ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,653, issued on Oct. 21, was assigned to Bayerische Motoren Werke AG (Munich).
"Method and mold for producing a sandwich component" was invented by Willy Dauner (Gersthofen, Germany) and Martin Schindlbeck (Neufahrn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and compression mold are provided for producing a sandwich component, in which an outer shell and an inner shell are compressed, together with foam particles in a cavity between the shells, which cavity is formed by two mold halves of a mold, under pressure and at an increased temperature to form the sandwich component. At least one mold half is heated in a first temperature...