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21. 发明专利

JP2005054388A Manufacturing method of steel pipe pile equipped with screw vane and steel pipe pile 审中-公开
标题翻译：钢丝管与钢丝管连接的制造方法
公开(公告)号：JP2005054388A
公开(公告)日：2005-03-03
申请号：JP2003206562
申请日：2003-08-07
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： DAITOKU KAZUMI
IPC分类号： E02D5/56
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a steel pipe pile equipped with a screw vane and the steel pipe pile by comparatively small force at low cost without using any big-sized press or a plurality of metal molds. SOLUTION: First and second holding means 15 and 16 respectively holding one and the other cutting end sections 13 and 14 of a doughnut-shaped steel plate 11 forming the cutting end section 13 and 14 opposed to each other cut in the direction of a radius and the screw vane molding device 10 mounted to a fixed holder 25 and equipped with a forward and backward driving means 22 moving the second holding means 16 to the substantially parallel direction for the axial center of the steel plate 11 are prepared. The forward and backward driving means 22 is operated to move the second holding means 16 to the first holding means 15 to mold a spiral with a predetermined pitch in the steel plate 11, a holding part held by the first and second holding means 15 and 16 of the steel plate 11 molded in the shape of a spiral is cut to manufacture the screw vane 12, and the screw vane 12 is welded to the outer circumferential surface of the lower part of a steel pipe pile body 61. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种以较低的成本在不使用任何大型压力机或多个金属模具的情况下，通过相对较小的力量提供配有螺旋叶片和钢管桩的钢管桩的制造方法。解决方案：分别保持形成相互相对的切割端部13和14的环形钢板11的一个和另一个切割端部13和14的第一和第二保持装置15和16沿着准备安装在固定保持器25上的半径和螺旋叶片成型装置10，该固定保持器25配备有使第二保持装置16沿钢板11的轴心的大致平行方向移动的向前和向后的驱动装置22。操作前进和后退驱动装置22将第二保持装置16移动到第一保持装置15，以在钢板11中以预定间距模制螺旋，由第一和第二保持装置15和16保持的保持部分切割成螺旋状的钢板11，制造螺旋叶片12，将螺旋叶片12焊接到钢管桩体61的下部的外周面。版权所有：（C）2005，JPO＆NCIPI

22. 发明专利

JP2005052851A Method and device for forming screw blade 审中-公开
标题翻译：用于形成螺旋叶片的方法和装置
公开(公告)号：JP2005052851A
公开(公告)日：2005-03-03
申请号：JP2003206560
申请日：2003-08-07
申请人： Hoshin Sangyo Kk , Nippon Steel Corp , 新日本製鐵株式会社 , 豊信産業株式会社
发明人： DAITOKU KAZUMI , ISOMURA NORIHISA , HARADA TETSUO
IPC分类号： B23P13/02 , B21D11/06
摘要： PROBLEM TO BE SOLVED: To provide a forming method and a forming device of a screw blade by which a metallic sheet is formed into a screw blade having a prescribed pitch by small force in spite of the size of the metallic sheet. SOLUTION: By cutting a doughnut-like metallic sheet 11 having a prescribed inside diameter a and an outside diameter b in the radial direction of the metallic sheet 11, a pair of cut end parts 13, 14 are formed. By respectively holding one side and the other side of a pair of the cut end parts 13, 14 by first and second holding means 15, 16 and relatively moving the second holding means 16 in the direction of the axial center of the doughnut-like metallic sheet 11 to the first holding means 15, a spiral having the prescribed pitch is formed on the metallic sheet 11. Next, the held parts held with the first and the second holding means 15, 16 of the metallic sheet 12 formed into a spiral shape are cut. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供螺旋叶片的成形方法和成形装置，尽管金属片的尺寸，金属片通过小的力形成为具有规定间距的螺旋叶片。解决方案：通过在金属片11的径向上切割具有规定内径a和外径b的环形金属片11，形成一对切割端部13,14。通过第一和第二保持装置15,16分别保持一对切割端部13,14的一侧和另一侧，并且使第二保持装置16沿着环形金属制的轴向中心的方向相对移动在第一保持装置15中，在金属片11上形成具有规定间距的螺旋。接下来，夹持金属片12的第一和第二保持装置15,16的保持部件形成为螺旋状被切断版权所有（C）2005，JPO＆NCIPI

23. 发明专利

JP2000178771A CORROSION PREVENTING PROCESS FOR STEEL STRUCTURE 失效
公开(公告)号：JP2000178771A
公开(公告)日：2000-06-27
申请号：JP35321498
申请日：1998-12-11
申请人： NIPPON STEEL CORP
发明人： DAITOKU KAZUMI
IPC分类号： B05D5/00 , B05D7/14 , B05D7/24 , C23F11/00
摘要： PROBLEM TO BE SOLVED: To reduce the base treatment process for a surface to be coated, to prevent rusting and to keep the adhesive property of a rust preventive coating material over a long period by forming a chemical coating film on the surface to be coated and after that, applying an alkali group containing coating material. SOLUTION: A chemical coating film is formed by applying a chemical coating film forming agent prepared by blending a fluorine compound, an oxalate and the like in a tannic acid aq. solution on a steel structure base-treated with sand blast or the like and drying. As the alkaline coating material applied on the chemical coating film, a rust preventive coating composition prepared by blending 10-300 pts.wt. slag containing 30-70% CaO with 100 pts.wt. resin solid matter composed of an epoxide resin having an average molecular weight of 300-300 and an epoxide equivalent of 180-2200 and a hardening agent is used. As the alkali group-containing slag, blast furnace granulate slag having 0.1-100 μm particle diameter or the like is used. The surface of the chemical coating film is previously neutralized or alkalified by applying a liquid prepared by eluting a slag component before the coating material is applied and in such a case, it is unnecessary to use the alkaline coating material.

24. 发明专利

JPH11115095A WEAR-RESISTANT LINER AND ITS MANUFACTURE 失效
公开(公告)号：JPH11115095A
公开(公告)日：1999-04-27
申请号：JP29936497
申请日：1997-10-15
申请人： TOBATA SEISAKUSHO KK , NIPPON STEEL CORP
发明人： DAITOKU KAZUMI , TAKEDA HIROO
IPC分类号： B23K20/00 , B32B15/01 , C22C27/04
摘要： PROBLEM TO BE SOLVED: To prevent rapid progress of wear in the case that a super-hard wear- resistant sheet is damaged and worn, by adhering through sequentially laminating the super-hard wear-resistant sheet composed of super-hard alloy, an insert sheet as stress relaxation material, and a hard wear-resistant sheet composed of iron and chrome as base material. SOLUTION: A wear-resistant liner 10 is constructed by sequentially laminating super-hard wear-resistant sheet 11 composed of tungsten-cobalt super-hard alloy, an insert sheet 12 composed of copper, a hard wear-resistant sheet 13 composed of high-chrome cast iron, and an iron sheet 14 composed of SS steel. The insert sheet 12 is composed of a copper sheet, where oxygen content of the copper material is, for example 5-10 ppm, and thickness is, for example 2 mm. By controlling oxygen density, generation of oxide is inhibited at the time of diffusion joining of the hard wear-resistant sheet 13 and the super-hard wear-resistant sheet 11 through the insert sheet 12 therebetween. Thereby, stress generated at the time of using between the both sheets are relaxed, and temperature distribution generated by temperature variation or the like becomes uniform.

25. 发明专利

JPH10152629A ANTIFOULING COATING MATERIAL EXCELLENT IN SCRATCH RESISTANCE AND CORROSION RESISTANCE 失效
公开(公告)号：JPH10152629A
公开(公告)日：1998-06-09
申请号：JP32796996
申请日：1996-11-21
申请人： NIPPON STEEL CORP
发明人： DAITOKU KAZUMI
IPC分类号： C09D5/08 , C09D5/16 , C09D7/12 , C09D163/00
摘要： PROBLEM TO BE SOLVED: To provide an economical antifouling method excellent in scratch resistance and rust-inhibiting performances. SOLUTION: This method comprises forming on the external surface of a ship a film of a rust-preventing coating composition comprising 100 pts.wt. resin solid matter or 100 pts.wt., in total, epoxy resin having an average molecular weight of 300-3,000 and an epoxy equivalent of 180-2,200 and curing agent, and 10-300 pts.wt., in total, alkali-group-containing slag formed in a smelting process, at least one powdery basic compound having a pH of 8-13 or a mixture thereof with a zinc powder.

26. 发明专利

JPH10140224A LANCE DEVICE 失效
公开(公告)号：JPH10140224A
公开(公告)日：1998-05-26
申请号：JP31549296
申请日：1996-11-11
申请人： TAKATA KOGYOSHO KK , NIPPON STEEL CORP
发明人： NOGAMI FUJIYA , DAITOKU KAZUMI , TSUKAHARA TAKESHI , MINE TAKAAKI , SUENAGA TOYOJI , BEPPU AKITO , ONO KOICHI , KARAKI TETSUO
IPC分类号： C21C5/46 , F27D7/02
摘要： PROBLEM TO BE SOLVED: To provide a lance device which can easily execute the centering work and the changing work of the lance and also, can prevent the promotion of dropping and heat deformation of the lance caused by the vibration during refining operation. SOLUTION: This lance device is provided with a lance fitting angle adjusting means for changing the fitting angle of the lance by fitting the lance as radiating state to the center and ascending/descending at least two of receiving members 50-52 fitting a first - a third supporting legs 15, an oxygen supplying hole connecting part 66 and cooling water supplying and draining hole connecting parts 67, 68 for executing the seal with each end part of the oxygen supplying tube 16 and the cooling water supplying and draining tubes 17, 18 by oppositely arranged to each end part of the oxygen supplying tube 16 and the cooling water supplying and draining tubes 17, 18, and descending with the dead wt. of the lance.

27. 发明专利

JPH09169424A FALLEN MATERIAL RECOVERING DEVICE WITHOUT USING POWER SOURCE 失效
公开(公告)号：JPH09169424A
公开(公告)日：1997-06-30
申请号：JP35055795
申请日：1995-12-22
申请人： SANKYU KK , NIPPON STEEL CORP
发明人： DAITOKU KAZUMI , ICHIKAWA MASATAKA , FUKUI HAJIME
IPC分类号： B65G45/26 , B65G15/60
摘要： PROBLEM TO BE SOLVED: To provide a fallen material recovering device without using a power source, which can recover the fallen material in a wide range under a belt conveyor at a relatively low cost and which can be installed with a relatively small constraint on space. SOLUTION: A fallen material recovering conveyor 42, which is held in the nearly parallel condition with a return belt 14b by the energizing force of an elastic member and which can be vertically turned around a rotary shaft 300 of an intefmediate part, is provided under a belt conveyor 42. A first pulley 43 and a first driving force uptaking roller, which is pressed to the lower surface of the return belt 14b with the rotation of the fallen material recovering conveyor 42 around the rotary shaft 300, are connected to each other by a normal rotating power transmitting means, and a second pulley 44 and a second driving force uptaking roller, which is pressed to the lower surface of the return belt 14b with the reverse rotation of the fallen material recovering conveyor belt 42 around the rotary shaft 300, are connected to each other through a reverse rotating power transmitting means.

28. 发明专利

JPH09141447A VACUUM TYPE STUD GUN 失效
公开(公告)号：JPH09141447A
公开(公告)日：1997-06-03
申请号：JP32817895
申请日：1995-11-22
申请人： NAISU KK , NIPPON STEEL CORP
发明人： DAITOKU KAZUMI , HARADA TETSUO
IPC分类号： B23K9/20 , B23K11/00
摘要： PROBLEM TO BE SOLVED: To make the weld available even when a work to be welded is a flat plate without a part to be held. SOLUTION: A stud gun 10 in which a work 37 to be welded having a flat surface and at least a part in contact with an energizing material of a gun body 11 made of the conductive material up to a projection 37a on the back side is held by the gun body 11, and the welding is performed in the condition where the projection 37a formed on the back side of the work 37 to be welded is pressed against an object 16 to be fitted, is provided with a suction pad 35 to surround the circumference of the energizing member 19, and sucks the work 37 to be welded to keep it in the abutting condition on the energizing member 19 of the gun body 11.

29. 发明专利

JPH0938569A ZINC-RESIN TYPE SURFACE TREATED STEEL SHEET WITH EXCELLENT SCRATCH RESISTANCE AND CORROSION RESISTANCE 失效
公开(公告)号：JPH0938569A
公开(公告)日：1997-02-10
申请号：JP19280195
申请日：1995-07-28
申请人： NIPPON STEEL CORP
发明人： DAITOKU KAZUMI
IPC分类号： B05D3/10 , B05D5/00 , B05D7/14 , B05D7/24
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet treated with zinc plating or zinc-based alloy plating with high cost efficiency and rust-proof performance. SOLUTION: On a galvanized or zinc-based alloy plated steel sheet directly or on a chromate film or a phosphate film formed thereon a rust-proof coating compsn. film is formed in which 10-300 pts.wt. in total of slug contg. alkali groups formed in a metallurgy process, or one or two powdery basic compd. with a pH of 8-13, and zinc powder are contained based on 100 pts.wt. of resin solid content of 100 pts.wt. or an epoxy resin with a mean MW of 300-3,000 and an epoxy equivalent of 180-2,200, and a curing agent. This steel sheet exhibits good coating film appearance and adhesiveness and excellent scratch resistance and corrosion resistance with no generation of white rust.

30. 发明专利

JPH0926265A GRATE BAR FOR SINTERING MACHINE 失效
公开(公告)号：JPH0926265A
公开(公告)日：1997-01-28
申请号：JP17604995
申请日：1995-07-12
申请人： NIPPON STEEL CORP , SINTOKOGIO LTD
发明人： DAITOKU KAZUMI , UMENO KENJI , OOISHI TATSUYA
IPC分类号： F27B21/08
摘要： PROBLEM TO BE SOLVED: To decrease the reduced thickness due to corrosion and increase life by providing a chromium and iron carbide layer of high chromium concentration on a surface. SOLUTION: A chromium and iron carbide layer of high chromium concentration is provided on the surface of the grate bar 1 of a sintering machine made of high chromium cast iron. In order to form such a layer, a chromium cementing process which is generally called a chromising process is carried out. On performing this process, a metallic semi-closed container is first filled with a cementing agent having a prescribed composition. A material to be processed, such as the grate bar 1 with a prescribed shape made of an iron steel material such as a high chromium cast iron of a prescribed composition is embedded in the cementing agent. Then, when the grate bar 1 is heated for a prescribed time at a prescribed temperature while inactive gas such as argon, reducing gas is supplied to the container, a very hard chromium/iron carbide layer having prescribed surface chromium concentration, layer thickness and surface hardness is formed. The reason why the semi-closed container is used is that the thermal decomposition gas of air and ammonium chloride in the container is released outside.

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