公开(公告)号：US10081943B2

公开(公告)日：2018-09-25

申请号：US14418885

申请日：2013-07-05

申请人： Sumitomo (SEI) Steel Wire Corp. ,  Sumitomo Electric Industries, Ltd.

发明人： Takahide Saiki ,  Masato Yamada ,  Yoshihiko Touda ,  Takashi Ichiki ,  Kiminori Matsushita ,  Katsuhito Oshima ,  Jun Sugawara ,  Shingo Nakajima ,  Shuhei Maeda

IPC分类号： E04C5/08 ,  E04G21/12 ,  E04C5/10

CPC分类号： E04C5/08 ,  E04C5/10 ,  E04G21/12 ,  Y10T428/31529 ,  Y10T428/31678

摘要： Provided is a pregrouted PC steel material comprising a PC steel stranded wire composed of a plurality of steel wires, a pregrout layer disposed on the outer periphery of the PC steel stranded wire so as to accommodate the PC steel stranded wire, a sheath covering the outer periphery of the pregrout layer, and a capsule including a pregrout-hardening agent and a film with which the agent is covered, the capsule being interposed among the steel wires constituting the PC steel stranded wire. The capsule has a strength such that the capsule is not broken before tensioning the PC steel stranded wire but is broken by a tensile force during the tensioning. Also provided is a method for hardening the pregrout layer.

公开(公告)号：US20180216213A1

公开(公告)日：2018-08-02

申请号：US15745755

申请日：2016-07-20

申请人： NIPPON STEEL & SUMITOMO METAL CORPORATION ,  SUMITOMO (SEI) STEEL WIRE CORP.

发明人： Makoto OKONOGI ,  Daisuke HIRAKAMI ,  Masato YAMADA ,  Katsuhito OSHIMA ,  Shuichi TANAKA

IPC分类号： C22C38/32 ,  C22C38/24 ,  C22C38/16 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C21D8/08 ,  C21D9/52 ,  E04C5/08

摘要： This invention provides a high-strength PC steel wire having a chemical composition containing, in mass %, C: 0.90 to 1.10%, Si: 0.80 to 1.50%, Mn: 0.30 to 0.70%, P: 0.030% or less, S: 0.030% or less, Al: 0.010 to 0.070%, N: 0.0010 to 0.010%, Cr: 0 to 0.50%, V: 0 to 0.10%, B: 0 to 0.005%, Ni: 0 to 1.0%, Cu: 0 to 0.50%, and the balance: Fe and impurities. A ratio between the Vickers hardness (HvS) at a location (surface layer) that is 0.1D [D: diameter of steel wire] from the surface of the steel wire and the Vickers hardness (HvI) of a region on the inner side relative to the surface layer satisfies the formula [1.10

公开(公告)号：US20180036910A1

公开(公告)日：2018-02-08

申请号：US15554919

申请日：2016-02-05

申请人： Sumitomo (SEI) Steel Wire Corp.

发明人： Masato Yamada ,  Yoshiyuki Matsubara ,  Kiminori Matsushita ,  Shuichi Tanaka ,  Masashi Oikawa

IPC分类号： B28C5/40 ,  C04B14/48 ,  E04C5/07 ,  B28B1/52

CPC分类号： B28C5/402 ,  B28B1/523 ,  B28C7/06 ,  C04B14/48 ,  C04B20/00 ,  E04C5/012 ,  E04C5/073 ,  E04C5/076

摘要： To provide a concrete-reinforcing shaped body containing concrete-reinforcing fibers and having a plate-like shape. The concrete-reinforcing fibers each preferably have a diameter of 0.3 mm smaller and a length of 5 mm or larger and 25 mm or smaller.

公开(公告)号：US20130029180A1

公开(公告)日：2013-01-31

申请号：US13633143

申请日：2012-10-02

申请人： Sumitomo Electric Industries, Ltd. ,  Sumitomo (SEI) Steel Wire Corp.

发明人： Yukihiro Oishi ,  Nozomu Kawabe

IPC分类号： C22C23/02 ,  C22F1/06 ,  B21C1/00

CPC分类号： C22C23/04 ,  B21C1/00 ,  B21C1/003 ,  C22C23/02 ,  C22C23/06 ,  C22F1/06 ,  Y10T428/12993

摘要： Magnesium-based alloy wire excelling in strength and toughness, its method of manufacture, and springs in which the magnesium-based alloy wire is utilized are made available. The magnesium-based alloy wire contains, in mass %, 0.1 to 12.0% Al, and 0.1 to 1.0% Mn, and is provided with the following constitution. Diameter d that is 0.1 mm or more and 10.0 mm or less; length L that is 1000d or more; tensile strength that is 250 MPa or more; necking-down rate that is 15% or more; and elongation that is 6% or more. Such wire is produced by draw-forming it at a working temperature of 50° C. or more, and by heating it to a temperature of 100° C. or more and 300° C. or less after the drawing process has been performed.

摘要翻译： 镁合金丝的强度和韧性优良的镁基合金线及其制造方法以及使用镁基合金丝的弹簧都可以使用。 镁基合金丝以质量％计含有0.1〜12.0％的Al和0.1〜1.0％的Mn，并具有以下结构。 直径d为0.1mm以上且10.0mm以下; 长度L为1000d以上; 拉伸强度为250MPa以上; 收缩率为15％以上; 伸长率为6％以上。 通过在50℃以上的工作温度下进行拉伸成形，并且在进行拉伸处理之后将其加热至100℃以上且300℃以下的温度来制造。

公开(公告)号：US10760028B2

公开(公告)日：2020-09-01

申请号：US16078698

申请日：2017-01-24

申请人： Sumitomo (SEI) Steel Wire Corp.

发明人： Takafumi Uwano ,  Sadamu Matsumoto ,  Takayuki Shiwaku

IPC分类号： C10M107/44 ,  C23C8/14 ,  C21D9/02 ,  C23C8/80 ,  C21D9/52 ,  C10M107/28 ,  C10M107/34 ,  C10M107/38 ,  C23C26/00 ,  C10N40/32 ,  C10N50/08

摘要： An oil tempered wire includes a steel wire and a lubricant coating disposed around an outer circumference of the steel wire, wherein the lubricant coating includes a lubricant component resin and a binder resin, the lubricant component resin is at least one selected from polyacetals, polyimides, melamine resins, acrylic resins and fluororesins, the deposited mass of the lubricant coating is not less than 1.0 g/m2 and not more than 4.0 g/m2, and the surface roughness Rz of the steel wire is not more than 8.0 μm.

公开(公告)号：US20180304689A1

公开(公告)日：2018-10-25

申请号：US15768719

申请日：2016-10-13

申请人： SUMITOMO ELECTRIC TOCHIGI CO., LTD. ,  Sumitomo (SEI) Steel Wire Corp. ,  SUMITOMO RUBBER INDUSTRIES, LTD. ,  NIPPON STEEL & SUMITOMO METAL CORPORATION

发明人： Tetsuya Nakajima ,  Kenichi Yamashita ,  Takashi Tokuyama ,  Shinei Takamura ,  Masumi Suzuki ,  Koji Fujisawa

IPC分类号： B60C9/00 ,  D07B1/06

CPC分类号： B60C9/0007 ,  B60C1/00 ,  B60C9/00 ,  B60C2009/0014 ,  D07B1/06 ,  D07B1/0666 ,  D07B2201/2087 ,  D07B2201/2092 ,  D07B2205/3025 ,  D07B2205/3067 ,  D07B2205/3071 ,  D07B2501/2046 ,  D10B2505/022

摘要： A tire having a rubber body in which a steel cord is embedded, wherein a layer composed of ZnxCoyO is formed at the interface between the steel cord and the rubber body and x+y is 5/6 or more and 1 or less.

公开(公告)号：US20150159377A1

公开(公告)日：2015-06-11

申请号：US14418885

申请日：2013-07-05

申请人： Sumitomo (SEI) Steel Wire Corp.1-1, Koyakita 1-cho ,  Sumitomo Electric Industries, Ltd.

发明人： Takahide Saiki ,  Masato Yamada ,  Yoshihiko Touda ,  Takashi Ichiki ,  Kiminori Matsushita ,  Katsuhito Oshima ,  Jun Sugawara ,  Shingo Nakajima ,  Shuhei Maeda

IPC分类号： E04C5/08

CPC分类号： E04C5/08 ,  E04C5/10 ,  E04G21/12 ,  Y10T428/31529 ,  Y10T428/31678

摘要： Provided is a pregrouted PC steel material comprising a PC steel stranded wire composed of a plurality of steel wires, a pregrout layer disposed on the outer periphery of the PC steel stranded wire so as to accommodate the PC steel stranded wire, a sheath covering the outer periphery of the pregrout layer, and a capsule including a pregrout-hardening agent and a film with which the agent is covered, the capsule being interposed among the steel wires constituting the PC steel stranded wire. The capsule has a strength such that the capsule is not broken before tensioning the PC steel stranded wire but is broken by a tensile force during the tensioning. Also provided is a method for hardening the pregrout layer.

摘要翻译： 提供一种预浸渍的PC钢材料，其包括由多条钢丝组成的PC钢绞线，设置在PC钢绞线的外周上以便容纳PC钢绞线的预变色层，覆盖外层的护套 预成形层的周边，以及包含预变性剂的胶囊和被覆盖物的膜，胶囊插入构成PC钢绞线的钢丝中。 胶囊的强度使得胶囊在张紧PC钢绞线之前不会断裂，但在张紧期间被张力破坏。 还提供了用于硬化预变性层的方法。

公开(公告)号：US11143257B2

公开(公告)日：2021-10-12

申请号：US16087259

申请日：2017-01-24

申请人： Sumitomo (SEI) Steel Wire Corp.

发明人： Takafumi Uwano ,  Taketoshi Sasaki ,  Takao Yamazaki

IPC分类号： F16F1/02 ,  C22C38/00 ,  C23C8/10 ,  B21C9/02 ,  C23C28/00 ,  C23C8/80 ,  C21D9/02 ,  C23C8/14 ,  C22C38/04 ,  C22C38/02 ,  C21D1/18

摘要： A steel wire for a spring includes a steel wire that has Ca or Na adhered thereto in an amount of 0.2 g/m2 or less. The steel wire has an oxide film on a surface thereof, and the oxide film has a thickness of, for example, from 2.0 μm to 20 μm.

公开(公告)号：US10323415B2

公开(公告)日：2019-06-18

申请号：US14891638

申请日：2014-12-18

申请人： Sumitomo (SEI) Steel Wire Corp. ,  Sumitomo Electric Industries, Ltd.

发明人： Katsuhito Oshima ,  Masato Yamada ,  Yoshiyuki Matsubara ,  Kiminori Matsushita ,  Shuichi Tanaka ,  Jun Sugawara ,  Shingo Nakajima

IPC分类号： E04C5/08 ,  E04G21/12 ,  E04C5/10 ,  E04C5/01

摘要： A pregrouted PC steel material (10) includes a 19-wire-twisted PC strand (1), a pregrouted layer (2) disposed on an outer periphery of the PC strand (1), and a sheath (3) configured to cover an outer periphery of the pregrouted layer (2). A filling resin (4) is filled between steel wires (side wires) (1b, 1c, 1d). Since the filling resin (4) does not exude to the pregrouted layer (2) before tensioning of the PC strand (10), an operation of tensioning the PC strand (1) is not hindered by curing of the pregrouted layer (2). In contrast, since the gap between the steel wires is reduced when the PC strand (1) is tensioned, the filling resin (4) flows out (exudes) from between the steel wires to the pregrouted layer (2) to cure the pregrouted layer (2) only after the reduction.

公开(公告)号：US20180266000A1

公开(公告)日：2018-09-20

申请号：US15768728

申请日：2016-10-13

申请人： SUMITOMO ELECTRIC TOCHIGI CO., LTD. ,  Sumitomo (SEI) Steel Wire Corp. ,  SUMITOMO RUBBER INDUSTRIES, LTD. ,  NIPPON STEEL & SUMITOMO METAL CORPORATION

发明人： Tetsuya Nakajima ,  Kenichi Yamashita ,  Takashi Tokuyama ,  Shinei Takamura ,  Masumi Suzuki ,  Koji Fujisawa ,  Junichi Kodama

IPC分类号： C25D5/10 ,  C21D9/52 ,  C21D8/06 ,  C25D7/06 ,  C25D5/50 ,  B60C9/00 ,  C23F17/00 ,  C25D5/36 ,  C25D3/38 ,  C25D3/22 ,  C25D3/12 ,  D07B1/06

CPC分类号： C25D5/10 ,  B60C9/00 ,  B60C9/0007 ,  B60C2009/0014 ,  C21D8/065 ,  C21D9/525 ,  C23F17/00 ,  C25D3/12 ,  C25D3/22 ,  C25D3/38 ,  C25D5/36 ,  C25D5/50 ,  C25D7/06 ,  C25D7/0607 ,  D07B1/06 ,  D07B1/0666 ,  D07B2205/3025 ,  D07B2205/3067 ,  D07B2205/3071 ,  D07B2205/3089 ,  D07B2501/2046 ,  D10B2505/12 ,  D07B2801/18

摘要： There is provided a steel cord including a steel wire and a plating layer that covers the steel wire and has Cu, Zn, and Co, wherein Cu and Zn are alloyed and a region covered with Co and a region not covered with Co are mixed on the outermost surface of the plating layer.