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    Cooking surface for cooking food having a glass ceramic surface with a glass coating thereon
    3.
    发明授权
    Cooking surface for cooking food having a glass ceramic surface with a glass coating thereon 有权
    用于烹饪具有玻璃陶瓷表面的食物的烹饪表面，其上具有玻璃涂层

    公开(公告)号：US06525300B1

    公开(公告)日：2003-02-25

    申请号：US09925286

    申请日：2001-08-09

    申请人： Ina Mitra ,  Friedrich Siebers ,  Jutta Reichert ,  Cora Krause ,  Otmar Becker ,  Michael Bug

    发明人： Ina Mitra ,  Friedrich Siebers ,  Jutta Reichert ,  Cora Krause ,  Otmar Becker ,  Michael Bug

    IPC分类号： H05B368

    CPC分类号： C03C8/14 ,  C03C8/02 ,  C03C17/007 ,  C03C2217/485 ,  C03C2217/72 ,  H05B6/14 ,  H05B6/42

    摘要： The invention relates to lead- and cadmium-free glass for glazing, enamelling and decorating glasses or glass-ceramics which have a low coefficient of thermal expansion of less than 2×10−6/K, having the composition (in % by weight) 0-6 Li2O, 0-5 Na2O, 0 to less than 2 K2O, where the sum Li2O+K2+Na2O is between 2 and 12, 0-4 MgO, 0-4 CaO, 0-4 SrO, 0-1 BaO, 0-4 ZnO, 3 to less than 10 Al2O3, 13-23 B2O3, 50-65 SiO2, 0-4 TiO2, 0-4 ZrO2 and 0-4 F, as replacement for oxygen and containing up to 30% by weight of a pigment which is resistant at the firing temperature, where the glass is suitable for glazing, enamelling and decoration in both primary and secondary firing, and both the full-area and sparse glaze, enamel or decoration layers have low abrasion susceptibility after firing, and it relates to processes for the production of a glass-ceramic coated therewith.

    摘要翻译： 本发明涉及具有小于2×10-6 / K的低热膨胀系数的玻璃，搪瓷和装饰玻璃或玻璃陶瓷的无铅和无镉玻璃，其组成（重量％）为0- 6 Li 2 O，0-5 Na 2 O，0至小于2 K 2 O，其中总和Li 2 O + K 2 + Na 2 O为2至12,0-4MgO，0-4 CaO，0-4 SrO，0-1 BaO，0 -4 ZnO，3至小于10的Al2O3，13-23B2O3，50-65SiO 2，0-4TiO 2，0-4 ZrO 2和0-4 F，作为氧的替代，并含有至多30重量％的 在烧成温度下耐光的颜料，其中玻璃适用于初级和次级烧制中的玻璃，搪瓷和装饰，并且全面和稀疏的釉料，搪瓷或装饰层在烧制后具有低的耐磨性，并且它 涉及制备涂覆有玻璃陶瓷的方法。