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    • 12. 发明授权
    • Process and apparatus for hot forming precision structures in flat glass
    • 平板玻璃热成型精密结构的工艺和装置
    • US5987923A
    • 1999-11-23
    • US48633
    • 1998-03-26
    • Heinrich OstendarpMarita Paasch
    • Heinrich OstendarpMarita Paasch
    • C03B23/02C03B11/06C03B11/08C03B13/08C03B13/14C03C23/00C03B11/12
    • C03B13/08C03B11/06C03B11/082C03B13/14C03C23/0025C03C23/007C03B2215/412C03B2215/414Y02P40/57
    • Flat glass provided with precision structures is required for precision applications, especially for glasses with optical properties, for example for modern flat display screen glass. The process of the invention for hot forming precision structures in or on flat glass includes pressing a heated forming tool with a structuring surface into a surface of the flat glass. In this process the structuring surface of the forming tool is heated locally from the outside of the forming tool, prior to and/or during contacting of the forming tool with the glass surface until a predetermined surface depth corresponding to a height of the structures being formed has reached a process temperature at which a melting to form the structures occurs on contacting the forming tool to the glass surface. The local heating of the structuring surface (2) is performed by laser radiation which is passed through the flat glass (3) to the structuring surface (2). Alternatively an inductive or resistance heating can be performed.
    • 配有精密结构的平板玻璃需要精密应用,特别是对于具有光学性能的眼镜,例如用于现代平板显示屏玻璃。 在平板玻璃中或平板玻璃上的热成型精密结构的本发明的方法包括将具有结构化表面的加热成形工具压入平板玻璃的表面。 在此过程中,在成形工具与玻璃表面接触之前和/或期间,成形工具的外部局部加热成形工具的结构化表面,直到对应于形成结构的高度的预定表面深度 已达到在形成工具与玻璃表面接触时发生熔化以形成结构的工艺温度。 结构化表面(2)的局部加热由穿过平板玻璃(3)到结构表面(2)的激光辐射进行。 或者,可以执行感应或电阻加热。
    • 14. 发明授权
    • Mold assembly and methods for producing molded glass
    • 模具组装和生产模制玻璃的方法
    • US5013348A
    • 1991-05-07
    • US378376
    • 1989-07-11
    • Shinichiro Hirota
    • Shinichiro Hirota
    • C03B11/06C03B11/00C03B11/08
    • C03B11/08C03B11/082C03B2215/40C03B2215/412C03B2215/44C03B2215/48C03B2215/50
    • A mold assembly adapted for producing a molded glass in a relatively thin form has an upper mold and a lower mold. The lower mold carries thereon a glass to be molded during the heating, pressing and cooling of the glass to be molded. The lower mold has the maximal thickness below or equal to 1/10 of a diameter of the lower mold. A third ring-shaped mold having an annular recess along its interior surface receives the molded glass during pressing between the upper and lower molds to prevent sticking of the molded glass product to a mold surface when released from the mold assembly after pressing. Additionally, a stopper is used to contact the periphery of the ring-shaped mold to strip the molded glass product from the upper mold when the latter is moved upwardly during pressing the molded glass.
    • 适于制造相对薄的模制玻璃的模具组件具有上模具和下模具。 下模具在待模制玻璃的加热,压制和冷却期间承载待模制的玻璃。 下模具有低于或等于下模直径的1/10的最大厚度。 具有沿其内表面的环形凹部的第三环形模具在上模和下模之间的压制期间容纳模制玻璃,以防止在压制后从模具组件释放时将模制的玻璃制品粘附到模具表面。 此外,当压制模制玻璃时,使用止动件与环形模具的周边接触以从上模具剥离模制玻璃制品。