Patent ID: 8356492

Claim:
A glass manufacturing method for mass-producing glass with a glass melting furnace, said glass melting furnace comprising: a melting tank, at least a wall surface in contact with molten glass thereof being made of refractory material; at least one pair of electrodes placed so as to be in contact with said molten glass held in said melting tank for ohmically heating said molten glass held in said melting tank; and at least one metallic member, at least a surface of which is made of metal and placed so as to be substantially always in contact with said molten glass held in said melting tank; wherein: every one of said at least one metallic member is, when said melting tank is filled with said molten glass, placed so as to be substantially always outside an electric current flowing region which is formed by said at least one pair of electrodes into said molten glass held in said melting tank; and the electric current flowing region comprises: a first region in which a pair of the electrodes are immediately opposed to each other; and a second region up to 60 degrees upward and up to 30 degrees sideways and downward from the end of the electrodes from the first region.