ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,498, issued on Sept. 23, was assigned to Broetje-Automation GmbH (Rastede, Germany).
"Device and method for producing preforms" was invented by Erik Berg (Oldenburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for producing preforms for aircraft structural components, wherein the device has a supply unit, which is designed to supply a layered structure having at least one material ply of a thermally activatable, flexible fiber composite material, together with a protective film arranged in each case on at least one outer side of the layered structure, wherein the device has at least one shaping unit, which is arranged downstream...