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1. 发明专利

JP2008011648A Method for applying insulating coating on surface of laminated motor core 有权
标题翻译：在层压电机芯表面上应用绝缘涂层的方法
公开(公告)号：JP2008011648A
公开(公告)日：2008-01-17
申请号：JP2006180076
申请日：2006-06-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KUMANO TOMOJI , YOKOUCHI HITOSHI , TANAKA OSAMU
IPC分类号： H02K1/04 , C23C26/00
摘要： PROBLEM TO BE SOLVED: To provide a convenient and inexpensive applying method excellent in coating property in comparison with a conventional technology when an electrical insulating coating is formed on the surface of a laminated motor core.
SOLUTION: The method for applying the insulating coating on the surface of the laminated motor core applies a processing agent comprising: one or two or more complexes each containing a polyester resin and/or an epoxy resin and silicone as an insulating coating forming agent; one or two or more of silicone powder, alumina, silica and an aluminum hydroxide; and a remnant solvent, and forms the electrical insulating coating for withstanding a high voltage.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供与在层叠电动机芯的表面上形成电绝缘涂层时相比，与传统技术相比，涂层性能优异的方便且便宜的涂布方法。解决方案：在层压电动机芯的表面上施加绝缘涂层的方法应用加工剂，其包括：一种或两种以上复合物，每种复合物含有聚酯树脂和/或环氧树脂，硅氧烷作为绝缘涂层形成剂; 一种或两种以上硅氧烷粉末，氧化铝，二氧化硅和氢氧化铝; 和残留溶剂，并形成用于耐受高电压的电绝缘涂层。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007023329A Chromium-free insulating film agent for electromagnetic steel sheet 有权
标题翻译：用于电磁钢板的无铬绝缘膜
公开(公告)号：JP2007023329A
公开(公告)日：2007-02-01
申请号：JP2005206215
申请日：2005-07-14
申请人： Catalysts & Chem Ind Co Ltd , Nippon Steel Corp , Nittetsu Plant Designing Corp , 新日本製鐵株式会社 , 日鐵プラント設計株式会社 , 触媒化成工業株式会社
发明人： TANAKA OSAMU , FUJII HIROYASU , TAKEDA KAZUTOSHI , TAKAHASHI FUMIAKI , NISHIDA HIROYASU , SENJU NOBORU
IPC分类号： C23C22/00 , C01B33/149 , C21D9/46 , H01F1/18
CPC分类号： C23C22/74 , C23C22/08 , C23C22/62
摘要： PROBLEM TO BE SOLVED: To provide a grain oriented electromagnetic steel sheet product having excellent corrosion resistance, annealing resistance, film tension or the like in insulating treatment using a chromium-free phosphate as a base, and to provide a treatment agent.
SOLUTION: The chromium-free insulating film agent for an electromagnetic steel sheet comprises: (I) a phosphate by 100 pts.mass; (II) colloidal silica by 35 to 100 pts.mass in terms of an SiO
2 solid content; and (III) a dispersed liquid of a colloidal compound comprising one or more metallic elements selected from Fe, Al, Ga, Ti and Zr by 0.1 to 20 pts.mass in terms of the metallic element(s).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种在使用无铬磷酸盐作为基底的绝缘处理中具有优异的耐腐蚀性，耐退火性，膜张力等的晶粒取向电磁钢板产品，并提供处理剂。解决方案：用于电磁钢板的无铬绝缘膜剂包括：（I）磷酸盐100磅; （II）胶体二氧化硅，按SiO 2 SB固体含量计35〜100磅/立方米。和（III）包含一种或多种选自Fe，Al，Ga，Ti和Zr的金属元素的胶体化合物的分散液体，以金属元素换算为0.1-20质点。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2005317683A Grain-oriented electromagnetic steel plate for three-phase laminated iron core 审中-公开
标题翻译：用于三相层压铁心的面向电磁钢板
公开(公告)号：JP2005317683A
公开(公告)日：2005-11-10
申请号：JP2004132107
申请日：2004-04-27
申请人： Nippon Steel Corp , Nittetsu Plant Designing Corp , 新日本製鐵株式会社 , 日鐵プラント設計株式会社
发明人： YAMAZAKI SHUICHI , YABUMOTO MASAO , MIZOGAMI MASAHITO , FUJIKURA MASAHIRO , TANAKA OSAMU
IPC分类号： C23C22/00 , C21D9/46 , C23C26/00 , H01F1/16 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To improve the loss of a transformer iron core when a transformer is manufactured by using a grain-oriented electromagnetic steel plate with high B8, and further, to improve a building factor (BF) without deteriorating workability of the manufacturing of a transformer. SOLUTION: An insulating coating with coating tensile force of ≤4 MPa, lower than that of a normal grain-oriented electromagnetic steel plate, is formed on a finishing annealing film. Concretely, in the grain-oriented electromagnetic steel plate for a three-phase laminated iron core, the insulating coating has ≥1.88T of formation B8, the insulating coating is formed on the finishing annealing film, and tensile force to be imparted to the steel plate by the insulating coating is ≤4 MPa. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提高变压器通过使用具有高B8的晶粒取向电磁钢板制造变压器时的损耗，并且进一步改善建筑因子（BF）而不降低可加工性变压器的制造。
解决方案：在精加工退火膜上形成具有≤4MPa的涂层拉伸强度比普通晶粒取向电磁钢板低的绝缘涂层。具体地说，在三相层叠铁芯用的取向电磁钢板中，绝缘层的厚度≥888T，绝缘涂层形成在精加工退火膜上，赋予钢的拉伸强度绝缘涂层板为≤4MPa。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005268589A Simple manufacturing method of magnetic member for energy converter 审中-公开
标题翻译：用于能量转换器的磁性元件的简单制造方法
公开(公告)号：JP2005268589A
公开(公告)日：2005-09-29
申请号：JP2004080123
申请日：2004-03-19
申请人： Nippon Steel Corp , Nittetsu Plant Designing Corp , 新日本製鐵株式会社 , 日鐵プラント設計株式会社
发明人： KAIDO TSUTOMU , TANAKA OSAMU
IPC分类号： H01F27/24 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a simple manufacturing method of a member for a high-performance energy converter.
SOLUTION: In manufacture of the magnetic member in which machined strips of a magnetic steel plate are laminated, the machined strips are laminated and temporarily fixed beforehand, after binding liquid the function of which is binding through drying is applied or the strips are dipped in the binding liquid, and then the strips are dried, laminated and bound. Processes from machining of the electromagnetic steel plate to completion of a drying/binding method are made simple by applying temporary fixation to the drying/binding method.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供用于高性能能量转换器的部件的简单制造方法。解决方案：在制造其中层压有磁性钢板的加工带的磁性部件的制造中，机械加工的带被预先层压并暂时固定，粘合液体后，其功能通过干燥结合或条带浸入粘合液中，然后将条干燥，层压和结合。通过对干燥/粘合方法进行临时固定，可以简化通过电磁钢板的加工到干燥/粘合方法的完成的工序。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2002348613A METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET SUPERIOR IN BLANKING PROPERTY WITHOUT NEEDING DECARBURIZATION ANNEALING 失效
公开(公告)号：JP2002348613A
公开(公告)日：2002-12-04
申请号：JP2001155968
申请日：2001-05-24
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： KUMANO TOMOJI , FUJII NOBUNORI , OHATA YOSHIFUMI , TANAKA OSAMU
IPC分类号： C23C8/26 , C21D1/06 , C21D1/70 , C21D1/76 , C21D8/12
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a grain-oriented electromagnetic steel sheet superior in a magnetic property and a blanking property, without needing decarburization annealing. SOLUTION: This method comprises heating a slab which includes, by mass, 0.005% or less C, 2.5-4.5% Si, 0.020-0.040% acid soluble Al, 0.0030-0.010% N, and 0.05-0.14% Mn, and satisfies the expression, 0.003% .

6. 发明专利

JP2000273550A GLASS COATING FILM AND PRODUCTION OF GRAIN ORIENTED SILICON STEEL SHEET EXCELLENT IN MAGNETIC PROPERTY 失效
公开(公告)号：JP2000273550A
公开(公告)日：2000-10-03
申请号：JP8434799
申请日：1999-03-26
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： KUMANO TOMOJI , FUJII HIROYASU , YOKOUCHI HITOSHI , YAMAMOTO NORIHIRO , TANAKA OSAMU
IPC分类号： H01F1/16 , C21D8/12 , C21D9/46 , C22C38/00 , C22C38/06 , C23C22/00
摘要： PROBLEM TO BE SOLVED: To impart excellent magnetic properties by applying the slurry of a separation agent for annealing obtd. by adding MgO in which grain size and citric acid activity(CAA) are specified with a water soluble S compd. by a specified ratio on a nitriding annealed sheet obtd. by subjecting a slab to nitriding treatment, drying it at a steel sheet temp. equal to or below the specified temp. and thereafter executing finish annealing. SOLUTION: MgO in which the content of particles having grain size of =10%, CAA40% value is 100 to 250 sec, and CAA70% value/CAA40% value is 2 to 10 is used as a separation agent for annealing. The slurry of a separation agent for annealing obtd. by adding 100 pts.wt. MgO with a water soluble S compd. by 0.02 to 0.5 pts.wt. as S is applied on a slab subjected to nitriding treatment, which is dried at

7. 发明专利

JPH11335742A MGO ANNEALING SEPARATION AGENT FOR PRODUCTION OF GRAIN ORIENTED SILICON STEEL SHEET EXCELLENT IN PRIMARY FILM FORMING AND PRODUCTION OF GRAIN ORIENTED SILICON STEEL SHEET USING THE SAME 失效
公开(公告)号：JPH11335742A
公开(公告)日：1999-12-07
申请号：JP14411298
申请日：1998-05-26
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： FUJII HIROYASU , TANAKA OSAMU , YAMAMOTO NORIHIRO , OKADA SHINGO , HAMAYA TAKESHI
IPC分类号： C23C22/00 , C21D9/46
摘要： PROBLEM TO BE SOLVED: To form a primary film having a low film defect area rate over a coil whole length/width by dissolving a metal element of a specified quantity into in MgO to form a solid solution and conducting finish annealing to a silicon steel sheet with using a solid solution type MgO annealing separating agent having a specified CAA value and a specified particle distribution. SOLUTION: The grain oriented silicon steel sheet having a low iron loss is obtained by coating/drying a MgO annealing separation agent on a silicon steel sheet subjected to annealing and primary recrystallization with =5 μm size at a ratio of 1-50%. An annealing separation agent excellent in a primary film reaction is obtained. The bivalent metals are preferably Ca, Ba, Mn, Zn, Ni, etc., and the trivalent metals are preferably Al, Cr, Ti, Bi, etc.

8. 发明专利

JPH11323444A HIGHLY PRODUCTIVE FINISH ANNEALING HEATING METHOD OF GRAIN ORIENTED SILICON STEEL SHEET WITH LOW PRIMARY FILM DEFECT GENERATING AREA 失效
公开(公告)号：JPH11323444A
公开(公告)日：1999-11-26
申请号：JP13652998
申请日：1998-05-19
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： FUJII HIROYASU , KIMURA TAKESHI , TANAKA OSAMU , HAYASHI SHINYA , MIYAMOTO IKUO , YAMAZAKI KOJI
IPC分类号： C21D9/46
摘要： PROBLEM TO BE SOLVED: To provide a method for heating a finish annealed coil for a grain oriented silicon steel sheet having a low primary film defect generating area and high productivity. SOLUTION: In a method for producing a grain oriented silicon steel sheet in which a silicon-contg. cold rolled steel sheet regulated to a final sheet thickness is subjected to decarburizing annealing serving both as decarburizing from the steel and primary recrystallization, is thereafter applied with a separation agent for annealing, is coiled into a coiled shape and is subjected to finish annealing, a method in which a part or the whole body of a heating method for a finish annealed coil is executed by a method for directly making the steel sheet itself hot is adopted, by which the whole body of the coil can uniformly be heated, and the oxidizing history of each part of the coil can be uniformized, so that film defects, particularly the film defects in the outer peripheral part of the coil can be suppressed.

9. 发明专利

JPH11256242A PRODUCTION OF CRAIN-ORIENTED MAGNETIC STEEL SHEET EXTREMELY EXCELLENT IN GLASS FILM AND MAGNETIC PROPERTY 失效
公开(公告)号：JPH11256242A
公开(公告)日：1999-09-21
申请号：JP5718098
申请日：1998-03-09
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： KUMANO TOMOJI , FUJII HIROYASU , HAYASHI SHINYA , YAMAZAKI KOJI , TANAKA OSAMU , KUROKI KATSURO
IPC分类号： H01F1/16 , C21D8/12 , C21D9/46
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a grain-oriented magnetic steel sheet for obtaining a uniform glass film and excellent magnetic properties by controlling the heat cycle in a temp. rising stage and atmospheric conditions in finish annealing in a glass film forming stage. SOLUTION: In the method for producing a grain-oriented electric steel sheet in which a hot rolled sheet essentially contg. 0.03 to 0.100% C and 2.5 to 4.5% Si is annealed if necessary, is subjected to cold rolling by one time or two times interposing annealing to obtain a final one having mede its sheet thickness, is subjected to decarburizing annealing, is subjected to nitriding annealing if necessary, is coated with a separation agent for annealing, is subjected to finish annealing and is subjected to insulated film treatment and heat flattening, as the finish annealing conditions, the heating time in the temp. range of 750 to 1,050 deg.C in the temp. rising stage is made to 8.3 to 50 hr on the average, also PH2 O/PH2 =0.001 to 0.02 is satisfied, and the annealing is executed in either atmospheric gas of gaseous H contg.

10. 发明专利

JPH1121675A FORMATION OF INSULATING FILM FOR GRAIN ORIENTED SILICON STEEL SHEET 失效
公开(公告)号：JPH1121675A
公开(公告)日：1999-01-26
申请号：JP17729897
申请日：1997-07-02
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： FUJII HIROYASU , TANAKA OSAMU , SUGIYAMA KIMIHIKO , MIYAMOTO IKUO , KITAGAWA HISAKAZU
IPC分类号： B05D7/14 , C09D5/25 , C23C22/00 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To form an insulating film for a grain oriented silicon steel sheet, in which the instability of iron loss value is improved and the necessity of restrictions on the average grain size required of a compound hydroxide is obviated, by mixing a compound hydroxide and one or more kinds among boric acids, silicic acids, phosphoric acids, and salts thereof in specific ratio and subjecting the resultant solution mixture to treatment for improving dispersibility and compatibility. SOLUTION: The compound hydroxide is represented by general formula M 1-x M x (OH )2+x-ny (A )y .mH2 O. In the formula, M is a divalent metal ion such as Be , M is a trivalent metal ion such as Al , A is an n-valent anion such as OH , (x) satisfies 0 =2 kinds among boric acids, silicic acids, phosphoric acids, and salts thereof are mixed by 0.5 to >10.0 pts.wt. with 1 pts.wt. of the above compound hydroxide. Then, treatment for improving dispersibility and compatibility is applied to the resultant solution mixture by the use of a propeller blade type agitator, etc., to refine the compound hydroxide, etc.

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