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    SCREW COUPLING FOR STEEL PIPE
    1.
    发明公开
    SCREW COUPLING FOR STEEL PIPE 审中-公开
    钢管螺纹连接

    公开(公告)号：EP2949983A1

    公开(公告)日：2015-12-02

    申请号：EP13872310.1

    申请日：2013-01-28

    Applicant: JFE Steel Corporation

    Inventor： NAGAHAMA, Takuya ,  SONOBE, Osamu ,  YOSHIKAWA, Masaki ,  TAKANO, Jun ,  KAWAI, Takamasa

    IPC: F16L15/04

    CPC classification number: E21B17/042 ,  F16L15/00 ,  F16L15/004 ,  F16L2201/40

    Abstract: Provided is a threaded joint in which the outer peripheral face 31 of the pin nose 8 has a single tapered shape, the seal face 21 of the box 1 has an outwardly convex curved shape, and a seal point x p defined by the following equation is greater than or equal to 0.2 inches, x p = ∫ x 1 x 2 ⁢ p ⁢ x ⅆ x F F = ∫ x 1 x 2 ⁢ p ⅆ x ,
    where p is a contact face pressure, x is a distance from an end of the pin in a pipe axis direction, and x 1 and x 2 are respectively a lower limit and an upper limit of a domain of x corresponding to the seal portion.

    Abstract translation: 本发明提供一种螺纹接头，该螺纹接头的销头8的外周面31为单锥形状，箱体1的密封面21具有向外凸的弯曲形状，由下式定义的密封点xp更大 大于或等于0.2英寸，其中，p是接触面压力，x是从销轴沿管轴方向的一端到x1和x2的距离，x1 =x1x2πxx= x1x2pxx = 分别对应于密封部分的x的域的下限和上限。

    PIPE SCREW COUPLING
    5.
    发明公开
    PIPE SCREW COUPLING 有权
    管螺纹连接

    公开(公告)号：EP2589846A1

    公开(公告)日：2013-05-08

    申请号：EP11800871.3

    申请日：2011-06-22

    Applicant: JFE Steel Corporation

    Inventor： SONOBE, Osamu ,  NAGAHAMA, Takuya ,  YOSHIKAWA, Masaki ,  TAKANO, Jun ,  KAWAI, Takamasa ,  TAKAHASHI, Kazunari

    IPC: F16L15/04

    CPC classification number: E21B17/042 ,  F16L15/00 ,  F16L15/004 ,  F16L15/06

    Abstract: Provided is a threaded joint for a pipe in which sealability, compression resistance, and galling resistance are enhanced. Specifically, a pin nose outer peripheral surface (30) forms an outward convex curve in an axial cross-sectional view; the convex curve is such that a composite R curve (N), in which a plurality of outward convex arcs having different radiuses of curvature (Rs) are connected in sequence to a generating line of a cylindrical portion next to a male member (5), is curved such that the radiuses of curvature (Rs) increase with distance from the male member (5) and tangents on connection points of the arcs are aligned with those of corresponding arcs connected thereto; and the inner peripheral surface of a box component (1) facing the pin nose (30) is a tapered surface (20) that interferes with the pin nose outer peripheral surface (30) when connected to a pin component (3).

    Abstract translation: 本发明提供密封性，耐压缩性，耐擦伤性提高的管用螺纹接头。 具体而言，销尖外周面（30）在轴向截面图中形成向外凸出的曲线; 所述凸曲线是这样的复合R曲线（N），其中具有不同曲率半径（Rs）的多个向外凸起弧顺序地连接到与凸构件（5）相邻的圆柱形部分的生成线， 弯曲，使得曲率半径（Rs）随着离开阳构件（5）的距离而增加，并且弧的连接点上的切线与连接到其上的相应弧的切线对齐; 并且面向销鼻（30）的盒部件（1）的内周表面是当连接到销部件（3）时与销尖外周表面（30）干涉的锥形表面（20）。

    SPRINGBACK AMOUNT EVALUATION METHOD
    7.
    发明公开
    SPRINGBACK AMOUNT EVALUATION METHOD 审中-公开
    VERFAHREN ZUR BEURTEILUNG DESRÜCKFEDERUNGSAUSMASSES

    公开(公告)号：EP2915606A1

    公开(公告)日：2015-09-09

    申请号：EP13852155.4

    申请日：2013-09-27

    Applicant: JFE Steel Corporation

    Inventor： KANO, Hirotaka ,  SONOBE, Osamu

    IPC: B21D22/00 ,  G06F17/50

    CPC classification number: G06F17/5009 ,  B21D22/00 ,  B21J5/00 ,  B21K7/12 ,  G06F17/11 ,  G06F2217/16 ,  G06F2217/41 ,  Y02T10/82

    Abstract: A springback amount evaluation method according to the present invention: has a section plane setting step S1 of setting a plurality of section planes intersecting a shape of a press forming product at predetermined intervals, a sectional shape obtaining step S3 of obtaining a sectional shape of the press forming product for each of the set section planes, and a sectional shape direction obtaining step S5 of obtaining an orientation of the each sectional shape in each section plane as a direction of the each sectional shape; performs, for each of a shape to be a reference of the press forming product and a shape after die release, the section plane setting step S1, the sectional shape obtaining step S3, the sectional shape direction obtaining step S5 or a position identifying point coordinate obtaining step S7; and includes a springback amount evaluation step S9 of evaluating an amount of springback by comparing the obtained directions of the sectional shapes for the shape to be the reference and the shape after the die release, for all of the section planes.

    Abstract translation: 根据本发明的回弹量评估方法：具有设定与预定间隔的冲压成形品的形状相交的多个截面的截面设定步骤S1，得到截面形状取得​​步骤S3， 以及截面形状方向获得步骤S5，其获得每个截面中每个截面形状的取向作为每个截面形状的方向; 对于作为冲压成形品的基准的形状和脱模后的形状，分别对截面形状取得​​步骤S3，截面形状取得​​步骤S5，位置识别点坐标 获取步骤S7; 并且包括回弹量评估步骤S9，用于对于所有截面，通过比较获得的作为基准的形状的截面形状的方向和脱模后的形状来评估回弹量。

    METHOD FOR FORMING DEFORMED CROSS-SECTION AND FORMED ARTICLE OF QUADRILATERAL CROSS-SECTION EXHIBITING EXCELLENT SPOT WELDABILITY
    8.
    发明公开
    METHOD FOR FORMING DEFORMED CROSS-SECTION AND FORMED ARTICLE OF QUADRILATERAL CROSS-SECTION EXHIBITING EXCELLENT SPOT WELDABILITY 有权
    用于生产异型断面口，形成与优秀点焊能力的文章四边形的截面

    公开(公告)号：EP2351623A1

    公开(公告)日：2011-08-03

    申请号：EP09816295.1

    申请日：2009-09-24

    Applicant: JFE Steel Corporation

    Inventor： SHINMIYA, Toyohisa ,  SUZUKI, Koji ,  SONOBE, Osamu ,  HASHIMOTO, Yuji ,  IKEDA, Rinsei ,  SATO, Akio

    IPC: B21D26/02 ,  B21D51/16

    CPC classification number: B21D26/041 ,  B21D26/033

    Abstract: It is difficult for a forming technique of complex cross-section shape of the related art to obtain a complex cross-section forming article having high spot weldability and high dimensional accuracy.
    More specifically, a tubing material 10 having a tensile strength (TS) of 590 MPa or more is crushed by complex cross-section shape forming dies 1 and 1A each having at least one surface with a flat portion in a state in which no internal pressure is loaded or an internal pressure of 50 MPa or less is loaded to the tubing material by liquid, and an internal pressure such that the maximum internal pressure becomes higher than or equal to the following P min [MPa] is continuously loaded by the liquid so as to form the tubing material into a complex cross-section shape. P min = 0.045xTS

    Abstract translation: 这是困难的相关技术的复杂的横截面形状的成形技术，以获得具有高点焊性和高尺寸精度的异形断面成形品。 更具体地，具有590MPa以上的拉伸强度（TS）的管道材料10由复杂的横截面形状的状态下，成形模具1和1A具有平坦部分各自具有至少一个表面粉碎，其中没有内部压力 被加载或至50MPa或更小的内部压力由液态装载到管材料，并检查没有最大内部压力变得高于或等于后的P分压力[MPa]连续地由液体装入内部压力，从而 以形成管材料成复杂的横截面形状。 P MIN = 0.045xTS

    THREADED JOINT FOR PIPE
    10.
    发明公开
    THREADED JOINT FOR PIPE 审中-公开
    用于管道的螺纹接头

    公开(公告)号：EP3196524A1

    公开(公告)日：2017-07-26

    申请号：EP17156626.8

    申请日：2011-06-22

    Applicant: JFE Steel Corporation

    Inventor： SONOBE, Osamu ,  NAGAHAMA, Takuya ,  YOSHIKAWA, Masaki ,  TAKANO, Jun ,  KAWAI, Takamasa ,  TAKAHASHI, Kazunari

    IPC: F16L15/04 ,  E21B17/042 ,  F16L15/00

    CPC classification number: E21B17/042 ,  F16L15/00 ,  F16L15/004 ,  F16L15/06

    Abstract: Provided is a threaded joint for a pipe in which sealability, compression resistance, and galling resistance are enhanced. Specifically, a pin nose outer peripheral surface (30) forms an outward convex curve in an axial cross-sectional view; the convex curve is such that a composite R curve (N), in which a plurality of arcs having different radiuses of curvature (Rs) are connected in sequence to a generating line of a cylindrical portion next to a male member (7) directly or via line segments having a length of 2.5 mm or less, is curved such that the radiuses of curvature (Rs) increase with distance from the male member (7) and tangents on connection points of the arcs are aligned with those of corresponding arcs connected thereto; and the inner peripheral surface of a box component (1) facing the pin nose (8) is a tapered surface (20) that interferes with the pin nose outer peripheral surface (30) when connected to a pin component (3).

    Abstract translation: 本发明提供密封性，耐压缩性，耐擦伤性提高的管用螺纹接头。 具体而言，销尖外周面（30）在轴向截面图中形成向外凸出的曲线; 凸曲线是这样的复合R曲线（N），其中具有不同曲率半径（Rs）的多个弧直接依次连接到与凸构件（7）相邻的圆柱形部分的母线或 通过具有2.5mm或更小的长度的线段弯曲，使得曲率半径（Rs）随着离开阳构件（7）的距离而增加，并且弧的连接点上的切线与连接到其的相应弧的切线对齐 ; 并且面向销鼻（8）的盒部件（1）的内周表面是当连接到销部件（3）时与销尖外周表面（30）干涉的锥形表面（20）。

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