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    Steel for shaft
    31.
    发明公开
    Steel for shaft 审中-公开
    StahlfürWelle

    公开(公告)号：EP1186678A1

    公开(公告)日：2002-03-13

    申请号：EP01120653.9

    申请日：2001-08-30

    申请人： DAIDO TOKUSHUKO KABUSHIKI KAISHA

    发明人： Hazama, Yasuhiro ,  Takahashi, Kenji ,  Okabe, Michio

    IPC分类号： C22C38/40 ,  C22C38/00 ,  C22C38/60

    CPC分类号： C22C38/42 ,  C22C38/001 ,  C22C38/44 ,  C22C38/60

    摘要： A steel for shaft, which has corrosion resistance, machinability, and straightness at substantially the same levels as those of free cutting steel 12L14 plated with Ni, which has conventionally been used as a steel for shaft, and need not be plated on its surfaces, thus making it possible to reduce the production cost therefor, and which comprises: 0.05 % by mass or less of C; 0.15 % by mass or less of Si; 0.40 % by mass or less of Mn; 6.0 to 10.0 % by mass of Cr; 0.10 % by mass or less of S; 0.30 to 0.80 % by mass of Ni; 0.10 to 0.30 % by mass of Pb; 0.001 to 0.10 % by mass of N; and the balance of Fe and an unavoidable impurity.

    摘要翻译： 一种用于轴的钢，其耐蚀性，机械加工性和直线度基本上与电镀Ni的自由切割钢12L14的水平基本相同，其通常用作轴的钢，并且不需要在其表面上镀覆， 从而可以降低其生产成本，并且其包括：0.05质量％以下的C; 0.15质量％以下的Si; 0.40质量％以下的Mn; 6.0〜10.0质量％的Cr; 0.10质量％以下的S; 0.30〜0.80质量％的Ni; 0.10〜0.30质量％的Pb; 0.001〜0.10质量％的N; 余量为Fe和不可避免的杂质。

    Method for manufacturing joint of carbon steel pipes suitable for expansion and expanding method
    34.
    发明公开
    Method for manufacturing joint of carbon steel pipes suitable for expansion and expanding method 审中-公开
    制造的膨胀接头为碳钢和膨胀过程的管道的方法

    公开(公告)号：EP1078709A2

    公开(公告)日：2001-02-28

    申请号：EP00118089.2

    申请日：2000-08-23

    申请人： DAIDO TOKUSHUKO KABUSHIKI KAISHA

    发明人： Shimizu, Takao ,  Horio, Hirotsugu, Daido Tokushuko Chitaryo C-317 ,  Kitou, Kazushige ,  Inagaki, Shigeyuki, Daido Tokushuko Tenpakuso 205 ,  Yamada, Ryuzo, Daido Tokushuko Rinkaiso A-301

    IPC分类号： B23K13/02

    CPC分类号： B23K20/028 ,  B23K20/16 ,  B23K20/22 ,  B23K2201/06

    摘要： Carbon steel pipes are joined to each other in a non-oxidizing atmosphere by using an insert constituted by a Ni-base alloy or a Fe-base alloy having a melting point which is lower than 1200°C and a thickness of 80mm or smaller under conditions that the surface roughness Rmax of the joined surfaces of the carbon steel pipes is 20 µm or smaller, the joining temperature is not lower then 1250°C nor higher then 1330°C, duration at the joining temperature is 30 seconds or longer and the pressure is not lower than 2 Mpa nor higher than 4 MPa. The expanding operation is performed such that the maximum difference in level of the joined portion is not larger than 25% of the carbon steel pipe and the expansion ratio is 25% or lower.

    摘要翻译： 碳钢管是通过使用以插入由Ni基合金或具有熔点所有这一切是低于1200℃并在一个厚度为80mm或更小的Fe基合金构成接合到在非氧化性气氛中彼此 条件做了碳钢管的接合面的表面粗糙度（Rmax）为20微米或更小，在接合温度为不低于然后1250℃也不在接合温度高于1330℃，时间为30秒或更长的时间和 该压力不大于2兆帕下也不超过4兆帕以上。 扩展操作进行检查的确在接合部分的电平的最大差不在碳钢管的大于25％，膨胀比为25％或更低。

    Metal pipe inner surface weld-mounting apparatus having monitor device
    35.
    发明公开
    Metal pipe inner surface weld-mounting apparatus having monitor device 审中-公开
    对于堆焊在管的内表面上的监视装置的设备

    公开(公告)号：EP1053817A2

    公开(公告)日：2000-11-22

    申请号：EP00110827.3

    申请日：2000-05-22

    申请人： DAIDO TOKUSHUKO KABUSHIKI KAISHA

    发明人： Takeuchi, Yuko ,  Hayakawa, Hitoshi ,  Tsuchiya, Masaki

    IPC分类号： B23K9/04 ,  B23K9/095

    CPC分类号： B23K9/0284 ,  B23K9/1274 ,  B23K2201/06

    摘要： A metal pipe inner surface weld-mounting apparatus is constituted by an arm (3), a horizontal torch (4), a mirror (21; 80), and a camera (24). The arm (3) has a supported base end portion, which is horizontally extended. The horizontal torch (4) is attached to a leading end portion of the arm. The weld-mounting is performed on an inner surface portion of a metal pipe (w) supported rotatably around a horizontally extending axis (14) while at least one of the metal pipe (w) and the horizontal torch (4) is moved in a direction of the axis. The mirror (21; 80) is attached to the leading end portion of the arm. The camera (24), is disposed in a position separated from the mirror for picking up an image (25), of weld-mounting beads (23), in a neighbourhood of arc light (22), of the horizontal torch (4) through the mirror (21; 80). Preferably, a monitoring device (26; 70) monitors a condition of the weld-mounting.

    摘要翻译： 的金属管内表面焊接安装装置由在臂构成（3），水平炬（4），反射镜（21; 80），和一个照相机（24）。 所述臂（3）具有支撑的基端部，所有这些水平延伸。 水平炬（4）附接至所述臂的前端部。 焊接安装用进行到一个金属管（W）的周围的水平延伸的轴线（14）旋转自如地支承内表面部分，而金属管中的至少一个（W）和水平炬（4）在移动 轴线的方向。 反射镜（21; 80）附接至所述臂的前端部。 相机（24）在从反射镜分离的用于在水平炬的电弧光（22）的附近拾取的焊接安装珠（23）的图像（25）的位置处设置在（4） 通过反射镜（21; 80）。 优选地，监视装置（26; 70）监视所述焊接安装的条件。

    Quantum well type light-emitting diode
    36.
    发明公开
    Quantum well type light-emitting diode 审中-公开
    Lichtemittierende Diode von Quantumwell-Typ

    公开(公告)号：EP1045457A2

    公开(公告)日：2000-10-18

    申请号：EP00106534.1

    申请日：2000-03-27

    申请人： DAIDO TOKUSHUKO KABUSHIKI KAISHA

    发明人： Mizuno, Yoshiyuki

    IPC分类号： H01L33/00

    CPC分类号： H01L33/08 ,  H01L33/06 ,  H01L33/105

    摘要： A quantum well type light-emitting diode having a light-emitting portion (48) and formed of a plurality of semiconductor layers including at least one light-generating layer (18, 22, 26) of a quantum well structure for generating a light, and a pair of reflecting layers (14, 30) between which the at least one light-generating layer is interposed for reflecting the light generated by the at least one light-generating layer, so that the pair of reflecting layers functions as a light resonator, the quantum well type light-emitting diode emitting the light generated by the light-generating layer from the light-emitting portion, wherein the improvement comprises: each of the at least one light-generating layer (18, 22, 26) having a lattice constant which is smaller than that of at least two semiconductor layers (16, 20, 24, 28) of the plurality of semiconductor layers, which two semiconductor layers are located adjacent to and on opposite sides of the at least one light-generating layer.

    摘要翻译： 一种量子阱型发光二极管，具有发光部分（48）并且由多个半导体层形成，所述多个半导体层包括用于产生光的量子阱结构的至少一个光产生层（18,22,26） 和一对反射层（14,30），在该反射层之间插入有至少一个光产生层，用于反射由至少一个发光层产生的光，使得该对反射层用作光谐振器 所述量子阱型发光二极管从所述发光部发射由所述发光层产生的光，其中，所述改进包括：所述至少一个发光层（18,22,26）中的每一个具有 晶格常数小于多个半导体层的至少两个半导体层（16,20,24,28）的晶格常数，所述两个半导体层位于所述至少一个发光层的相邻侧和相对侧 。

    Cast cold tool and method for producing the same
    38.
    发明公开
    Cast cold tool and method for producing the same 失效
    Gegossenes Werkzeug und Verfahren zu dessen Herstellung

    公开(公告)号：EP0869196A2

    公开(公告)日：1998-10-07

    申请号：EP98104919.0

    申请日：1998-03-18

    申请人： DAIDO TOKUSHUKO KABUSHIKI KAISHA

    发明人： Utira, Tatsumi ,  Ozaki, Kozo ,  Matsuda, Yukinori

    IPC分类号： C22C38/22 ,  C22C38/26 ,  C21D6/00 ,  B21D37/01

    CPC分类号： C21D6/002 ,  C21D1/18 ,  C21D1/32 ,  C21D1/78 ,  C21D9/0068 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26

    摘要： A cast cold tool is obtained through the steps of forming a casting by founding a molten steel consisting by weight percentage of 0.5 to 0.8 % of C, not more than 1.0 % of Si, 0.25 to 1.50 % of Mn, 4.0 to 8.0 % of Cr, 1.0 to 5.0 % of Mo, one or both of 0.2 to 1.0 % of V and 0.2 to 2.0 % of Nb, opptionally not more than 2.5 % of W, not more than 2.5 % of Ni, and the balance being Fe plus incidental impurities, subjecting the casting to solid solution treatment to decrease primary carbides precipitated in the casting to not more than 1 %, preferably to extinguish completely, and subjecting the solid-solution treated casting to quenching and tempering treatment to give predetermined toughness and hardness to the casting.

    摘要翻译： 通过以下步骤获得铸造冷工具：铸造钢的重量百分比为0.5〜0.8％，Si：1.0％以下，Mn：0.25〜1.50％，4.0〜8.0％ Cr，1.0〜5.0％的Mo，0.2〜1.0％的V和0.2〜2.0％的Nb中的一种或两种，有效不超过2.5％的W，不超过2.5％的Ni，余量为Fe + 偶然杂质，对铸件进行固溶处理，将铸件中沉淀的一次碳化物减少到不超过1％，优选完全熄灭，并对固溶处理的铸件进行淬火和回火处理，给出预定的韧性和硬度 铸造。