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    ARAMID FILM AND ITS USE, METHOD OF MANUFACTURING THE SAME, DETECTION OF PINHOLES IN THE FILM, AND DEVICE FOR THE DETECTION
    1.
    发明公开
    ARAMID FILM AND ITS USE, METHOD OF MANUFACTURING THE SAME, DETECTION OF PINHOLES IN THE FILM, AND DEVICE FOR THE DETECTION 审中-公开
    芳纶及其使用方法及其，检测小孔在影片中，和设备检测

    公开(公告)号：EP1022106A4

    公开(公告)日：2006-10-11

    申请号：EP98937835

    申请日：1998-08-14

    申请人： ASAHI CHEMICAL IND

    发明人： NAGASAWA KEISAKU ,  KASUGA MASAHIRO ,  TANIGUCHI TAKENORI

    IPC分类号： B29C41/52 ,  B29C41/24 ,  B29C41/50 ,  B29D7/01 ,  C08J5/18 ,  G01N21/89 ,  G01N27/20 ,  G01N27/92

    CPC分类号： C08J5/18 ,  B29C2037/90 ,  B29D7/01 ,  B29K2077/10 ,  C08J2377/10 ,  G01N27/205

    摘要： A thin aramid film used as a base for a magnetic tape and other products, which has an average thickness of 1-9 νm and contains at most 20 pinholes/1000 m2 detected by an electric current flowing under the following voltage applied between both sides of the film: voltage for detection (V) = 20 x (average thickness of film in νm). The film is made by the film forming process comprising casting an aramid resin solution from a die into an atmosphere with a cleanliness of JIS Class 6 or lower and wet-processing the cast aramid resin at a solvent removal rate of 3x01-5 g/sec.νm.cm2 or less to solidify the film. The obtained aramid film is inspected continuously for at least 500 m2 with an optical pinhole detector and an electric pinhole detector. The pinhole positions in the longitudinal and lateral directions can be found by calculation and output, as required.

    摘要翻译： 本发明盘松一薄的芳族聚酰胺薄膜其必须的从1到9微米和20 /千米<2>和针孔少的平均厚度，通过满足下式的电压的施加过程中的电流流动检测下面提到， 和所有其被用作磁带的基体材料：在生产芳族聚酰胺电影由worin芳族聚酰胺树脂的溶液从在流延在气氛具有最多的清洁的成膜方法的 JIS类6和铸塑树脂以3×10 <-5>克/秒的脱溶剂速度进行湿处理。 亩m.cm <2>和少到形成固化的电影中，本发明的薄膜的芳族聚酰胺是通过连续地对至少为500m <2>使用在光学针孔检查机和区域检查膜产生针孔 当前应用类型针孔检测装置的。 在膜的纵向和横向方向的针孔的位置可以被计算，并且如果有必要的输出。

    Verfahren zur Herstellung von mehrfarbigen Kunststoff-Formhäuten
    4.
    发明公开
    Verfahren zur Herstellung von mehrfarbigen Kunststoff-Formhäuten 有权

    公开(公告)号：EP1717005A1

    公开(公告)日：2006-11-02

    申请号：EP06111151.4

    申请日：2006-03-15

    申请人： Benecke-Kaliko AG

    发明人： Jakoby, Hans Bernd ,  André, Walter

    IPC分类号： B29C41/18 ,  B29C41/22 ,  B29C41/50

    CPC分类号： B29C41/50 ,  B29C41/18 ,  B29C41/22

    摘要： Verfahren zur Herstellung von mehrfarbigen Kunststoff-Formhäuten im Sinterverfahren durch ein nacheinander erfolgendes mehrfaches kontinuierliches Anschmelzen von Kunststoffpulver (6), wobei die mit Kunststoffpulver unterschiedlicher Farbe versehenen /gesinterten Bereiche der Oberfläche des Formwerkzeugs (4) durch Vorsprünge oder Stege (2) auf der Oberfläche voneinander und mit einer Abdeckung oder Maske (3) versehen sind, wobei die abgedeckten Bereich unter Überdruck (P 1 ) gesetzt werden.

    摘要翻译： 通过将不同颜色的聚合物粉末熔化在加热模具（4）的表面的不同区域上，通过表面上的肋（2）彼此分开的区域来产生多彩色的凹凸皮，包括覆盖由至少一个 带有面罩（3）的肋条，同时熔化一种颜色的粉末。 掩模的边缘具有位于肋上的密封件（8），并且掩蔽区域被加压。

    ARAMID FILM AND ITS USE, METHOD OF MANUFACTURING THE SAME, DETECTION OF PINHOLES IN THE FILM, AND DEVICE FOR THE DETECTION
    5.
    发明公开
    ARAMID FILM AND ITS USE, METHOD OF MANUFACTURING THE SAME, DETECTION OF PINHOLES IN THE FILM, AND DEVICE FOR THE DETECTION 审中-公开
    芳纶及其使用方法及其，检测小孔在影片中，和设备检测

    公开(公告)号：EP1022106A1

    公开(公告)日：2000-07-26

    申请号：EP98937835.1

    申请日：1998-08-14

    申请人： Asahi Kasei Kogyo Kabushiki Kaisha

    发明人： NAGASAWA, Keisaku ,  KASUGA, Masahiro ,  TANIGUCHI, Takenori

    IPC分类号： B29C41/52 ,  B29C41/50 ,  B29C41/24 ,  G01N21/89 ,  G01N27/92

    CPC分类号： C08J5/18 ,  B29C2037/90 ,  B29D7/01 ,  B29K2077/10 ,  C08J2377/10 ,  G01N27/205

    摘要： The present invention discloses a thin aramid film which has an average thickness of from 1 to 9 µm and 20/1,000 m 2 and less of pinholes, detected by a current flow during the application of a voltage satisfying the formula mentioned below, and which is used as a base material of a magnetic tape: detection voltage (V) = 20 x (average thickness of the film represented by micrometers).
    In the production of an aramid film by a film-forming method wherein a solution of an aramid resin is cast from a die in an atmosphere having a cleanness of up to JIS class 6, and the cast resin is subjected to wet treatment at a solvent removal rate of 3 x 10 -5 g/sec·µm·cm 2 and less to form a solidified film, the thin aramid film of the present invention is produced by continuously inspecting the film for pinholes in an area of at least 500 m 2 with an optical pinhole inspection apparatus and a current application type of pinhole detection apparatus.
    The locations of pinholes in the longitudinal and transverse directions of the film can be calculated and outputted if necessary.