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    • 8. 发明专利
    • Resin molded article, method for producing the same, and mold for resin molded article
    • 树脂模制品,其生产方法和用于树脂模制品的模具
    • JP2012051291A
    • 2012-03-15
    • JP2010196901
    • 2010-09-02
    • Olympus Corpオリンパス株式会社
    • OTSUKA YOSHITAKAKIKUMORI KAZUHIRO
    • B29C45/16A61B1/00B29C45/14B29C45/26G02B3/00G02B7/02G02B23/24
    • G02B1/041A61B1/00064A61B1/00096A61B1/0011B29C45/16B29C2045/14131B29D11/005B29D11/0073B29K2995/0025B29K2995/0026B29L2011/0016G02B23/243
    • PROBLEM TO BE SOLVED: To provide an optical element capable of assuring molding stability and light-shielding function even in an adjacent member obtained by secondary molding without lowering qualities of the optical element obtained by primary molding on account of the secondary molding, a resin molded article molded integrally with the adjacent member adjacent thereto, method for producing the resin molded article, and a mold for the resin molded article.SOLUTION: When primarily molding an optical element 1 in a primary cavity 1,000 between a movable side mold 300 of a mold 10 for primary molding and a primary stationary side mold 100, a rotation-restricted part 1c is formed onto the optical element 1. When secondarily molding an adjacent member 2 in a secondary cavity 5,000 between the movable side mold 300 holding the optical element 1 with a mold 20 for secondary molding and a secondary stationary side mold 200 after opening the movable side mold 300 of the mold 10 for primary molding and the primary stationary side mold 100, slippage of the optical element 1 in the rotational direction around a center line of the optical element 1 is restricted by the rotation-restricted part 1c of the optical element 1 and the convexo-concave engaging part of a junction part with a molding face of the movable side mold 300.
    • 要解决的问题:即使在通过二次成型获得的相邻构件中也能够确保成型稳定性和遮光功能的光学元件而不降低由于二次成型而获得的通过一次成型获得的光学元件的质量, 与相邻的相邻构件一体模制的树脂模制品,用于制造树脂模塑制品的方法和用于树脂模塑制品的模具。 解决方案:在主要模制用模具10的可移动侧模具300和初级固定侧模具100之间的主空腔1000中主要模制光学元件1时,在光学元件上形成旋转限制部分1c 在将模具10的可动侧模具300打开之后,将保持光学元件1的可动侧模具300与二次模塑用模具20之间的二次空腔5000中的相邻构件2成型成二次静止侧模具200时, 对于初级模制和主要固定侧模具100,光学元件1围绕光学元件1的中心线在旋转方向上滑动受到光学元件1的旋转限制部分1c的限制,并且凹凸接合 具有可移动侧模300的成型面的接合部的一部分。版权所有(C)2012,JPO&INPIT