公开(公告)号：US20180036830A1

公开(公告)日：2018-02-08

申请号：US15555401

申请日：2016-03-01

Applicant: JFE STEEL CORPORATION

Inventor： Shinsaku KOKUBO ,  Kenichi IWAZAKI ,  Hiromichi HORI

IPC: B23K11/36 ,  B23K31/10 ,  C23C22/12 ,  B21C37/08 ,  B21C37/30 ,  B23K11/087 ,  F16L9/17

CPC classification number: B23K11/36 ,  B21C1/24 ,  B21C37/08 ,  B21C37/30 ,  B23K11/0873 ,  B23K31/10 ,  C21D9/08 ,  C23C22/12 ,  F16L9/165 ,  F16L9/17

Abstract: An electric resistance welded steel pipe having an identifiable seam portion and a method for manufacturing the same. The electric resistance welded steel pipe includes a steel pipe portion with a seam portion, which is formed by electric resistance welding, and a coating portion of zinc phosphate. The coating portion covers at least an outer surface side of the steel pipe portion. A part of the coating portion that is immediately above the seam portion forms a color difference portion that has a width W along a pipe circumferential direction of greater than or equal to 0.1 times a wall thickness of the pipe and less than or equal to the wall thickness of the pipe. The color difference portion has a visually identifiable color difference from the other parts of the coating portion.

公开(公告)号：US20170341130A1

公开(公告)日：2017-11-30

申请号：US15536956

申请日：2016-03-11

Applicant: Diamet Corporation

Inventor： Takashi NAKAI ,  Kinya KAWASE

IPC: B21J5/06 ,  B21J5/02 ,  B21J13/02 ,  B22F3/24

CPC classification number: B21J5/06 ,  B21C37/30 ,  B21J5/002 ,  B21J5/02 ,  B21J13/02 ,  B21J13/025 ,  B21K1/30 ,  B22F3/164 ,  B22F3/24 ,  B22F2998/10 ,  B22F3/10 ,  B22F2003/166

Abstract: In a die for compressing and sizing a sintered body at straight portions, upper taper portions are provided on a die upper portion and a core rod upper portion, and the straight portions are provided at a die lower portion and a core rod lower portion. The die upper portion and the core rod upper portion have Young's moduluses higher than the die lower portion and the core rod lower portion. The die upper portion and the core rod upper portion are made of materials having Young's moduluses that are at least 50 GPa higher than that of the sintered body. The sintered body can be densified with a smaller ironing margin. Since the sintered body is ironed without being compressed, by the upper taper portions and the core rod upper portion having high Young's moduluses, the die is prevented from breaking and being abraded due to ironing.

公开(公告)号：US09156074B2

公开(公告)日：2015-10-13

申请号：US12737077

申请日：2009-05-28

Applicant: Jochem Beissel ,  Thilo Reichel

Inventor： Jochem Beissel ,  Thilo Reichel

IPC: B21D3/10 ,  B21D5/10 ,  B21C37/30 ,  B21C37/08 ,  B21D5/14

CPC classification number: B21D3/10 ,  B21C37/0807 ,  B21C37/30 ,  B21D5/10 ,  B21D5/14

Abstract: A method for producing a steel tube, wherein a steel sheet is formed into tubular body having a round cross section in a bending process, welded in a subsequent welding process along longitudinal edges facing each other for producing a continuous longitudinal seam, and then subjected to a stress-relieving treatment. The production quality is improved, with reduced production time, because the stress-relieving treatment is performed in a process for concentrically truing along the circumference in at least one segment relative to the longitudinal axis thereof, while cold forming by compression (FIG. 1). The mechanical technological properties of the material are also thereby improved.

Abstract translation: 一种钢管的制造方法，其特征在于，钢板在弯曲加工中形成为具有圆形截面的管状体，在随后的焊接工序中，沿着彼此面对的纵向边缘焊接，制造连续的纵向接缝， 减轻压力的治疗。 由于在通过压缩冷成形（图1）的同时沿着相对于其纵向轴线的至少一个部分中的圆周进行同心整理的过程中执行应力消除处理，生产质量得到改善，生产时间缩短， 。 因此，材料的机械技术性能也得到改善。

公开(公告)号：US20150217353A1

公开(公告)日：2015-08-06

申请号：US14612874

申请日：2015-02-03

Applicant: ECOROLL AG Werkzeugtechnik

Inventor： Karsten Roettger

IPC: B21C37/30 ,  B23D77/04 ,  B24B39/02

CPC classification number: B21C37/30 ,  B23B29/03457 ,  B23B29/0346 ,  B23B29/03489 ,  B23B29/03492 ,  B23B41/12 ,  B23B2220/40 ,  B23B2260/108 ,  B23B2270/26 ,  B23D77/04 ,  B24B39/023 ,  Y10T407/10 ,  Y10T407/19 ,  Y10T407/1952

Abstract: A combined skiver and a smooth rolling tool with a skiver head and behind this a smooth rolling head, wherein between the skiver head and the rolling head an exclusive torque transmitting coupling is located which restricts the allowable axis shaft offset and/or the angular position of the axes of the rolling head and skiver head, to which the rolling head is connected, characterized in that the skiver head (2) is guided through a workpiece bore via a hydrostatic guideway.

Abstract translation: 一个组合的踏板机和一个平滑的滚动工具，带有一个滑动头，后面是一个光滑的滚动头，其中在分配器头部和滚动头之间定位专用扭矩传递联轴器，其限制允许的轴轴偏移和/或角位置 滚动头与滚动头连接的滚动头和摇摆头的轴线，其特征在于，分流头（2）通过静压导轨被引导通过工件孔。

公开(公告)号：US08544311B2

公开(公告)日：2013-10-01

申请号：US13114090

申请日：2011-05-24

Applicant: Makoto Abe ,  Tomoaki Ikeda

Inventor： Makoto Abe ,  Tomoaki Ikeda

IPC: B21D17/02

CPC classification number: B21D1/08 ,  B21C37/30 ,  B21D3/14 ,  B21D37/02

Abstract: [Problem] There is provided a pipe end shape correcting apparatus capable of improving the roundness without loss of work efficiency and the mechanical damage to a weld bead even in the case where the pipe ends of UOE metal pipes having various outside diameters are worked.[Solution] In a pipe end shape correcting apparatus for a UOE metal pipe for correcting the roundness of a pipe end portion by applying a pressure to the pipe end portion held between an inner surface-side die and an outer surface-side die, the inner surface-side die having an upper surface having a circular arc-shaped cross section and being fixed to an upper part of a base on the inner surface side, and the outer surface-side die having a lower surface having a circular arc-shaped cross section and being fixed to a lower part of a base on the outer surface side, each of the inner surface-side die and the outer surface-side die is split into a plurality of parts, and is fixed so that a space between the split die parts is located in a respective central portion of the split inner surface-side dies and the split outer surface-side dies.

Abstract translation: [问题]即使在加工有各种外径的UOE金属管的管端的情况下，也能够提高圆形度而不损失工作效率和对焊缝的机械损伤。 [解决方案]在用于通过向保持在内表面侧模具和外表面侧模具之间的管端部施加压力来校正管端部的圆度的UOE金属管的管端形状校正装置中， 内表面侧模具具有圆弧形截面的上表面，并且在内表面侧固定到基部的上部，并且外表面侧模具具有下表面，其具有圆弧形状 并且固定在外表面侧的基部的下部，内表面侧模具和外表面侧模具中的每一个被分成多个部分，并被固定成使得在 分割模具部件位于分割的内表面侧模具和分割的外表面侧模具的相应的中心部分中。

公开(公告)号：US08474298B2

公开(公告)日：2013-07-02

申请号：US13275537

申请日：2011-10-18

Applicant: Andrew V Mather

Inventor： Andrew V Mather

IPC: B21J13/02 ,  B23Q3/08 ,  B25B5/14

CPC classification number: B21D3/14 ,  B21C37/30 ,  B29C53/20 ,  Y10T29/49718 ,  Y10T29/49732 ,  Y10T29/49872 ,  Y10T29/5177

Abstract: A hollow component is adjusted in shape, for example to correct circularity, by means of a shape adjusting tool. The tool comprises a base structure on which adjuster elements are guided. An adjustment ring has a ramp surface corresponding to each adjuster element so that rotation of the adjustment ring causes radial displacement of the adjuster elements 6. The adjuster elements are displaced in unison, and engage the internal surface of the component to be adjusted so as to deform the component to the desired shape. The segments are interconnected by rigid links and a single flexible link, and are supported on bearing rollers mounted on the base structure.

Abstract translation: 通过形状调整工具调节中空部件的形状，例如校正圆形度。 该工具包括其上引导调节元件的基座结构。 调节环具有对应于每个调节元件的斜面，使得调节环的旋转引起调节元件6的径向位移。调节元件一致地移动，并与待调节的部件的内表面接合，从而 使组件变形成所需的形状。 这些段通过刚性连接件和单个柔性连接件互连，并且被支撑在安装在基部结构上的轴承辊上。

公开(公告)号：US20120111084A1

公开(公告)日：2012-05-10

申请号：US13275537

申请日：2011-10-18

Applicant: Andrew V. MATHER

Inventor： Andrew V. MATHER

IPC: B23P17/00

CPC classification number: B21D3/14 ,  B21C37/30 ,  B29C53/20 ,  Y10T29/49718 ,  Y10T29/49732 ,  Y10T29/49872 ,  Y10T29/5177

Abstract: A hollow component is adjusted in shape, for example to correct circularity, by means of a shape adjusting tool. The tool comprises a base structure 2 on which adjuster elements 6 are guided. An adjustment ring 8 has a ramp surface 26 corresponding to each adjuster element 6 so that rotation of the adjustment ring 8 causes radial displacement of the adjuster elements 6. The adjuster elements 6 are displaced in unison, and engage the internal surface of the component to be adjusted so as to deform the component to the desired shape. The segments 20 are interconnected by rigid links 32 and a single flexible link 34, and are supported on baring rollers 36 mounted on the base structure 2.

Abstract translation: 通过形状调整工具调节中空部件的形状，例如校正圆形度。 该工具包括基座结构2，调节元件6被引导到基座结构2上。 调节环8具有对应于每个调节元件6的斜面26，使得调节环8的旋转引起调节元件6的径向位移。调节元件6一致地移位，并将部件的内表面接合到 被调节以使部件变形成所需的形状。 节段20通过刚性连杆32和单个柔性连杆34相互连接，并且被支撑在安装在基座结构2上的悬臂辊36上。

公开(公告)号：US08025276B2

公开(公告)日：2011-09-27

申请号：US12412675

申请日：2009-03-27

Applicant: Dale Madard Fisher, Jr. ,  Elizabeth Mary Sturdevant ,  Wenchao Wang

Inventor： Dale Madard Fisher, Jr. ,  Elizabeth Mary Sturdevant ,  Wenchao Wang

IPC: B23Q3/14 ,  B23P25/00

CPC classification number: B21C37/0815 ,  B21C37/30 ,  Y10T29/49885

Abstract: A mandrel 1 includes a top support 10, a first edge support 20, a bottom support 30, and a second edge support 40. The top support and first edge support make-up a first support section. The bottom support and second edge support make-up a second support section. The first support section and the second support section are disposed relative to one another so as to form an outer circumference. A jack 50 is coupled to the first and second support sections and is configured to move the first and second support sections relative to one another so as to adjust the outer circumference of the mandrel. A locking element 60 removably is coupled to the first and second support sections to selectively prevent relative movement between the first and second support sections.

Abstract translation: 心轴1包括顶部支撑件10，第一边缘支撑件20，底部支撑件30和第二边缘支撑件40.顶部支撑件和第一边缘支撑件构成第一支撑部分。 底部支撑和第二边缘支撑构成第二支撑部分。 第一支撑部和第二支撑部相对于彼此设置以形成外周。 插座50联接到第一和第二支撑部分并且被配置为相对于彼此移动第一和第二支撑部分，以便调节心轴的外周。 锁定元件60可移除地联接到第一和第二支撑部分，以选择性地防止第一和第二支撑部分之间的相对移动。

公开(公告)号：US07997955B2

公开(公告)日：2011-08-16

申请号：US12180385

申请日：2008-07-25

Applicant: Fred Harmat

Inventor： Fred Harmat

IPC: B24B51/00

CPC classification number: B21C37/30

Abstract: A method for the circumferential interior treatment of pipe elbows, including a step of positioning a working member within a pipe elbow and moving the working member along a portion of a length of the pipe elbow between selected working positions, while concurrently manipulating the pitch and rotational positioning of the pipe elbow to maintain a concentric rotation of the pipe elbow about the working member.

Abstract translation: 一种用于管弯头周向内部处理的方法，包括将工作构件定位在管弯头内的步骤，并且使工作构件沿着管弯头长度的一部分在选定的工作位置之间移动，同时操纵节距和旋转 管道弯头的定位以保持管弯头围绕工作构件的同心旋转。

公开(公告)号：US20110174046A1

公开(公告)日：2011-07-21

申请号：US12737077

申请日：2009-05-28

Applicant: Jochem Beissel ,  Thilo Reichel

Inventor： Jochem Beissel ,  Thilo Reichel

IPC: B21C37/08 ,  F16L9/02

CPC classification number: B21D3/10 ,  B21C37/0807 ,  B21C37/30 ,  B21D5/10 ,  B21D5/14

Abstract: The invention relates to a method for producing a steel tube, wherein a steel sheet (4) is formed into tubular body (1.2) having a round cross section in a bending process (a), welded in a subsequent welding process (b) along the longitudinal edges facing each other for producing a continuous longitudinal seam, and then subjected to a stress-relieving treatment. The production quality is improved, with reduced production time, in that the stress-relieving treatment is performed in a process (c) for concentrically truing along the circumference in at least one segment relative to the longitudinal axis thereof, while cold forming by compression (FIG. 1). The mechanical technological properties of the material are also thereby improved.

Abstract translation: 本发明涉及一种钢管的制造方法，其中钢板（4）在弯曲工序（a）中形成为具有圆形横截面的管状体（1.2），在随后的焊接工序（b）中焊接 纵向边缘彼此面对以产生连续的纵向接缝，然后进行应力消除处理。 生产质量得到改善，生产时间缩短，因为在（c）中进行应力消除处理，用于沿着相对于其纵向轴线的至少一个部分中的圆周进行同心整理，同时通过压缩冷成型 图。1）。 因此，材料的机械技术性能也得到改善。