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1. 发明专利

JP2006136940A Welding wire 审中-公开
标题翻译：焊丝
公开(公告)号：JP2006136940A
公开(公告)日：2006-06-01
申请号：JP2005293284
申请日：2005-10-06
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： HORIO KOJI , TAKAHASHI RYOJI , NAMIKAWA HIROTAKA , NAKAJOYA MAKOTO
IPC分类号： B23K35/02 , B23K35/30 , C22C14/00
摘要： PROBLEM TO BE SOLVED: To provide a welding wire allowing the compatibility between stable arc and stable droplet transfer in the MIG (Metal Inert Gas) welding or Ti thermal spraying of Ti-based material.
SOLUTION: The present invention provides a welding wire including Ti or a Ti alloy, wherein the welding wire has: an oxygen enriched layer and a surface thereof; and a metal compound having at least one metal selected from the group consisting of alkali metals and alkaline earth metals.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种允许在MIG（金属惰性气体）焊接或钛基材料的Ti热喷涂中稳定的电弧和稳定的液滴转移之间的兼容性的焊丝。解决方案：本发明提供一种包括Ti或Ti合金的焊丝，其中焊丝具有：富氧层及其表面; 和具有至少一种选自碱金属和碱土金属的金属的金属化合物。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2005290467A METHOD FOR PRODUCING Ti-BASED WIRE ROD FOR FORMING MOLTEN METAL AND Ti-BASED WIRE ROD FOR FORMING MOLTEN METAL 审中-公开
标题翻译：用于生产用于形成金属的钛基线的方法和用于形成金属的钛基线
公开(公告)号：JP2005290467A
公开(公告)日：2005-10-20
申请号：JP2004106388
申请日：2004-03-31
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： NAKAJOYA MAKOTO
IPC分类号： B21C1/00 , B21C9/00 , C23C4/08 , C23C8/10
摘要： PROBLEM TO BE SOLVED: To provide a Ti-based wire rod for forming molten metal in which the total content of oxygen can be sufficiently reduced though being provided with a Ti-based oxide film thicker than a naturally oxidizable film, and in its turn, the total oxygen content can easily be controlled within a standard range. SOLUTION: In the Ti-based wire rod for forming molten metal from which molten metal composed of Ti-based metal is formed by being successively heated and melted from the tip side, the wire rod body 3 is composed of Ti-based metal, and a Ti-based oxide film 2 thicker than a naturally oxidizable film is formed on the surface of the wire rod body. Regarding the total oxygen content WO T in the whole of the wire rod 3, standard upper limit value WOmax is decided. Further, in the total oxygen content WO T , the contribution to the oxygen content by the Ti-based oxide film 2 is defined as WO F , then, an upper limit regulation margin ΔWO of oxygen in the body higher than the WO F is set, and the oxygen content WO M in the wire rod body 3 is regulated to WOmax-ΔWO or lower. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于形成熔融金属的Ti基线材，其中通过设置比天然可氧化膜厚的Ti基氧化物膜，可以充分降低氧的总含量，并且其总氧含量可以容易地控制在标准范围内。解决方案：在用于形成熔融金属的Ti基线材中，由Ti基金属组成的熔融金属从尖端侧连续加热熔化而形成，线材主体3由Ti基金属和比天然可氧化膜厚的Ti基氧化物膜2形成在线材主体的表面上。关于整个线材3中的总氧含量WO SB ，确定标准上限值WOmax。此外，在总氧含量WO T 中，由Ti系氧化膜2对氧含量的贡献定义为WO SB> F ，则上限调节设定高于WO F 的体内的氧的余量ΔWO，将线材主体3中的氧含量WO M 调节为WOmax-ΔWO以下。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2004217965A Metal wire rod for producing molten metal 审中-公开
公开(公告)号：JP2004217965A
公开(公告)日：2004-08-05
申请号：JP2003004314
申请日：2003-01-10
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： NAKAJOYA MAKOTO , KARIYA KEN , SUZUKI KOJI , HIYAMIZU TAKAO , NODA TOSHIHARU
IPC分类号： B23K35/02 , B23K35/28 , B23K35/30 , B23K35/32 , C23C4/08 , C23C8/12
摘要： PROBLEM TO BE SOLVED: To provide such a metal wire rod for producing a molten metal as to form a stable arc when used for welding or thermal spraying.
SOLUTION: The metal wire rod 301 for producing the molten metal shall produce the molten metal containing any of Fe, Al, Mg, Ni, Co, Be, Ta and Ni-Ti as main components, when sequentially heated and melted from a tip side. The metal wire rod has a part including at least the surface of the wire rod, which is constituted by any metal of Fe, Al, Mg, Ni, Co, Be, Ta and Ni-Ti as a main component; and an oxygen-concentrated layer containing a higher concentration of oxygen than that in an inner layer part, which is formed on the surface layer part including the surface of the wire rod, so as to include a protective oxide layer obtained by positive oxidation for the surface of the metal.
COPYRIGHT: (C)2004,JPO&NCIPI

4. 发明专利

JP2003137391A HOPPER 审中-公开
公开(公告)号：JP2003137391A
公开(公告)日：2003-05-14
申请号：JP2001341056
申请日：2001-11-06
申请人： DAIDO STEEL CO LTD
发明人： NAKAJOYA MAKOTO , KUSUMI TAMOTSU , HAYAKAWA AKIYUKI
IPC分类号： B65D90/58 , B65D90/62 , B65G65/40
摘要： PROBLEM TO BE SOLVED: To provide a hopper whose gate can be smoothly and reliably opened/ closed, and which can prevent a powder and granular substance from falling down from the gate when closed. SOLUTION: The hopper includes a hopper body 1 having at its lower end a discharge port 5 rectangular when viewed on a plane which is surrounded by left and right sidewalls 2a and 2b, a front wall 3 and a rear wall 4, and a single swinging gate 11 for opening/closing the discharge port which is driven to rotate around a horizontal axis and rotates from a side of the rear wall 4 to a side of the front wall 3 during a closing operation. A lower end surface 6 of the sidewalls 2a and 2b is formed to be a convex arcuate surface. The curved-plate gate 11 having a concave arcuate face to be slammed with the lower end surface 6 when closed is rotatably supported around the horizontal axis P placed backward from respective normal lines Y-Y and X-X on a rear end 6b and a front end 6a on the lower end surface 6 of the sidewalls 2a and 2b.

5. 发明专利

JP2000176334A METHOD AND APPARATUS FOR APPLYING LIQUID TO WIRE ROD 失效
公开(公告)号：JP2000176334A
公开(公告)日：2000-06-27
申请号：JP35481598
申请日：1998-12-14
申请人： DAIDO STEEL CO LTD
发明人： NAKAJOYA MAKOTO , HIRAI HIROKI
IPC分类号： B05D1/02 , B05B13/02 , B05D7/20
摘要： PROBLEM TO BE SOLVED: To form almost uniformly a coated layer of a required thickness over the whole length of wire rod by a method wherein a traveling speed when the wire rod is continuously wound on a wire rod winding mechanism is detected, and a discharged amount of a liquid of a liquid spraying mechanism is adjusted for increase or decrease according to increase or decrease in the detected wire rod winding speed. SOLUTION: For a rust preventive oil applicator wherein rust preventive oil is uniformly applied in traveling of a wire W, the wire W come out from a chamber 31 is wound on a wire winding reel 42 to be driven by a reel drive motor 41 comprising a wire rod winding mechanism 4. In this case, the number of revolutions of the reel drive motor 41 is measured, the integrated number of revolutions is changed from the obtained measured value, and a wire winding speed is calculated. Then, whether or not the integrated number of revolutions reaches the boundary integrated number of revolutions between an accelerating area and a constant revolution area, is judged. In the case of NO, a present operation area is judged to be in the accelerating area, a target discharge amount at this time is calculated, and a discharge amount of oil of an oil discharge pump 34 is conformed to the target discharge amount by adjusting the number of revolutions of a pump drive motor 33.

6. 发明专利

JP2005171367A Method for producing ingot 有权
标题翻译：生产蛋白质的方法
公开(公告)号：JP2005171367A
公开(公告)日：2005-06-30
申请号：JP2003416572
申请日：2003-12-15
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： NAKAJOYA MAKOTO
IPC分类号： B22D7/00 , C22B9/20
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an ingot by using a consumable electrode type arc melting technique which has been improved so as to enhance a melting yield through reducing a residual quantity of a consumable electrode, while preventing the degradation of the quality of the secondary ingot due to the drop of the primary ingot and the melting of a stub. SOLUTION: This production method comprises: producing the primary ingot consisting of a main body having a larger cross section perpendicular to a direction of suspending the primary ingot than that of the stub, and a section-reduced portion having the smaller cross section perpendicular to the direction of suspending the primary ingot than that of the main body formed on the upper end surface of the main body; connecting the section-reduced portion of the primary ingot to the bottom surface of the stub; passing a current to the primary ingot in the state; thereby melting the main body while grasping the timing of stopping the feeding of the current to the stub, on the basis of a change of a peripheral shape of the section-reduced portion or a connected part of the section-reduced portion to the main body; and producing the secondary ingot by using a mold. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供一种通过使用消耗电极型电弧熔解技术制造锭的方法，该方法已被改进，以便通过减少可消耗电极的剩余量来提高熔化产率，同时防止劣化由于初始晶锭的下降和短棒的熔化导致次级晶锭的质量。解决方案：该生产方法包括：生产主体，其主体具有垂直于悬浮第一锭的方向的截面大于短棒的横截面的主体，以及具有较小横截面的截面减小部分垂直于主体的悬挂方向，而不是形成在主体的上端面上的主体的方向; 将所述主晶锭的截面减小部分连接到所述短截线的底面; 将电流传递到状态下的主晶锭; 从而基于将截面减小部分的周边形状或截面减小部分的连接部分改变为主体而抓住停止向短截线馈送电流的时刻，熔化主体 ; 并通过使用模具生产次级锭。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005021983A Titanium-based wire rod for forming molten metal and method for manufacturing the same 有权
标题翻译：用于形成金属的基于钛的线形线及其制造方法
公开(公告)号：JP2005021983A
公开(公告)日：2005-01-27
申请号：JP2004106814
申请日：2004-03-31
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： NAKAJOYA MAKOTO , KARIYA KEN , HORIO KOJI , TOYODA KAZUHIRO
IPC分类号： B23K35/02 , B21C1/00 , B21C9/00 , B23K35/32 , C22C14/00 , C22F1/00 , C22F1/18 , C23C4/08 , C23C8/10
摘要： PROBLEM TO BE SOLVED: To provide a titanium-based wire rod for forming molten metal which is excellent in both feeding ability and arc stability.
SOLUTION: The titanium-based wire rod 301 for forming the molten metal is composed of a rod stock 3 of titanium-based metal. The longitudinal tensile strength of the wire rod is in a range between Smin and Smax, wherein Smin=-230Dw+850 in MPa and Smax=-620Dw+2,000 in MPa. A titanium-based oxide film of 1μm or more and 5μm or less in thickness is formed on the surface of the rod stock 3. The rod stock 3 on which a titanium-based oxide film 2 is formed is then thinned together with the titanium-based oxide film 2 by a cold wire drawing process.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于形成熔融金属的钛基线材，其具有优异的进料能力和电弧稳定性。解决方案：用于形成熔融金属的钛基线材301由钛基金属的棒料3构成。线材的纵向拉伸强度在Smin和Smax之间的范围内，其中Smin = -230Dw + 850 MPa，Smax = -620Dw + 2,000 MPa。在棒材3的表面上形成厚度为1μm以上且5μm以下的钛系氧化膜。然后，形成有钛系氧化膜2的棒料3与钛 - 通过冷拉丝工艺制造基于氧化物的氧化膜2。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2002144083A Ti WELDING WIRE AND WELDING METHOD 失效
公开(公告)号：JP2002144083A
公开(公告)日：2002-05-21
申请号：JP2000336989
申请日：2000-11-06
申请人： DAIDO STEEL CO LTD
发明人： TOYODA KAZUHIRO , HIYAMIZU TAKAO , NAKAJOYA MAKOTO , HANASHIMA SHIGEO
IPC分类号： B23K9/173 , B23K9/23 , B23K35/32 , B23K35/40 , B23K103/14 , C22C14/00
摘要： PROBLEM TO BE SOLVED: To provide a welding technique by which, in MIG welding of Ti, wire feedability is good, thus, arc is made stable, further, sputtering is little, and a good bead can be given. SOLUTION: MIG welding is performed by using a Ti welding wire in which pure Ti is used as the material, in the relation with a contact tip of a welding device, the ratio between the diameter Dw of the welding wire and the inside diameter Dc of the contact tip lies in the range of Dc/Dw=1.1 to 1.4, tensile strength lies in the range of 400 to 800 N/mm2, and the maximum surface roughness Rmax in the longitudinal direction is

9. 发明专利

JP2001158567A DRAWING METHOD FOR WELDING WIRE AND TORSION APPLICATOR THEREFOR 失效
公开(公告)号：JP2001158567A
公开(公告)日：2001-06-12
申请号：JP34198999
申请日：1999-12-01
申请人： DAIDO STEEL CO LTD
发明人： NAKAJOYA MAKOTO , INOUE HARUYUKI , TOKI YOJI
IPC分类号： B23K9/133 , B65H49/02
摘要： PROBLEM TO BE SOLVED: To provide a drawing method for welding wire and a torsion applicator therefor, capable of drawing a welding wire from a pail smoothly without twisting or tangling if torsion given in charging the welding wire into the pail is not enough. SOLUTION: This drawing method includes, in drawing the welding wire W layered in a looped and cylindrical manner in the pail 1 to the outside of the pail 1 from one end thereof, for example, clamping the wire W between a pair of rollers 12 and 14 in nonparallel with each other to drawing the wire W while applying the amount corresponding to the shortage of a prescribed torsion angle in charging it into the pail 1 to the wire W.

10. 发明专利

JP2004195276A Dust collection apparatus for dust-containing exhaust gas 审中-公开
标题翻译：垃圾收集装置用于除尘排气
公开(公告)号：JP2004195276A
公开(公告)日：2004-07-15
申请号：JP2002363335
申请日：2002-12-16
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： NAKAJOYA MAKOTO , HAYAKAWA AKIYUKI
IPC分类号： B01D46/42
摘要： PROBLEM TO BE SOLVED: To provide a dust collection apparatus for a dust-containing exhaust gas capable of certainly supplying the pressure due to a drying gas to the exhaust pipeline on the upstream side of a filter at the time of treatment of a dust-containing exhaust gas to enhance the cleanliness of the exhaust gas.
SOLUTION: The dust collection apparatus 1 for the dust-containing exhaust gas includes a first pipeline 2, which connects a titanium melting furnace (dust-containing exhaust gas discharge source) 20 and the gas supply part 6a of a dust collector 6 having the filter 7 provided therein, a second pipeline 8 which is connected to the exhaust part 6b of the dust collection 6 at one end thereof and has an exhaust port 12a communicating with the open air through the first fan 10 which is provided to the intermediate part of the pipeline 8, and a return pipe 14 for connecting the downstream part 12 of the first fan 10 of the second pipeline 8 and the intermediate part of the first pipeline 2.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够在处理过滤器时在过滤器的上游侧向排气管道确定供给由干燥气体引起的压力的含尘废气的集尘装置含尘废气以提高废气的清洁度。解决方案：用于含灰尘废气的灰尘收集装置1包括连接钛熔化炉（含灰尘的废气排放源）20和集尘器6的气体供应部6a的第一管道2 其中设置有过滤器7，第二管道8在其一端连接到集尘器6的排气部分6b，并且具有通过第一风扇10与露天空气连通的排气口12a，第一风扇10设置在中间管道8的一部分和用于连接第二管线8的第一风扇10的下游部分12和第一管道2的中间部分的回流管14.版权所有（C）2004，JPO＆NCIPI

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