoating of aluminum, or aluminum-based alloy, or aluminum alloy. prov...