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    ELEVATOR ROPE
    82.
    发明公开
    ELEVATOR ROPE 有权
    AUFZUGSEIL

    公开(公告)号：EP2808286A1

    公开(公告)日：2014-12-03

    申请号：EP12866434.9

    申请日：2012-01-23

    Applicant: Mitsubishi Electric Corporation

    Inventor： MITSUI, Atsushi

    IPC: B66B7/06

    CPC classification number: B66B7/06 ,  D07B1/068 ,  D07B1/08 ,  D07B1/144 ,  D07B1/165 ,  D07B2201/1016 ,  D07B2201/102 ,  D07B2201/1036 ,  D07B2201/1076 ,  D07B2201/2057 ,  D07B2201/2073 ,  D07B2201/2074 ,  D07B2205/201 ,  D07B2801/14 ,  D07B2801/24

    Abstract: In an elevator rope, a plurality of steel outer layer strands are twisted together on an outer circumference of an inner layer rope. The inner layer rope has: a fiber core; a plurality of steel inner layer strands that are twisted together directly onto an outer circumference of the fiber core; and a resin inner layer rope coating body that is coated onto the outer circumference. A diameter of the inner layer strands is smaller than a diameter of the outer layer strands. The inner layer strands are greater in number than the outer layer strands.

    Abstract translation: 在电梯绳索中，多个钢外层股线在内层绳索的外周上被扭绞在一起。 内层绳具有：纤维芯; 多个钢内层股线，其直接扭曲在纤维芯的外周上; 以及涂布在外周上的树脂内层绳索涂布体。 内层股线的直径小于外层股线的直径。 内层股线数量多于外层股线。

    STEEL CORD, COMPOSITE OF RUBBER AND STEEL CORD, AND TIRE
    86.
    发明公开
    STEEL CORD, COMPOSITE OF RUBBER AND STEEL CORD, AND TIRE 审中-公开
    STAHLKORD，VERBUND AUS GUMMI UND STAHLKORD SOWIE REIFEN

    公开(公告)号：EP2065512A1

    公开(公告)日：2009-06-03

    申请号：EP07792923.0

    申请日：2007-08-23

    Applicant: Bridgestone Corporation

    Inventor： IKEHARA, Kiyoshi

    IPC: D07B1/06 ,  B60C9/00 ,  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 ε c defined by the following equation: ϵ c = √ ⁢ - b / 2 + √ ⁢ b 2 / 4 - c - 1
    (in the equation, b represents -1 + π 2 (-4R 2 + d 2 )/P 2 , c represents π 2 d 2 k(4π 2 R 2 + P 2 )/P 4 , R represents (D - d)/2, k represents tan 2 (π/2 - π/N), and d represents (d1 + d2)/2) satisfies ε c > 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，其质量可以高效率地生产，特别是用于加强轮胎胎冠部分的钢帘线，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的长径由d1表示，小直径由d2表示，μc由下式定义：õc =š ¢ - b / 2 +š ¢b 2/4-c-1（在等式中，b表示-1 + -2（-4R 2 + d 2）/ P 2，c表示2 d 2 k（4 -2 R 2 + P 2）/ P 4 ，R表示（D-d）/ 2，k表示tan 2（À/ 2À/ N），d表示（d1 + d2）/ 2）满足μc> 0.005，其中， 帘线由D（mm）表示，帘线的捻距由P（mm）表示。

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