Method to fabricate shaped laminated glass panes

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 17/10 (2006.01) C03B 23/025 (2006.01)

Patent

CA 2216312

This invention is directed to a method for manufacturing shaped laminated glass panes comprising an inner glass sheet, and intermediate layer (12) such as thermoplastic material and an outer glass sheet (10). The method comprises providing a layer of silicate water-based paint on at least a portion of a glass sheet surface which is to bear against the intermediate layer, drying the paint at moderate temperature to remove water and cure the paint, placing the glass sheets (10, 14) together so that the surfaces which are to bear against the intermediate layer are in proximity with one another and are parallel, bending the glass sheets simultaneously into a final shape at elevated temperature, and cooling the glass sheets.

Cette invention se rapporte à un procédé de fabrication de panneaux de verre feuilletés, formés, comprenant une feuille de verre interne, une couche intermédiaire (12) telle qu'une matière thermoplastique et une feuille de verre externe (10). Le procédé consiste à appliquer une couche de peinture aux silicates à base d'eau sur au moins une partie de la surface d'une feuille de verre qui doit venir contre la couche intermédiaire, à sécher la couche de peinture à température modérée afin d'en retirer l'eau et de durcir la peinture, à assembler les feuilles de verre (10, 14) de façon à ce que les surfaces devant venir contre la couche intermédiaire soient rapprochées l'une de l'autre et soient parallèles l'une à l'autre, à courber les feuilles de verre simultanément pour leur donner une forme finale à température élevée et à les refroidir.

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