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    Metal cord and pneumatic tire including the same
    221.
    发明公开
    Metal cord and pneumatic tire including the same 有权
    Metallseil sowie解决了Metallseil aufweisender Luftreifen

    公开(公告)号：EP1314812A2

    公开(公告)日：2003-05-28

    申请号：EP02025937.0

    申请日：2002-11-20

    Applicant: Sumitomo Rubber Industries Ltd.

    Inventor： Shinichi Miyazaki ,  Toda, Osamu

    IPC: D07B1/06

    CPC classification number: D07B1/0653 ,  D07B1/0646 ,  D07B2201/2008 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2501/2046

    Abstract: A metal cord (10) for reinforcing rubber articles and a pneumatic tire (1) including metal cords (10) to reinforce tire components such as carcass (6), breaker (7) and band (9) are disclosed, wherein a metal cord (10) according to one aspect of the present invention comprises filaments (F) having a tensile strength of from 4000 to 5500N/sq.mm and a diameter of from 0.10 to 0.35mm and the filaments (F) are twisted together, the filaments (F) before being twisted are two-dimensionally waved so that the elongation after fracture of the cord (10) becomes in a range of from 2 to 6%. According to another aspect of the present invention, the metal cord (10) is a single filament (F) having a tensile strength of from 4000 to 5500N/sq.mm and a diameter D of from 0.10 to 0.35mm, and the filament (F) is two-dimensionally waved so that the elongation after fracture becomes in a range of from 2 to 6%.

    Abstract translation: 公开了一种用于加强橡胶制品的金属线（10）和包括用于加强诸如胎体（6），断路器（7）和带（9）的轮胎部件的金属帘线（10）的充气轮胎（1），其中金属帘线 根据本发明的一个方面，（10）包括抗拉强度为4000至5500N / sq.mm且直径为0.10至0.35mm的长丝（F），并且将长丝（F）绞合在一起，所述长丝 （F）在二维摆动之前，使得帘线（10）断裂后的伸长率在2％至6％的范围内。 根据本发明的另一方面，金属线（10）是抗拉强度为4000〜5500N / sq.mm，直径D为0.10〜0.35mm的单丝（F），丝（ F）二维地挥动，使得断裂后的伸长率在2〜6％的范围内。

    Pneumatic tyre
    223.
    发明公开
    Pneumatic tyre 有权
    Luftreifen

    公开(公告)号：EP1162086A2

    公开(公告)日：2001-12-12

    申请号：EP01305017.4

    申请日：2001-06-08

    Applicant: SUMITOMO RUBBER INDUSTRIES LIMITED

    Inventor： Miyazaki, Shinichi, Sumitomo Rubber Indust. Ltd. ,  Yamazaki, Kazumi, Sumitomo Rubber Indust. Ltd. ,  Toda, Osamu, Sumitomo Rubber Indust. Ltd.

    IPC: B60C9/00 ,  B60C9/20 ,  B60C9/22 ,  D07B1/06

    CPC classification number: D07B1/0646 ,  B60C9/0007 ,  B60C9/0057 ,  B60C9/0064 ,  B60C9/2006 ,  B60C9/22 ,  D07B1/0606 ,  D07B2201/2007 ,  D07B2201/2008 ,  D07B2501/2046

    Abstract: A pneumatic tyre comprises a carcass (6) extending between bead portions (4) through a tread portion (7) and sidewall portions (3), and a belt (7) disposed radially outside of the carcass in the tread portion (2), wherein the belt (7) comprises at least one monofilament cord ply (11) made of parallel monofilament cords (10), each monofilament cord is a single metallic filament (F) having a circular cross sectional shape, a diameter of from 0.35 to 0.70 mm, a tensile strength of from 2800 to 3700 Newton/sq.mm, and a bending rigidity of from 35 to 260 gf cm, and the cord count of the monofilament cords in the monofilament cord ply is in a range of from 30 to 50 /5 cm.

    Abstract translation: 充气轮胎包括通过胎面部分（7）和侧壁部分（3）在胎圈部分（4）之间延伸的胎体（6），以及设置在胎面部分（2）中的胎体径向外侧的带（7） 其中所述带（7）包括由平行的单丝帘线（10）制成的至少一个单丝绳帘布层（11），每个单丝帘线是具有圆形横截面形状的单个金属丝（F），直径为0.35至0.70 mm，拉伸强度为2800〜3700牛顿/平方毫米，弯曲刚度为35〜260gf·cm，单丝帘线帘布层中的单丝帘线的帘线数为30〜50 / 5厘米。

    METHOD AND DEVICE FOR MANUFACTURING A METAL CORD FOR REINFORCING ELASTOMERIC PRODUCTS, PARTICULARLY TYRES
    225.
    发明公开
    METHOD AND DEVICE FOR MANUFACTURING A METAL CORD FOR REINFORCING ELASTOMERIC PRODUCTS, PARTICULARLY TYRES 有权
    的方法和设备用于生产金属电缆，用于橡胶产品，特别是轮胎的加强

    公开(公告)号：EP1141477A1

    公开(公告)日：2001-10-10

    申请号：EP99965484.1

    申请日：1999-12-14

    Applicant: PIRELLI PNEUMATICI Società per Azioni

    Inventor： NOFERI, Omero

    IPC: D07B1/06 ,  D07B3/02 ,  D07B7/02

    CPC classification number: D07B3/02 ,  D07B1/0646 ,  D07B7/025 ,  D07B2201/2008 ,  D07B2207/202 ,  D07B2501/2046

    Abstract: Device for manufacturing metal cords to be used particularly for reinforcing composite elastomeric products, comprising: a supporting structure (100); a rotor (5) engaged with respect to said supporting structure (100) and rotatable according to a predefined axis; a cradle fastened to said supporting structure (100) according to an oscillation axis which coincides with the rotation axis of the rotor (5); feeding devices operatively fitted on said cradle to feed several elementary wires from the respective feeding spools (8), said elementary wires being driven onto said rotor (5) according to a stranding path with and sections (10A, 10C) coinciding with the rotation axis of the rotor (5) and with a central section (10B) distanced from said rotation axis; at least one preforming device (15) operatively engaged with the cradle and operating on one of said elementary wires in a section upstream with respect to the first end section (10A) of the stranding path. Furthermore, said at least one preforming device (15) is suitable for providing said elementary wire with a substantially sinusoidal deformation without sharp edges.

    Pneumatic tyre
    227.
    发明公开
    Pneumatic tyre 有权
    充气轮胎

    公开(公告)号：EP1066989A2

    公开(公告)日：2001-01-10

    申请号：EP00305706.4

    申请日：2000-07-06

    Applicant: SUMITOMO RUBBER INDUSTRIES LTD.

    Inventor： Miyazaki, Shinichi ,  Yamazaki, Kazumi ,  Ohta, Takeshi

    IPC: B60C9/20 ,  D07B1/06 ,  B60C9/00

    CPC classification number: D07B7/025 ,  B60C9/0007 ,  B60C9/0057 ,  B60C9/0064 ,  B60C9/2009 ,  B60C9/22 ,  D07B1/0606 ,  D07B1/0646 ,  D07B2201/2003 ,  D07B2201/2005 ,  D07B2201/2007 ,  D07B2201/2008 ,  D07B2501/2046 ,  Y10T152/10765

    Abstract: A pneumatic tyre comprises a belt (7) disposed radially outside a carcass (6) in a tread portion (2), the belt (7) comprising two crossed plies (7A,7B) of monofilament metallic cords (10A,10B,10C) laid at angles of from 15 to 30 degrees with respect to the circumferential direction of the tyre, each monofilament cord being composed of a waved single filament, the filament having a circular sectional shape having a diameter in a range of from 0.40 to 0.50 mm, or alternatively a non-circular sectional shape having an aspect ratio in a range of from 0.65 to 0.95 and a cross-sectional area in a range of 0.09 to 0.20 sq.mm.

    Abstract translation: 一种充气轮胎包括在胎面部分（2）中的胎体（6）的径向外侧设置的带（7），所述带（7）包括由单丝金属帘线（10A，10B，10C）构成的两个交叉帘布层（7A，7B） 以15至30度的角度相对于轮胎的圆周方向铺设，每根单丝帘线由波形单丝构成，所述丝具有圆形截面形状，其直径范围为0.40至0.50mm， 或者可选地具有纵横比在0.65至0.95范围内且横截面积在0.09至0.20平方毫米范围内的非圆形截面形状。

    OPEN STEEL CORD STRUCTURE
    228.
    发明授权
    OPEN STEEL CORD STRUCTURE 失效
    OPEN钢帘线

    公开(公告)号：EP0734468B1

    公开(公告)日：1999-10-06

    申请号：EP95903331.7

    申请日：1994-12-09

    Applicant: N.V. BEKAERT S.A.

    Inventor： VAN GIEL, Frans ,  DE VOS, Xavier

    IPC: D07B1/06 ,  D07B7/02

    CPC classification number: D07B1/0646 ,  B60C9/0007 ,  D07B1/0613 ,  D07B1/0626 ,  D07B1/0633 ,  D07B1/0653 ,  D07B7/025 ,  D07B2201/2002 ,  D07B2201/2003 ,  D07B2201/2008 ,  D07B2201/2021 ,  D07B2201/2022 ,  D07B2201/2023 ,  D07B2401/201 ,  D07B2401/208 ,  Y10S57/902

    Abstract: A steel cord (114) for the reinforcement of rubber products comprises strength elements (100, 132) and has length, a longitudinal central axis (112) and a cord pitch. Each of the elements (100) has a projection on a plane YZ perpendicular to the longitudinal central axis (112). At least one of these projections takes the form of a curve with a radius of curvature which alternates between a maximum and minimum. The curve further has a center of curvature. The radius of curvature and the center of curvature lie inside the curve so that a convex curve is obtained. The cord (114) is further characterized by one or both of the following features: (i) the distance between two minimum radii of curvature of said curve measured along the longitudinal central axis (112) is different from half the cord pitch; or (ii) if all of said elements (100) provide a convex curve, at least one of said convex curves substantially differs from another convex curve. The steel cord (114) allows full rubber penetration despite low values of cord diameter and part load elongation (PLE).

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