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    • 44. 发明专利
    • Reinforced glass plate and method for producing the same
    • 增强玻璃板及其制造方法
    • JP2011162413A
    • 2011-08-25
    • JP2010028882
    • 2010-02-12
    • Nippon Electric Glass Co Ltd日本電気硝子株式会社
    • TOMAMOTO MASAHIROTAKATANI TATSUYATAKIMOTO HIROSHI
    • C03B23/203C03B23/037
    • C03B23/037C03B23/203Y02P40/57Y10T428/2495
    • PROBLEM TO BE SOLVED: To aim the reduction of facility cost and the lowering of production cost by easily performing laminating work by simple equipment and simply dealing with the change of kinds when producing a reinforced glass plate by laminating a plurality of glass plates. SOLUTION: A thick core plate glass 2a having a higher thermal expansion coefficient and a thin surface-layer plate glass 3a having a lower thermal expansion coefficient are laminated together, so that the laminated portion has a temperature equal to or higher than the lower softening point out of the softening points of the core plate glass 2a and the surface-layer plate glass 3a, thereby melt-bonding the core plate glass 2a and the surface-layer plate glass 3a; and then performing cooling so as to attain a temperature less than the lower strain point out of strain points of the core plate glass 2a and the surface-layer plate glass 3a, to thereby form a compression stress in a surface layer portion 3 corresponding to the surface-layer plate glass 3a and form a tensile stress in a core portion 2 corresponding to the core plate glass 2a. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了通过简单的设备容易地执行层压工作,简单地处理通过层叠多个玻璃板来生产增强玻璃板时的种类变化,旨在降低设备成本和降低生产成本 。 解决方案:具有较高热膨胀系数的厚芯板玻璃2a和具有较低热膨胀系数的薄表面层平板玻璃3a层压在一起,使得层压部分的温度等于或高于 在芯板玻璃2a和表面层玻璃3a的软化点之外的软化点较低,从而使芯板玻璃2a和表面层玻璃3a熔融粘合; 然后进行冷却以获得低于芯板玻璃2a和表面层玻璃3a的应变点以下的较低应变点的温度,从而在对应于表面层玻璃2a的表层部3中形成压缩应力 表面层玻璃3a,并且在对应于芯板玻璃2a的芯部2中形成拉伸应力。 版权所有(C)2011,JPO&INPIT
    • 48. 发明专利
    • Sheet glass and method for producing sheet glass
    • 薄板玻璃及其制造方法
    • JP2007197280A
    • 2007-08-09
    • JP2006019752
    • 2006-01-27
    • Furukawa Electric Co Ltd:The古河電気工業株式会社
    • NAKAMURA TADAHIROTODA SADAYUKIKOAIZAWA HISASHI
    • C03B23/037C03B23/047
    • G11B5/8404C03B23/037C03C2204/08C03C2218/355G11B5/7315Y02P40/57Y10T428/24355
    • PROBLEM TO BE SOLVED: To provide sheet glass having high reliability to flexibility, and to provide a method for producing sheet glass having high reliability to flexibility. SOLUTION: The sheet glass in this invention is characterized in that the average surface roughness at the side face is ≤0.2 μm. Further, the method for producing sheet glass in this invention comprises a stage where a base material glass sheet is worked in such a manner that the average surface roughness at the side face in the sheet glass reaches ≤0.2 μm. Alternatively, the method for producing the sheet glass in this invention comprises a stage where a base material glass sheet is worked in such a manner that the average surface roughness at the side face in the sheet glass reaches a prescribed value or below in accordance with the section modulus of the sheet glass to be produced. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供具有高可靠性的柔性的片状玻璃,并提供一种制造具有高柔性可靠性的片状玻璃的方法。 解决方案:本发明的平板玻璃的特征在于,侧面的平均表面粗糙度≤0.2μm。 此外,本发明的片状玻璃的制造方法包括以下方式对基材玻璃片进行加工,使得平板玻璃的侧面的平均表面粗糙度达到0.2μm以下。 或者,本发明的片状玻璃的制造方法包括以下方式加工基材玻璃片,使得平板玻璃中的侧面的平均表面粗糙度达到规定值以下, 要生产的玻璃板的截面模数。 版权所有(C)2007,JPO&INPIT