ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,546, issued on Nov. 18, was assigned to SMS group GmbH (Duesseldorf, Germany).
"Drawing machine, drawing method and drawing mandrel" was invented by Hardy Jungen (Moenchengladbach, Germany), Ulf Serode (Moenchengladbach, Germany) and Karl Thoelke (Kempen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide methods, apparatuses and drawing mandrels in which the shaping process can be monitored as closely as possible, a drawing machine and a drawing method manufactures or processes tubes, which extend in the direction of longitudinal extent, from a semi-manufactured product, wherein the drawing machine includes a drawing device for drawi...