会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 10. 发明授权
    • Method for producing a tube of quartz glass by elongating a hollow cylinder of quartz glass
    • 通过延长石英玻璃的中空圆筒来制造石英玻璃管的方法
    • US08061162B2
    • 2011-11-22
    • US11920369
    • 2006-05-11
    • Thomas Bogdahn
    • Thomas Bogdahn
    • C03B23/04C03B23/043C03B23/047
    • C03B37/01257C03B37/0124Y02P40/57
    • In a known method for producing a tube of quartz glass by elongating a hollow cylinder of quartz glass having an outer diameter AD, said cylinder is continuously supplied to a heating zone with a vertically oriented heating tube having an inner diameter d, with the proviso that the diameter ratio d/AD is set to a value ranging from 1.02 to 1.7. The hollow cylinder is softened therein zonewise, and a tubular strand is drawn off from the softened region and shortened to obtain the tube. Starting therefrom, in order to optimize the dimensional stability of the quartz glass tube obtained, it is suggested according to the invention that the heating zone should have a length L which is set such that the ratio L/d is smaller than 0.9.
    • 在通过延长具有外径AD的石英玻璃的中空圆筒来制造石英玻璃管的已知方法中,将所述圆筒连续地供给具有内径d的垂直取向的加热管的加热区,条件是 将直径比d / AD设定为1.02〜1.7的范围。 中空圆筒在其中被软化,并且将软管从软化区域中取出并缩短以获得管子。 从此开始,为了优化所获得的石英玻璃管的尺寸稳定性,根据本发明,建议加热区的长度L设定为L / d的比例小于0.9。