Method and device for the homogenous heating of glass and/or glass-ceramic articles using infrared radiation

US7017370B1 · kind B1 · utility

Assignee

• Schott AG · DE

Inventors

• Ulrich Fotheringham · Wiesbaden, DE
• Hauke Esemann · Wörrstadt, DE
• Markus Garsche-Andres · Stadecken-Elsheim, DE
• Bernd Hoppe · Ingelheim am Rhein, DE
• Matthias Brinkmann · Klein-Winternheim, DE
• Norbert Greulich-Hickmann · Mainz, DE

Key dates

• Filing date: Mar 22, 2000
• Grant date: Mar 28, 2006
• Expiry date: Mar 22, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03B32/00
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A method for the homogeneous heating of semitransparent and/or transparent glass and/or glass-ceramic articles using infrared radiation so that the glass and/or glass-ceramic articles undergo heat treatment at between 20 and 3000° C., notably at between 20 and 1705° C. Heating is achieved by a component of infrared radiation which acts directly on the glass and/or glass-ceramic articles and by a component of infrared radiation which acts indirectly on said glass and/or glass-ceramic articles. The radiation component indirectly acting on the glass and/or glass-ceramic articles accounts for more than 50% of total radiation output.