公开(公告)号：US07173509B2

公开(公告)日：2007-02-06

申请号：US10433524

申请日：2002-10-04

申请人： Tomoji Kumano ,  Chikara Kaido ,  Hiroyasu Fujii ,  Kazutaka Higashine ,  Osamu Tanaka ,  Norikazu Fujii ,  Kazufumi Hanzawa ,  Masayoshi Tanaka ,  Yuji Kubo ,  Noriko Yamada

发明人： Tomoji Kumano ,  Chikara Kaido ,  Hiroyasu Fujii ,  Kazutaka Higashine ,  Osamu Tanaka ,  Norikazu Fujii ,  Kazufumi Hanzawa ,  Masayoshi Tanaka ,  Yuji Kubo ,  Noriko Yamada

IPC分类号： H01F27/28 ,  B05D3/02

CPC分类号： C23C18/02 ,  C23C18/122 ,  C23C18/1254 ,  C23C18/127 ,  H02K1/04 ,  H02K3/30 ,  H02K15/10

摘要： A means for treating the end faces of a core which is used for an electrical apparatuses and etc., to give insulation extremely superior in effect of improvement of the insulation, corrosion resistance, adhesiveness, heat resistance, and magnetic properties at a low temperature in a short time without cleaning for removing punching oil, annealing, or other pre-treatment; a core having an insulation coating comprised of a dry film of a pure silicone polymer, modified silicone polymer, and/or mixed silicone polymer as a silicone compound on the core end faces and having an average film thickness of at least 0.5 μm, a breakdown voltage of at least 30V, and a heat resistance in the air of at least 400° C.; and a method of production comprised of forming a core, then dipping it in or spraying it by one or more types of a pure silicone polymer, modified silicone polymer, and/or mixed silicone polymer as an insulation coating.

摘要翻译： 用于处理用于电气设备等的芯的端面的装置，以提供在提高绝缘性，耐腐蚀性，粘合性，耐热性和低温下的磁特性方面非常优异的绝缘性 短时间内不用清洗去除冲孔油，退火或其他预处理; 具有由核心端面上的纯硅氧烷聚合物的干膜，改性硅氧烷聚合物和/或硅氧烷化合物的混合硅氧烷聚合物构成的绝缘涂层的芯体，其平均膜厚度至少为0.5μm，击穿 电压至少为30V，空气中的耐热性至少为400℃。 以及一种生产方法，包括形成核心，然后将其浸入或喷射由一种或多种类型的纯硅氧烷聚合物，改性硅氧烷聚合物和/或混合硅氧烷聚合物作为绝缘涂层。

公开(公告)号：US07471182B2

公开(公告)日：2008-12-30

申请号：US11652893

申请日：2007-01-12

申请人： Tomoji Kumano ,  Chikara Kaido ,  Hiroyasu Fujii ,  Kazutaka Higashine ,  Osamu Tanaka ,  Norikazu Fujii ,  Kazufumi Hanzawa ,  Masayoshi Tanaka ,  Yuji Kubo ,  Noriko Yamada

发明人： Tomoji Kumano ,  Chikara Kaido ,  Hiroyasu Fujii ,  Kazutaka Higashine ,  Osamu Tanaka ,  Norikazu Fujii ,  Kazufumi Hanzawa ,  Masayoshi Tanaka ,  Yuji Kubo ,  Noriko Yamada

IPC分类号： H01F27/24

CPC分类号： C23C18/02 ,  C23C18/122 ,  C23C18/1254 ,  C23C18/127 ,  H02K1/04 ,  H02K3/30 ,  H02K15/10

摘要： A means for treating the end faces of a core which is used for an electrical apparatuses and etc., to give insulation extremely superior in effect of improvement of the insulation, corrosion resistance, adhesiveness, heat resistance, and magnetic properties at a low temperature in a short time without cleaning for removing punching oil, annealing, or other pre-treatment; a core having an insulation coating comprised of a dry film of a pure silicone polymer, modified silicone polymer, and/or mixed silicone polymer as a silicone compound on the core end faces and having an average film thickness of at least 0.5 μm, a breakdown voltage of at least 30V, and a heat resistance in the air of at least 400° C.; and a method of production comprised of forming a core, then dipping it in or spraying it by one or more types of a pure silicone polymer, modified silicone polymer, and/or mixed silicone polymer as an insulation coating.

摘要翻译： 用于处理用于电气设备等的芯的端面的装置，以提供在提高绝缘性，耐腐蚀性，粘合性，耐热性和低温下的磁特性方面非常优异的绝缘性 短时间内不用清洗去除冲孔油，退火或其他预处理; 具有由核心端面上的纯硅氧烷聚合物的干膜，改性硅氧烷聚合物和/或硅氧烷化合物的混合硅氧烷聚合物构成的绝缘涂层的芯体，其平均膜厚度至少为0.5μm，击穿 电压至少为30V，空气中的耐热性至少为400℃。 以及一种生产方法，包括形成核心，然后将其浸入或喷射由一种或多种类型的纯硅氧烷聚合物，改性硅氧烷聚合物和/或混合硅氧烷聚合物作为绝缘涂层。

公开(公告)号：US20070188289A1

公开(公告)日：2007-08-16

申请号：US11652893

申请日：2007-01-12

申请人： Tomoji Kumano ,  Chikara Kaido ,  Hiroyasu Fujii ,  Kazutaka Higashine ,  Osamu Tanaka ,  Norikazu Fujii ,  Kazufumi Hanzawa ,  Masayoshi Tanaka ,  Yuji Kubo ,  Noriko Yamada

发明人： Tomoji Kumano ,  Chikara Kaido ,  Hiroyasu Fujii ,  Kazutaka Higashine ,  Osamu Tanaka ,  Norikazu Fujii ,  Kazufumi Hanzawa ,  Masayoshi Tanaka ,  Yuji Kubo ,  Noriko Yamada

IPC分类号： H01F27/24

CPC分类号： C23C18/02 ,  C23C18/122 ,  C23C18/1254 ,  C23C18/127 ,  H02K1/04 ,  H02K3/30 ,  H02K15/10

摘要： A means for treating the end faces of a core which is used for an electrical apparatuses and etc., to give insulation extremely superior in effect of improvement of the insulation, corrosion resistance, adhesiveness, heat resistance, and magnetic properties at a low temperature in a short time without cleaning for removing punching oil, annealing, or other pre-treatment; a core having an insulation coating comprised of a dry film of a pure silicone polymer, modified silicone polymer, and/or mixed silicone polymer as a silicone compound on the core end faces and having an average film thickness of at least 0.5 μm, a breakdown voltage of at least 30V, and a heat resistance in the air of at least 400° C.; and a method of production comprised of forming a core, then dipping it in or spraying it by one or more types of a pure silicone polymer, modified silicone polymer, and/or mixed silicone polymer as an insulation coating.

公开(公告)号：US06432222B1

公开(公告)日：2002-08-13

申请号：US09873963

申请日：2001-06-04

申请人： Yoshifumi Ohata ,  Tomoji Kumano ,  Norikazu Fujii ,  Hisashi Mogi ,  Hitoshi Yokouchi ,  Norihiro Yamamoto

发明人： Yoshifumi Ohata ,  Tomoji Kumano ,  Norikazu Fujii ,  Hisashi Mogi ,  Hitoshi Yokouchi ,  Norihiro Yamamoto

IPC分类号： H01F1147

摘要： A method for producing a grain-oriented electrical steel sheet excellent in magnetic property, comprising the steps of; heating a slab containing a prescribed amount of Al to a temperature of 1,200° C. or higher, hot-rolling the slab into a hot-rolled strip, annealing the strip as required, cold-rolling it once or twice or more with intermediate annealing(s), and decarburization annealing the cold rolled sheet, and final box annealing after the application of an annealing separator to prevent strip sticking during the annealing, characterized by heating the slab to a temperature (slab heating temperature Ts (° C.)) higher than the complete solution temperature of substances having intensities as inhibitors and nitriding treating the decarburization annealed steel sheet before the commencement of secondary recrystallization during the final box annealing.

公开(公告)号：US20090126832A1

公开(公告)日：2009-05-21

申请号：US12227459

申请日：2007-05-23

申请人： Yoshiyuki Ushigami ,  Norikazu Fujii ,  Tomoji Kumano

发明人： Yoshiyuki Ushigami ,  Norikazu Fujii ,  Tomoji Kumano

IPC分类号： C23C8/26 ,  C21D3/04

CPC分类号： C21D8/12 ,  C21D8/1255 ,  C21D8/1261 ,  C21D9/46 ,  C23C8/26 ,  H01F1/14775 ,  H01F1/14791 ,  H01F1/16

摘要： In a production of grain-oriented electrical steel sheet that is heated at a temperature of not higher than 1350° C., (a) the hot-rolled sheet is heated to a prescribed temperature of 1000° C. to 1150° C., and after recrystallization is annealed for a required time at a lower temperature of 850° C. to 1100° C., or (b) in the hot-rolled sheet annealing process decarburization is conducted to adjust the difference in the amount of carbon before and after decarburization to 0.002 to 0.02 mass %. In the temperature elevation process used in the decarburization annealing of the steel sheet, heating is conducted in the temperature range of 550° C. to 720° C. at a heating rate of at least 40° C./s, preferably 75 to 125° C./s, utilizing induction heating for the rapid heating used in the temperature elevation process in decarburization annealing.

摘要翻译： 在不高于1350℃的温度下加热的方向性电磁钢板的制造中，（a）将该热轧板加热到1000℃〜1150℃的规定温度， 再结晶后，在850℃〜1100℃的较低温度下退火所需时间，或（b）在热轧板退火工艺中进行脱碳，调整碳前后的碳量差 脱碳后为0.002〜0.02质量％。 在钢板的脱碳退火中使用的升温处理中，以550℃〜720℃的温度范围进行加热，加热速度为40℃/ s以上，优选为75〜125℃ °C / s，利用感应加热用于脱碳退火中的升温过程中的快速加热。

公开(公告)号：US07976645B2

公开(公告)日：2011-07-12

申请号：US12227459

申请日：2007-05-23

申请人： Yoshiyuki Ushigami ,  Norikazu Fujii ,  Tomoji Kumano

发明人： Yoshiyuki Ushigami ,  Norikazu Fujii ,  Tomoji Kumano

IPC分类号： H01F1/147

CPC分类号： C21D8/12 ,  C21D8/1255 ,  C21D8/1261 ,  C21D9/46 ,  C23C8/26 ,  H01F1/14775 ,  H01F1/14791 ,  H01F1/16

摘要： In a production of grain-oriented electrical steel sheet that is heated at a temperature of not higher than 1350° C., (a) the hot-rolled sheet is heated to a prescribed temperature of 1000° C. to 1150° C., and after recrystallization is annealed for a required time at a lower temperature of 850° C. to 1100° C., or (b) in the hot-rolled sheet annealing process decarburization is conducted to adjust the difference in the amount of carbon before and after decarburization to 0.002 to 0.02 mass %. In the temperature elevation process used in the decarburization annealing of the steel sheet, heating is conducted in the temperature range of 550° C. to 720° C. at a heating rate of at least 40° C./s, preferably 75 to 125° C./s, utilizing induction heating for the rapid heating used in the temperature elevation process in decarburization annealing.

摘要翻译： 在不高于1350℃的温度下加热的方向性电磁钢板的制造中，（a）将该热轧板加热到1000℃〜1150℃的规定温度， 再结晶后，在850℃〜1100℃的较低温度下退火所需时间，或（b）在热轧板退火工艺中进行脱碳，调整碳前后的碳量差 脱碳后为0.002〜0.02质量％。 在钢板的脱碳退火中使用的升温处理中，以550℃〜720℃的温度范围进行加热，加热速度为40℃/ s以上，优选为75〜125℃ °C / s，利用感应加热用于脱碳退火中的升温过程中的快速加热。

公开(公告)号：US07833360B2

公开(公告)日：2010-11-16

申请号：US12224709

申请日：2007-01-12

申请人： Tomoji Kumano ,  Shyuichi Yamazaki ,  Osamu Tanaka

发明人： Tomoji Kumano ,  Shyuichi Yamazaki ,  Osamu Tanaka

IPC分类号： H01F1/147

CPC分类号： C23C8/02 ,  B21B3/02 ,  C21D8/12 ,  C21D8/1261 ,  C21D8/1272 ,  C21D9/46 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/20 ,  C23C8/26 ,  C23C8/80 ,  H01F1/14775

摘要： The invention provides a method of producing a grain-oriented electrical steel sheet of the complete solid solution nitrided type that is good in glass film formation and excellent in magnetic properties, which method comprises: C: 0.025 to 0.09%, hot-rolling the steel slab containing Si: 2.5 to 4.0% and acid-soluble Al into a hot-rolled steel strip; controlling the rate at which N contained in the hot-rolled steel strip is precipitated as AlN to a precipitation rate of 20% or less; conducting hot-rolled strip annealing and cold rolling conducting decarburization-annealing combined with primary recrystallization by during the former part of the process in an atmosphere whose PH2O/PH2 is 0.30 to 0.70 and then during the latter part thereof in an atmosphere whose PH2O/PH2 is 0.20 or less, thereby making the circular equivalent average grain diameter of the primary recrystallization grains 7 μm to less than 18 μm; nitriding the strip as it travels in a mixed gas of hydrogen, nitrogen and ammonia; controlling the steel strip oxygen concentration before secondary recrystallization annealing calculated based on strip thickness of 0.30 mm (oxygen content: So) to 450 ppm to 700 ppm inclusive; applying a coat of annealing separator; and then conducting secondary recrystallization annealing in an atmosphere that, while the temperature at the hottest coil outer periphery point is between room temperature and 950° C., is controlled to a nitrogen atmosphere containing oxygen: 25 to 75% wherein the balance is hydrogen and PH2O/PH2 is 0.01 to 0.15.

摘要翻译： 本发明提供了一种制备完全固溶氮化型的方向性电磁钢板的方法，该方法具有良好的玻璃成膜性和优异的磁性能，该方法包括：C：0.025〜0.09％，热轧钢 含有Si：2.5〜4.0％的板坯和酸溶性Al成为热轧带钢; 控制热轧钢带中所含的N作为AlN析出的析出速度为20％以下; 在前一部分工艺中，在PH2O / PH2为0.30〜0.70的气氛中进行热轧带退火和冷轧进行脱碳退火，再结合一次再结晶，然后在其后半部分，在PH2O / PH2 为0.20以下，从而使一次再结晶晶粒的圆周当量平均粒径为7μm〜小于18μm; 当条带在氢，氮和氨的混合气体中流动时氮化; 基于条带厚度为0.30mm（氧含量：So）计算出的二次再结晶退火前的钢带氧浓度为450ppm〜700ppm， 涂一层退火分离器; 然后在最热线圈外周点的温度在室温〜950℃之间的气氛中进行二次再结晶退火，控制在含有氧的氮气氛中：25〜75％，其中余量为氢， PH2O / PH2为0.01〜0.15。

公开(公告)号：US4543134A

公开(公告)日：1985-09-24

申请号：US667743

申请日：1984-11-02

申请人： Osamu Tanaka ,  Shozaburo Nakashima ,  Takashi Nagano ,  Tomoji Kumano ,  Yoshitaka Hiromae

发明人： Osamu Tanaka ,  Shozaburo Nakashima ,  Takashi Nagano ,  Tomoji Kumano ,  Yoshitaka Hiromae

IPC分类号： C23C22/00 ,  C21D1/68 ,  C21D1/70 ,  C21D8/12 ,  C21D9/46 ,  H01F1/16 ,  H01F1/18 ,  H01F1/04

CPC分类号： H01F1/18 ,  C21D1/70 ,  C21D8/1283 ,  C23D5/10

摘要： The present invention provides an annealing separator comprising from 0.05 to 2.0 parts by weight of antimony sulfate based on 100 parts by weight of magnesium oxide, and at least one chloride selected from the group consisting of Sb, Sr, Ti, and Zr chlorides in a chlorine amount of from 5 to 20% by weight based on 100% of the chloride and antimony sulfate, and occasionally comprises Ti oxide in an amount of from 0.5 to 10 parts.The annealing separator is applied on the decarburization annealed strip, and improves both the magnetic properties and properties of glass film, in the production of a grain-oriented electrical steel sheet.

摘要翻译： 本发明提供一种退火分离剂，其包含0.05至2.0重量份的硫酸锑，基于100重量份的氧化镁和至少一种选自Sb，Sr，Ti和Zr的氯化物，其中 氯量为5〜20重量％，基于氯化物和硫酸锑的100％，有时含有0.5〜10重量份的Ti氧化物。 在取向电工钢板的制造中，将退火分离剂涂布在脱碳退火带上，提高玻璃膜的磁特性和性能。

公开(公告)号：US5685920A

公开(公告)日：1997-11-11

申请号：US440276

申请日：1995-05-12

申请人： Osamu Tanaka ,  Maremizu Ishibashi ,  Tsuyoshi Hamaya ,  Tsutomu Haratani ,  Tomoji Kumano ,  Koji Yamasaki ,  Akira Sakaida ,  Chihiro Sakurai ,  Hotaka Honma

发明人： Osamu Tanaka ,  Maremizu Ishibashi ,  Tsuyoshi Hamaya ,  Tsutomu Haratani ,  Tomoji Kumano ,  Koji Yamasaki ,  Akira Sakaida ,  Chihiro Sakurai ,  Hotaka Honma

IPC分类号： C21D1/76 ,  C21D8/12 ,  H01F1/147 ,  H01F1/18

CPC分类号： H01F1/14783 ,  C21D8/1272 ,  C21D8/1283 ,  H01F1/18 ,  C21D1/76

摘要： Disclosed is an annealing separator for production for grain-oriented electrical steel sheet, containing one or more compound selected from the following general formula; �Mg.sub.1-x M.sup.3+.sub.x !O �Mg.sub.1-x M.sup.2+.sub.x !O or �Mg.sub.1-x M.sup.2+.sub.x1 M.sup.3+.sub.x2 !O where M.sup.2+ is at least one bivalent element selected from the group consisting of Be, Ca, Ba, Sr, Sn, Mn, Fe, Co, Ni, Cu, Zn; M.sup.3+ is at least one tervalent element selected from the group consisting of Al, Fe, Cr, Co, B, Ti, Sb; 0.01.ltoreq.x.ltoreq.0.40; x=x1+x2 This annealing separator having a lower melting point and higher degree of reactivity is applied on the decarburization annealed strip, and improves the properties of the glass film, especially uniform film appearance and good sealing effect, and magnetic properties.

摘要翻译： 公开了一种含有一种或多种选自以下通式的化合物的晶粒取向电工钢板的退火分离剂：[Mg1-xM3 + x] O [Mg1-xM2 + x] O或[Mg1-xM2 + x1M3 + x2]其中M2 +为选自Be，Ca，Ba，Sr，Sn，Mn，Fe，Co，Ni，Cu，Zn中的至少一种二价元素; M3 +是选自Al，Fe，Cr，Co，B，Ti，Sb中的至少一种三价元素;0.01≤x≤0.40; x = x1 + x2在脱碳退火带上施加具有较低熔点和较高反应性的退火分离剂，并且改善玻璃膜的性能，特别是膜的外观均匀，密封效果好，磁性能好。

公开(公告)号：US20090032142A1

公开(公告)日：2009-02-05

申请号：US12224709

申请日：2007-01-12

申请人： Tomoji Kumano ,  Shyuichi Yamazaki ,  Osamu Tanaka

发明人： Tomoji Kumano ,  Shyuichi Yamazaki ,  Osamu Tanaka

IPC分类号： C21D8/00

CPC分类号： C23C8/02 ,  B21B3/02 ,  C21D8/12 ,  C21D8/1261 ,  C21D8/1272 ,  C21D9/46 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/20 ,  C23C8/26 ,  C23C8/80 ,  H01F1/14775

摘要： The invention provides a method of producing a grain-oriented electrical steel sheet of the complete solid solution nitrided type that is good in glass film formation and excellent in magnetic properties, which method comprises: C: 0.025 to 0.09%, hot-rolling the steel slab containing Si: 2.5 to 4.0% and acid-soluble Al into a hot-rolled steel strip; controlling the rate at which N contained in the hot-rolled steel strip is precipitated as AlN to a precipitation rate of 20% or less; conducting hot-rolled strip annealing and cold rolling conducting decarburization-annealing combined with primary recrystallization by during the former part of the process in an atmosphere whose PH2O/PH2 is 0.30 to 0.70 and then during the latter part thereof in an atmosphere whose PH2O/PH2 is 0.20 or less, thereby making the circular equivalent average grain diameter of the primary recrystallization grains 7 μm to less than 18 μm; nitriding the strip as it travels in a mixed gas of hydrogen, nitrogen and ammonia; controlling the steel strip oxygen concentration before secondary recrystallization annealing calculated based on strip thickness of 0.30 mm (oxygen content: So) to 450 ppm to 700 ppm inclusive; applying a coat of annealing separator; and then conducting secondary recrystallization annealing in an atmosphere that, while the temperature at the hottest coil outer periphery point is between room temperature and 950° C., is controlled to a nitrogen atmosphere containing oxygen: 25 to 75% wherein the balance is hydrogen and PH2O/PH2 is 0.01 to 0.15.

摘要翻译： 本发明提供了一种制备完全固溶氮化型的方向性电磁钢板的方法，该方法具有良好的玻璃成膜性和优异的磁性能，该方法包括：C：0.025〜0.09％，热轧钢 含有Si：2.5〜4.0％的板坯和酸溶性Al成为热轧带钢; 控制热轧钢带中所含的N作为AlN析出的析出速度为20％以下; 在前一部分工艺中，在PH2O / PH2为0.30〜0.70的气氛中进行热轧带退火和冷轧进行脱碳退火，再结合一次再结晶，然后在其后半部分，在PH2O / PH2 为0.20以下，从而使一次再结晶晶粒的圆形当量平均粒径7μm至小于18μm; 当条带在氢，氮和氨的混合气体中流动时氮化; 基于条带厚度为0.30mm（氧含量：So）计算出的二次再结晶退火前的钢带氧浓度为450ppm〜700ppm， 涂一层退火分离器; 然后在最热线圈外周点的温度在室温〜950℃之间的气氛中进行二次再结晶退火，控制在含有氧的氮气氛中：25〜75％，其中余量为氢， PH2O / PH2为0.01〜0.15。