HEAT-TREATMENT METHOD AND MOLDING METHOD OF GLASS PLATE

摘要

PROBLEM TO BE SOLVED: To provide a glass plate heat-treatment method capable of preventing a flow from arising in an original glass plate at the time of heat-treatment of the glass plate.SOLUTION: A glass plate heat-treatment method for heat-treating an original glass plate 1 to be shrunken by a heat treatment is characterized by comprising: the step of placing, over a setter 11, a lower glass plate 13 to shrink in accordance with a heat treatment and an original glass plate 1 arranged over the lower glass plate 13; and the step of heating the original glass plate 1 and the lower glass plate 13.SELECTED DRAWING: Figure 1