C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 23/025 (2006.01) C03B 23/03 (2006.01) C03B 27/044 (2006.01) C03B 29/08 (2006.01)
Patent
CA 2088232
Abstract The invention relates to a method for bending and tempering a glass sheet. A glass sheet is supported on a ring mould during the course of heating, bending and tempering and the glass is heated for gravitational bending there- of. After a bending operation, the glass temperature is allowed to de- crease to the range of 500 - 550°C throughout, followed by increasing the overall glass temperature to a temper- ing temperature by heating as quickly and uniformly as possible.
Laakso Tapio
Lehto Esko Olavi
Vehmas Jukka Heikki
Bereskin & Parr
Tamglass Engineering Oy
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