Coating for tools used to process heat treated glass

US6742362B1 · kind B1 · utility

Assignee

• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Rainer Gadow · Aschau am Inn, DE
• Jochen Brand · Braunschweig, DE
• Andreas Killinger · Echterdingen, DE

Key dates

• Filing date: Apr 5, 2001
• Grant date: Jun 1, 2004
• Expiry date: Apr 5, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31678
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The invention relates to a coating for tools that are used to process heat treated glass, e.g., molten glass or the like, to reduce the adhesion of said glass. The coating consists at least partially of a system of carbon-based layers and/or hard materials containing carbon.