公开(公告)号：US20080209715A1

公开(公告)日：2008-09-04

申请号：US11992896

申请日：2006-11-09

申请人： Kazuhito Kenmochi ,  Takatoshi Okabe ,  Hiroyasu Yokoyama ,  Hiroyuki Shirosawa ,  Tetsuro Sawaki ,  Yuji Sugimoto ,  Tomohiro Inoue ,  Tatsuo Koide

发明人： Kazuhito Kenmochi ,  Takatoshi Okabe ,  Hiroyasu Yokoyama ,  Hiroyuki Shirosawa ,  Tetsuro Sawaki ,  Yuji Sugimoto ,  Tomohiro Inoue ,  Tatsuo Koide

IPC分类号： B23P19/00

CPC分类号： B23K33/006 ,  B21C37/083 ,  B23K11/062 ,  B23K2101/10 ,  Y10T29/49968 ,  Y10T29/53

摘要： Manufacturing equipment of electric resistance welding pipes is provided in which lateral edges of a strip for an electric resistance welding pipe is shaped with appropriate tapering immediately before electric resistance welding so that welding quality is kept excellent. Cutting or shaving means is provided after a leveler. At least one finpass forming stand is provided which includes a fin having tapering having at least 2 stages.

摘要翻译： 提供了电阻焊接管的制造设备，其中用于电阻焊接管的带材的侧边缘在电阻焊接之前成形为适当的锥形，从而焊接质量保持良好。 在矫直机之后提供切割或剃须装置。 提供至少一个鳍形成形架，其包括具有至少两个阶段的锥形的翅片。

公开(公告)号：US07887649B2

公开(公告)日：2011-02-15

申请号：US12307439

申请日：2007-06-19

申请人： Shunsuke Toyoda ,  Masatoshi Aratani ,  Yoshikazu Kawabata ,  Yuji Hashimoto ,  Koji Suzuki ,  Kei Sakata ,  Makio Gunji ,  Akio Sato ,  Tetsuro Sawaki

发明人： Shunsuke Toyoda ,  Masatoshi Aratani ,  Yoshikazu Kawabata ,  Yuji Hashimoto ,  Koji Suzuki ,  Kei Sakata ,  Makio Gunji ,  Akio Sato ,  Tetsuro Sawaki

IPC分类号： C21D9/08 ,  C22C38/00 ,  C21D8/02

CPC分类号： B21C37/08 ,  C21D1/26 ,  C21D8/02 ,  C21D8/0226 ,  C21D8/0263 ,  C21D9/08 ,  C21D2211/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14

摘要： A high-tensile strength welded steel tube has excellent formability and torsional fatigue endurance after being formed into cross-sectional shape and then stress-relief annealed. A steel material used has a composition which contains C, Si, Al, 1.01% to 1.99% Mn, 0.041% to 0.150% Ti, 0.017% to 0.150% Nb, P, S, N, and O such that the sum of the content of Ti and that of Nb is 0.08% or more, the content of each of C, Si, and Al being within an appropriate range, the content of each of P, S, N, and O being adjusted to a predetermined value or less.

摘要翻译： 高强度焊接钢管在成形为截面形状后进行抗应力退火退火，具有优异的成型性和抗扭疲劳耐久性。 使用的钢材具有含有C，Si，Al，1.01〜1.99％的Mn，0.041〜0.150％的Ti，0.017〜0.150％的Nb，P，S，N和O的成分， Ti和Nb的含量为0.08％以上，C，Si和Al中的每一种的含量在适当范围内，P，S，N和O中的每一个的含量被调节至预定值，或 减。

公开(公告)号：US08296932B2

公开(公告)日：2012-10-30

申请号：US11992896

申请日：2006-11-09

申请人： Kazuhito Kenmochi ,  Takatoshi Okabe ,  Hiroyasu Yokoyama ,  Hiroyuki Shirosawa ,  Tetsuro Sawaki ,  Yuji Sugimoto ,  Tomohiro Inoue ,  Tatsuo Koide

发明人： Kazuhito Kenmochi ,  Takatoshi Okabe ,  Hiroyasu Yokoyama ,  Hiroyuki Shirosawa ,  Tetsuro Sawaki ,  Yuji Sugimoto ,  Tomohiro Inoue ,  Tatsuo Koide

IPC分类号： B23P19/00 ,  B21C37/08

CPC分类号： B23K33/006 ,  B21C37/083 ,  B23K11/062 ,  B23K2101/10 ,  Y10T29/49968 ,  Y10T29/53

摘要： Manufacturing equipment of electric resistance welding pipes having excellent characterization of welded seams, includes an apparatus that supplies a strip, an apparatus that reforms a shape, an apparatus that performs roll forming, an induction heater, and a contacting apparatus of strip edges by pressing, and having a finpass forming apparatus incorporating a fin having at least two stages of tapering in a middle portion of the roll forming, wherein tapering of the strip immediately before electric resistance welding is conducted such that an angle from a surface of a strip edge toward a vertical direction is in a range of 25 degrees to 50 degrees, and length of a perpendicular angle from a starting position to an end position of the tapering at one side is 20% to 45% of strip thickness, and by shaping the tapering with a fin, having at least two stages of tapering, incorporated in a finpass forming end stand.

摘要翻译： 具有优异的焊缝特性的电阻焊管的制造设备包括提供带材的装置，改造形状的装置，进行辊压成型的装置，感应加热器和带状边缘的接触装置， 并且具有翅片形成装置，其包括在辊成形的中间部分中具有至少两个渐缩阶段的翅片，其中在进行电阻焊接之前使钢带逐渐变细，使得从带材边缘的表面朝向 垂直方向在25度至50度的范围内，并且从一端的锥形的起始位置到终端位置的垂直角的长度为带厚度的20％至45％，并且通过使用 翅片，具有至少两个渐缩阶段，并入翅片形成端支架中。

公开(公告)号：US20090277544A1

公开(公告)日：2009-11-12

申请号：US12307439

申请日：2007-06-19

申请人： Shunsuke Toyoda ,  Masatoshi Aratani ,  Yoshikazu Kawabata ,  Yuji Hashimoto ,  Koji Suzuki ,  Kei Sakata ,  Makio Gunji ,  Akio Sato ,  Tetsuro Sawaki

发明人： Shunsuke Toyoda ,  Masatoshi Aratani ,  Yoshikazu Kawabata ,  Yuji Hashimoto ,  Koji Suzuki ,  Kei Sakata ,  Makio Gunji ,  Akio Sato ,  Tetsuro Sawaki

IPC分类号： C21D9/08 ,  C22C38/02 ,  C22C38/26

CPC分类号： B21C37/08 ,  C21D1/26 ,  C21D8/02 ,  C21D8/0226 ,  C21D8/0263 ,  C21D9/08 ,  C21D2211/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14

摘要： A high-tensile strength welded steel tube has excellent formability and torsional fatigue endurance after being formed into cross-sectional shape and then stress-relief annealed. A steel material used has a composition which contains C, Si, Al, 1.01% to 1.99% Mn, 0.041% to 0.150% Ti, 0.017% to 0.150% Nb, P, S, N, and O such that the sum of the content of Ti and that of Nb is 0.08% or more, the content of each of C, Si, and Al being within an appropriate range, the content of each of P, S, N, and O being adjusted to a predetermined value or less.

摘要翻译： 高强度焊接钢管在成形为截面形状后进行抗应力退火退火，具有优异的成型性和抗扭疲劳耐久性。 使用的钢材具有含有C，Si，Al，1.01〜1.99％的Mn，0.041〜0.150％的Ti，0.017〜0.150％的Nb，P，S，N，和O的组成， Ti和Nb的含量为0.08％以上，C，Si和Al中的每一种的含量在适当范围内，P，S，N和O中的每一个的含量被调节至预定值，或 减。