MANUFACTURING METHOD AND MANUFACTURING DEVICE FOR TOUGHENED GLASS

The present invention relates to a method of manufacturing tempered glass that involves bending a glass plate into a desired shape by holding the glass plate that has been heated to a predetermined temperature between a lower mold ring and an upper mold. The method includes a press-molding step of press-molding the glass plate while having a buffer member interposed between the lower mold ring and the upper mold, wherein the glass plate comes into contact with the buffer member; and a cooling step of cooling the glass plate that has been press-molded in the press-molding step, wherein the glass plate is cooled on the lower mold ring without coming into contact with the buffer member.