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1. 发明专利

DE60131935D1 未知
公开(公告)号：DE60131935D1
公开(公告)日：2008-01-31
申请号：DE60131935
申请日：2001-08-09
申请人： MITSUBISHI HEAVY IND LTD
发明人： ISHIDE TAKASHI , HASHIMOTO YOSHIO , WATANABE MASAO , AKABA TAKASHI , FUJIE DAIJIRO
IPC分类号： B23K9/16 , B23K26/067 , B23K26/064 , B23K26/21 , B23K26/346
摘要： A coaxial laser beam machining head, and a laser beam machining apparatus having it are provided. The head is small in size, free from the risk of damaging optical instruments, and inexpensive. The head comprises a collimating lens array, a first reflecting mirror for dividing laser light into a first divisional laser beam and a second divisional laser beam, a second reflecting mirror for further reflecting the first divisional laser beam to form a space portion between both divisional laser beams, a focusing lens array for focusing both divisional laser beams onto a portion to be welded, and a GMA electrode disposed in the space portion coaxially with the laser beams; or comprises a collimating lens array, a first reflecting mirror for reflecting part of laser light to form a space portion in a body of the laser light, a second reflecting mirror for further reflecting the part of the laser light, a focusing lens array for focusing the body of the laser light and the part of the laser light onto a portion to be welded, and a GMA electrode disposed in the space portion coaxially with the body of the laser light.

2. 发明专利

DE60137010D1 未知
公开(公告)号：DE60137010D1
公开(公告)日：2009-01-29
申请号：DE60137010
申请日：2001-03-30
申请人： MITSUBISHI HEAVY IND LTD
发明人： AKABA TAKASHI , NAGASHIMA TADASHI , ISHIDE TAKASHI , TSUBOTA SYUHOU
IPC分类号： B23K26/00 , B23K26/064 , B23K26/067 , B23K26/21 , B23K26/346

3. 发明专利

DE69908745D1 未知
公开(公告)号：DE69908745D1
公开(公告)日：2003-07-17
申请号：DE69908745
申请日：1999-10-27
申请人： MITSUBISHI HEAVY IND LTD
发明人： NAGURA YASUMI , NAYAMA MICHISUKE , ISHIDE TAKASHI , HASHIMOTO YOSHIO , MICHISHITA YUKIO , OKIMURA KOJI , NAGASHIMA TADASHI , WATANABE MASAO , AKABA TAKASHI , SHIMIZU KATSUSUKE
IPC分类号： B23K26/064 , B23K26/067 , B23K26/142 , B23K26/16 , B23K26/38 , B23K26/06 , B23K26/14

4. 发明专利

DE69908745T2 未知
公开(公告)号：DE69908745T2
公开(公告)日：2004-04-22
申请号：DE69908745
申请日：1999-10-27
申请人： MITSUBISHI HEAVY IND LTD
发明人： NAGURA YASUMI , NAYAMA MICHISUKE , ISHIDE TAKASHI , HASHIMOTO YOSHIO , MICHISHITA YUKIO , OKIMURA KOJI , NAGASHIMA TADASHI , WATANABE MASAO , AKABA TAKASHI , SHIMIZU KATSUSUKE
IPC分类号： B23K26/064 , B23K26/067 , B23K26/142 , B23K26/16 , B23K26/38 , B23K26/06 , B23K26/14

5. 发明专利

DE69033313T2 未知
公开(公告)号：DE69033313T2
公开(公告)日：2000-04-13
申请号：DE69033313
申请日：1990-07-30
申请人： MITSUBISHI HEAVY IND LTD
发明人： HAMADA SHOICHI , SHIRASU ISAO , NAGASHIMA TADASHI , AKABA TAKASHI , KURI SHUHEI , KIDERA TAKUYA , NAGURA YASUMI , KAWAGUCHI SEIICHI , ISHIDE TAKASHI , HASHIMOTO YOSHIO
IPC分类号： B23K26/064 , B23K26/10 , B23K26/28 , B23K37/02 , G02B5/08 , G02B5/28 , B23K26/00

6. 发明公开

EP1772526A4 DEVICE FOR IMPROVING RESIDUAL STRESS OF PIPING 有权
标题翻译：装置用于改善管道的REST供应
公开(公告)号：EP1772526A4
公开(公告)日：2011-07-27
申请号：EP05767220
申请日：2005-07-28
申请人： MITSUBISHI HEAVY IND LTD
发明人： AKABA TAKASHI , TSUBOTA SHUHO , NISHIKAWA KENJI , SUGIMOTO NORIAKI , KUSHIMOTO SHOJI , ISHIDE TAKASHI , OHTA TAKAHIRO
IPC分类号： C21D9/08 , B23K26/00 , B23K31/00 , C21D1/34 , C21D9/50
CPC分类号： B23K26/0066 , B23K26/067 , B23K26/0676 , B23K26/0869 , B23K26/103 , B23K2201/06 , B23K2201/10

7. 发明公开

EP1199128A4 LASER MACHINING APPARATUS 有权
标题翻译： LASERBEARBEITUNGSVORRICHTUNG
公开(公告)号：EP1199128A4
公开(公告)日：2007-06-20
申请号：EP01917689
申请日：2001-03-30
申请人： MITSUBISHI HEAVY IND LTD
发明人： AKABA TAKASHI , NAGASHIMA TADASHI , ISHIDE TAKASHI , TSUBOTA SYUHOU
IPC分类号： B23K26/00 , B23K26/06 , B23K26/067 , B23K26/08 , B23K26/14 , B23K26/20
CPC分类号： B23K26/0608 , B23K26/0604 , B23K26/067 , B23K26/08 , B23K26/082 , B23K26/1429
摘要： Oscillation of a laser oscillator is so controlled that arc discharge from a GMA electrode is caused after start of the oscillation of a laser beam (T2=T1+ΔT5) or simultaneously with the start (ΔT5=0) and that the oscillation is stopped after the arc discharge from the GMA electrode is stopped (T4= T3+ΔT6) or simultaneously with the stop(ΔT6=0). A coaxial laser machining head is so constituted that a GMA electrode (33) is arranged coaxially with first and second split laser beams (24b, 24c) in a spatial region (24d) of the first and second split beams (24b, 24c) split by first and second reflecting mirror (27, 28). Alternatively, the GMA electrode (33) is arranged coaxially with a laser beam (24f) in a spatial region (24g) defined in the laser beam (24f) by talking out a part (24e) of the laser beam by first and a second reflecting mirrors (87, 88).
摘要翻译：激光振荡器的振荡被如此控制，使得在激光束的振荡开始之后（T2 = T1 +ΔT5）或者与开始时同时（ΔT5= 0）引起GMA电极的电弧放电，并且在振荡停止之后停止GMA电极的电弧放电（T4 = T3 +ΔT6）或停止（ΔT6= 0）。同轴激光加工头是这样构成的，即GMA电极（33）与第一和第二分裂激光束（24b，24c）同轴地布置在第一和第二分裂光束（24b，24c）的空间区域（24d）中通过第一和第二反射镜（27,28）。或者，GMA电极（33）与激光束（24f）同轴地布置在激光束（24f）中限定的空间区域（24g）中，通过将激光束的一部分（24e）通过第一和第二反射镜（87,88）。

8. 发明专利

DE60142127D1 Laserbearbeitungsvorrichtung 未知
公开(公告)号：DE60142127D1
公开(公告)日：2010-06-24
申请号：DE60142127
申请日：2001-03-30
申请人： MITSUBISHI HEAVY IND LTD
发明人： AKABA TAKASHI , NAGASHIMA TADASHI , ISHIDE TAKASHI , TSUBOTA SYUHOU
IPC分类号： B23K26/00 , B23K26/067 , B23K26/064 , B23K26/21 , B23K26/346

9. 发明专利

DE60131935T2 未知
公开(公告)号：DE60131935T2
公开(公告)日：2008-12-18
申请号：DE60131935
申请日：2001-08-09
申请人： MITSUBISHI HEAVY IND LTD
发明人： ISHIDE TAKASHI , HASHIMOTO YOSHIO , WATANABE MASAO , AKABA TAKASHI , FUJIE DAIJIRO
IPC分类号： B23K9/16 , B23K26/067 , B23K26/064 , B23K26/21 , B23K26/346
摘要： A coaxial laser beam machining head, and a laser beam machining apparatus having it are provided. The head is small in size, free from the risk of damaging optical instruments, and inexpensive. The head comprises a collimating lens array, a first reflecting mirror for dividing laser light into a first divisional laser beam and a second divisional laser beam, a second reflecting mirror for further reflecting the first divisional laser beam to form a space portion between both divisional laser beams, a focusing lens array for focusing both divisional laser beams onto a portion to be welded, and a GMA electrode disposed in the space portion coaxially with the laser beams; or comprises a collimating lens array, a first reflecting mirror for reflecting part of laser light to form a space portion in a body of the laser light, a second reflecting mirror for further reflecting the part of the laser light, a focusing lens array for focusing the body of the laser light and the part of the laser light onto a portion to be welded, and a GMA electrode disposed in the space portion coaxially with the body of the laser light.

10. 发明专利

DE60130423T2 未知
公开(公告)号：DE60130423T2
公开(公告)日：2008-06-12
申请号：DE60130423
申请日：2001-04-16
申请人： MITSUBISHI HEAVY IND LTD
发明人： MIZUI JYUNICHI , MIKI SUSUMU , KATO MASAHIRO , AKABA TAKASHI
IPC分类号： H01S3/06 , H01S3/0941 , H01S3/00 , H01S3/08 , H01S3/093 , H01S3/094
摘要： Laser light emitted from an LD apparatus is concentrated and applied onto a laser light path region A of a slab-shaped YAG crystal 21 and the neighborhood thereof with the use of a concave lens and a pair of reflecting mirrors, a duct lens, or a plurality of cylindrical lenses, whereby a concentrated applied light intensity distribution in the side surface width direction (y-axis direction) of the slab-shaped YAG crystal is formed as a double-peak distribution having maximum values P1 and P2 at opposite end portions A1 and A2 of the laser light path region of the slab-shaped YAG crystal or in the neighborhoods thereof.

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