The glass sheets (1,2) are placed in a ring (7a) that is on a movable bending ring holder (3), and ring holder is moved to a furnace. The glass sheet is heated to softening temperature and is pre-bent to 5-50% of edge final bend. The glass sheet is raised by a suction device (5) and bent by ring. The minimum distance is maintained between the glass sheet and an air baffle in suction device. The glass sheet is placed in a bending ring (7b) and bent by heat radiation. The glass sheet is raised from bending ring (7b) and pressed in a counter-mold (16), and then cooled. An independent claim is included for device for bending glass sheet.
VERFAHREN UND VORRICHTUNG ZUM BIEGEN VON SCHEIBEN
METHOD AND DEVICE FOR BENDING SHEETS
PROCÉDÉ ET DISPOSITIF DE CINTRAGE DE VITRES
2018-01-24
Patent
Elektronische Ressource
Deutsch
IPC: | B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / C03B Herstellung oder Formgebung von Glas, Mineral- oder Schlackenwolle , MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL |
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