METHOD FOR FORMING THE FOUR CURVED SURFACE OF A GLASS PLATE CAPABLE OF EASILY MANUFACTURING THE GLASS PLATE WITHOUT DEFECTS

摘要

PURPOSE: A method for forming the four curved surfaces of a glass plate is provided to form natural curved surfaces on four sides of the glass plate by adjusting temperatures of a heating furnace and a supporting frame and post-treating the glass plate with curved surfaces.;CONSTITUTION: A method for forming the four curved surfaces of a glass plate includes the following: The lower edge of a glass plate(10) is loaded on the upper side of a supporting frame(20) and is introduced into a heating furnace(30) at the room temperature. The inside of the heating furnace is heated to a temperature between 700 and 800 degrees Celsius. The supporting frame is directly heated to a temperature between 630 and 750 degrees Celsius. When the temperature in the heating furnace is reached to a temperature between 300 and 400 degrees Celsius, the upper edge of the glass plate is in contact with the lower side of a guiding frame(31) installed on the upper side of the heating furnace. The glass plate and the supporting frame is introduced into a second heating furnace(40). A cooling process of the glass plate is followed.;COPYRIGHT KIPO 2012