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1. 外观设计

USD652437S1 Plasma torch body 有权
标题翻译：等离子火炬机身
公开(公告)号：USD652437S1
公开(公告)日：2012-01-17
申请号：US29375810
申请日：2010-09-28
申请人： Akira Furujo , Masatoshi Motoyama , Ryuta Hirai , Kazuya Kashimata , Tetsuo Koike
设计人： Akira Furujo , Masatoshi Motoyama , Ryuta Hirai , Kazuya Kashimata , Tetsuo Koike

2. 外观设计

USD527401S1 Electrode for a plasma torch 失效
公开(公告)号：USD527401S1
公开(公告)日：2006-08-29
申请号：US29214159
申请日：2004-09-29
申请人： Seiji Mizuno , Akira Furujo
设计人： Seiji Mizuno , Akira Furujo

3. 发明授权

US06693256B2 Laser piercing method 失效
标题翻译：激光穿刺法
公开(公告)号：US06693256B2
公开(公告)日：2004-02-17
申请号：US10132144
申请日：2002-04-26
申请人： Akira Furujo , Hisahito Inagawa
发明人： Akira Furujo , Hisahito Inagawa
IPC分类号： B23K2614
CPC分类号： B23K26/0665 , B23K26/1436 , B23K26/1438 , B23K26/1476 , B23K26/382 , B23K26/40 , B23K2103/04 , B23K2103/50
摘要： It is an object of this invention to provide a laser piercing method capable of reducing the time required for piercing a workpiece and satisfactorily forming a pierced hole. This invention provides a laser piercing method, in which a piercing process is performed by setting the level of a nozzle 6 during piercing execution to a value higher than the level of the nozzle 6 during cutting execution, setting the pressure of the assist gas during piercing execution to a value higher than the pressure of the assist gas during cutting execution, and setting the level of a focal point O of the laser beam 1 during piercing execution lower than the level of a focal point O of the laser beam 1 during cutting execution and subsequent to the piercing process a cutting process for cutting a workpiece 5 is performed by setting the level of the nozzle 6, the pressure of the assist gas, and the level of the focal point O of the laser beam 1 to a value prescribed for cutting execution, respectively.
摘要翻译：本发明的目的是提供一种能够减少刺穿工件所需的时间并令人满意地形成穿孔的激光穿孔方法。本发明提供一种激光穿孔方法，其中通过在穿刺过程中将喷嘴6的水平设定为高于切割执行期间的喷嘴6的高度的值来进行穿刺处理，设定穿刺期间辅助气体的压力执行到切割执行期间比辅助气体的压力高的值，并且在切割执行期间将穿刺执行期间的激光束1的焦点O的水平设置为比切割执行期间的激光束1的焦点O的水平低并且在穿孔处理之后，通过将喷嘴6的水平，辅助气体的压力和激光束1的焦点O的水平设定为规定的值来执行用于切割工件5的切割处理分别执行切割。

4. 发明授权

US4803405A Plasma processing apparatus and method 失效
标题翻译：等离子体处理装置及方法
公开(公告)号：US4803405A
公开(公告)日：1989-02-07
申请号：US40565
申请日：1987-04-16
申请人： Etsuo Nakano , Akira Furujo , Tetsuya Iizuka
发明人： Etsuo Nakano , Akira Furujo , Tetsuya Iizuka
IPC分类号： B23K10/00 , B23K10/02 , H05H1/34 , H05H1/36 , B23K9/00
CPC分类号： H05H1/36 , H05H1/34 , H05H2001/3415 , H05H2001/3436
摘要： The present invention relates to a plasma processing apparatus capable of obtaining a satisfactory plasma arc and a processing method used by this plasma processing apparatus.The plasma processing apparatus is constructed to vary an electric current or a voltage during start up at a fixed period for a fixed time. The plasma processing apparatus has a plasma power source capable of controlling an electric current or a voltage applied to a plasma torch, and an electrode and a nozzle are communicated by means of an electrification in the plasma torch.In a method for performing a plasma process by a plasma processing apparatus, a mixing gas has a ratio of Hydrogen to Argon in a range from 5 to 20 Vol %, and a frequency of a plasma electric current is controlled in a range from 10 to 30 KHz.
摘要翻译：本发明涉及能够获得令人满意的等离子体电弧的等离子体处理装置和该等离子体处理装置使用的处理方法。等离子体处理装置被构造成在固定的时间段内在启动期间改变电流或电压。等离子体处理装置具有能够控制施加到等离子体焰炬的电流或电压的等离子体电源，并且电极和喷嘴通过等离子体焰炬中的带电连通。在通过等离子体处理装置进行等离子体处理的方法中，混合气体的氢与氩的比率为5〜20体积％，等离子体电流的频率控制在10〜 30 KHz。

5. 外观设计

USD702272S1 Outer nozzle for plasma torch 有权
标题翻译：等离子炬外喷嘴
公开(公告)号：USD702272S1
公开(公告)日：2014-04-08
申请号：US29429584
申请日：2012-08-14
申请人： Akira Furujo , Masatoshi Motoyama , Ryuta Hirai , Kazuya Kashimata , Tetsuo Koike
设计人： Akira Furujo , Masatoshi Motoyama , Ryuta Hirai , Kazuya Kashimata , Tetsuo Koike

6. 发明授权

US08598487B2 Plasma cutting method for cutting a carbon steel plate and for reducing fine particles 有权
标题翻译：用于切割碳钢板和减少细小颗粒的等离子切割方法
公开(公告)号：US08598487B2
公开(公告)日：2013-12-03
申请号：US12664918
申请日：2008-06-18
申请人： Akira Furujo , Masatoshi Motoyama , Nobuo Ito , Go Sasaki , Takayuki Takarada , Kayoko Morishita
发明人： Akira Furujo , Masatoshi Motoyama , Nobuo Ito , Go Sasaki , Takayuki Takarada , Kayoko Morishita
IPC分类号： B23K10/00
CPC分类号： B23K10/00 , B23K35/383
摘要： [PROBLEMS] To reduce the generation of fume in cutting a material to be cut typified by a steel plate with plasma.[MEANS FOR SOLVING PROBLEMS] A plasma cutting method comprising spraying a plasma arc directed through a material to be cut from a plasma torch nozzle to cut the cutting material, wherein a plasma arc formed by supplying a mixed gas as a plasma gas composed of a single gas or a plurality of gases selected from halogen gases and rare gases belonging to up to the second row elements of the periodic table and a hydrogen gas, and oxygen-, argon- or nitrogen-containing gas to a part around an electrode, and electrifying a part between the electrode and the nozzle or between the electrode and the cutting material is sprayed toward the cutting material to cut the cutting material, or wherein a single gas or a plurality of gases selected from halogen gases or rare gases belonging to up to the second row elements of the periodic table and a hydrogen gas, together with the plasma arc composed mainly of an oxygen, argon or nitrogen gas, is sprayed toward the cutting material to cut the cutting material.
摘要翻译： [问题]减少用等离子体钢板切割代替的待切割材料中的烟气的产生。解决问题的方法等离子体切割方法包括从等离子体喷枪喷射待切割材料的等离子体电弧以切割切割材料，其中通过供给作为等离子体气体的混合气体形成的等离子体电弧选自属于周期表的第二排元件的卤素气体和稀有气体的单一气体或多种气体和氢气，以及含氧，含氩或含氮气体到电极周围的部分，以及将电极和喷嘴之间或电极和切割材料之间的部分通电朝向切割材料喷射以切割切割材料，或者其中选自卤素气体或稀有气体中的单一气体或多种气体属于周期表的第二排元件和氢气以及主要由氧气，氩气或氮气组成的等离子弧被喷射到切割材料上以切割切割太棒了

7. 发明申请

US20100176096A1 Plasma Cutting Method And Plasma Cutting Apparatus 有权
标题翻译：等离子切割方法和等离子切割设备
公开(公告)号：US20100176096A1
公开(公告)日：2010-07-15
申请号：US12444673
申请日：2007-10-12
申请人： Tetsuo Koike , Akira Furujo , Ryuta Hirai
发明人： Tetsuo Koike , Akira Furujo , Ryuta Hirai
IPC分类号： B23K10/00
CPC分类号： B23K10/00 , B23K10/006 , B23K2101/18 , B23K2103/04
摘要： The present invention relates to a cutting method for cutting an upper edge and a lower edge of a cutting plane into a curved shape, when a cutting object is cut by supplying plasma gas to the periphery of an electrode of a plasma torch and ejecting plasma arc from a nozzle. In order to melt the upper edge and the lower edge of the cutting plane to form a curved shape, at least one condition selected from plural conditions including a cutting electric current, cutting speed, height of a plasma torch, angle of the plasma torch, and flow rate of plasma gas upon performing the vertical cutting for forming the upper edge and the lower edge of the cutting object substantially at right angles is changed.
摘要翻译：本发明涉及一种将切割平面的上边缘和下边缘切割成弯曲形状的切割方法，当通过向等离子体焰炬的电极的周边提供等离子体气体而切割切割物体并喷射等离子弧时从喷嘴。为了熔化切割平面的上边缘和下边缘以形成弯曲形状，从包括切割电流，切割速度，等离子体焰炬的高度，等离子体焰炬的角度，并且在执行用于基本上成直角地形成切割对象的上边缘和下边缘的垂直切割时等离子体气体的流量被改变。

8. 外观设计

USD519137S1 Nozzle for plasma torch 失效
公开(公告)号：USD519137S1
公开(公告)日：2006-04-18
申请号：US29214158
申请日：2004-09-29
申请人： Akira Furujo , Seiji Mizuno
设计人： Akira Furujo , Seiji Mizuno

9. 发明申请

US20060006154A1 Plasma torch life duration detecting device 审中-公开
标题翻译：等离子火炬寿命检测装置
公开(公告)号：US20060006154A1
公开(公告)日：2006-01-12
申请号：US11136154
申请日：2005-05-24
申请人： Tetsuo Koike , Akira Furujo
发明人： Tetsuo Koike , Akira Furujo
IPC分类号： B23K9/00
CPC分类号： H05H1/34 , H05H1/36 , H05H2001/3494
摘要： A plasma torch life duration detecting device according to the present invention aims at detecting a life duration of a plasma torch, detecting a life duration of a plasma torch in accordance with a requested processing precision, and detecting contact between a nozzle protection cover and a workpiece at a lower cost. The plasma torch is constructed in such a manner that a nozzle member 3 having an electrical conductivity is disposed outside of an electrode 2 to maintain electrical insulation against the electrode 2, and a nozzle protection cover 4 having an electrical conductivity is disposed outside of the nozzle member 3 to maintain electrical insulation against the nozzle member 3. The plasma torch life duration detecting device is provided with a voltmeter 7 disposed between the nozzle member 3 and the nozzle protection cover 4, for detecting a voltage between the nozzle member 3 and the nozzle protection cover 4. The life duration of the plasma torch (electrode 2, nozzle member 3, nozzle protection cover 4) is detected by use of the voltage detected by the voltmeter 7.
摘要翻译：根据本发明的等离子体焰炬寿命检测装置旨在检测等离子体焰炬的使用寿命，根据要求的加工精度检测等离子体焰炬的使用寿命，并检测喷嘴保护罩和工件之间的接触以较低的成本。等离子体焰炬构造成使得具有导电性的喷嘴构件3设置在电极2的外侧，以保持与电极2的电绝缘性，并且具有导电性的喷嘴保护盖4设置在喷嘴外侧构件3以保持对喷嘴构件3的电绝缘。等离子体焰炬寿命检测装置设置有设置在喷嘴构件3和喷嘴保护盖4之间的电压计7，用于检测喷嘴构件3和喷嘴保护罩4之间的电压。通过使用由电压表7检测的电压来检测等离子体焰炬的寿命（电极2，喷嘴构件3，喷嘴保护盖4）。

10. 发明申请

US20050082263A1 Nozzle for plasma torch 审中-公开
标题翻译：等离子火炬喷嘴
公开(公告)号：US20050082263A1
公开(公告)日：2005-04-21
申请号：US10959574
申请日：2004-10-07
申请人： Tetsuo Koike , Akira Furujo , Yoshiyuki Kato
发明人： Tetsuo Koike , Akira Furujo , Yoshiyuki Kato
IPC分类号： B23K10/00 , H05H1/28 , H05H1/34
CPC分类号： H05H1/28 , H05H1/34 , H05H2001/3457
摘要： The present invention relates to a nozzle for a plasma torch, in which the nozzle is detachably attached to the plasma torch and has an injection port for injecting a plasma arc formed at the center thereof, the nozzle for a plasma torch comprising: a water supplying pipe for cooling water; a water draining pipe for the cooling water; an annular water passage arranged around the injection port; and a plurality of connecting water passages for independently connecting the water supplying pipe to the annular water passage and the water draining pipe to the annular water passage.
摘要翻译：本发明涉及一种等离子体焰炬喷嘴，其中喷嘴可拆卸地安装在等离子体焰炬上，并且具有用于喷射其中心处形成的等离子弧的喷射口，等离子体焰炬喷嘴，包括：供水管道冷却水; 用于冷却水的排水管; 围绕注射口布置的环形水通道; 以及多个连接水通道，用于将供水管与环形水通道和排水管独立地连接到环形水通道。

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