Skip to Content
Find More Like This
Return to Search

Oven rack having integral lubricious, dry porcelain surface

United States Patent

June 3, 2014
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A lubricious glass-coated metal cooking article capable of withstanding repeated heating and cooling between room temperature and at least F. without chipping or cracking the glass coating, wherein the glass coating includes about 0.1 to about 20% by weight of a homogeneously distributed dry refractory lubricant material having a particle size less than about 200 .mu.m. The lubricant material is selected from the group consisting of carbon; graphite; boron nitride; cubic boron nitride; molybdenum (FV) sulfide; molybdenum sulfide; molybdenum (IV) selenide; molybdenum selenide, tungsten (IV) sulfide; tungsten disulfide; tungsten sulfide; silicon nitride (Si.sub.3N.sub.4); TiN; TiC; TiCN; TiO.sub.2; TiAlN; CrN; SiC; diamond-like carbon; tungsten carbide (WC); zirconium oxide (ZrO.sub.2); zirconium oxide and 0.1 to 40 weight % aluminum oxide; alumina-zirconia; antimony; antimony oxide; antimony trioxide; and mixtures thereof.
Ambrose; Jeffrey A. (Evansville, IN), Mackiewicz-Ludtka; Gail (Oak Ridge, TN), Sikka; Vinod K. (Oak Ridge, TN), Qu; Jun (Knoxville, TN)
SSW Holding Company, Inc. (Fort Smith, AR)
12/ 301,718
May 24, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH The United States Government has certain rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.