C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 23/03 (2006.01) C03B 23/025 (2006.01) C03B 23/035 (2006.01)
Patent
CA 2143650
A method for bending a sheet of glass heated to a bending temperature in a horizontal furnace through which it is conveyed by a plane conveyor delivering the glass sheet to a bending cell heated to substantially the same temperature as the bending temperature. A concave annular recessed portion moves the glass sheet vertically towards a solid convex projecting portion within the cell, so that the sheet is squeezed between the concave and convex portions. A device for carrying out the method and its use for producing glazing with a particularly complex shape are also disclosed.
L'invention a pour objet un procédé de bombage d'une plaque de verre chauffée à température de bombage dans un four horizontal qu'elle traverse véhiculée par un convoyeur plan qui la conduit dans une cellule de bombage, où est maintenue une température ambiante sensiblement identique à la température de bombage, et dans laquelle est disposée une forme mâle pleine convexe en direction de laquelle la plaque de verre est déplacée verticalement, au moyen d'une contreforme femelle annulaire concave, pour être pressée entre la forme mâle et la forme femelle. L'invention a également pour objet un dispositif pour la mise en oeuvre de ce procédé et son application à l'obtention de vitrages de forme particulièrement complexe.
Goudreau Gage Dubuc
Saint Gobain Vitrage
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