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    Method for manufacturing metal wire, metal cord for reinforcing rubber article, and car tire
    305.
    发明专利
    Method for manufacturing metal wire, metal cord for reinforcing rubber article, and car tire 审中-公开
    制造金属丝的方法，用于增强橡胶制品的金属丝和汽车轮胎

    公开(公告)号：JP2007270346A

    公开(公告)日：2007-10-18

    申请号：JP2007041010

    申请日：2007-02-21

    Applicant: Sumitomo Denko Steel Wire Kk ,  Tochigi Sumitomo Denko Kk ,  住友電工スチールワイヤー株式会社 ,  栃木住友電工株式会社

    Inventor： SANO YUICHI ,  OKAMOTO KENICHI

    IPC: C25D7/06 ,  B60C9/00 ,  C23C28/00 ,  C25D5/10 ,  C25D5/50 ,  C25D9/08 ,  D07B1/06

    CPC classification number: D07B1/0666 ,  D07B1/0646 ,  D07B2201/2011 ,  D07B2201/2013 ,  D07B2201/2022 ,  D07B2205/3089 ,  D07B2801/18

    Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a metal wire capable of suppressing decrease in adhesiveness of a metal wire to a rubber article due to moisture and heat or with time without damaging the wire drawing property of the metal wire, and to provide a metal cord for reinforcing a rubber article.
    SOLUTION: When the metal wire is manufactured, first, a brass plated inner layer 4a is formed on the surface of a metal raw wire 3 by a non-cyanide plating bath and consecutively a brass plated outer layer 4b is formed on the brass plated inner layer 4a by a non-cyanide plating bath, wherein the brass plated layer 4 is formed to control the Cu content in the brass plated outer layer 4b to be lower than the Cu content in the brass plated inner layer 4a. Then the brass plated layer 4 is heated to 419°C±30°C, the layer is subjected to chemical conversion coating process by electrolysis to form an iron phosphate film 6 on the surface of the brass plated layer 4, and the wire is drawn.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 解决问题的方案为了提供一种金属线的制造方法，其能够抑制由于水分和热量或随时间而导致的金属线与橡胶制品的粘附性的降低，而不损害金属丝的拉丝性， 并提供用于加强橡胶制品的金属帘线。 解决方案：当制造金属线时，首先，通过非氰化物电镀浴在金属原料线3的表面上形成黄铜镀层内层4a，并且连续地在黄铜镀层外层4b上形成镀黄铜的外层4b 通过非氰化物电镀浴形成黄铜镀层4a，其中形成黄铜镀层4以控制镀黄铜镀层4b中的Cu含量低于黄铜镀层内层4a中的Cu含量。 然后将黄铜镀层4加热至419℃±30℃，通过电解对该层进行化学转化涂覆处理，以在黄铜镀层4的表面上形成磷酸铁膜6，并且将线拉制 。 版权所有（C）2008，JPO＆INPIT

    Pc-steel stranded wire and rust-proof double-coating film binding structure formation processing method for use in such pc-steel stranded wire
    306.
    发明专利
    Pc-steel stranded wire and rust-proof double-coating film binding structure formation processing method for use in such pc-steel stranded wire 有权
    PC钢丝绳和防腐双层涂膜结合结构加工方法用于这种PC钢丝绳

    公开(公告)号：JP2005007267A

    公开(公告)日：2005-01-13

    申请号：JP2003173275

    申请日：2003-06-18

    Applicant: Kurosawa Construction Co Ltd ,  黒沢建設株式会社

    Inventor： HASUI TAKESHI ,  FUJIKAWA KOJI

    IPC: D07B1/16 ,  B05D7/20 ,  B05D7/24 ,  D07B7/14 ,  D07B7/18 ,  E04C5/08

    CPC classification number: E04C5/08 ,  D07B1/0693 ,  D07B7/145 ,  D07B7/185 ,  D07B2201/201 ,  D07B2201/2012 ,  D07B2201/2013 ,  D07B2501/2023 ,  Y10T428/2933 ,  Y10T428/2936 ,  Y10T428/2938 ,  Y10T428/294 ,  Y10T428/2947

    Abstract: PROBLEM TO BE SOLVED: To form a thick coating layer over the surface layer (external surface) of a PC-steel stranded wire without damaging the flexibility thereof as well as a bonding strength when bonded to concrete, so as to improve tensile fatigue characteristic and avoid exposure of under-materials due to damaged coating layer. SOLUTION: The subject method of this invention comprises the following steps A to C. Step A is a pre-treatment for carrying out an under-material adjustment by unbinding the returning side-wire of the PC-steel stranded wire 1 from its core-wire. Step B is a primary coating treatment for loosely stranding a side-wire with respect to the core-wire, and then applying synthetic resin powder as a coating material to the whole surface layer except a spirally ditched portion formed due to stranding, thus forming a resin coating layer only on the surface layer. Step C is a secondary coating treatment for unbinding the side-wire of the PC-steel stranded wire 1 from the core-wire thereof, applying, by way of core-wire adjustment means, the synthetic resin powder coating material to the periphery of the unbound core-wire as well as side-wire, thereby separately forming resin coating layers producing double coating in certain portions of the side-wire. A final step is to strand the side-wire with respect to the core-wire to return the side-wire to its original position, thereby ensuring that the doubly coated portion appears on the surface layer of the PC-steel stranded wire. COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题：在PC钢绞线的表面层（外表面）上形成厚的涂层，而不损害其柔性以及当与混凝土结合时的接合强度，以便改善拉伸强度 疲劳特性，避免涂层受损的材料暴露。 解决方案：本发明的主题方法包括以下步骤A至C.步骤A是通过将PC钢绞线1的返回侧线从未接合的方式进行材料调整的预处理 其核心线。 步骤B是用于相对于芯线松散地绞合侧线的主要涂层处理，然后将合成树脂粉末作为涂层材料施加到整个表面层，除了由于绞合形成的螺旋沟槽部分，从而形成 树脂涂层仅在表面层上。 步骤C是用于将PC钢绞线1的侧线与其芯线断开接合的二次涂覆处理，通过芯线调整装置将合成树脂粉末涂料施加到 未结合的芯线以及侧线，从而在侧线的某些部分分别形成生产双层涂层的树脂涂层。 最后一步是将侧线相对于芯线绞合以将侧线返回到其原始位置，从而确保双重涂覆部分出现在PC钢绞线的表面层上。 版权所有（C）2005，JPO＆NCIPI

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