ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,119, issued on Nov. 18, was assigned to ANDRITZ Metals Germany GmbH (Hemer, Germany).
"Shielding shoe for walking beam furnaces" was invented by Dankmar Taets von Amerongen (Ludenscheid, Germany), Boris Kofmann (Krefeld, Germany) and Maicon Piske (Duisburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The subject of the present invention is a shielding shoe for covering openings in the bottom of a walking beam furnace, the shielding shoe having a semi-circular recess and can thereby be taken up by a vertical support of the walking beam furnace. The shielding shoe consists essentially of refractory cast concrete or refractory rammed concret...