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1. 发明授权

US08604382B2 Method for manufacturing a laser welded steel pipe 有权
标题翻译：激光焊接钢管制造方法
公开(公告)号：US08604382B2
公开(公告)日：2013-12-10
申请号：US12999001
申请日：2009-06-22
申请人： Koji Yano , Kenji Oi , Masahito Suzuki , Toshifumi Kodama , Shigeto Sakashita
发明人： Koji Yano , Kenji Oi , Masahito Suzuki , Toshifumi Kodama , Shigeto Sakashita
IPC分类号： B23K26/00
CPC分类号： B23K26/262 , B23K26/03 , B23K26/032 , B23K26/348 , B23K2101/06 , B23K2101/10 , B23K2103/04
摘要： There is provided a method for manufacturing a laser welded steel pipe in which the status of laser welding is accurately assessed, and the assessment is used to modify welding conditions, so that laser welded steel pipes can be manufactured at a high yield rate and in a stable manner. Irradiation point(s) of laser beam(s), with which the longitudinal edges are irradiated from the side of the outer surface, are monitored from the side of the inner surface of an open pipe, and then conditions of welding with the laser beam(s) are assessed to be kept unchanged if any keyhole is found penetrating out of the inner surface of the open pipe, or modified if no keyhole is found penetrating out of the inner surface of the open pipe.
摘要翻译：提供了一种制造激光焊接钢管的方法，其中准确地评估了激光焊接的状态，并且使用该评估来改变焊接条件，使得可以以高产率制造激光焊接钢管稳定的方式。从外表面的侧面照射纵向边缘的激光束的照射点从开放管的内表面侧监测，然后用激光束进行焊接条件如果发现任何钥匙孔从开口管的内表面渗透出来，则被评估为保持不变，或者如果没有发现钥匙孔渗透到开放管的内表面，则被修改。

2. 发明申请

US20110100965A1 METHOD FOR MANUFACTURING A LASER WELDED STEEL PIPE 有权
标题翻译：用于制造激光焊接钢管的方法
公开(公告)号：US20110100965A1
公开(公告)日：2011-05-05
申请号：US12999001
申请日：2009-06-22
申请人： Koji Yano , Kenji Oi , Masahito Suzuki , Toshifumi Kodama , Shigeto Sakashita
发明人： Koji Yano , Kenji Oi , Masahito Suzuki , Toshifumi Kodama , Shigeto Sakashita
IPC分类号： B23K26/00
CPC分类号： B23K26/262 , B23K26/03 , B23K26/032 , B23K26/348 , B23K2101/06 , B23K2101/10 , B23K2103/04
摘要： There is provided a method for manufacturing a laser welded steel pipe in which the status of laser welding is accurately assessed, and the assessment is used to modify welding conditions, so that laser welded steel pipes can be manufactured at a high yield rate and in a stable manner. Irradiation point(s) of laser beam(s), with which the longitudinal edges are irradiated from the side of the outer surface, are monitored from the side of the inner surface of an open pipe, and then conditions of welding with the laser beam(s) are assessed to be kept unchanged if any keyhole is found penetrating out of the inner surface of the open pipe, or modified if no keyhole is found penetrating out of the inner surface of the open pipe.
摘要翻译：提供了一种制造激光焊接钢管的方法，其中准确地评估了激光焊接的状态，并且使用该评估来改变焊接条件，使得可以以高产率制造激光焊接钢管稳定的方式。从外表面的侧面照射纵向边缘的激光束的照射点从开放管的内表面的侧面监测，然后用激光束进行焊接条件如果发现任何钥匙孔从开口管的内表面渗透出来，则被评估为保持不变，或者如果没有发现钥匙孔渗透到开放管的内表面，则被修改。

3. 发明授权

US09492888B2 Welding position detecting apparatus and welding position detecting method for laser beam welding 有权
标题翻译：焊接位置检测装置及焊接位置检测方法
公开(公告)号：US09492888B2
公开(公告)日：2016-11-15
申请号：US14364146
申请日：2012-12-07
申请人： Toshifumi Kodama , Koji Yano , Masahito Suzuki
发明人： Toshifumi Kodama , Koji Yano , Masahito Suzuki
IPC分类号： B23K26/02 , B23K26/03 , B23K26/20 , G06T7/20
CPC分类号： B23K26/032 , B23K26/042 , B23K26/044 , B23K26/262 , B23K2101/06 , B23K2103/04 , G06T7/269 , G06T2207/10016 , G06T2207/10048 , G06T2207/30136 , G06T2207/30152
摘要： A welding position detecting apparatus for laser beam welding includes: an imaging device that captures, at a predetermined time interval, images of an irradiated portion of a welding material irradiated with a welding laser beam, and a surrounding area thereof, of a welding material; an image processing device that identifies a position of the irradiated portion irradiated with the welding laser beam by performing image processing calculating, from two or more images acquired by the imaging device, a direction and an amount of parallel movement of points in the images; and a display device that displays the position of the irradiated portion irradiated with the welding laser beam, the position being identified by the image processing device.
摘要翻译：一种用于激光束焊接的焊接位置检测装置，包括：成像装置，以预定的时间间隔拍摄焊接材料照射的焊接材料的照射部分及其周围区域的图像; 图像处理装置，通过从所述摄像装置获取的两张以上的图像中进行图像处理计算，识别图像中的点的平行移动的方向和量的图像处理装置，其识别用所述焊接激光束照射的照射部的位置; 以及显示装置，其显示用焊接激光束照射的照射部分的位置，该位置由图像处理装置识别。

4. 发明申请

US20080105731A1 Measurement method and device for bead cutting shape in electric resistance welded pipes 有权
标题翻译：电阻焊管中焊道切割形状的测量方法和装置
公开(公告)号：US20080105731A1
公开(公告)日：2008-05-08
申请号：US11802133
申请日：2007-05-21
申请人： Toshifumi Kodama , Taira Suzuki , Akira Torao , Yasumasa Tekemura , Takatoshi Okabe
发明人： Toshifumi Kodama , Taira Suzuki , Akira Torao , Yasumasa Tekemura , Takatoshi Okabe
IPC分类号： G01B5/02 , B23K26/24
CPC分类号： B23K11/252 , B21C37/0811 , B21C51/00 , G01B11/24
摘要： To precisely measure bead cutting shapes of electric resistance welded pipes without being affected by difference in luminance level between cut and uncut portions in optical cutting images, an image is obtained by overlaying an optical cutting image with the optical cutting image subjected to thinning processing. A profile of the welded pipe is approximated with a quadratic function and a region containing the bead apex coordinates is identified as the bead. Shape data of the pipe surface at the portion corresponding to the bead portion is obtained from the preset left and right boundaries of the bead portion and the apex position of the separately-calculated bead portion, and bead width, height, slope angle, and unevenness at the left and right boundaries between the bead portion and base pipe portion, are each calculated, based on the left and right bead shape approximation functions and base pipe shape approximation function.
摘要翻译：为了精确地测量电阻焊管的焊道切割形状，不受光学切割图像中的切割部分和未切割部分之间的亮度水平差的影响，通过用经过稀化处理的光学切割图像重叠光学切割图像来获得图像。焊接管的轮廓用二次函数近似，并且将包含胎圈三角坐标的区域识别为胎圈。从胎圈部的预设左右边界和分开计算出的胎圈部的顶点位置，胎圈宽度，高度，倾斜角度和不平坦部分获得与胎圈部对应的部分处的管表面的形状数据基于左，右珠形近似函数和基管形状近似函数，分别计算胎圈部和基管部之间的左右边界。

5. 发明申请

US20080218768A1 MEASUREMENT METHOD AND DEVICE FOR BEAD CUTTING SHAPE IN ELECTRIC RESISTANCE WELDED PIPES 有权
标题翻译：用于电阻焊管中的珠切割形状的测量方法和装置
公开(公告)号：US20080218768A1
公开(公告)日：2008-09-11
申请号：US12113440
申请日：2008-05-01
申请人： Toshifumi Kodama , Taira Suzuki , Akira Torao , Yasumasa Tekemura , Takatoshi Okabe
发明人： Toshifumi Kodama , Taira Suzuki , Akira Torao , Yasumasa Tekemura , Takatoshi Okabe
IPC分类号： G01B11/24
CPC分类号： B23K11/252 , B21C37/0811 , B21C51/00 , G01B11/24
摘要： To precisely measure bead cutting shapes of electric resistance welded pipes without being affected by difference in luminance level between cut and uncut portions in optical cutting images, an image is obtained by overlaying an optical cutting image with the optical cutting image subjected to thinning processing. A profile of the welded pipe is approximated with a quadratic function and a region containing the bead apex coordinates is identified as the bead. Shape data of the pipe surface at the portion corresponding to the bead portion is obtained from the preset left and right boundaries of the bead portion and the apex position of the separately-calculated bead portion, and bead width, height, slope angle, and unevenness at the left and right boundaries between the bead portion and base pipe portion, are each calculated, based on the left and right bead shape approximation functions and base pipe shape approximation function.
摘要翻译：为了精确地测量电阻焊管的焊道切割形状，不受光学切割图像中的切割部分和未切割部分之间的亮度水平差的影响，通过用经过稀化处理的光学切割图像重叠光学切割图像来获得图像。焊接管的轮廓用二次函数近似，并且将包含胎圈三角坐标的区域识别为胎圈。从胎圈部的预设左右边界和分开计算出的胎圈部的顶点位置，胎圈宽度，高度，倾斜角度和不平坦部分获得与胎圈部对应的部分处的管表面的形状数据基于左，右珠形近似函数和基管形状近似函数，分别计算胎圈部和基管部之间的左右边界。

6. 发明授权

US06463775B1 Method and apparatus for detecting chattering in cold rolling mill 失效
标题翻译：用于检测冷轧机颤振的方法和装置
公开(公告)号：US06463775B1
公开(公告)日：2002-10-15
申请号：US09720306
申请日：2000-12-26
申请人： Toshifumi Kodama , Akira Torao
发明人： Toshifumi Kodama , Akira Torao
IPC分类号： B21B3758
CPC分类号： B21B38/008
摘要： The present invention relates to a method for detecting chattering of a cold rolling mill rapidly and accurately, which occurs during cold rolling of a steel strips. The occurrence of the chattering is detected by a plurality of acoustic parameters derived from a sound measured in the vicinity of the cold rolling mill during the rolling. The acoustic parameters are the frequency range characteristic of the occurrence of the chattering, the acoustic intensities in the frequency bands which are n-th harmonics, the peak frequency of the acoustic frequency component distribution, the resonance factor, the peak intensity, and the like. A plurality of parameters may be provided by measuring and calculating the same parameter with different timing.
摘要翻译：本发明涉及一种在钢带的冷轧过程中快速准确地检测冷轧机的颤振的方法。通过在轧制期间在冷轧机附近测量的声音导出的多个声学参数来检测抖动的发生。声学参数是振动发生的频率范围特性，作为n次谐波的频带中的声强，声频分量分布的峰值频率，共振因子，峰值强度等。可以通过以不同的定时测量和计算相同的参数来提供多个参数。

7. 发明申请

US20130286406A1 OVEN WALL SHAPE MEASURING APPARATUS, OVEN WALL SHAPE MEASURING SYSTEM, AND OVEN WALL SHAPE MEASURING METHOD 有权
标题翻译：烤箱形状测量装置，烤箱形状测量系统和烤箱形状测量方法
公开(公告)号：US20130286406A1
公开(公告)日：2013-10-31
申请号：US13997987
申请日：2011-12-19
申请人： Naoshi Yamahira , Toshifumi Kodama
发明人： Naoshi Yamahira , Toshifumi Kodama
IPC分类号： G01B11/24
CPC分类号： G01B11/24 , C10B45/00 , F27D21/0021 , G01B11/2518 , G01N21/954
摘要： An oven wall shape measuring apparatus includes: a slit laser light source that is arranged in a thermally-insulated protection box having a slit-like window and emits slit-like laser light; a laser light mirror that reflects the laser light and irradiates an oven wall surface with the laser light via the window; an imaging mirror that reflects reflected light due to irradiation of the laser light and self-emitting light emitted from the oven wall surface, the reflected light and the self-emitting light entering the thermally-insulated protection box via the window; and an imaging device that images, via an optical filter, the self-emitting light and the reflected light that are reflected from the imaging mirror.
摘要翻译：炉壁形状测量装置包括：狭缝激光光源，其设置在具有狭缝状窗口并发射狭缝状激光的绝热保护箱中; 激光反射镜，其反射激光并通过窗口用激光照射炉壁表面; 反射光和自发光通过窗口进入绝热保护盒的成像反射镜，其反射由激光照射的反射光和从炉壁表面发射的自发光，反射光和自发光; 以及通过光学滤波器对从成像反射镜反射的自发光和反射光进行成像的成像装置。

8. 发明授权

US07236255B2 Method and instrument for measuring bead cutting shape of electric welded tube 有权
标题翻译：电焊管胎圈切割形状测量方法及仪器
公开(公告)号：US07236255B2
公开(公告)日：2007-06-26
申请号：US10507350
申请日：2003-04-23
申请人： Toshifumi Kodama , Taira Suzuki , Akira Torao , Yasumasa Tekemura , Takatoshi Okabe
发明人： Toshifumi Kodama , Taira Suzuki , Akira Torao , Yasumasa Tekemura , Takatoshi Okabe
IPC分类号： G01B5/24 , B23K26/26
CPC分类号： B23K11/252 , B21C37/0811 , B21C51/00 , G01B11/24
摘要： To precisely measure bead cutting shapes of electric resistance welded pipes without being affected by difference in luminance level between cut and uncut portions in optical cutting images, an image is obtained by overlaying an optical cutting image with the optical cutting image subjected to thinning processing. A profile of the welded pipe is approximated with a quadratic function and a region containing the bead apex coordinates is identified as the bead. Shape data of the pipe surface at the portion corresponding to the bead portion is obtained from the preset left and right boundaries of the bead portion and the apex position of the separately-calculated bead portion, and bead width, height, slope angle, and unevenness at the left and right boundaries between the bead portion and base pipe portion, are each calculated, based on the left and right bead shape approximation functions and base pipe shape approximation function.
摘要翻译：为了精确地测量电阻焊管的焊道切割形状，不受光学切割图像中的切割部分和未切割部分之间的亮度水平差的影响，通过用经过稀化处理的光学切割图像重叠光学切割图像来获得图像。焊接管的轮廓用二次函数近似，并且将包含胎圈三角坐标的区域识别为胎圈。从胎圈部的预设左右边界和分开计算出的胎圈部的顶点位置，胎圈宽度，高度，倾斜角度和不平坦部分获得与胎圈部对应的部分处的管表面的形状数据基于左，右珠形近似函数和基管形状近似函数，分别计算胎圈部和基管部之间的左右边界。

9. 发明授权

US09638516B2 Oven wall shape measuring apparatus, oven wall shape measuring system, and oven wall shape measuring method 有权
公开(公告)号：US09638516B2
公开(公告)日：2017-05-02
申请号：US13997987
申请日：2011-12-19
申请人： Naoshi Yamahira , Toshifumi Kodama
发明人： Naoshi Yamahira , Toshifumi Kodama
IPC分类号： G01B11/24 , F27D21/00 , C10B45/00 , G01N21/954 , G01B11/25
CPC分类号： G01B11/24 , C10B45/00 , F27D21/0021 , G01B11/2518 , G01N21/954
摘要： An oven wall shape measuring apparatus includes: a slit laser light source that is arranged in a thermally-insulated protection box having a slit-like window and emits slit-like laser light; a laser light mirror that reflects the laser light and irradiates an oven wall surface with the laser light via the window; an imaging mirror that reflects reflected light due to irradiation of the laser light and self-emitting light emitted from the oven wall surface, the reflected light and the self-emitting light entering the thermally-insulated protection box via the window; and an imaging device that images, via an optical filter, the self-emitting light and the reflected light that are reflected from the imaging mirror.

10. 发明授权

US07619750B2 Measurement method and device for bead cutting shape in electric resistance welded pipes 有权
标题翻译：电阻焊管中焊道切割形状的测量方法和装置
公开(公告)号：US07619750B2
公开(公告)日：2009-11-17
申请号：US12113440
申请日：2008-05-01
申请人： Toshifumi Kodama , Taira Suzuki , Akira Torao , Yasumasa Tekemura , Takatoshi Okabe
发明人： Toshifumi Kodama , Taira Suzuki , Akira Torao , Yasumasa Tekemura , Takatoshi Okabe
IPC分类号： G01B5/24 , G23K26/26
CPC分类号： B23K11/252 , B21C37/0811 , B21C51/00 , G01B11/24
摘要： To precisely measure bead cutting shapes of electric resistance welded pipes without being affected by difference in luminance level between cut and uncut portions in optical cutting images, an image is obtained by overlaying an optical cutting image with the optical cutting image subjected to thinning processing. A profile of the welded pipe is approximated with a quadratic function and a region containing the bead apex coordinates is identified as the bead. Shape data of the pipe surface at the portion corresponding to the bead portion is obtained from the preset left and right boundaries of the bead portion and the apex position of the separately-calculated bead portion, and bead width, height, slope angle, and unevenness at the left and right boundaries between the bead portion and base pipe portion, are each calculated, based on the left and right bead shape approximation functions and base pipe shape approximation function.
摘要翻译：为了精确地测量电阻焊管的焊道切割形状，不受光学切割图像中的切割部分和未切割部分之间的亮度水平差的影响，通过用经过稀化处理的光学切割图像重叠光学切割图像来获得图像。焊接管的轮廓用二次函数近似，并且将包含胎圈三角坐标的区域识别为胎圈。从胎圈部的预设左右边界和分开计算出的胎圈部的顶点位置，胎圈宽度，高度，倾斜角度和不平坦部分获得与胎圈部对应的部分处的管表面的形状数据基于左，右珠形近似函数和基管形状近似函数，分别计算胎圈部和基管部之间的左右边界。

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