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    • 3. 发明申请
    • Method for Manufacturing Optical Film
    • 光学膜制造方法
    • US20090230576A1
    • 2009-09-17
    • US12226587
    • 2007-04-02
    • Katsusuke Nagashima
    • Katsusuke Nagashima
    • B29D11/00
    • B29C41/28B29K2995/0034
    • A method for manufacturing an optical film comprising the steps of: 1) casting a dope (a solution), prepared by dissolving thermoplastic resin film raw materials in a solvent, from a casting die onto an at least 1.8 m wide belt support, and 2) drying a cast web (a cast film) peeled from the belt support, wherein the belt support has a thickness (Te) at both right and left end portions, of 5-20% less than a thickness (T) of the remaining portion including the transverse center portion of the belt support, provided that the Te indicates a thickness at both right and left end portions, each having a width (We) of 2-25% of a total width (W) of the belt support when viewed from both right and left side edges thereof.
    • 一种光学膜的制造方法,其特征在于,具备:1)将从热塑性模具中将热塑性树脂膜原料溶解而成的涂料(溶液)流延到至少1.8m宽的带状载体上, )干燥从带支撑件剥离的流延网(流延薄膜),其中所述带支撑件在左右两端具有厚度(Te),比其余部分的厚度(T)小5-20% 包括带支撑件的横向中心部分,条件是Te表示在左右两端部处的厚度,每个具有当观察时带支撑件的总宽度(W)的2-25%的宽度(We) 从其左右两侧边缘。
    • 5. 发明申请
    • Optical film and production method of the same
    • 光学薄膜及其制作方法相同
    • US20060115610A1
    • 2006-06-01
    • US11286201
    • 2005-11-23
    • Katsusuke Nagashima
    • Katsusuke Nagashima
    • B29D11/00
    • B29D7/01B29C55/08B29C2037/90B29K2995/0032Y10T428/1036
    • A method of producing an optical film comprising the step of: stretching a continuous resinous film by apply tension to a transverse direction of the resinous film while conveying the resinous film, wherein the stretching is carried out with a stretching apparatus comprising right and left edge holding devices which hold right and left edges of the resinous film; and, the right and left edge holding devices of the stretching apparatus each independently controls right and left edge holding distances of the resinous film so that a slow axis of the resinous film is substantially perpendicular or substantially parallel to a film conveying direction, provided that the edge holding distance is defined as a distance between an initiation position and a cessation position of holding of the edge of the resinous film.
    • 一种制造光学膜的方法,包括以下步骤:在输送树脂膜的同时,通过在树脂膜的横向施加张力来拉伸连续的树脂膜,其中用拉伸装置进行拉伸,所述拉伸装置包括左右边缘保持 保持树脂膜的左右边缘的装置; 并且拉伸装置的左右边缘保持装置各自独立地控制树脂膜的左右边缘保持距离,使得树脂膜的慢轴基本上垂直或基本上平行于膜输送方向,条件是 边缘保持距离被定义为保持树脂膜边缘的起始位置和停止位置之间的距离。
    • 7. 发明授权
    • Optical film and production method of the same
    • 光学薄膜及其制作方法相同
    • US07749411B2
    • 2010-07-06
    • US11286201
    • 2005-11-23
    • Katsusuke Nagashima
    • Katsusuke Nagashima
    • B29D11/00B29D55/12
    • B29D7/01B29C55/08B29C2037/90B29K2995/0032Y10T428/1036
    • A method of producing an optical film comprising the step of: stretching a continuous resinous film by apply tension to a transverse direction of the resinous film while conveying the resinous film, wherein the stretching is carried out with a stretching apparatus comprising right and left edge holding devices which hold right and left edges of the resinous film; and, the right and left edge holding devices of the stretching apparatus each independently controls right and left edge holding distances of the resinous film so that a slow axis of the resinous film is substantially perpendicular or substantially parallel to a film conveying direction, provided that the edge holding distance is defined as a distance between an initiation position and a cessation position of holding of the edge of the resinous film.
    • 一种制造光学膜的方法,包括以下步骤:在输送树脂膜的同时,通过在树脂膜的横向施加张力来拉伸连续的树脂膜,其中用拉伸装置进行拉伸,所述拉伸装置包括左右边缘保持 保持树脂膜的左右边缘的装置; 并且拉伸装置的左右边缘保持装置各自独立地控制树脂膜的左右边缘保持距离,使得树脂膜的慢轴基本垂直或基本上平行于膜输送方向,条件是 边缘保持距离被定义为保持树脂膜边缘的起始位置和停止位置之间的距离。
    • 8. 发明授权
    • Method for manufacturing optical film
    • 光学膜的制造方法
    • US07727445B2
    • 2010-06-01
    • US12226587
    • 2007-04-02
    • Katsusuke Nagashima
    • Katsusuke Nagashima
    • B29C41/28B29C41/38
    • B29C41/28B29K2995/0034
    • A method for manufacturing an optical film comprising the steps of: 1) casting a dope (a solution), prepared by dissolving thermoplastic resin film raw materials in a solvent, from a casting die onto an at least 1.8 m wide belt support, and 2) drying a cast web (a cast film) peeled from the belt support, wherein the belt support has a thickness (Te) at both right and left end portions, of 5-20% less than a thickness (T) of the remaining portion including the transverse center portion of the belt support, provided that the Te indicates a thickness at both right and left end portions, each having a width (We) of 2-25% of a total width (W) of the belt support when viewed from both right and left side edges thereof.
    • 一种光学膜的制造方法,其特征在于,具备:1)将从热塑性模具中将热塑性树脂膜原料溶解而成的涂料(溶液)流延到至少1.8m宽的带状载体上, )干燥从带支撑件剥离的流延网(流延薄膜),其中所述带支撑件在左右两端具有厚度(Te),比其余部分的厚度(T)小5-20% 包括带支撑件的横向中心部分,条件是Te表示在左右两端部处的厚度,每个具有当观察时带支撑件的总宽度(W)的2-25%的宽度(We) 从其左右两侧边缘。