公开(公告)号：EP0779390B1

公开(公告)日：2000-06-28

申请号：EP96120077.1

申请日：1996-12-13

Applicant: Bridgestone Corporation

Inventor： Yamanaka, Takaya, c/o Bridgestone Corporation

IPC: D07B1/06

CPC classification number: D07B1/062 ,  D07B2201/2018 ,  D07B2201/202 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2039 ,  D07B2201/206 ,  D07B2201/2061 ,  D07B2501/2046 ,  D07B2501/2076 ,  Y10S57/902 ,  D07B2801/12

公开(公告)号：EP1010547A2

公开(公告)日：2000-06-21

申请号：EP99124042.5

申请日：1999-12-09

Applicant: THE YOKOHAMA RUBBER CO., LTD.

Inventor： Imamiya, Susumu, c/o The Yokohama Rubber Co., Ltd.

IPC: B60C9/00 ,  B60C9/20 ,  D07B1/06

CPC classification number: D07B1/0653 ,  B60C9/0007 ,  B60C9/2006 ,  D07B2201/2018 ,  D07B2201/2023 ,  D07B2201/2025 ,  D07B2201/2029 ,  D07B2201/2032 ,  D07B2501/2046

Abstract: A pneumatic radial tire having a belt layer comprising a steel cord is disclosed. The steel cord is constructed as follows: (a) a 1+N structure is provided, where sheath filaments amounting to N in number are stranded up around a spirally-reformed core filament in a cord longitudinal direction; (b) a shape of a cord cross section is flat; (c) an open structure is provided, where a gap is formed between adjacent filaments of the sheath filaments in the cord cross section; (d) the core filament is caused to bite between the adjacent filaments; (e) a spiral direction of the core filament is identical to a stranding direction of the sheath filaments; and (f) a major axial direction of a flat surface of the cord cross section is set along a facial direction of the belt layer.

公开(公告)号：EP0363893B1

公开(公告)日：1998-02-18

申请号：EP89118787.4

申请日：1989-10-10

Applicant: TOKUSEN KOGYO COMPANY LIMITED

Inventor： Miyawaki, Hisamune 129-Banchi-no-8

IPC: D07B1/06 ,  B60C9/00

CPC classification number: D07B1/062 ,  B60C9/0007 ,  D07B2201/2018 ,  D07B2201/2022 ,  Y10S57/902

公开(公告)号：EP0779390A1

公开(公告)日：1997-06-18

申请号：EP96120077.1

申请日：1996-12-13

Applicant: Bridgestone Corporation

Inventor： Yamanaka, Takaya, c/o Bridgestone Corporation

IPC: D07B1/06

CPC classification number: D07B1/062 ,  D07B2201/2018 ,  D07B2201/202 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2039 ,  D07B2201/206 ,  D07B2201/2061 ,  D07B2501/2046 ,  D07B2501/2076 ,  Y10S57/902 ,  D07B2801/12

Abstract: The present invention relates to a two-layered twisted steel cord for reinforcing rubber articles, comprising a core (1) including two filaments and a sheath (2) including six or seven filaments wound around the core (1), in which an average twist pitch of the core (1) is set to be at least 30 mm, and when six filaments are used for the sheath (2), a ratio of diameter (ds) of each filament of the sheath (2) to diameter (dc) of each filament of the core, [(ds/dc) x 100], is set in a range of 58.0 %

Abstract translation: 本发明涉及一种双层捻钢丝帘线橡胶制品加强，包括芯（1）包括两个灯丝和鞘（2）包括围绕所述芯卷绕六个或七根单丝（1），在其中平均扭曲 所述芯部（1）的间距被设定为至少为30毫米，并且当6个长丝用于护套的各灯丝（2）的直径的护套（2），直径的比（DS）（DC） 核心，一个（DS / DC）×100U的各灯丝的，被设定在一个范围内的58.0％的

公开(公告)号：EP0372959B1

公开(公告)日：1993-03-03

申请号：EP89312767.0

申请日：1989-12-07

Applicant: Bridgestone Corporation

Inventor： Ikehara, Kiyoshi

IPC: D07B1/06 ,  B60C9/00

CPC classification number: D07B1/062 ,  B60C9/0007 ,  D07B2201/2018 ,  D07B2201/2023

公开(公告)号：EP0399795A1

公开(公告)日：1990-11-28

申请号：EP90305573.9

申请日：1990-05-22

Applicant: Bridgestone Corporation

Inventor： Ikehara, Kiyoshi ,  Kawasaki, Kiyohito

IPC: B60C9/18 ,  D07B1/06

CPC classification number: D07B1/062 ,  B60C9/0007 ,  B60C9/2006 ,  D07B2201/2018 ,  D07B2201/2023 ,  D07B2201/2041 ,  D07B2205/3057 ,  Y10S57/902 ,  Y10T152/10765 ,  D07B2801/10

Abstract: A pneumatic radial tire for truck and bus comprises a carcass ply containing cords arranged substantially in a radial direction of the tire and a belt superimposed about said carcass ply and comprised of plural belt layers each containing steel cords arranged at a cord angle of 5-20° with respect to an equator of the tire. In this case, the steel cord for the belt layer has a two-layer structure of a core (1) comprised of two steel filaments and a single sheath (2) comprised of 6-8 steel filaments and satisfies the particularly relationships on filament diameter, twisting pitch, bending rigidity, tensile strength and distance between adjoining cords.

Abstract translation: 用于卡车和公共汽车的充气子午线轮胎包括胎体帘布层，所述胎体帘布层包含基本上布置在轮胎的径向方向上的帘线和围绕所述胎体帘布层叠置的带，并且所述带包括多个带层，每个带层包含以5-20°的帘线角布置的钢帘线 °相对于轮胎的赤道线。 在这种情况下，用于带束层的钢丝帘线具有由两根钢丝构成的芯（1）和由6-8根钢丝构成的单一护套（2）的双层结构，并满足长丝直径 ，扭曲节距，弯曲刚度，拉伸强度和相邻帘线之间的距离。

公开(公告)号：EP0372959A1

公开(公告)日：1990-06-13

申请号：EP89312767.0

申请日：1989-12-07

Applicant: Bridgestone Corporation

Inventor： Ikehara, Kiyoshi

IPC: D07B1/06 ,  B60C9/00

CPC classification number: D07B1/062 ,  B60C9/0007 ,  D07B2201/2018 ,  D07B2201/2023

Abstract: A steel cord (C) comprises a core (1) and a sheath (3) arranged around the core. The core consists of two steel filaments (2), and the sheath consists of eight steel filaments (4). The diameter of each of the filaments is in a range from 0.30 to 0.42 mm, and a difference D c -D s between the diameter D c of the filaments of the core and that D s of the sheath is not less than 0.04 mm. The twisted direction of the core is the same as that of the sheath, and a ratio P s /P c between a pitch P s of the sheath and that of P c of the core is in a range from 1.4 to 3.0.

Abstract translation: 钢帘线（C）包括芯部（1）和围绕芯部布置的护套（3）。 芯由两根钢丝（2）组成，护套由八根钢丝（4）组成。 每个长丝的直径在0.30至0.42mm的范围内，并且芯的长丝的直径Dc与护套的Ds之间的差Dc-Ds不小于0.04mm。 芯的扭转方向与护套的扭转方向相同，鞘的间距Ps与芯的Pc的间距Ps之比为1.4〜3.0。

公开(公告)号：EP0176139A1

公开(公告)日：1986-04-02

申请号：EP85201459.6

申请日：1985-09-13

Applicant: N.V. BEKAERT S.A.

Inventor： Dambre, Paul

IPC: D07B1/06

CPC classification number: C21D8/06 ,  B60C2009/0014 ,  D07B1/0626 ,  D07B1/0633 ,  D07B1/0666 ,  D07B2201/2018 ,  D07B2201/2023 ,  D07B2201/203 ,  D07B2201/2036 ,  D07B2205/3071 ,  D07B2205/3089 ,  D07B2205/3092 ,  Y10S57/902 ,  D07B2801/18

Abstract: A steel cord for reinforcing rubber products such as truck tyres comprises a plurality of steel wires twisted together to form a multiwire layered cable construction having two or more successive wire layers around a common core. The wires of the outer layer are covered by a rubber adherable coating of e.g. brass and the wires (shaded) of the layer inwardly adjacent the surface layer are covered by a corrosion resistant coating, such as zinc or a zinc alloy.

公开(公告)号：EP3009560A2

公开(公告)日：2016-04-20

申请号：EP15189668.5

申请日：2015-10-14

Applicant: Hongduk Industrial Co., Ltd.

Inventor： Lee, Byung Ho ,  Lee, Kwang Jin ,  Kim, Do Hun

IPC: D07B1/06 ,  D07B5/00 ,  D07B7/02

CPC classification number: B60C9/0007 ,  B60C2009/0085 ,  B60C2009/0092 ,  D02G3/48 ,  D07B1/0613 ,  D07B1/062 ,  D07B1/0626 ,  D07B1/0633 ,  D07B1/0653 ,  D07B5/007 ,  D07B7/025 ,  D07B2201/2003 ,  D07B2201/2005 ,  D07B2201/2018 ,  D07B2201/2019 ,  D07B2201/206 ,  D07B2201/2061 ,  D07B2207/202 ,  D07B2207/207 ,  D07B2207/208 ,  D07B2207/4018 ,  D07B2401/207 ,  D07B2801/14 ,  D07B2801/12

Abstract: A steel cord for a tire reinforcement having a non-circular cross-section includes: a lower strand; and an upper strand that surrounds an outer circumferential surface of the lower strand so as to have an m+n structure, wherein the lower strand includes a plurality of core wires, each of the plurality of core wires have a flat surface on a portion in which the plurality of the core wires come into contact with each other, and the plurality of core wires come into surface contact with each other through the flat surface.

Abstract translation: 用于具有非圆形横截面的轮胎增强件的钢丝绳包括：下部线; 以及上股，其包围所述下股的外圆周表面以具有m + n结构，其中，所述下股包括多根芯线，所述多根芯线中的每一个在所述下股的一部分上具有平坦表面 多个芯线彼此接触，并且多个芯线通过平坦表面彼此面接触。

公开(公告)号：EP2653608A1

公开(公告)日：2013-10-23

申请号：EP11848911.1

申请日：2011-12-14

Applicant: Bridgestone Corporation

Inventor： OYAMA Yuji

IPC: D07B1/06 ,  B60C9/20

CPC classification number: B60C9/0007 ,  B60C9/2006 ,  B60C2009/0092 ,  B60C2009/2077 ,  B60C2009/2096 ,  D07B1/005 ,  D07B1/062 ,  D07B2201/2006 ,  D07B2201/2018 ,  D07B2201/2025 ,  D07B2201/2029 ,  D07B2201/2051 ,  D07B2201/206 ,  D07B2401/208 ,  D07B2501/2046 ,  D07B2801/12

Abstract: Provided is a steel cord for reinforcing rubber articles which has both rubber penetration and productivity and which allows to reduce the weight of a tire without compromising the strength of the tire when applied to a tire, and a pneumatic tire using the same.
The steel cord for reinforcing rubber articles of the present invention is a steel cord for reinforcing rubber articles comprising a core formed by arranging two core filaments in parallel without twisting the filaments together, and six sheath filaments twisted around the core. Letting the diameter of the core filament dc (mm), the diameter of the sheath filament ds (mm) and sheath filament twist pitch p (mm), an average sheath filament interval D represented by the following Formula (I): D = L - 6 ⁢ ds ⁢ 1 + L / p 2 1 / 2 / 6
(where L = (π + 2)dc + πds) is from 25 to 80 µm.

Abstract translation: 本发明提供一种橡胶制品用钢丝帘线，其具有橡胶渗透性和生产率，并且能够在不影响轮胎的强度的情况下减轻轮胎的重量，并且能够使用该帘线。 本发明的增强橡胶制品用钢丝绳是用于加强橡胶制品的钢丝帘线，其包括通过平行布置两根芯丝而形成的芯，而不将丝缠绕在一起，以及缠绕在芯上的六根鞘丝。 使芯丝直径dc（mm），护套长丝ds（mm）的直径和鞘长度捻距p（mm），由下式（I）表示的平均护套长丝间隔D：D = L - 6 ¢ds ¢1 + L / p 2 1/2/6（其中L =（À+ 2）dc +Àds）为25至80μm。