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1. 发明专利

JP2013189496A Silicone rubber sponge composition and sponge body 有权
标题翻译：硅橡胶海绵组合物和海绵体
公开(公告)号：JP2013189496A
公开(公告)日：2013-09-26
申请号：JP2012054812
申请日：2012-03-12
申请人： Fukoku Co Ltd , 株式会社フコク
发明人： SAWADA MAKOTO , OKAMOTO YASUYOSHI
IPC分类号： C08J9/28 , G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a silicone rubber sponge composition having a stable electric conductivity in which carbon black does not drop out due to water foam, and provide a sponge body.SOLUTION: In an electric conductive silicone rubber sponge composition containing carbon black in which light transmittance value of an extract is 10% or more, the light transmittance of the extract is measured by a spectrophotometer as follows; 10g of the electric conductive silicone rubber sponge composition is mixed with 100g of distilled water with addition of 1% of surfactant and stirred for 24 hours by a shaker and supernatant liquid after being left still for one minute is taken into a 10 mm square cell, and the light transmittance is measured by the spectrophotometer.
摘要翻译：要解决的问题：提供一种具有稳定导电性的硅橡胶海绵组合物，其中炭黑不会由于水泡沫而脱落，并提供海绵体。解决方案：在含有炭黑的导电硅橡胶海绵组合物中提取物的透光率值为10％以上，通过分光光度计测定提取物的透光率如下：将10g导电性硅橡胶海绵组合物与100g蒸馏水混合，加入1％表面活性剂，通过振荡器搅拌24小时，静置1分钟后将上清液置于10mm见方孔中，通过分光光度计测定透光率。

2. 发明专利

JP2010151175A Resin boot for constant velocity joint 有权
标题翻译：树脂启动用于恒定速度接头
公开(公告)号：JP2010151175A
公开(公告)日：2010-07-08
申请号：JP2008327991
申请日：2008-12-24
申请人： Fukoku Co Ltd , 株式会社フコク
发明人： OKAMOTO YASUYOSHI , WATANABE HIDEAKI , SAWADA MAKOTO , AMANUMA TAKESHI
IPC分类号： F16D3/84 , F16J3/04 , F16J15/52
摘要： PROBLEM TO BE SOLVED: To provide a resin boot for a constant velocity joint, securing sealing performance without separately incorporating a seal member, maintaining stable sealing performance for a long term and maintaining sufficient sealing performance even when using a low-priced fastening member.
SOLUTION: The resin boot for the constant velocity joint includes a first annular end P1 fixed to a shaft part 2a of the constant velocity joint 2, a second annular end P3 fixed to a housing 2b of the constant velocity joint and an annular bellows P2 formed between the first end and the second end and has a first fastening part 6a for installing the ring-shaped fastening member to an outer periphery of the first end, and the first end is fixed to the shaft part of the constant velocity joint with the first fastening part fastened by the fastening member 4a. An elastic layer 22a for closely contacting with an outer peripheral surface 2s of the shaft part is integrally provided on an inner peripheral surface as of the first fastening part along a circumferential direction and the elastic layer is set to have a lower hardness than the first end.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于等速万向节的树脂护套，在没有单独地结合密封构件的情况下确保密封性能，长期保持稳定的密封性能并且即使使用低价紧固件也能保持足够的密封性能会员。解决方案：用于等速万向节的树脂罩包括固定到等速万向节2的轴部2a的第一环形端P1，固定到等速万向节的壳体2b的第二环形端P3和环形波纹管P2形成在第一端和第二端之间，并且具有用于将环形紧固构件安装到第一端的外周的第一紧固部6a，并且第一端固定到等速万向节的轴部其中第一紧固部分由紧固构件4a紧固。与轴部的外周面2s紧密接触的弹性层22a一体地设置在沿着周向的第一紧固部的内周面上，弹性层的硬度比第一端。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009139836A Sponge roll for fixing device, method for manufacturing the same and image forming apparatus 有权
标题翻译：用于固定装置的海绵滚子，其制造方法和图像形成装置
公开(公告)号：JP2009139836A
公开(公告)日：2009-06-25
申请号：JP2007318379
申请日：2007-12-10
申请人： Fukoku Co Ltd , 株式会社フコク
发明人： SAWADA MAKOTO , OKAMOTO YASUYOSHI , HIRASAWA KOICHIRO
IPC分类号： G03G15/20 , C08J9/28
摘要： PROBLEM TO BE SOLVED: To improve the durability of a sponge roll used in a fixing device as well as to smoothly rotate the sponge roll. SOLUTION: The loss coefficient (tanδ) of an elastic layer 11a of the sponge roll 11 used in a fixing device 10 is confined so that it becomes ≤0.15 when an oscillation having a frequency of 10 Hz is applied in a shear direction at 23°C. As a result, even in rotation under pressure, shear deformation of the elastic layer 11a is regulated and distortion occurs hardly, so that it is made easy to smoothly rotate the sponge roll 11 without requiring large power. Since hardness change and outside diameter change of the sponge roll 11 with time are small and break is suppressed, the durability of the sponge roll 11 is improved. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提高在定影装置中使用的海绵辊的耐久性以及平滑地旋转海绵辊。解决方案：在定影装置10中使用的海绵辊11的弹性层11a的损耗系数（tanδ）被限制为当在剪切方向上施加频率为10Hz的振荡时，其变为≤0.15 在23℃。结果，即使在压力下旋转，弹性层11a的剪切变形也被调节，几乎不发生变形，从而容易使海绵辊11平滑地旋转而不需要大的功率。由于随着时间的推移，海绵辊11的硬度变化和外径变化小，破裂受到抑制，海绵辊11的耐久性提高。版权所有（C）2009，JPO＆INPIT

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