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公开(公告)号：US20170210168A1
公开(公告)日：2017-07-27
申请号：US15409129
申请日：2017-01-18
发明人： Ji Wan Lee , Kil Ju Ko , Sung Tae Kim , Hyun Ran Cho , II Yong Park
CPC分类号： B60C9/005 , B60C9/0042 , B60C9/0064 , B60C2009/2077 , B60C2009/2096 , D01F6/60 , D01F6/605 , D02G3/48 , D10B2331/02
摘要： Disclosed are a hybrid cord produced by plying and twisting high modulus yarns and polyamide monofilaments, and a tire including the same. More specifically, disclosed is a method of producing a hybrid cord having a clear core-covering structure including a core comprising a polyamide monofilament and a covering spirally twisted around the core and comprising a high modulus yarn. The hybrid cord can clearly control the modulus ratio in each area, improving production efficiency of the cord and processability of the tire and reducing deviations of uniformity and driving performance. In addition, the tire using the hybrid cord reduces tire deformation during driving, thus satisfying both driving performance and comfort.
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公开(公告)号：US10266009B2
公开(公告)日：2019-04-23
申请号：US15409129
申请日：2017-01-18
发明人： Ji Wan Lee , Kil Ju Ko , Sung Tae Kim , Hyun Ran Cho , Il Yong Park
摘要： Disclosed are a hybrid cord produced by plying and twisting high modulus yarns and polyamide monofilaments, and a tire including the same. More specifically, disclosed is a method of producing a hybrid cord having a clear core-covering structure including a core comprising a polyamide monofilament and a covering spirally twisted around the core and comprising a high modulus yarn. The hybrid cord can clearly control the modulus ratio in each area, improving production efficiency of the cord and processability of the tire and reducing deviations of uniformity and driving performance. In addition, the tire using the hybrid cord reduces tire deformation during driving, thus satisfying both driving performance and comfort.
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公开(公告)号：US10035379B2
公开(公告)日：2018-07-31
申请号：US14884218
申请日：2015-10-15
发明人： Ji Wan Lee , Il Yong Park , Kum Kang Hwang , Mi Jung Lee , Sung Tae Kim , Hyun Ran Cho
CPC分类号： B60C9/005 , B60C9/0042 , B60C9/1821 , B60C9/2003 , B60C2009/0035 , B60C2009/0078 , B60C2009/0092 , D02G3/045 , D02G3/047 , D02G3/48
摘要： A hybrid cord for a tire, a method of manufacturing the same, and a high-performance environment-friendly radial tire including the same are disclosed herein. The hybrid cord includes a high-modulus fiber ply and a low-modulus fiber ply. The hybrid cord has a stress-strain curve including an initial modulus section, an intermediate modulus section and a final modulus section. The initial modulus of the initial modulus section is higher than the intermediate modulus of the intermediate modulus section, and the final modulus of the final modulus section is higher than the intermediate modulus.
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