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    • 118. 发明申请
    • FRICTION TRANSMISSION BELT
    • 摩擦传动皮带
    • US20140066244A1
    • 2014-03-06
    • US14005972
    • 2012-02-01
    • Satoshi FurukawaKazuma Yamamoto
    • Satoshi FurukawaKazuma Yamamoto
    • F16G5/08B29D29/00
    • F16G5/08B29D29/00C08J5/06C08L23/16C08L77/02C08L77/06C08L2205/02C08L2205/025C08L2205/16F16G5/20
    • The durability of a frictional power transmission belt is improved. A V-ribbed belt (10) comprises an adhesion rubber portion (12) and a compression rubber portion (14) provided below the adhesion rubber portion (12). A cord (11) that is a tension member of the belt is embedded in the adhesion rubber portion (12). The adhesion rubber portion (12) includes an upper layer (12A) constituting the upper side and a lower layer (12B) constituting the lower side, which are located across the cord (11). The upper layer (12A) and the lower layer (12B) are obtained by vulcanizing a rubber composition including a high-viscosity elastomer such as EPM or EPDM, and a low-viscosity elastomer which is lower in Mooney viscosity than the high-viscosity elastomer, and contain modified nylon microfibers as short fibers (21A), (21B), respectively. The short fibers (21A), (21B) are oriented, respectively, in the width direction and longitudinal direction of the belt.
    • 提高了摩擦传动带的耐用性。 V形肋带(10)包括粘合橡胶部分(12)和设置在粘合橡胶部分(12)下方的压缩橡胶部分(14)。 作为带的张力构件的帘线(11)嵌入到粘合橡胶部(12)中。 粘合橡胶部分(12)包括构成上侧的上层(12A)和构成下侧的下层(12B),其位于帘线(11)的两侧。 上层(12A)和下层(12B)通过硫化包含EPM或EPDM等高粘度弹性体的橡胶组合物和门尼粘度低于高粘度弹性体的低粘度弹性体而得到 ,并分别含有作为短纤维的改性尼龙微纤维(21A),(21B)。 短纤维(21A),(21B)分别在带的宽度方向和长度方向上取向。