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    • 8. 发明授权
    • Two-color molding equipment and two-color molded product
    • 双色成型设备和双色成型产品
    • US08113808B2
    • 2012-02-14
    • US13124906
    • 2009-11-25
    • Takeshi Nishimura
    • Takeshi Nishimura
    • B32B3/14B29C45/14B29C45/16
    • B29C45/1671B29C45/0025B29C45/14778B29C45/162B29C45/37B29C2045/14901B29C2045/1682B29L2031/3437Y10T428/183Y10T428/192
    • A two-color molding equipment for shaping a two-color molded product by placing a film in primary mold tool configured by a fixed mold and a movable mold, injecting a resin into a first cavity formed by closing the molds to shape a primary molded piece, shifting the primary molded piece provided with the film to secondary mold tool configured by the fixed mold and the movable mold, and injecting a resin into a second cavity formed by closing the molds to shape a secondary molded piece, the two-color molded product composed of an integrated combination of the primary molded piece, the secondary molded piece, and the film interposed therebetween, wherein the first cavity is configured to shape the primary molded piece to be smaller than the film so that a part of the film protrudes from the primary molded piece, and a wall surface located at the protruding portion of the film to constitute the first cavity is provided with a convex portion that restricts mold shrinkage of the film protruding portion in the primary molded piece.
    • 一种双色成型设备,用于通过将薄膜放置在由固定模具和可移动模具构成的初级模具中来成型双色模制产品,将树脂注入到通过闭合模具形成的第一模腔中,以使第一模制件 将设置有薄膜的一次成型体移动到由固定模具和可动模具构成的二次模具中,并将树脂注入到通过闭合模具形成的第二模腔中以形成二次模塑件,双色成型品 由一次成型片,二次成型片和介于其间的膜的一体组合构成,其中,第一腔被构造成使一次成型片成形为比膜小,使得膜的一部分从 初级模制件和位于薄膜突出部分以构成第一空腔的壁表面设置有限制薄膜突出部的模具收缩的凸部 初级模制件中的定位部分。
    • 9. 发明申请
    • ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME
    • 变焦镜头和图像拾取器具
    • US20100128360A1
    • 2010-05-27
    • US12566026
    • 2009-09-24
    • Takeshi Nishimura
    • Takeshi Nishimura
    • G02B15/14
    • G02B15/177
    • A zoom lens includes, in order from an object side to an image side, a first lens unit having a negative refractive power and a second lens unit having a positive refractive power. In the zoom lens, an interval between the first and second lens units becomes smaller at a telephoto end than at a wide-angle end during zooming. The first lens unit includes, in order from the object side to the image side, a first lens having a negative refractive power, a second lens having a negative refractive power, which is made of a plastic and has an aspheric lens surface, and a third lens unit having a positive refractive power. In the zoom lens, a refractive index and an Abbe number of the plastic (Nd, νd), a focal length of the second lens (fn), and a focal length of the first lens unit (f1) are appropriately set.
    • 变焦透镜从物体侧到像侧依次包括具有负屈光力的第一透镜单元和具有正折光力的第二透镜单元。 在变焦透镜中,第一透镜单元和第二透镜单元之间的间隔在望远端比在变焦期间的广角端处变小。 第一透镜单元从物体侧到像侧依次包括具有负折光力的第一透镜,具有负屈光力的第二透镜,其由塑料制成并具有非球面透镜表面,以及 具有正屈光力的第三透镜单元。 在变焦透镜中,适当地设定塑料的折射率和阿贝数(Nd,&ngr; d),第二透镜的焦距(fn)和第一透镜单元(f1)的焦距。