GLASS PLATE HEATING METHOD, AND HEATING FURNACE

摘要

It is possible to effectively give heat to a glass sheet and to finely control a heat distribution in a glass surface. There are provided a step for putting a glass sheet in a heating furnace 10, and a step for bringing electric heater assemblies 40C and 40D close to the glass sheet, the electric heater assemblies having plural heater elements, wherein the respective heater elements are independently controlled.