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1. WO2021158808 - AUTOMOTIVE GLASS STRUCTURE HAVING FEATURE LINES AND RELATED METHOD OF MANUFACTURE

Publication Number WO/2021/158808
Publication Date 12.08.2021
International Application No. PCT/US2021/016644
International Filing Date 04.02.2021
IPC
C03B 23/023 2006.1
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
23Re-forming shaped glass
02Re-forming glass sheets
023by bending
C03B 23/03 2006.1
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
23Re-forming shaped glass
02Re-forming glass sheets
023by bending
03by press-bending between shaping moulds
C03B 23/035 2006.1
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
23Re-forming shaped glass
02Re-forming glass sheets
023by bending
035using a gas cushion or by changing gas pressure, e.g. by applying vacuum
CPC
C03B 23/0235
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
23Re-forming shaped glass
02Re-forming glass sheets
023by bending
0235involving applying local or additional heating, cooling or insulating means
C03B 23/0307
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
23Re-forming shaped glass
02Re-forming glass sheets
023by bending
03by press-bending between shaping moulds
0307Press-bending involving applying local or additional heating, cooling or insulating means
C03B 23/0357
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
23Re-forming shaped glass
02Re-forming glass sheets
023by bending
035using a gas cushion or by changing gas pressure, e.g. by applying vacuum ; or blowing for supporting the glass while bending
0352by suction or blowing out for providing the deformation force to bend the glass sheet
0357by suction without blowing, e.g. with vacuum or by venturi effect
Applicants
  • TESLA, INC. [US]/[US]
Inventors
  • GOUGOUSSIS, Christos
  • SWENEY, William S.
  • MOTTSMITH, Rosemary
  • PILLIOD, Michael
  • HAMEL, Gregoire
Agents
  • FULLER, Michael L.
Priority Data
62/971,10306.02.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) AUTOMOTIVE GLASS STRUCTURE HAVING FEATURE LINES AND RELATED METHOD OF MANUFACTURE
(FR) STRUCTURE DE VERRE AUTOMOBILE PRÉSENTANT DES LIGNES CARACTÉRISTIQUES ET PROCÉDÉ DE FABRICATION ASSOCIÉ
Abstract
(EN) Automotive glass structures having curves and feature lines and methods for forming the same are provided. An example method includes applying localized heat (e.g., via a laser, heating element) to a location of a substantially planar glass structure and bending the glass structure at that location (e.g., along a line of the planar glass structure) to form a feature line in the glass structure. The bending can be formed to have a radius of curvature of between 2 mm and 5 cm. Additional layers of curved or joined glass layers may further be included to form a curved multi-layer glass structure for automotive use.
(FR) L'invention concerne des structures de verre automobile présentant des courbes et des lignes caractéristiques et leurs procédés de formation. Un procédé donné à titre d'exemple consiste à appliquer de la chaleur localisée (par exemple, par l'intermédiaire d'un laser, d'un élément chauffant) à un emplacement d'une structure de verre sensiblement plane et plier la structure de verre à cet emplacement (par exemple le long d'une ligne de la structure de verre plane) pour former une ligne caractéristique dans la structure de verre. La courbure peut être formée de façon à avoir un rayon de courbure compris entre 2 mm et 5 cm. Des couches supplémentaires de couches de verre incurvées ou jointes peuvent en outre être incluses pour former une structure de verre multicouche incurvée pour une utilisation automobile.
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