PROCESS FOR MANUFACTURING DECORATIVE GLASS-CERAMICS Russian patent published in 1994 - IPC

FIELD: novel materials for manufacture of decorated wares. SUBSTANCE: colorless high-fusible glass mass is prepared in one melting crucible, and colored low-fusible frit is melted in another crucible. Thereafter, the melts are poured simultaneously into a new crucible followed by pouring the combined melt into mold. The molded material is subjected to crystallization to give the end product. EFFECT: increased strength properties, thermal shock and chemical resistance. 3 tbl