A glass plate includes a first surface and a second surface that is opposite to the first surface. The first surface is provided with a convex portion. The first surface is provided with a protruded plane protruding from the first surface. A distance from the first surface to the protruded plane is greater than or equal to a distance from the first surface to a tip of the convex portion.
ガラス板及びガラス構造体
2021-01-20
Patent
Elektronische Ressource
Japanisch
IPC: | C03B Herstellung oder Formgebung von Glas, Mineral- oder Schlackenwolle , MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS |