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    • 54. 发明专利
    • Method and apparatus for elongating glass base material
    • 玻璃基材料的制备方法和装置
    • JP2013230960A
    • 2013-11-14
    • JP2012105127
    • 2012-05-02
    • Shin-Etsu Chemical Co Ltd信越化学工業株式会社
    • OTSUSAKA TETSUYA
    • C03B37/012
    • C03B37/07C03B23/045C03B23/047C03B37/0124C03B37/0126C03B37/0253C03B37/032C03B2205/40
    • PROBLEM TO BE SOLVED: To provide and a method and apparatus for elongating a glass base material in which a glass rod of a small bend can be obtained stably in a step of extending and processing the glass base material into a glass rod of a smaller outer diameter by heating and elongating the glass base material.SOLUTION: According to a method for elongating a glass base material, rod-like glass base materials hung by a glass base material feeding mechanism are sequentially fed into a heating furnace, and a glass rod is pulled to a smaller diameter by a pulling chuck situated below the heating furnace. An alignment guiding device which guides the glass rod is provided between the heating furnace and the pulling chuck, and the guiding center of the alignment guiding device is made coincide with the axis of the glass rod.
    • 要解决的问题:提供一种拉伸玻璃基材的方法和装置,其中可以在将玻璃基材延伸和加工成较小外部的玻璃棒的步骤中稳定地获得小弯曲的玻璃棒 通过加热和拉伸玻璃基材的直径。解决方案:根据用于延伸玻璃基材的方法,将由玻璃基材进料机构悬挂的棒状玻璃基材依次送入加热炉,玻璃棒 通过位于加热炉下方的拉卡盘将其拉至更小的直径。 引导玻璃棒的对准导向装置设置在加热炉和拉动卡盘之间,并且对准引导装置的引导中心与玻璃棒的轴线重合。