An improved method of coating a cooking vessel with a heat conductive layer

摘要

965,438. Casting composite articles. ING. EMILIO LAGOSTINA S.p.A. Dec. 1, 1960 [Dec. 3, 1959], No. 41302/60. Heading B3F. An aluminium or aluminium alloy layer is pressure die-cast on to the bottom surface of a stainless steel cooking pot 10, which surfaces has been cleaned, roughened and provided with a thin layer 16 of aluminium or aluminium alloy. The stainless steel part may be preheated to a temperature of at least 150‹ C.