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1. 发明申请

US20050133140A1 Steel cord having ultrafine steel filaments to reinforce tire carcass and radial tire for passenger car using the same 审中-公开
标题翻译：具有超细钢丝的钢丝绳，用于加强轮胎胎体和乘用车的子午线轮胎
公开(公告)号：US20050133140A1
公开(公告)日：2005-06-23
申请号：US11014092
申请日：2004-12-15
申请人： Byung Lee , Seung Lim , Sung Sin , Bong Sohn , Seok-Ho Kim , Dong Lim
发明人： Byung Lee , Seung Lim , Sung Sin , Bong Sohn , Seok-Ho Kim , Dong Lim
IPC分类号： B60C9/00 , B60C9/08 , B60C9/20 , D07B1/06 , B60C9/04 , D07B1/08
CPC分类号： D07B1/062 , B60C9/0007 , B60C9/08 , B60C9/2006 , D07B2201/2006 , D07B2201/2023 , D07B2201/2024 , D07B2201/2039 , D07B2201/2051 , D07B2201/2059 , D07B2201/2081 , D07B2205/3057 , D07B2401/208 , D07B2501/2046 , Y10T152/10855 , D07B2801/12 , D07B2801/10
摘要： The object of this invention is to provide a steel cord, which has ultrafine steel filaments with a diameter of 0.04-0.14 mm stranded with each other so as to reinforce a tire carcass, and a radial tire for a passenger car using the same. The steel cord includes one core filament with a diameter of 0.04-0.14 mm and 4-7 sheath filaments, each having a diameter of 0.04-0.14 mm, spirally stranded around the core filament. At this time, the steel cord has a diameter of 0.2-0.5 mm and shear strength of 25-35 kgf. Additionally, each of the sheath filaments has a smaller diameter than the core filament, and the core filament and the sheath filaments are made of the steel filaments. The radial tire includes the tire carcass provided with the steel cord and a topping sheet, and the steel cord is embedded in the topping sheet such that a rubber gauge ratio is 200-500% and a rubber clearance ratio is 60-250%. The steel cord has improved physical properties, such as shear strength and durability, to reduce a thickness of a carcass including the steel cord, leading to the reduction of a weight of the radial tire. Furthermore, controlling stability and durability of the radial tire are improved, thereby reducing costs of maintenance of the passenger car.
摘要翻译：本发明的目的是提供一种钢帘线，其具有彼此绞合的直径为0.04-0.14mm的超细钢丝，以加强轮胎胎体，以及使用该帘线的乘用车的子午线轮胎。钢帘线包括直径为0.04-0.14mm的一根芯丝和4-7根长丝，各自具有0.04-0.14mm的直径，围绕芯丝螺旋绞合。此时，钢帘线的直径为0.2-0.5mm，剪切强度为25-35kgf。另外，每根护套长丝的直径小于芯丝，芯丝和护套长丝由钢丝制成。子午线轮胎包括设置有钢丝帘线的轮胎胎体和顶板，并且钢帘线嵌入顶片中，使得橡胶规格比为200-500％，橡胶间隙率为60-250％。钢帘线具有改善的物理性能，例如剪切强度和耐久性，以减少包括钢帘线的胎体的厚度，导致子午线轮胎的重量的降低。此外，提高了子午线轮胎的稳定性和耐久性，从而降低了乘用车的维护成本。

2. 发明申请

US20080011401A1 STEEL CORD HAVING ULTRAFINE STEEL FILAMENTS TO REINFORCE TIRE CARCASS AND RADIAL TIRE FOR PASSENGER CAR USING SAME 审中-公开
标题翻译：具有超导钢丝的钢丝绳，用于加固轮胎轮胎和径向轮胎，用于乘客车辆
公开(公告)号：US20080011401A1
公开(公告)日：2008-01-17
申请号：US11772470
申请日：2007-07-02
申请人： Byung Lee , Seung Lim , Sung Sin , Bong Sohn
发明人： Byung Lee , Seung Lim , Sung Sin , Bong Sohn
IPC分类号： B60C9/28
CPC分类号： D07B1/062 , B60C9/0007 , B60C9/08 , B60C9/2006 , D07B2201/2006 , D07B2201/2023 , D07B2201/2024 , D07B2201/2039 , D07B2201/2051 , D07B2201/2059 , D07B2201/2081 , D07B2205/3057 , D07B2401/208 , D07B2501/2046 , Y10T152/10855 , D07B2801/12 , D07B2801/10
摘要： The object of this invention is to provide a steel cord, which has ultrafine steel filaments with a diameter of 0.04-0.14 mm stranded with each other so as to reinforce a tire carcass, and a radial tire for a passenger car using the same. The steel cord includes one core filament with a diameter of 0.04-0.14 mm and 4-7 sheath filaments, each having a diameter of 0.04-0.14 mm, spirally stranded around the core filament. At this time, the steel cord has a diameter of 0.2-0.5 mm and shear strength of 25-35 kgf. Additionally, each of the sheath filaments has a smaller diameter than the core filament, and the core filament and the sheath filaments are made of the steel filaments. The radial tire includes the tire carcass provided with the steel cord and a topping sheet, and the steel cord is embedded in the topping sheet such that a rubber gauge ratio is 200-500 % and a rubber clearance ratio is 60-250 %. The steel cord has improved physical properties, such as shear strength and durability, to reduce a thickness of a carcass including the steel cord, leading to the reduction of a weight of the radial tire. Furthermore, controlling stability and durability of the radial tire are improved, thereby reducing costs of maintenance of the passenger car.
摘要翻译：本发明的目的是提供一种钢帘线，其具有彼此绞合的直径为0.04-0.14mm的超细钢丝，以加强轮胎胎体，以及使用该帘线的乘用车的子午线轮胎。钢帘线包括直径为0.04-0.14mm的一根芯丝和4-7根长丝，各自具有0.04-0.14mm的直径，围绕芯丝螺旋绞合。此时，钢帘线的直径为0.2-0.5mm，剪切强度为25-35kgf。另外，每根护套长丝的直径小于芯丝，芯丝和护套长丝由钢丝制成。子午线轮胎包括设置有钢丝帘线的轮胎胎体和顶板，并且钢帘线嵌入顶片中，使得橡胶规格比为200-500％，橡胶间隙率为60-250％。钢帘线具有改善的物理性能，例如剪切强度和耐久性，以减少包括钢帘线的胎体的厚度，导致子午线轮胎的重量的降低。此外，提高了子午线轮胎的稳定性和耐久性，从而降低了乘用车的维护成本。

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