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    • 13. 发明申请
    • Device and method for relaxing stress in glass, especially at the base of the neck of a television funnel
    • 用于在玻璃中放松压力的装置和方法,特别是在电视漏斗颈部的底部
    • US20030182965A1
    • 2003-10-02
    • US10381147
    • 2003-03-20
    • Ulrich FotheringhamHauke EsemannBernd HoppeEva HnullzelMichael KlugeNorbert Baumbach
    • C03B025/00
    • C03B29/06C03B25/02C03B29/00C03B29/02H01J9/244
    • The invention relates to a method for relaxing stress in glass, especially at the base of the neck of a television funnel, comprising at least the following steps: the glass which is to be relaxed is heated from an initial temperature T1 to a holding temperature T2; said glass is maintained at the holding temperature T2 for a period of time t2 until the glass has relaxed; the glass is cooled to a temperature T3 which is always less than T1; the temperature T2 is maintained, and the heating and cooling processes are carried out by means of a regulating circuit comprising at least one temperature sensor for detecting the temperature and one heating unit as a control element. The invention is characterised in that the heating unit comprises infrared beam emitters for heating the glass which is to be relaxed, said beams having a thermal delay time of less than 10 s, especially less than 5 s.
    • 本发明涉及一种放松玻璃中应力的方法,特别是在电视漏斗的颈部的基部处,其至少包括以下步骤:将要松弛的玻璃从初始温度T1加热到保持温度T2 ; 将玻璃保持在保持温度T2一段时间t2直到玻璃松弛; 将玻璃冷却至总是小于T1的温度T3; 维持温度T2,并且通过包括至少一个用于检测温度的温度传感器和一个加热单元作为控制元件的调节电路来进行加热和冷却处理。 本发明的特征在于,加热单元包括用于加热要松弛的玻璃的红外线束发射器,所述光束的热延迟时间小于10秒,特别是小于5秒。
    • 16. 发明授权
    • Process for preparation of glass optical elements
    • 制备玻璃光学元件的方法
    • US06230520B1
    • 2001-05-15
    • US09116962
    • 1998-07-17
    • Shinichiro HirotaKen Uno
    • Shinichiro HirotaKen Uno
    • C03B1100
    • C03B11/08C03B11/12C03B29/02Y02P40/57
    • A method disclosed can mold glass optical elements having a good surface precision with a relatively short cycle time even where glass optical elements are manufactured in largely transforming a glass material. This method is, for example, a molding method for glass optical elements including the step of pressing a glass molding material softened by heat until the center thickness of the glass molded article becomes 70% of the center thickness of the glass molding material to produce the glass molded article. The preheat temperature of the mold is set to a temperature that the average of the temperatures around molding surfaces of upper and lower molds constituting the mold is a temperature that the glass molding material indicates a viscosity of X poises; the heating temperature of the glass molding material is set to a temperature that the glass molding material indicates a viscosity of Y poises; the viscosity X and the viscosity Y satisfy the following formulas. log X
    • 所公开的方法可以在具有相当短的周期时间的情况下模制具有良好的表面精度的玻璃光学元件,即使在玻璃材料的大幅度转化中制造玻璃光学元件的情况下也是如此。 该方法例如是玻璃光学元件的成型方法,其包括对通过加热软化的玻璃成型体进行加压,直到玻璃成形体的中心厚度成为玻璃成形材料的中心厚度的70%为止, 玻璃成型品。 将模具的预热温度设定为构成模具的上模具和下模具的成型面周围温度的平均值为玻璃成型材料表示X泊的粘度的温度的温度; 将玻璃成形材料的加热温度设定为玻璃成形材料表示Y泊的粘度的温度; 粘度X和粘度Y满足下式。
    • 17. 发明授权
    • Furnace exhaust method and apparatus
    • 炉排气法和装置
    • US6111227A
    • 2000-08-29
    • US326198
    • 1999-06-04
    • Steven B. Cress
    • Steven B. Cress
    • C03B29/02F27B17/00F27D1/00F27D7/04F27D11/02F27D11/00
    • C03B29/02F27B17/0083F27D1/0036F27D11/02F27D7/04
    • An electrically heated furnace wherein electrical heating elements are mounted and supported so that they face the inner furnace walls and are isolated from direct communication with articles being treated within the furnace such that clean air flows over the heating elements providing oxygen to create an aluminum oxide coating on the heating elements and maintains a clean atmosphere about the heating elements. Air circulation from exterior the furnace is through ports in the furnace walls and over the electrical heating elements; exhaust from the furnace is through ports in the furnace walls into a plenum and out through a flue creating pressure differentials with the pressure in the furnace area where articles are being subjected to heat is lower than the atmosphere and the area in which the heating elements are located.
    • 一种电加热炉,其中电加热元件被安装和支撑,使得它们面对内炉壁并与在炉内被处理的物品直接连通,使得清洁空气流过提供氧气的加热元件以产生氧化铝涂层 在加热元件上保持关于加热元件的清洁气氛。 来自炉外的空气循环通过炉壁和电加热元件的端口; 来自炉的排气通过炉壁中的端口进入集气室,并通过烟道出来,从而产生压力差,其中制品受热的炉区域的压力低于大气和加热元件的面积 位于。