Machine for molding optical element
    11.
    发明授权
    Machine for molding optical element 失效
    成型光学元件机器

    公开(公告)号:US5188652A

    公开(公告)日:1993-02-23

    申请号:US782363

    申请日:1991-10-24

    IPC分类号: C03B11/08

    摘要: A machine is provided for molding an optical element by using a molding block having upper and lower molding dies, a sleeve die and a glass blank combined integrally with each other. The machine includes a chamber which accommodates a heating zone having a plurality of sections for heating the molding block from above and below, a deformation zone for pressing the molding dies and a cooling zone having a plurality of sections for cooling the molding block. The chamber is formed with an inlet and an outlet for the molding block. The sections of the heating zone, the deformation zone and the sections of the cooling zone are provided independently of one another. A transport member is provided for sequentially transporting the molding block through the heating zone, the deformation zone and the cooling zone, and first and second shutters are provided for opening gas supply member is provided for introducing nonoxidizing gas into the chamber.

    Method for making optical preforms and optical elements by press
    14.
    发明授权
    Method for making optical preforms and optical elements by press 失效
    通过压制制造光学预成型件和光学元件的方法

    公开(公告)号:US5965069A

    公开(公告)日:1999-10-12

    申请号:US787284

    申请日:1997-01-24

    摘要: A method for making optical preforms of optical elements without residual stress or distortion is provided. In this method, an optical material is supplied between upper and lower molds. The upper mold has a plurality of recesses arranged in a predetermined pitch, and each recess corresponds to a first surface shape of the optical element. The lower mold has a plurality of recesses facing the recesses of the upper mold and each recess of the lower mold corresponds to a second surface shape of the optical element. The supplied optical material is pressed between the upper and lower molds to be a set of optical preforms. The set of optical preforms is processed by die punching or tool cutting to separate each optical preform from the set of optical preforms. Each optical preform is used for producing an optical element by further pressing. Alternatively, optical element can be formed directly by the press molding process.

    摘要翻译: 提供了一种用于制造没有残余应力或变形的光学元件的光学预成型件的方法。 在这种方法中,在上模和下模之间提供光学材料。 上模具有以预定间距布置的多个凹部,并且每个凹部对应于光学元件的第一表面形状。 下模具有面向上模的凹部的多个凹部,下模具的每个凹部对应于光学元件的第二表面形状。 所供应的光学材料在上模和下模之间被压制成一组光学预型件。 通过冲模或刀具切割处理该组光学预成型件,以将每个光学预成型件与该组光学预成型件分离。 每个光学预型件用于通过进一步压制来生产光学元件。 或者,可以通过压制成型工艺直接形成光学元件。

    Continuous automatic steel making method and facility
    15.
    发明授权
    Continuous automatic steel making method and facility 失效
    连续自动炼钢的方法和设备

    公开(公告)号:US5346528A

    公开(公告)日:1994-09-13

    申请号:US27243

    申请日:1993-03-03

    摘要: The present invention provides a continuous automatic steel making method and a facility which make it possible to make steel continuously and automatically by systematizing all steps of the steel making process. Steel is tapped from an electric furnace while steel making materials are continuously charged into the electric furnace. The tapped molten steel is delivered to a ladle supported by a conveying car. The conveying car is moved to a position associated with a continuous casting machine. The ladle containing the molten steel is moved from the conveying car to a position above a tundish of the continuous casting machine and the conveying car is then returned to the electric furnace. The molten steel is poured from the ladle into the tundish. All of the steps are continuously controlled and coordinated by a master controller.

    摘要翻译: 本发明提供一种连续自动炼钢方法和设备,其可以通过系统化炼钢工艺的所有步骤来连续自动地制造钢。 钢从电炉中抽出,炼钢材料连续地装入电炉。 轻敲钢水被输送到由输送车支撑的钢包中。 输送车移动到与连续铸造机相关联的位置。 包含钢水的钢包从输送车移动到连续铸造机的中间包上方的位置,然后将输送车返回到电炉中。 钢水从钢包倒入中间包。 所有步骤由主控制器连续控制和协调。

    Method for improving the internal surface of seamless tube of
multi-layer plastics film laminate
    16.
    发明授权
    Method for improving the internal surface of seamless tube of multi-layer plastics film laminate 失效
    改善多层塑料薄膜层压板无缝管内表面的方法

    公开(公告)号:US5296170A

    公开(公告)日:1994-03-22

    申请号:US543833

    申请日:1990-07-13

    摘要: A method for improving the internal surface of a gas-barrier, when required heat-shrinkable, multi-layer plastics film laminate in the form of a seamless tube having the innermost layer of olefin resin, the method including applying corona discharge employing at least two pairs of electrodes to the innermost layer from the outside of the tube having a gas sealed therein and pressed to a flat state avoiding the contact of opposed surface areas of innermost olefin resin layer with each other, the two pairs of electrodes being arranged such that one electrode of each pair is in contact with the outermost layer of the tube and the other of the same pair out of contact therewith while one electrode of one pair is kept in contact with the outermost layer of the tube with which one electrode of another pair is kept out of contact on the same side of the tube, so that the wetting tension of the innermost layer surface is increased to at least 35 dyne/cm by the corona discharge treatment.

    摘要翻译: PCT No.PCT / JP89 / 01170 Sec。 371日期1990年7月13日第 102(e)日1990年7月13日PCT 1989年11月16日PCT PCT。 公开号WO90 / 05757 日期:1990年5月31日。一种用于改进气体阻隔层的内表面的方法,当需要具有最内层烯烃树脂的无缝管形式的需要的热收缩性多层塑料膜层压体时, 电离放电采用至少两对电极从最外层的管子的外部密封在其中,并被压到平坦的状态,避免了最内层的烯烃树脂层相对的表面区域相互接触, 电极布置成使得每对的一个电极与管的最外层接触,并且相同对中的另一个与其不相接触,而一对的一个电极与管的最外层保持接触, 另一对的一个电极在管的同一侧保持脱离接触,使得最内层表面的润湿张力通过电晕放电增加到至少35达因/厘米 e治疗。

    Optical glass composition, preform and optical element
    18.
    发明授权
    Optical glass composition, preform and optical element 有权
    光学玻璃组合物,预成型件和光学元件

    公开(公告)号:US07897532B2

    公开(公告)日:2011-03-01

    申请号:US12106703

    申请日:2008-04-21

    CPC分类号: C03C3/068

    摘要: An optical glass composition contains, in % by weight, 1.0% or more and 12.0% or less of SiO2, 8.0% or more and 18.0% or less of B2O3, 0% or more and 6.0% or less of ZnO, 1.0% or more and 10.0% or less of ZrO2, 25.0% or more and 47.0% or less of La2O3, 0% or more and 5.0% or less of R2O (here, R is at least one of Li, Na and K), 0% or more and 15.0% or less of Nb2O5, 0% or more and 7.0% or less of TiO2, 0% or more and 15.0% or less of Ta2O5, 1.0% or more of Nb2O5+TiO2+Ta2O5, 0% or more and 25.5% or less of Gd2O3, 0.5% or more and 15.0% or less of WO3 and 0.5% or more and 26.0% or less of Gd2O3+WO3, and has nd of 1.88 or higher and 1.92 or lower and νd of 33 or higher and 37 or lower, and a preform and an optical element are formed from the optical glass composition.

    摘要翻译: 光学玻璃组合物含有重量百分比为1.0%以上且12.0%以下的SiO 2,8.0%以上且18.0%以下的B 2 O 3,0%以上6.0%以下的ZnO,1.0%或 更优选10.0%以下的ZrO 2,25.0%以上且47.0%以下的La 2 O 3,0%以上且5.0%以下的R 2 O(这里,R为Li,Na,K中的至少一种),0% 以上,Nb2O5以上15.0%以下,TiO 2 0%以上7.0%以下,Ta2O5 0%以上15.0%以下,Nb2O5 + TiO2 + Ta2O5%以上1.0%以上0%以上, ,Gd 2 O 3为25.5%以下,WO 3为0.5%以上且15.0%以下,Gd 2 O 3 + WO 3为0.5%以上且26.0%以下,nd为1.88以上且1.92以下,n为33 以上且37以下,并且由光学玻璃组合物形成预成型体和光学元件。

    OPTICAL GLASS COMPOSITION, PREFORM AND OPTICAL ELEMENT
    19.
    发明申请
    OPTICAL GLASS COMPOSITION, PREFORM AND OPTICAL ELEMENT 有权
    光学玻璃组合物,预制和光学元件

    公开(公告)号:US20090163345A1

    公开(公告)日:2009-06-25

    申请号:US12113477

    申请日:2008-05-01

    IPC分类号: C03C3/068

    CPC分类号: C03C3/068

    摘要: An optical glass composition contains, in % by mole, 14.0% or more and 31.0% or less of SiO2, 19.0% or more and 40.0% or less of B2O3, 0% or more and 5.0% or less of Li2O, 0% or more and 12.0% or less of ZnO, 0% or more and 12.0% or less of ZrO2, 15.0% or more and 26.0% or less of La2O3, 22.0% or more and 38.0% or less of La2O3+ZrO2, 2.0% or more and 5.0% or less of Ta2O5 and 4.0% or more and 16.0% or less of Gd2O3, and has nd of 1.83 or higher and 1.87 or lower and νd of 43 or higher and 47 or lower, and a preform and an optical element are formed from the optical glass composition.

    摘要翻译: 光学玻璃组合物含有SiO 2为14.0%以上且31.0%以下,B 2 O 3为19.0%以上且40.0%以下,Li 2 O 0%以上且5.0%以下,0%以下 更多和12.0%以下的ZnO,0%以上且12.0%以下的ZrO 2,15.0%以上且26.0%以下的La 2 O 3,22.0%以上且38.0%以下的La 2 O 3 + ZrO 2,2.0%或 多于5.0%以下的Ta 2 O 5和4.0%以上且16.0%以下的Gd 2 O 3,nd为1.83以上且1.87以下,nud为43以上且47以下,预成型体和光学元件 由光学玻璃组合物形成。