C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
C03B17/02—Forming molten glass coated with coloured layers; Forming molten glass of different compositions or layers; Forming molten glass comprising reinforcements or inserts
C—CHEMISTRY; METALLURGY
C03—GLASS; MINERAL OR SLAG WOOL
C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
C03B17/06—Forming glass sheets
C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor