METHOD FOR MANUFACTURING GLASS SHEET, AND GLASS SHEET AND GLASS SHEET ASSEMBLY

• Main Author: NODA TAKAYUKI
• Format: Patent
• Language: Chinese; English
• Published: 07.09.2021
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METALLURGY; MINERAL OR SLAG WOOL; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; TRANSPORTING; WELDING; WORKING BY LASER BEAM

The present invention comprises a first step for preparing a glass sheet (1), and a second step for forming a through hole (2) in the glass sheet (1). In the first step, when the through hole 2 gradually enlarges toward only one side in the sheet thickness direction, a glass sheet 1 in which the ran...