FRAME FOR BENDING SHEETS OF GLASS WITH REDUCED TENSILE STRESS

The invention relates to a frame (30) for the gravity bending of sheets of glass, comprising a support track (31) for supporting the peripheral region of the glass, said track being in the form of a ring when seen from above, and comprising an insulating material (32) disposed so as to face the peri...

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Bibliographic Details
Main Authors GRANDJEAN, Léa, FREBOURG, Philippe, BERARD, Stéphane, MACHURA, Christophe
Format Patent
LanguageEnglish
French
Published 06.01.2022
Subjects
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Summary:The invention relates to a frame (30) for the gravity bending of sheets of glass, comprising a support track (31) for supporting the peripheral region of the glass, said track being in the form of a ring when seen from above, and comprising an insulating material (32) disposed so as to face the peripheral region of the glass inside the ring formed by said track. The invention brings about a reduction in the maximum value of tensile stress in the peripheral region of the glass. L'invention concerne un cadre (30) de bombage par gravité de feuilles de verre, comprenant une piste de support (31) de la zone périphérique du verre, ladite piste étant en forme d'anneau vue de dessus, et comprenant un matériau isolant (32) disposé pour faire face à la zone périphérique du verre intérieure à l'anneau formé par ladite piste. L'invention procure une réduction de la valeur maximale de contrainte d'extension en zone périphérique du verre.
Bibliography:Application Number: WO2021EP67282