公开(公告)号：US20100000645A1

公开(公告)日：2010-01-07

申请号：US12440935

申请日：2007-08-23

Applicant: Kiyoshi Ikehara

Inventor： Kiyoshi Ikehara

IPC: B60C9/00 ,  D07B1/06 ,  B60C9/22

CPC classification number: B60C9/0007 ,  B60C9/22 ,  D07B1/0613 ,  D07B1/0633 ,  D07B1/0653 ,  D07B5/10 ,  D07B2201/1004 ,  D07B2201/1076 ,  D07B2201/2006 ,  D07B2201/2018 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2029 ,  D07B2201/2039 ,  D07B2201/204 ,  D07B2201/2051 ,  D07B2201/206 ,  D07B2401/208 ,  D07B2501/2046 ,  D07B2801/12

Abstract: A steel cord which has no production problem noted in the related art and which can be produced efficiently with stable quality, particularly a steel cord useful for the purpose of reinforcing a tire crown portion, as well as a composite of rubber and steel cord and a tire, which include the steel cord, are provided.A steel cord has a multi-twist structure in which N (N=2 to 8) strands 2 are twisted, each strand 2 being formed by twisting a plurality of element wires 1 and having a substantially elliptical cross-section, wherein d1/d2>1.08 is satisfied, where the major diameter of the strand 2 is represented by d1 and the minor diameter is represented by d2, and εc defined by the following equation: εc=√{square root over ( )}(−b/2+√{square root over ( )}(b2/4−c))−1 (in the equation, b represents −1+π2(−4R2+d2)/P2, c represents π2d2k(4π2R2+P2)/P4, R represents (D−d)/2, k represents tan2(π/2−π/N), and d represents (d1+d2)/2) satisfies εc>0.005, where the diameter of a circle circumscribing the cord is represented by D (mm) and the twist pitch of the cord is represented by P (mm).

Abstract translation: 现有技术中没有注意到生产问题的钢丝帘线，其质量可以有效地生产，特别是用于加强轮胎胎面部分的钢帘线，以及橡胶和钢帘线和 提供包括钢丝绳的轮胎。 钢丝帘线具有N（N = 2〜8）股2绞合的多捻结构，每股2是通过扭转多个元件丝1而形成的，具有大致椭圆形的横截面，其中d1 / d2 > 1.08，其中股2的主直径由d1表示，小直径由d2表示，epsilon由以下等式定义：epsilon =√{平方根超过（）}（ - b / 2 + √（平方根超过（）}（b2 / 4-c））-1（在等式中，b表示-1 + pi2（-4R2 + d2）/ P2，c表示pi2d2k（4pi2R2 + P2）/ P4，R 表示（Dd）/ 2，k表示tan2（pi / 2-pi / N），d表示（d1 + d2）/ 2）满足ε≥0.005，其中，用绳索包围的圆的直径由D（ mm），绳索的捻距由P（mm）表示。

公开(公告)号：US07596937B2

公开(公告)日：2009-10-06

申请号：US11547717

申请日：2005-04-07

Applicant: Kenichi Okamoto ,  Yasuo Sakai ,  Kazuhiko Saito

Inventor： Kenichi Okamoto ,  Yasuo Sakai ,  Kazuhiko Saito

IPC: D02G3/22 ,  D02G3/48

CPC classification number: D07B3/02 ,  B60C9/0007 ,  D07B1/0613 ,  D07B1/062 ,  D07B3/10 ,  D07B2201/104 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2038 ,  D07B2207/205 ,  D07B2207/4009 ,  D07B2207/4013 ,  D07B2501/2046 ,  D07B2801/12

Abstract: A rubber product-reinforcing metallic cord is provided which comprises three to five metallic filaments, which shows a high degree of penetration of rubber without reducing compressive rigidity, and which can be manufactured at low facility and production costs. A rubber product-reinforcing metallic cord 7 is formed by twisting together a pre-strand 6 comprising a first metallic filament 1 and a second metallic filament 2 helically wrapped around the first filament 1, and a fifth metallic filament 3 (or 5) with a twist pitch P. The metallic cord 7 may be formed by twisting together two of such pre-strands, or by twisting together two of such pre-strands and the fifth metallic filament.

Abstract translation: 提供一种橡胶制品增强金属帘线，其包括三至五根金属丝，其显示出高度的橡胶渗透性，而不降低抗压刚度，并且可以以低的设备和生产成本制造。 通过将包括第一金属细丝1和螺旋缠绕在第一丝1周围的第二金属细丝2的预捻线6和第五金属丝3（或5）与第一金属细丝3 扭曲节距P.金属帘线7可以通过将两根这样的预股线捻合在一起而形成，或者通过将两条这样的预股线和第五金属丝捻合在一起而形成。

公开(公告)号：US20090205308A1

公开(公告)日：2009-08-20

申请号：US12439039

申请日：2006-08-31

Applicant: Masanori Aoyama

Inventor： Masanori Aoyama

IPC: D07B1/06

CPC classification number: B60C9/0007 ,  B60C9/08 ,  B60C9/2006 ,  D07B1/0613 ,  D07B1/0626 ,  D07B1/0633 ,  D07B2201/102 ,  D07B2201/1068 ,  D07B2201/1072 ,  D07B2201/1084 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2028 ,  D07B2201/2039 ,  D07B2201/204 ,  D07B2201/2061 ,  D07B2201/2097 ,  D07B2501/2046 ,  D07B2801/24

Abstract: Provided are a steel cord for reinforcing rubber whose fatigue resistance is increased more than ever to enable achieving high durability that was not conventionally realized, and a pneumatic radial tire including the steel cord as a reinforcement member.In a steel cord for reinforcing rubber having a double-twist structure that includes a plurality of strands twisted together in the same direction with the same pitch and including a central structure and at least one outer layer, the central structure is composed of at least two strands being twisted around each other and each being composed of at least seven filaments being twisted together. In a steel cord for reinforcing rubber including at least three core strands being twisted together and at least six sheath strands being twisted together around the core strands, the core strands and the sheath strands are twisted in the same direction.

Abstract translation: 提供了一种用于增强橡胶的钢帘线，其耐疲劳性比以往任何时候都提高，以实现不常规实现的高耐久性，以及包括钢帘线作为加强构件的充气子午线轮胎。 在具有双捻结构的增强橡胶用钢丝帘线中，所述双线捻结构包括以相同间距沿相同方向扭绞在一起并包括中心结构和至少一个外层的多股线，所述中心结构由至少两个 线束彼此扭转，并且每个由至少七根长丝扭曲在一起构成。 在用于增强橡胶的钢丝绳中，包括至少三根芯股绞合在一起，并且至少六根鞘股绕着芯线绞合在一起，芯股线和鞘股线沿同一方向扭转。

公开(公告)号：US07251922B2

公开(公告)日：2007-08-07

申请号：US10333498

申请日：2002-03-28

Applicant: Noritaka Morioka ,  Sinya Harikae

Inventor： Noritaka Morioka ,  Sinya Harikae

IPC: D02G3/48

CPC classification number: D07B1/062 ,  B60C9/0007 ,  B60C9/0057 ,  B60C9/2006 ,  B60C9/22 ,  D07B2201/2008 ,  D07B2201/2021 ,  D07B2201/2022 ,  D07B2201/2024 ,  D07B2201/2039 ,  D07B2401/2005 ,  D07B2401/201 ,  D07B2501/2046

Abstract: A zero degree tire reinforcing steel cord is formed by twisting together four to seven individual wires having a wire diameter of 0.20 to 0.45 mm, wherein the steel cord has a substantially spiral or a substantially planar wavy deformation, has an elongation of 1.2% to 2.0% under a tensile load of 50 N and becomes substantially linear with its wavy deformation disappearing under a tensile load of 50 to 250 N. The steel cord stretches to a moderate extent so as to track expansion of the tire in the radial direction during the vulcanization process and thereafter restrains expansion of the tire in the radial direction during continued high speed rotation of the tire.

Abstract translation: 通过将线直径为0.20至0.45mm的四至七根单独的线扭合在一起形成零度轮胎加强钢丝绳，其中钢丝绳具有基本上螺旋状或基本上平面的波浪形变，其伸长率为1.2％至2.0 在50N的拉伸载荷下，其波浪形变形消失，基本上呈线性，并且在拉伸载荷为50〜250N时消失。钢帘线在中等程度上拉伸，以便在硫化期间跟踪径向方向的轮胎的膨胀 然后在轮胎的持续高速旋转期间抑制轮胎在径向上的膨胀。

公开(公告)号：US20060065341A1

公开(公告)日：2006-03-30

申请号：US11199153

申请日：2005-08-09

Applicant: Hiroki Sarashi

Inventor： Hiroki Sarashi

IPC: B60C9/00 ,  D07B1/06 ,  B60C9/04

CPC classification number: D07B1/0653 ,  B60C9/0007 ,  B60C9/0057 ,  B60C9/02 ,  D07B1/0646 ,  D07B2201/2006 ,  D07B2201/2008 ,  D07B2201/2022 ,  D07B2201/2024 ,  D07B2201/204 ,  D07B2501/2046

Abstract: A pneumatic tire includes metal cords each made of metal filaments twisted together, the metal cords having an initial elongation in a range of from 0.05 to 0.20% and a standard deviation of the initial elongation in a range of not more than 0.02. A method of manufacturing the metal cord comprises shaping metal filaments in a two-dimensional zigzag waveform, and twisting the shaped metal filaments together, wherein the number of the filaments is in a range of from 8 to 12, the metal filaments have the same diameter (d) of from 0.15 to 0.30 mm, the shaped metal filaments have the same zigzag waveforms, the zigzag waveform of each said shaped metal filament has constant wave lengths (P) and constant wave heights (h) wherein the ratio (P/d) is in the range of 100/3 to 700/3, and the ratio (h/d) is in the range of 5/3 to 80/3.

公开(公告)号：US06554035B1

公开(公告)日：2003-04-29

申请号：US09441369

申请日：1999-11-17

Applicant: Rie Miyawaki ,  Masatsugu Kohno

Inventor： Rie Miyawaki ,  Masatsugu Kohno

IPC: B60C900

CPC classification number: D07B1/064 ,  B60C9/0057 ,  B60C9/2009 ,  D07B1/0653 ,  D07B2201/2008 ,  D07B2201/2022 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2029 ,  D07B2201/2032 ,  D07B2201/2039 ,  D07B2401/208 ,  D07B2501/2046 ,  Y10S57/902 ,  Y10T152/10792

Abstract: A heavy duty pneumatic tire has a belt disposed radially outside a carcass and radially inside a tread portion, the belt having at least one ply of at least one high-elongation steel cord, the high elongation steel cord is formed by twisting at least three waving steel filaments together to form a core and a sheath surrounding the core, the waving filaments change place repeatedly along the longitudinal direction of the cord such that one of the filaments forms the core in a portion, but in a different portion of the cord, the same filament forms part of the sheath, thereby defining a plurality of first parts with the core and a plurality of second parts without the core which are disposed alternately in the longitudinal direction of the cord, and the elongation at break of the high-elongation steel cord is in the range of from 4 to 10%, whereby the resistance to breakage of the steel belt cords is improved and it becomes possible to decrease the belt weight without deteriorating various performances.

Abstract translation: 重型充气轮胎具有径向设置在胎体外侧并且径向地设置在胎面部分内的带，所述带具有至少一层至少一根高伸长率钢丝帘线，所述高伸长率钢丝帘线通过扭转至少三个波纹形成 钢丝一起形成围绕芯的芯和护套，波纹丝沿着帘线的纵向方向重复变化，使得一根细丝在一部分中形成芯，但是在帘线的不同部分中， 相同的长丝形成护套的一部分，由此形成多个具有芯的第一部分和多个没有芯的第二部分，其不沿着帘线的纵向方向交替设置，并且高伸长率钢的断裂伸长率 帘线在4〜10％的范围内，钢带帘线的抗断裂性得到改善，并且可以降低带的重量而不会使变差 我们表演

公开(公告)号：US20020185205A1

公开(公告)日：2002-12-12

申请号：US10141610

申请日：2002-05-09

Inventor： Shinichi Miyazaki ,  Kazumi Yamazaki ,  Osamu Toda

IPC: B60C011/00 ,  B60C009/00

CPC classification number: D07B1/0646 ,  D07B2201/2008 ,  D07B2201/2022 ,  D07B2201/2024 ,  D07B2501/2046 ,  Y10S57/902 ,  Y10T152/10765

Abstract: A metallic cord is composed of metallic filaments gathered together, the metallic filaments include at least one patterned filament which is, before gathered together, two-dimensionally waved so as to have a wave form defined by plural kinds of cycles different from each other in respect of the wave length and/or wave height. A pneumatic tire includes the metallic cords as its carcass cords.

Abstract translation: 金属线由聚集在一起的金属细丝组成，金属丝包括至少一个图案化的丝，其在聚集在一起之前被二维地挥动，以具有由相互不同的多种循环限定的波形 的波长和/或波高。 充气轮胎包括作为其胎体帘线的金属帘线。

公开(公告)号：US20020160213A1

公开(公告)日：2002-10-31

申请号：US10109054

申请日：2002-03-29

Applicant: The Yokohama Rubber Co., Ltd.

Inventor： Susumu Imamiya ,  Satoshi Yoshida

IPC: B32B015/06

CPC classification number: B29B15/14 ,  B29K2021/00 ,  B29K2105/246 ,  B29K2305/12 ,  B32B5/08 ,  B32B5/26 ,  B60C9/0007 ,  B60C2009/0021 ,  D07B1/062 ,  D07B1/0626 ,  D07B7/145 ,  D07B2201/2012 ,  D07B2201/2022 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2028 ,  D07B2201/2032 ,  D07B2201/2039 ,  D07B2201/2046 ,  D07B2201/2061 ,  D07B2201/2062 ,  D07B2201/2081 ,  D07B2205/2075 ,  D07B2207/204 ,  D07B2501/2046 ,  Y10T428/31707 ,  D07B2801/12 ,  D07B2801/18

Abstract: In order that spaces, including a space in the central portion, inside a steel cord used as a reinforcement by being embedded in a tire or the like are filled with an uncured rubber, the uncured rubber is coated on plural steel filaments 115 which are then stranded in case of a single layer steel cord, the uncured rubber is coated on all of plural core filaments 329 which are then stranded along with outer layer filaments 330 in the same direction at the same pitch in case of a 2-layer steel cord of 1 stranding process, and the uncured rubber is coated on all or 2 to 4 core filaments 218 or on at least one of 3 or 4 steel filaments 408, 408null to form a core strand and outer layer filaments 410, 410null are stranded therearound in case of 2-layer steel cord of 2 stranding process. Consequently, it is possible to exhibit satisfactory corrosion resistance and satisfactory fatigue resistance as a steel cord, shorten a curing time in tire component assembling or the like to attain energy saving and prolong the life of a steel cord itself and the life of a tire or the like using the same as a reinforcement. Further, production can be performed at low cost.

Abstract translation: 为了将包含在中心部分中的空间，通过嵌入在轮胎等中用作增强材料的钢丝帘线内的空间填充有未固化的橡胶，未固化的橡胶涂覆在多根钢丝115上 在单层钢帘线的情况下是绞合的，未固化的橡胶被涂覆在所有多个芯丝329上，然后在同样的方向上以相同的间距将外层丝330与外层细丝330一起绞合， 1绞合过程，未固化的橡胶涂覆在全部或2至4个芯丝218上或3或4根钢丝408,408'中的至少一个上，以形成芯股线，外层丝条410,410'在其周围被绞合 在2绞线的2线钢绳的情况下。 因此，作为钢帘线，可以显示出良好的耐腐蚀性和令人满意的耐疲劳性，缩短轮胎部件组装等中的固化时间，以达到节能，延长钢丝绳本身的寿命和轮胎的使用寿命 使用与加强件相同的类似物。 此外，可以以低成本进行生产。

公开(公告)号：US20020096238A1

公开(公告)日：2002-07-25

申请号：US09989426

申请日：2001-11-21

Inventor： Shinichi Miyazaki ,  Kazumi Yamazaki ,  Osamu Toda

IPC: D02G003/48

CPC classification number: D07B1/0653 ,  B60C9/0007 ,  B60C9/0057 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2039 ,  D07B2501/2046

Abstract: The invention can improve rubber permeability and a fatigue resistance in a metal cord in a layer structure. There is formed layer structure in which a sheath (3) constituted by 1 to 6 filaments (Fb) is formed around a core constituted by 1 filament (Fa). The filament (Fa) is constituted by a waved filament (5) waved in a two-dimensional wave shape in a state before being bundled, and is twisted with the sheath while applying the torsion so as to be formed in a three-dimensional wave shape within a cord.

Abstract translation: 本发明可以提高层结构中的金属帘线中的橡胶渗透性和抗疲劳性。 在由1根丝（Fa）构成的芯周围形成由1〜6根长丝（Fb）构成的护套（3）的形成层结构。 灯丝（Fa）由在捆扎前的状态下以二维波形波动的波浪丝（5）构成，并且在施加扭转的同时与护套扭绞以形成三维波 电线内的形状

公开(公告)号：US20020038539A1

公开(公告)日：2002-04-04

申请号：US09973708

申请日：2001-10-11

Applicant: Sumitomo Rubber Industries, Ltd.

Inventor： Shinichi Miyazaki ,  Kazumi Yamazaki ,  Yazuo Sakai

IPC: D02G003/36 ,  D02G003/02

CPC classification number: D07B1/0613 ,  B60C9/0007 ,  B60C9/0057 ,  B60C9/02 ,  B60C9/2006 ,  B60C15/06 ,  D07B1/0646 ,  D07B1/0653 ,  D07B2201/104 ,  D07B2201/2008 ,  D07B2201/2022 ,  D07B2201/2024 ,  D07B2201/2061 ,  D07B2501/2046 ,  Y10S57/902 ,  D07B2801/24

Abstract: A steel cord is formed by compactly twisting steel filaments together, the steel filaments including a plurality of zigzag filaments and optionally a nonzigzag filament, the zigzag filament being zigzaged two-dimensionally and made up of straight segments each extending between the zigzag peak points, the nonzigzag filament being straight. In case the cord is composed of only the zigzag filaments, the zigzag filaments include at least two kinds of zigzag filaments having different zigzag pitch lengths. In case the cord is composed of both the zigzag filaments and nonzigzag filaments, some of the zigzag and nonzigzag filaments are first loosely twisted together into a bunch, and then a plurality of bunches are twisted together into the cord. In any case, the zigzag pitch length and zigzag wave height of each zigzag filament are substantially constant along the length thereof. A Tire comprises a reinforcing layer such as a tread reinforcing belt layer, carcass, bead reinforcing layer and the like made of the above-mentioned steel cords.

Abstract translation: 钢帘线通过将钢丝紧密地捻合在一起而形成，钢丝包括多根之字形丝和任意的锯齿丝，锯齿状丝线被二维地锯齿形，并且由直线段组成，每段都在锯齿形峰点之间延伸， 非锯齿丝是直的。 在线仅由锯齿形丝组成的情况下，之字形丝包括具有不同之字形间距长度的至少两种锯齿形细丝。 在线由两根锯齿状丝和非锯齿形丝构成的情况下，首先将一些锯齿状和锯齿形的细丝松散地绞合成一束，然后将多根捻合在一起成绳。 在任何情况下，每个锯齿形丝的之字形间距长度和之字形波高度沿其长度基本恒定。 轮胎包括由上述钢丝绳制成的加强层，例如胎面加强带层，胎体，胎圈加强层等。