Nonporous keatite glass ceramic support plate for transporting products during heat treatment, method of making same and method of transporting products therewith

US7056848B2 · kind B2 · utility

Assignee

• Schott AG · DE

Inventors

• Otmar Becker · Langen, DE
• Bernd Ruedinger · Wörrstadt, DE
• Gerhard Hahn · Allenfeld, DE
• Michael Bug · Floh-Seligenthal, DE
• Andreas Schminke · Weiterstadt, DE
• Fritz Schroeder · Houston, US
• Klaus Schönberger · Mainz, DE
• Erich Rodek · Mainz, DE
• Friedrich Siebers · Nierstein, DE
• Rainer Best · Albig, DE

Key dates

• Filing date: Jun 21, 2002
• Grant date: Jun 6, 2006
• Expiry date: Dec 23, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/80
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The support plate for transporting products during thermal treatment at firing temperatures is a nonporous keatite glass ceramic supporting member without a glassy surface layer. It has a nubby structure on an underside thereof and preferably C-shaped rounded edges. A method of making the keatite glass ceramic supporting member is described.