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    • 1. 发明授权
    • Core for web material
    • 网络材料的核心
    • US4989802A
    • 1991-02-05
    • US268372
    • 1988-11-07
    • Mutsuo AkaoKoji Inoue
    • Mutsuo AkaoKoji Inoue
    • B29C45/00B65H75/10B65H75/50G03C1/795
    • G03C1/795B29C45/00B65H75/10B65H75/50
    • A core that is adapted to receive web material such as a wound film roll includes inner and outer coaxial cylinders joined together by a ring plate that extends perpendicular to the longitudinal axes of the inner and outer cylinders. A plurality of radially disposed ribs are positioned between and connected to the inner and outer cylinders. At least one projection is provided on the core at one of various places such as the inner surface of the outer cylinder or the outer surface of the inner cylinder. The projection increases frictional resistance between the mold core and the molded core, thereby ensuring the mold core will be ejected with the core from the mold cavity. The core is manufactured from a resin composition comprising 70 to 30 wt. % of polypropylene resin having a melt index of 10 to 60 g/10 minutes, a bending elastic modulus of more than 8,000 kg/cm.sup.2, an Izod impact strength of more than 2 kg.cm/cm and a Rockwell hardness of more than 70 R, 30 to 70 wt. % of linear low density polyethylene resin having a melt index of 3 to 50 g/10 minutes, a density of 0.910 to 0.935 g/cm.sup.3, an Olsen rigidity of more than 1,500 kg/cm.sup.2 and a Shore hardness of more than 40 D, more than 0.01 wt. % of a lubricant and more than 0.01 wt. % of an antioxidant.
    • 适于接收诸如卷绕膜卷筒纸材料的芯包括通过垂直于内筒和外筒的纵向轴线延伸的环板连接在一起的内外轴和外同轴筒。 多个径向设置的肋定位在内筒和外筒之间并连接到内筒和外筒之间。 在诸如外筒的内表面或内筒的外表面的各种位置之一处,在芯上设置至少一个突起。 该突起增加了模芯和模制芯之间的摩擦阻力,从而确保模芯将与芯从模腔中排出。 芯由由70〜30wt。%的树脂组合物制成。 熔体指数为10〜60g / 10分钟,弯曲弹性模量大于8,000kg / cm 2,艾佐德冲击强度大于2kg·cm / cm,洛氏硬度大于70的聚丙烯树脂的% R,30〜70wt。 熔体指数为3〜50g / 10分钟,密度为0.910〜0.935g / cm3,奥氏硬度大于1500kg / cm 2,肖氏硬度大于40D的线性低密度聚乙烯树脂的% 大于0.01重量% %的润滑剂和大于0.01重量% %的抗氧化剂。
    • 6. 发明授权
    • Core for web material
    • 网络材料的核心
    • US5252369A
    • 1993-10-12
    • US926297
    • 1992-08-10
    • Mutsuo AkaoKoji Inoue
    • Mutsuo AkaoKoji Inoue
    • B29C45/00B65H75/10B65H75/50G03C1/795B65H81/00
    • B65H75/10B29C45/00B65H75/50G03C1/795Y10T428/139Y10T428/234
    • A core that is adapted to receive web material such as a wound film roll includes inner and outer coaxial cylinders joined together by a ring plate that extends perpendicular to the longitudinal axes of the inner and outer cylinders. A plurality of radially disposed ribs are positioned between and connected to the inner and outer cylinders. Projection means is provided on the core at one of various places such as the inner surface of the outer cylinder or the outer surface of the inner cylinder. The projection means increases frictional resistance between the mold core and the molded core, thereby ensuring the mold core will be ejected with the core from the mold cavity. The core is manufactured from a resin composition comprising 70 to 30 wt. % of polypropylene resin having a melt index of 10 to 60 g/10 minutes, a bending elastic modulus of more than 8,000 kg/cm.sup.2, an Izod impact strength of more than 2 kg.cm/cm and a Rockwell hardness of more than 70 R, 30 to 70 wt. % of linear low density polyethylene resin having a melt index of 3 to 50 g/10 minutes, a density of 0.910 to 0.935 g/cm.sup. 3, an Olsen rigidity of more than 1,500 kg/cm.sup.2 and a Shore hardness of more than 40 D, more than 0.01 wt. % of a lubricant and more than 0.01 wt. % of an antioxidant.
    • 适于接收诸如卷绕膜卷筒纸材料的芯包括通过垂直于内筒和外筒的纵向轴线延伸的环板连接在一起的内外轴和外同轴筒。 多个径向设置的肋定位在内筒和外筒之间并连接到内筒和外筒之间。 投影装置在诸如外筒的内表面或内筒的外表面的各种位置之一处设置在芯部上。 突起装置增加了模芯和模制芯之间的摩擦阻力,从而确保模芯将从芯从模腔中排出。 芯由由70〜30wt。%的树脂组合物制成。 熔体指数为10〜60g / 10分钟,弯曲弹性模量大于8,000kg / cm 2,艾佐德冲击强度大于2kg·cm / cm,洛氏硬度大于70的聚丙烯树脂的% R,30〜70wt。 熔体指数为3〜50g / 10分钟,密度为0.910〜0.935g / cm 3,奥氏硬度大于1500kg / cm 2,肖氏硬度大于40D的线性低密度聚乙烯树脂的% ,大于0.01重量% %的润滑剂和大于0.01重量% %的抗氧化剂。
    • 10. 发明授权
    • Color master batch resin composition for packing material for
photographic photosensitve material and packaging material
    • 用于照相感光材料和包装材料的包装材料的色母料树脂组合物
    • US6022924A
    • 2000-02-08
    • US113336
    • 1998-07-10
    • Mutsuo AkaoKoji Inoue
    • Mutsuo AkaoKoji Inoue
    • G03C3/00C08J3/22C08K3/02C08K3/04C08K5/10C08L23/02C08L23/04C08L25/06C08L51/04C08L51/06C08L53/00C08L101/00
    • C08J3/226C08L25/06C08L51/04C08L51/06C08L53/00G03C3/00C08J2425/00C08L23/04Y10T428/1352
    • A color masterbatch resin composition for a packaging material for a photographic photosensitive material which does not adversely affect photographic properties of the photographic photosensitive material, comprising a light-shielding material in a concentration thrice as much as or more that of the packaging material for a photographic photosensitive material, and a thermoplastic resin of which 50 wt. % or more is the same type as a thermoplastic resin occupying 50 wt. % or more of the total thermoplastic resin composing the packaging material for a photographic photosensitive material, production thereof, a packaging material for a photographic photosensitive material formed of a color masterbatch resin composition, and production thereof. In the color masterbatch resin composition and the packaging material for a photographic photosensitive material of the invention, hight-shielding material is dispersed uniformly by employing a special resin composition, and thereby, adverse affects upon photographic photosensitive materials are prevented, and favorable appearance can be ensured. Moreover, fog with time, abnormal sensitivity, abrasion, pressure marks, etc. can be prevented.
    • 一种用于照相感光材料的包装材料的彩色母料树脂组合物,其不会对照相感光材料的照相性能产生不利影响,包括浓度为摄影包装材料的三倍以上的光屏蔽材料 感光材料和热塑性树脂,其中50重量% %以上是与占50重量份的热塑性树脂相同的类型。 构成感光感光材料用包装材料的总热塑性树脂的%以上,其制造方法,彩色母料树脂组合物形成的感光感光材料用包装材料及其制造。 在本发明的彩色母料树脂组合物和照相感光材料用包装材料中,通过使用特殊的树脂组合物将高屏蔽材料均匀地分散,从而防止对照相感光材料的不良影响,并且可以有良好的外观 确保。 此外,可以防止具有时间,异常敏感性,磨损,压痕等的雾。