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    • 5. 发明授权
    • Molding method for optical element
    • 光学元件成型方法
    • US5173100A
    • 1992-12-22
    • US697901
    • 1991-04-29
    • Isamu ShigyoMasaki OhmoriFumitaka Yoshimura
    • Isamu ShigyoMasaki OhmoriFumitaka Yoshimura
    • C03B11/08
    • C03B11/08C03B2215/48C03B2215/72C03B2215/73Y10S425/808
    • A method of molding an optical element by pressing glass material uses a cavity composed of a pair of mold members and a side mold member. Either or both of the pair of mold members are rendered slidable along the axial direction of the optical element within the side mold member used during the pressurized molding operation, so that the pair of mold members move in close contact with the contracting glass along the axial direction in the side mold member, during the cooling subsequent to the pressurized molding due to adhesion between the contracting glass and either or both of the pair of mold members. The contraction of the glass during the cooling phase is limited by the adhesive force between the glass and the mold members when at least one of the pair of mold members traverses a gap and reaches a limit of travel; thus tension will be created in the glass.
    • 通过压制玻璃材料来模制光学元件的方法使用由一对模具构件和侧模构件构成的空腔。 一对模具构件中的任一个或两个可以在加压模制操作期间使用的侧模构件中沿着光学元件的轴向方向滑动,使得一对模具构件沿着轴向与收缩玻璃紧密接触移动 由于收缩玻璃与一对模具构件中的任一个或两者之间的粘合而在加压模制之后的冷却期间在侧模构件中的方向。 在冷却阶段期间玻璃的收缩受到玻璃和模具构件之间的粘合力的限制,当这对模具构件中的至少一个穿过间隙并达到行程限制时; 因此会在玻璃杯中产生张力。
    • 6. 发明授权
    • Molding method for optical element and apparatus therefor
    • 光学元件成型方法及其设备
    • US4913718A
    • 1990-04-03
    • US272321
    • 1988-11-17
    • Fumitaka YoshimuraTomomasa NakanoIsamu Shigyo
    • Fumitaka YoshimuraTomomasa NakanoIsamu Shigyo
    • C03B11/08
    • C03B11/08C03B2215/48C03B2215/87Y02P40/57
    • Disclosed is a glass press molding method which comprises a step of heating glass material and a mold die composed at least of an upper mold die and a lower mold die for molding the glass material;a step of pressing the glass material by means of the mold die;plural pallets for supporting the glass material and the mold die, each of the pallet supporting the glass material and the mold die in independent manner;a step of transporting, in succession, the pallets each supporting the glass material and the mold die; anda step of transferring the glass material, prior to the pressing step, in such a manner as to place the glass material, heated to a predetermined temperature in the heating step, between the lower mold die and the upper mold die, and to transfer the pallet with the glass material inserted in the mold die to the pressing step.
    • 公开了一种玻璃压制成型方法,其包括加热玻璃材料和至少由上模具和至少模制玻璃材料的下模具的模具的步骤; 通过模具挤压玻璃材料的步骤; 用于支撑玻璃材料和模具的多个托盘,每个托盘以独立的方式支撑玻璃材料和模具; 连续地运送支撑玻璃材料和模具的托板的步骤; 以及在压制步骤之前将玻璃材料转移到将模具加热到加热步骤中预定温度的玻璃材料放置在下模具和上模具之间的步骤,并转移 将具有玻璃材料的托盘插入模具中以进行压制步骤。
    • 7. 发明申请
    • PREFORM FOR OPTICAL ELEMENT AND OPTICAL ELEMENT
    • 光学元件和光学元件的选择
    • US20110281056A1
    • 2011-11-17
    • US13110713
    • 2011-05-18
    • Futoshi IshizakiShigeki FukudaKenji Sugizaki
    • Futoshi IshizakiShigeki FukudaKenji Sugizaki
    • B32B3/02C03B11/08
    • C03B11/08C03B40/04C03B2215/47C03B2215/48Y02P40/57Y10T428/21
    • A preform for an optical element is provided which involves less amount of deformation of glass in molding, and readily improves lifetime of the mold. The present preform for molding an optical glass element 10 exhibits an almost circular shape having a predetermined diameter in top view, exhibits a flattened semicircular shape having a predetermined overall height in side view, has a concave face on the top surface such that the predetermined overall height is attained at approximately the central position of the aforementioned circular shape, and has a concave face so as to fit along the convex face of the top surface such that a space is provided on the bottom face. The under surface may be either a concave face or a convex face. Also, the top surface may be either a concave face or a convex face.
    • 提供了一种用于光学元件的预制件,其在模制中涉及较少的玻璃变形,并且容易地改善模具的使用寿命。 本发明的用于模制光学玻璃元件10的预制件在顶视图中具有预定直径的几乎圆形,在侧视图中呈现具有预定总高度的扁平半圆形状,在顶表面上具有凹面,使得预定的整体 大致在上述圆形的中心位置处获得高度,并且具有凹面以便沿着顶表面的凸面配合,使得在底面上设置有空间。 底面可以是凹面或凸面。 此外,顶面可以是凹面或凸面。
    • 8. 发明申请
    • FORMING DEVICE FOR FORMING OPTICAL GLASSES
    • 形成光学玻璃的成型装置
    • US20080209949A1
    • 2008-09-04
    • US12120757
    • 2008-05-15
    • Meng-Kun Wang
    • Meng-Kun Wang
    • C03B11/08
    • C03B11/08C03B2215/48C03B2215/50C03B2215/60C03B2215/61C03B2215/80Y02P40/57
    • A forming device includes a sleeve member mountable between lower and upper mold units to hold a glass blank and having a stepped sleeve wall that defines first, second and third slot sections, and annular first and second shoulder faces. The second slot section is smaller than the third slot section and larger than the first slot section, and has top and bottom ends connected directly to the third and first slot sections. The first shoulder face extends radially at the junction of the first and second slot section to support the glass blank. A portion of the sleeve wall extends axially and upwardly from the first shoulder face to limit the glass blank from movement. The second shoulder face extends at the junction of the second and third slot sections to hold a lens formed from the glass blank.
    • 一种成形装置包括可安装在下模具单元和上模具单元之间以容纳玻璃坯料并具有限定第一,第二和第三槽段以及环形的第一和第二肩面的阶梯式套筒壁的套筒构件。 第二狭槽部分小于第三狭槽部分并且大于第一狭槽部分,并且具有直接连接到第三和第一狭槽部分的顶端和底端。 第一肩面在第一和第二狭槽部分的接合部处径向延伸以支撑玻璃坯料。 套筒壁的一部分从第一肩部表面轴向和向上延伸以限制玻璃坯料的移动。 第二肩面在第二和第三狭缝部分的接合部处延伸以保持由玻璃坯料形成的透镜。
    • 9. 发明授权
    • Method of manufacturing glass optical elements
    • 制造玻璃光学元件的方法
    • US06823694B2
    • 2004-11-30
    • US09942669
    • 2001-08-31
    • Hiroyuki SawadaYoshitaka GotoYuka Miyashita
    • Hiroyuki SawadaYoshitaka GotoYuka Miyashita
    • C03B1112
    • C03B11/08C03B11/122C03B11/125C03B2215/47C03B2215/48
    • A method for manufacturing a glass optical element having at least one concave surface, including: softening a glass molding material by heating, molding the softened material with a first mold having a first molding surface and a second mold having a second molding surface by applying a pressure, the first molding surface including a first concave forming surface, the second molding surface including a convex forming surface, a planar forming surface or a second concave forming surface, the second concave forming surface having a curvature radius greater than that of the first concave forming surface, whereby the applying of the pressure starts when the first mold and the second mold are at temperatures above a glass transition temperature of said glass molding material, the glass material is cooled so that a temperature of the glass material reaches a temperature equal to or lower than a glass transition temperature (Tg) of the glass material, and the cooled glass material is removed from either of the first mold or the second mold. A second temperature of the second mold reaches the glass transition temperature prior to a time when a first temperature of first mold reaches the glass transition temperature in the cooling step.
    • 一种制造具有至少一个凹面的玻璃光学元件的方法,包括:通过加热软化玻璃成型材料,用具有第一成型面的第一模具和具有第二成型面的第二模具对软化材料进行成型, 所述第一模制表面包括第一凹形成表面,所述第二模制表面包括凸形成表面,平面形成表面或第二凹形成表面,所述第二凹形成表面的曲率半径大于所述第一凹形形成表面的曲率半径 从而当第一模具和第二模具处于高于所述玻璃成型材料的玻璃化转变温度的温度时开始施加压力,玻璃材料被冷却,使得玻璃材料的温度达到等于 或低于玻璃材料的玻璃化转变温度(Tg),并且除去冷却的玻璃材料 从第一模具或第二模具中的任一个。 在第一模具的第一温度在冷却步骤中达到玻璃化转变温度的时间之前,第二模具的第二温度达到玻璃化转变温度。