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1. 发明申请

US20100232678A1 SYSTEM AND METHOD FOR MONITORING OF WELDING STATE 有权
标题翻译：焊接状态监测系统及方法
公开(公告)号：US20100232678A1
公开(公告)日：2010-09-16
申请号：US12734413
申请日：2008-10-31
申请人： Noboru Hasegawa , Hideki Hamatani , Michimasa Mukai , Kazuto Yamamoto , Takashi Miyakawa
发明人： Noboru Hasegawa , Hideki Hamatani , Michimasa Mukai , Kazuto Yamamoto , Takashi Miyakawa
IPC分类号： G06K9/00
CPC分类号： G01J5/10 , B21C37/08 , B21C51/00 , B23K11/0873 , B23K11/25 , B23K31/125 , B23K2101/06 , B23K2103/04 , G01J5/0018 , G01J5/004
摘要： A system and method for monitoring the molten state for enabling a molten state, butting state, or other state of electric-resistance-welded pipe on-line more accurately than in the past are provided. That is, a mirror 23 provided at a front end side inside a container 21 receives light emitted by the welded parts 5 of the tube-shaped steel strip 1 themselves through heat resistant glass 22 from the side direction and reflects the image of the welded parts 5 of the tube-shaped steel strip 1 in the direction of a relay lens 24 provided at a base end side of a relay lens unit 13. The relay lenses 24 relay the image of the welded parts 5 of the tube-shaped steel strip 1 to a conversion lens 12, then the conversion lens 12 forms that image on the imaging area of a CCD camera 11. Therefore, it is possible to capture the welded parts 5 of the tube-shaped steel strip 1 from the side direction by a resolution in accordance with the resolution of the CCD camera 11 and possible to obtain information of the welded parts 5 of the tube-shaped steel strip 1 more accurately than in the past and on-line.
摘要翻译：提供了一种用于比以往更准确地监测熔融状态以实现熔融状态，对接状态或其他状态的电阻焊管在线的系统和方法。也就是说，设置在容器21内的前端侧的反射镜23通过耐热玻璃22从侧方接收管状钢带1的自身的焊接部5发出的光，并且反射焊接部的图像管状钢带1沿着设置在中继透镜单元13的基端侧的中继透镜24的方向延伸。中继透镜24将管状钢带1的焊接部5的图像中继转换透镜12，则转换透镜12在CCD照相机11的成像区域上形成该图像。因此，可以从侧面方向以分辨率捕获管状钢带1的焊接部分5 根据CCD摄像机11的分辨率，可以比过去和在线更准确地获得管状钢带1的焊接部分5的信息。

2. 发明授权

US08406504B2 System and method for monitoring of welding state 有权
标题翻译：焊接状态监测系统及方法
公开(公告)号：US08406504B2
公开(公告)日：2013-03-26
申请号：US12734413
申请日：2008-10-31
申请人： Noboru Hasegawa , Hideki Hamatani , Michimasa Mukai , Kazuto Yamamoto , Takashi Miyakawa
发明人： Noboru Hasegawa , Hideki Hamatani , Michimasa Mukai , Kazuto Yamamoto , Takashi Miyakawa
IPC分类号： G06K9/00
CPC分类号： G01J5/10 , B21C37/08 , B21C51/00 , B23K11/0873 , B23K11/25 , B23K31/125 , B23K2101/06 , B23K2103/04 , G01J5/0018 , G01J5/004
摘要： The invention provides a system and method for monitoring the molten state of electric-resistance-welded pipe on-line. In the system, a mirror provided at a front end side inside a container receives light emitted by the welded parts of the tube-shaped steel strip through heat resistant glass from the side direction and reflects the image in the direction of a relay lens provided at a base end side of a relay lens unit. The relay lenses relay the image to a conversion lens, which forms the image on the imaging area of a CCD camera. Therefore, it is possible to capture the welded parts from the side direction by a resolution in accordance with the resolution of the CCD camera and possible to obtain information of the welded parts more accurately than in the past and on-line.
摘要翻译：本发明提供了一种在线监测电阻焊管的熔融状态的系统和方法。在该系统中，设置在容器内的前端侧的反射镜通过耐热玻璃从侧面接收由管状钢带的焊接部分发射的光，并将图像沿设置在中继透镜单元的基端侧。中继透镜将图像中继到转换镜头，其在CCD照相机的成像区域上形成图像。因此，可以根据CCD摄像机的分辨率从侧向捕获焊接部件，并且可以比过去和在线更精确地获得焊接部件的信息。

3. 发明授权

US09050681B2 Method of production of electric resistance welded steel pipe and high Si or high Cr electric resistance welded steel pipe 有权
标题翻译：电阻焊钢管和高Si或高Cr电阻焊钢管的生产方法
公开(公告)号：US09050681B2
公开(公告)日：2015-06-09
申请号：US12449812
申请日：2008-02-29
申请人： Hideki Hamatani , Shinji Kodama , Nobuo Mizuhashi , Sunao Takeuchi , Tomohiro Nakaji , Takashi Miyakawa , Hitoshi Asahi , Michitoshi Tanimoto , Michimasa Mukai
发明人： Hideki Hamatani , Shinji Kodama , Nobuo Mizuhashi , Sunao Takeuchi , Tomohiro Nakaji , Takashi Miyakawa , Hitoshi Asahi , Michitoshi Tanimoto , Michimasa Mukai
IPC分类号： B23K10/00 , B23K13/00 , B23K13/06
CPC分类号： B23K13/00 , B23K10/00 , B23K11/0873 , B23K11/16 , B23K11/34 , B23K11/36 , B23K13/06 , B23K28/02 , B23K2101/06 , B23K2101/10 , B23K2101/18 , B23K2103/04 , Y10T428/12292
摘要： The present invention provides a method of production of electric resistance welded steel pipe able to stably reduce weld defects due to oxides by firing plasma and furthermore able to reduce plasma jet noise and comprises shaping steel plate 1 into a tube and electric resistance welding the abutting end faces 4 during which blowing on at least the abutting end faces 4a in the region 6 at the welding upstream side from the weld point 9 where the temperature becomes 650° C. or more a reducing high temperature (pseudo) laminar plasma obtained by applying voltage to a reducing gas containing H2 gas: 2 to 50 vol % to which is added a balance of Ar gas alone or a mixed gas of Ar gas to which N2 gas, He gas, or both are added. At that time, it is preferable to make the applied voltage over 120V and the make the plasma blowing conditions satisfy the following formula (1). 150
摘要翻译：本发明提供一种电阻焊钢管的制造方法，其能够通过点火等离子体稳定地减少由于氧化物引起的焊接缺陷，并且还能够降低等离子体射流噪声，并且包括将钢板1成形为管，并且将邻接端至少在熔点为熔点高于650℃的焊接点的焊接上游侧的区域6中的至少碰撞端面4a或更多的是通过施加电压而获得的还原高温（伪）层流等离子体涉及含有H2气体的还原气体：2〜50体积％，添加余量的Ar气体或添加有N 2气体，He气体或二者的Ar气体的混合气体。此时，优选使施加电压超过120V，使等离子体吹送条件满足下式（1）。 150 <4×（ΣG iM i）＆pgr; ×D×μava，T = 7000 <400 <1>

4. 发明申请

US20100104888A1 METHOD OF PRODUCTION OF ELECTRIC RESISTANCE WELDED STEEL PIPE AND HIGH SI OR HIGH CR ELECTRIC RESISTANCE WELDED STEEL PIPE 有权
标题翻译：电阻焊钢管和高SI或高耐火电阻焊接钢管的生产方法
公开(公告)号：US20100104888A1
公开(公告)日：2010-04-29
申请号：US12449812
申请日：2008-02-29
申请人： Hideki Hamatani , Shinji Kodama , Nobuo Mizuhashi , Sunao Takeuchi , Tomohiro Nakaji , Takashi Miyakawa , Hitoshi Asahi , Michitoshi Tanimoto , Michimasa Mukai
发明人： Hideki Hamatani , Shinji Kodama , Nobuo Mizuhashi , Sunao Takeuchi , Tomohiro Nakaji , Takashi Miyakawa , Hitoshi Asahi , Michitoshi Tanimoto , Michimasa Mukai
IPC分类号： B32B1/08 , B23K11/08 , B23K31/02
CPC分类号： B23K13/00 , B23K10/00 , B23K11/0873 , B23K11/16 , B23K11/34 , B23K11/36 , B23K13/06 , B23K28/02 , B23K2101/06 , B23K2101/10 , B23K2101/18 , B23K2103/04 , Y10T428/12292
摘要： The present invention provides a method of production of electric resistance welded steel pipe able to stably reduce weld defects due to oxides by firing plasma and furthermore able to reduce plasma jet noise and comprises shaping steel plate 1 into a tube and electric resistance welding the abutting end faces 4 during which blowing on at least the abutting end faces 4a in the region 6 at the welding upstream side from the weld point 9 where the temperature becomes 650° C. or more a reducing high temperature (pseudo) laminar plasma obtained by applying voltage to a reducing gas containing H2 gas: 2 to 50 vol % to which is added a balance of Ar gas alone or a mixed gas of Ar gas to which N2 gas, He gas, or both are added. At that time, it is preferable to make the applied voltage over 120V and the make the plasma blowing conditions satisfy the following formula (1). 150
摘要翻译：本发明提供一种电阻焊钢管的制造方法，其能够通过点火等离子体稳定地减少由于氧化物引起的焊接缺陷，并且还能够降低等离子体射流噪声，并且包括将钢板1成形为管，并且将邻接端至少在熔点为熔点高于650℃的焊接点的焊接上游侧的区域6中的至少碰撞端面4a或更多的是通过施加电压而获得的还原高温（伪）层流等离子体涉及含有H2气体的还原气体：2〜50体积％，添加余量的Ar气体或添加有N 2气体，He气体或二者的Ar气体的混合气体。此时，优选使施加电压超过120V，使等离子体吹送条件满足下式（1）。 150 <4×（ΣG i M i）＆pgr; ×D×μava，T = 7000 <400 <1>

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