Patent · US Expired

Straight-through furnaces for heating glass sheets to bending and/or toughening temperature

US5830253A · kind A · utility

3Cited by

5References

11Claims

0Family size

Assignee

Saint-Gobain Vitrage · FR

Inventors

Hans-Werner Kuster · Aachen, DE
Werner Diederen
Carsten Bremer · Chalon-sur-Saône, FR
Wilfried Korsten · Heinsberg, DE
Hans-Josef Promper · Aachen, DE
Reiner Zanders · Würselen, DE

Key dates

Filing date	Oct 25, 1995
Grant date	Nov 3, 1998
Priority date	—
Expiry date	Oct 25, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03B35/142
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A straight-through furnace for the heating of glass sheets to their bending and/or toughening temperature is provided with a conveying system bringing the glass sheets (2) in a horizontal position through the furnace (1). The conveying system includes a series of support plates (6). The support plates (6) are each formed of a rigid frame, which is equipped in the manner of a drum skin with a heat-resistant membrane (8) as the support surface for the glass sheet (2).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.