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公开(公告)号：US20150298510A1
公开(公告)日：2015-10-22
申请号：US14648681
申请日：2013-11-29
Applicant: THE YOKOHAMA RUBBER CO., LTD.
Inventor： Masatoshi Shimizu , Masatoshi Kuriyama , Shinya Harikae
CPC classification number: B60C15/0036 , B60C5/00 , B60C9/02 , B60C9/18 , B60C9/185 , B60C15/0018 , B60C15/0027 , B60C15/0045 , B60C15/0603 , B60C15/0607 , B60C2009/1878 , B60C2009/2038 , B60C2015/061 , B60C2015/0621
Abstract: A pneumatic tire in which two carcass layers including carcass cords are laid between a pair of bead portions. Bead cores and bead fillers are disposed in the bead portions. At least two belt layers are disposed on the outer circumferential side of the carcass layers. Both ends of the inner carcass layer are folded back from the tire inner side to the tire outer side around the bead cores. The ends of the folded back portions of the inner carcass layer are disposed between the innermost belt layer and the outer carcass layer, while both ends of the outer carcass layer are disposed so as to pass between a main portion of the inner carcass layer and the bead fillers. Both ends of the outer carcass layer terminate at the bead portions without being folded back around the bead cores.
Abstract translation: 一种充气轮胎，其中包括胎体帘线的两个胎体层被放置在一对胎圈部之间。 珠粒和珠填料设置在胎圈部分中。 在胎体层的外周侧设置至少两个带束层。 内侧胎体层的两端从胎圈芯的轮胎内侧向轮胎外侧折回。 内胎体层的折回部分的端部设置在最内侧带层和外胎体层之间，而外胎体层的两端设置成通过内胎体层的主要部分和 珠填料。 外胎体层的两端终止于胎圈部，而不会绕胎圈芯折叠。
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Patent Agency Ranking
公开(公告)号：US12023970B2
公开(公告)日：2024-07-02
申请号：US17995236
申请日：2021-04-02
Applicant: The Yokohama Rubber Co., LTD.
Inventor： Takamitsu Chaya , Shinya Harikae
IPC: B60C9/04
CPC classification number: B60C9/04 , B60C2009/045 , B60C2009/0458 , B60C2009/0466 , B60C2009/0475
Abstract: In a pneumatic tire including a carcass layer mounted between a pair of bead portions and a belt reinforcing layer disposed on an outer circumferential side of the carcass layer, the carcass layer is formed of a carcass cord made of an organic fiber cord, an elongation at break of the carcass cord is set to 20% or more, an elongation under a load of 1.5 cN/dtex of the carcass cord in sidewall portions is set to from 5.0% to 8.0%, the belt reinforcing layer is formed of a cover cord made of an organic fiber cord, and a tensile strength of the cover cord per width of 50 mm at a 3.0% elongation is set to from 2.8 kN to 4.0 kN.
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公开(公告)号：US10780746B2
公开(公告)日：2020-09-22
申请号：US16496751
申请日：2018-03-26
Applicant: THE YOKOHAMA RUBBER CO., LTD.
Inventor： Shinya Harikae
Abstract: A pneumatic tire is provided that can achieve performance that is equivalent to or higher than that of known tires while allowing weight reduction of bead cores by using, for the bead cores, a composite cord. A pneumatic tire includes annular bead cores (5) embedded in bead portions (3), and a carcass layer (4) locked on the bead cores (5). Each of the bead cores (5) includes a cable bead structure in which a composite cord (10) is spirally wound around an annular core body (20), the composite cord including a core wire (11) formed of carbon fibers and a plurality of siding wires (12) formed of glass fibers disposed around the core wire (11).
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公开(公告)号：US20150107745A1
公开(公告)日：2015-04-23
申请号：US14403568
申请日：2013-05-20
Applicant: The Yokohama Rubber Co., LTD.
Inventor： Shinya Harikae
CPC classification number: B60C9/20 , B60C9/0064 , B60C9/2006 , B60C9/28 , B60C2009/2012 , B60C2009/2019 , B60C2009/2022 , B60C2009/2041 , B60C2009/2048 , B60C2009/2077 , B60C2009/2083 , B60C2009/209 , Y10T152/10801
Abstract: A pneumatic radial tire for use on a passenger car of the present technology includes a main belt layer in which belt plies with steel cords embedded at an angle of 15° to 45° with respect to a tire circumferential direction are overlapped in two layers in mutually crossing directions on an outer side in a tire radial direction of a carcass layer of a crown region, wherein, as a belt auxiliary layer, plies with steel cords embedded at an angle of 80° to 90° with respect to a tire circumferential direction are disposed between a carcass layer and an inner side main belt layer so that a portion of the plies is in a position separated 30 mm to the tire equator side, respectively, from both ends in a width direction of the narrow width main belt layer.
Abstract translation: 本技术的乘用车用充气子午线轮胎包括主带层，其中钢帘线相对于轮胎周向以15°至45°的角度嵌入的帘布层相互重叠在两层中 在冠部区域的胎体层的轮胎径向外侧的交叉方向，其中，作为带辅助层，具有相对于轮胎周向嵌入80°至90°的角度的钢丝帘布层， 设置在胎体层和内侧主带束层之间，使得帘布层的一部分分别与宽度窄的主带束层的宽度方向上的两端分别与轮胎赤道侧分开30mm。
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公开(公告)号：US09981510B2
公开(公告)日：2018-05-29
申请号：US14648680
申请日：2013-11-29
Applicant: The Yokohama Rubber Co., LTD.
Inventor： Masatoshi Kuriyama , Masatoshi Shimizu , Shinya Harikae
CPC classification number: B60C15/0036 , B60C5/00 , B60C9/08 , B60C9/20 , B60C15/0018 , B60C15/0045 , B60C15/0603 , B60C15/0607 , B60C2009/0215 , B60C2015/0617 , B60C2015/0621 , B60C2015/0625
Abstract: A pneumatic tire has two carcass layers including carcass cords are laid between a pair of bead portions, bead cores and bead fillers are disposed in the bead portions, and at least two belt layers are disposed on the outer circumferential side of the carcass layers, the tire being characterized in that both ends of the inner carcass layer are folded back from the tire inner side to the tire outer side around the bead cores, and the ends of the folded back portions of the inner carcass layer are disposed between the innermost belt layer and the outer carcass layer, while both ends of the outer carcass layer are disposed so as to pass between a main portion of the inner carcass layer and the bead fillers, and both ends of the outer carcass layer terminate at the bead portions without being folded back around the bead cores.
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公开(公告)号：US20150306920A1
公开(公告)日：2015-10-29
申请号：US14648680
申请日：2013-11-29
Applicant: THE Yokohama Rubber Co., LTD.
Inventor： Masatoshi Kuriyama , Masatoshi Shimizu , Shinya Harikae
CPC classification number: B60C15/0036 , B60C5/00 , B60C9/08 , B60C9/20 , B60C15/0018 , B60C15/0045 , B60C15/0603 , B60C15/0607 , B60C2009/0215 , B60C2015/0617 , B60C2015/0621 , B60C2015/0625
Abstract: A pneumatic tire has two carcass layers including carcass cords are laid between a pair of bead portions, bead cores and bead fillers are disposed in the bead portions, and at least two belt layers are disposed on the outer circumferential side of the carcass layers, the tire being characterized in that both ends of the inner carcass layer are folded back from the tire inner side to the tire outer side around the bead cores, and the ends of the folded back portions of the inner carcass layer are disposed between the innermost belt layer and the outer carcass layer, while both ends of the outer carcass layer are disposed so as to pass between a main portion of the inner carcass layer and the bead fillers, and both ends of the outer carcass layer terminate at the bead portions without being folded back around the bead cores.
Abstract translation: 充气轮胎具有两个胎体层，其中胎体帘布层布置在一对胎圈部之间，胎圈芯和胎圈填料设置在胎圈部分中，并且至少两个带束层设置在胎体层的外周侧上， 轮胎的特征在于，内胎体层的两端从胎圈芯的轮胎内侧向轮胎外侧折回，内胎体层的折回部的端部配置在最内侧带束层 外胎体层的两端配置成通过胎体内胎体层的主要部分和胎圈填料之间，并且外胎体层的两端终止于胎圈部而不折叠 绕着珠芯。
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