Method and apparatus for heating sheets of glass

Details Method and apparatus for heating sheets of glass Method and apparatus for heating sheets of glass

C - Chemistry, Metallurgy

03

B

C03B 29/08 (2006.01) C03B 27/012 (2006.01) C03B 35/16 (2006.01)

Patent

CA 2579525

Sheets of glass (3) are heated in a tempering furnace. The furnace comprises rollers (2) to carry and transfer the glass sheets (3). During the heating, the glass sheets (3) are oscillated, i.e. they are moved back and forth, by means of the rollers (2). The rollers (2) are controlled by a control device (6). The control device (6) is used for configuring a first turning point of oscillation (t1) to take place more than 20 seconds after a starting time of heating (t0).

Selon l'invention, des feuilles de verre (3) sont chauffées dans un four de trempe. Le four comprend des rouleaux (2) destinés au transport et au transfert des feuilles de verre (3). Au cours du chauffage, les feuilles de verre (3) sont amenées à osciller, c'est-à-dire qu'elles sont déplacées en avant et en arrière, au moyen des rouleaux (2). Les rouleaux (2) sont commandés par un dispositif de commande (6). Le dispositif de commande (6) est utilisé pour configurer un premier point de changement de direction d'oscillation (t1) afin qu'il se produise plus de 20 secondes après un début de chauffage (t0).

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