Process and device for bending and tempering by contact

US5053069A · kind A · utility

Assignee

• Saint-Gobain Vitrage International · FR

Inventors

• Luc Vanaschen · Eupen, BE
• Hans-Werner Kuster · Aachen, DE
• Benoit D'Iribarne · Aachen, DE
• Hans-Josef Promper · Aachen, DE
• Rene Gy · Bondy, FR

Key dates

• Filing date: Jun 22, 1990
• Grant date: Oct 1, 1991
• Expiry date: Jun 22, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03B40/005
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

Glazings are preshaped before putting them through a step of tempering by contact. In a preferred variant, tempering by contact is applied only the central area of the glazing and the marginal zone thereof is tempered by blowing cold air.