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    • 4. 发明公开
    • BENT MEMBER, AND DEVICE AND METHOD FOR MANUFACTURING SAME
    • GEBOGENES ELEMENT SOWIE VORRICHTUNG UND VERFAHREN UND ZU DESSEN HERSTELLUNG
    • EP2471609A1
    • 2012-07-04
    • EP10811791.2
    • 2010-08-23
    • Sumitomo Metal Industries, Ltd.Sumitomo Pipe & Tube Co., Ltd.
    • TOMIZAWA, AtsushiKUBOTA, HiroakiKUWAYAMA, ShinjiroINOUE, Saburo
    • B21D7/16B21D7/08
    • B21D7/08B21D7/162B21D7/165Y10T428/1241
    • A bent member having a bent portion with an extremely small bend radius such as at most 1 - 5 times its wall thickness and an apparatus and method for its manufacture are provided. A bent member 21 is manufactured by supporting a rectangular tube 16 by a first support means 11 disposed at a first position A while performing relative feeding of the rectangular tube in its lengthwise direction, locally heating the rectangular tube 16 by a heating means 12 disposed at a second position B, cooling the rectangular tube by a cooling means 13 disposed at a third position C, and at the time of working, applying a shear force to the heated portion of the rectangular tube 16 with a shear force applying means 14 disposed in a downstream region D by moving the device 14 two-dimensionally or three-dimensionally simultaneously in the feed direction of the rectangular tube 16 and in a direction generally parallel to a transverse cross section in the lengthwise direction of the rectangular tube 16 which was heated by the heating means 12.
    • 具有弯曲部分的弯曲部件具有非常小的弯曲半径,例如其壁厚的至多1-5倍,并且提供了一种用于其制造的装置和方法。 通过在设置在第一位置A处的第一支撑装置11支撑矩形管16来制造弯曲构件21,同时在长度方向上执行矩形管的相对馈送,通过设置在矩形管16上的加热装置12局部加热矩形管16 第二位置B,通过设置在第三位置C的冷却装置13冷却矩形管,并且在加工时,使用设置在矩形管16中的剪切力施加装置14向矩形管16的加热部分施加剪切力 通过在矩形管16的进给方向上沿着与矩形管16的长度方向大致平行的横截面的方向二维或三维同时地移动装置14来形成下游区域D,矩形管16的长度方向被加热 加热装置12。
    • 7. 发明公开
    • MANUFACTURING APPARATUS FOR HOT-ROLLED STEEL PLATE AND MANUFACTURING METHOD FOR STEEL PLATE
    • 设备的用于生产热轧钢板及其制造方法钢板
    • EP2455167A1
    • 2012-05-23
    • EP10799709.0
    • 2010-06-22
    • Sumitomo Metal Industries, Ltd.
    • HOSHO, TomofumiHARAGUCHI, YoichiKOBAYASHI, Kazuaki
    • B21B45/02B21B1/26B21B39/08B21B39/14
    • B21B45/0218
    • The present invention provide, in a production line of the hot-rolled steel sheet: a manufacturing apparatus of a hot-rolled steel sheet, and a manufacturing method of a steel sheet, which are excellent in discharging water.
      The manufacturing apparatus of a hot-rolled steel sheet comprises a final stand, and a cooling apparatus, wherein the final stand comprises a pair of standing side members in a housing of the final stand; the cooling apparatus comprises a plurality of rows of upper surface cooling nozzles which are configured to spray cooling water over an upper surface of the steel sheet, and which are arranged along a transporting direction of the steel sheet; comprises a plurality of rows of lower surface cooling nozzles which are configured to spray cooling water over a lower surface of the steel sheet, and which are arranged along a transporting direction; and comprises an upper surface guide on the upper surface side of the steel sheet; an end portion of the cooling apparatus on a side of the final stand is arranged between the standing side members of the housing; and when defining a width of a uniformly cooled region as W; defining an average gap distance between the end portion of the width of the uniformly cooled region and the standing side member of the housing as W sw ; defining a gravity acceleration rate as g; defining an average water volume density of the width of the uniformly cooled region as Qq; and defining a value determined by W sw and an average distance h between the upper surface guide and the upper surface of the steel sheet as C, a specific relation is satisfied.
    • 本发明提供,在热轧钢板的生产线:热轧钢板的制造装置,和钢板的制造方法,其是具有优良的排出水。 热轧钢板的制造装置包括最终轧机,以及一个冷却装置,worin最终轧机包括一对在最后机架处的壳体站在侧构件; 的冷却装置包括被构造成喷射在钢板的上表面的冷却水结束,并且沿着钢板的输送方向布置的上表面冷却的喷嘴的行中的多个; 包括被配置为在钢板的下表面喷洒冷却水,并沿着一个方向传送被布置下表面冷却喷嘴的行中的多个; 并且包括关于在钢板的上表面侧的上表面引导件; 在对最终机座的一侧的冷却装置的端部被所述壳体的直立侧部构件之间布置; 当限定一个均匀冷却区域为W的宽度; 上定义的均匀冷却和壳体为W SW的直立侧构件的宽度的端部之间的平均间隙距离; 限定重力加速度速率为g; 上定义的均匀冷却区域像QQ的宽度的平均水量密度; 和值限定确定性由W SW和上表面引导件和钢板为C的上表面之间的平均距离h开采,特定的关系被满足。
    • 9. 发明公开
    • METHOD FOR ANALYZING OXYGEN IN STEEL
    • VERFAHREN ZUR SAUERSTOFFANALYSE BEI STAHL
    • EP2426479A1
    • 2012-03-07
    • EP10769591.8
    • 2010-04-01
    • Sumitomo Metal Industries, Ltd.
    • ARAI Masahiro
    • G01N21/35
    • G01N1/34G01N1/286G01N1/4022G01N21/3563G01N33/203
    • In a method in which a steel sample is loaded into a graphite crucible and fused by heating in an inert gas and the oxygen concentration of the sample is measured from the infrared absorption of one or both carbon monoxide and carbon dioxide generated by the sample, a small piece used as a sample and obtained by machining a steel block taken from molten steel so as to have a height of 1.5 - 7 mm and a ratio (S/V) of the surface area S to the volume V of 1.05 - 1.30 is subjected to vacuum arc plasma treatment with a vacuum of 5 - 35 Pa at the start of arc plasma discharge and with an arc plasma output current of 15 - 5 5 A as pretreatment for removing an oxide film from the surface of the sample and cleaning the surface so as to realize rapid analysis with high accuracy, the vacuum arc plasma discharge is carried out a total of at most 4 times with the total treatment time being 0.2 - 1.2 seconds, and the sample is then directly loaded without exposing to the atmosphere into the graphite crucible which is waiting after cleaning is performed thereon by heating at a temperature higher than the analysis temperature followed by lowering the temperature to the analysis temperature.
    • 在将钢样品装载到石墨坩埚中并通过在惰性气体中加热熔融并且由样品产生的一氧化碳和二氧化碳中的一种或两种的红外吸收测量样品的氧浓度的方法中, 小件作为样品,通过机加工钢水从钢水中得到的高度为1.5〜7mm,表面积S与体积V的比(S / V)为1.05〜1.30的比例为 在电弧等离子体放电开始时以5〜35Pa的真空进行真空电弧等离子体处理,电弧等离子体输出电流为15〜5 5 A,作为从样品表面除去氧化膜的预处理,并清洗 表面,以高精度实现快速分析,真空电弧等离子体放电总共进行4次,总处理时间为0.2〜1.2秒,然后将样品直接加载而不暴露于大气中 图形 通过在高于分析温度的温度下进行加热,然后将温度降低至分析温度,在清洁后等待的坩埚。
    • 10. 发明公开
    • COMPOSITE STEEL SHEET PILE AND STEEL SHEET PILE WALL USING THE COMPOSITE STEEL SHEET PILE
    • VERBUNDSTAHLSPUND UND STAHLSPUNDWAND MIT DEM VERBUNDSTAHLSPUND
    • EP2423389A1
    • 2012-02-29
    • EP10767049.9
    • 2010-04-20
    • Sumitomo Metal Industries, Ltd.
    • NAGAO, NaoyaTANAKA, HiroyukiKAMEYAMA, Akihisa
    • E02D5/04
    • E02D5/04E02D5/06
    • A composite steel sheet pile and a steel sheet pile wall which comprise a steel sheet pile and a rigidity increasing steel material which are not fully integrated with each other but are combined with each other as superposed beams in such a manner that the deflection behaviors of the steel sheet pile and the rigidity increasing steel material almost coincide with each other. The configuration eliminates labor and cost required for welding, shape measurement, correction work, processing management etc., and allows the composite steel sheet pile and the steel sheet pile wall to be stored and transported with high efficiency. An H-shaped steel member 3 is disposed inside the web section of a steel sheet pile 2, and the upper end and the lower end of the H-shaped steel member 3 are joined to the web section of the steel sheet pile 2. Steel sheet piles 2 are connected together by engagement between joints 4, 5 provided at both ends of each steel sheet pile 2 in the width direction thereof, the connection being made in such a manner that protrusions and recesses in a cross-section of the steel sheet piles 2 face the same direction. One end of an H-shaped steel member 3 is secured by welding 6 etc. to a steel sheet pile 2, and the other end is joined to the steel sheet pile 2 using a combination of a joining bolt and a bolt hole having a size greater than a bolt hole having a size appropriate for the diameter of the bolt, and as a result, the H-shaped steel member 3 and the steel sheet pile 2 are permitted to be displaced from each other in the top-bottom direction. The H-shaped steel member 3 and the steel sheet pile 2 can be joined together in a construction site, and this allows the H-shaped steel member 3 and the steel sheet pile 2 to be transported separately to the site, joined together in the site and driven into the ground in the integrated form.
    • 一种复合钢板桩和钢板桩墙,其包括彼此不完全一体化但彼此组合的钢板桩和刚性增加钢材,作为叠加梁,使得其的挠曲行为 钢板桩和刚性增加的钢材几乎相互重合。 该配置消除了焊接所需的劳动力和成本,形状测量,校正工作,加工管理等,并且使得复合钢板桩和钢板桩墙能够高效率地储存和运输。 H型钢构件3设置在钢板桩2的腹板部内,H型钢构件3的上端和下端与钢板桩2的腹板部接合。钢 钢板桩2通过在钢板桩2的宽度方向的两端设置的接头4,5之间的接合而连接在一起,该连接方式使得钢板的横截面中的突起和凹部 桩2朝向相同的方向。 H形钢构件3的一端通过焊接6等固定到钢板桩2上,另一端使用连接螺栓和螺栓孔的组合连接到钢板桩2 大于具有适合于螺栓直径的尺寸的螺栓孔,结果允许H形钢构件3和钢板桩2在上下方向上彼此移位。 H型钢构件3和钢板桩2可以在施工现场接合在一起,这样H形钢构件3和钢板桩2可以分开运送到现场,在 并以综合形式进入地面。