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1. 发明授权

US08882871B2 Alumina sintered body, abrasive grains, and grindstone 有权
标题翻译：氧化铝烧结体，磨粒和磨石
公开(公告)号：US08882871B2
公开(公告)日：2014-11-11
申请号：US13882609
申请日：2011-10-18
申请人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
发明人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
IPC分类号： B24D3/00 , B24D3/14 , C04B35/111 , C04B35/46 , C09K3/14 , C04B35/645 , C04B35/626 , B24D3/06 , B24D3/34
CPC分类号： B24D3/34 , B24D3/00 , B24D3/06 , C04B35/111 , C04B35/1115 , C04B35/6263 , C04B35/645 , C04B2235/3208 , C04B2235/3217 , C04B2235/3232 , C04B2235/3234 , C04B2235/3272 , C04B2235/3418 , C04B2235/3463 , C04B2235/3472 , C04B2235/3481 , C04B2235/349 , C04B2235/5436 , C04B2235/5445 , C04B2235/6021 , C04B2235/6022 , C04B2235/667 , C04B2235/77 , C04B2235/786 , C04B2235/85 , C04B2235/96 , C09K3/1418
摘要： Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein FeTiAlO5 grains exist in the grain boundary of the alumina grains and the mean grain size of the FeTiAlO5 grains is from 3.4 to 7.0 μm; and an abrasive grain and a grain stone using the alumina sintered compact.
摘要翻译：提供一种含有钛化合物和铁化合物的氧化铝烧结体，其中FeTiAlO5晶粒存在于氧化铝颗粒的晶界中，FeTiAlO5晶粒的平均晶粒尺寸为3.4至7.0μm; 以及使用氧化铝烧结体的磨粒和粒状石。

2. 发明申请

US20130305615A1 METHOD FOR PRODUCING ALUMINA SINTERED BODY, ALUMINA SINTERED BODY, ABRASIVE GRAINS, AND GRINDSTONE 有权
标题翻译：生产氧化铝烧结体，氧化铝烧结体，磨粒和磨石的方法
公开(公告)号：US20130305615A1
公开(公告)日：2013-11-21
申请号：US13882612
申请日：2011-10-18
申请人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
发明人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
IPC分类号： C09K3/14
CPC分类号： C09K3/14 , B24D3/06 , B82Y30/00 , C04B35/117 , C04B35/6263 , C04B35/62685 , C04B2235/3208 , C04B2235/3222 , C04B2235/3234 , C04B2235/3274 , C04B2235/3418 , C04B2235/3463 , C04B2235/349 , C04B2235/5436 , C04B2235/5445 , C04B2235/5454 , C04B2235/72 , C04B2235/77 , C04B2235/786 , C04B2235/85 , C04B2235/96
摘要： Provided are a method for producing an alumina sintered compact satisfying the following (1) and (2), which comprises mixing and sintering an ilmenite powder and an alumina powder; the alumina sintered compact obtained according to the production method; and an abrasive grain and a grain stone. (1) The total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass; (2) The total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass.
摘要翻译：提供一种满足以下（1）和（2）的氧化铝烧结体的制造方法，其包括将钛铁矿粉末和氧化铝粉末混合并烧结; 按照制造方法得到的氧化铝烧结体; 磨粒和颗粒石。（1）钛化合物的TiO 2当量含量，铁化合物的Fe 2 O 3当量含量和氧化铝含量的总量为98质量％以上。（2）钛化合物的TiO 2当量含量和铁化合物的Fe 2 O 3当量含量的总量为5〜13质量％。

3. 发明申请

US20050167534A1 Dry grinding system and dry grinding method 有权
标题翻译：干磨系统和干磨法
公开(公告)号：US20050167534A1
公开(公告)日：2005-08-04
申请号：US10686522
申请日：2003-10-16
申请人： Shinichiro Tomikawa , Hirokazu Miyazawa
发明人： Shinichiro Tomikawa , Hirokazu Miyazawa
IPC分类号： B02C17/18 , B02C23/14 , B07B9/00 , B07B9/02
CPC分类号： B07B9/02 , B02C17/185 , B02C23/14 , B07B9/00
摘要： The invention provides a dry grinding system including grinding means for dry-grinding a material to be ground; first classification means for classifying a ground product obtained through the grinding means, into fine powder having a relatively small average particle size and coarse powder having a relatively large average particle size; second classification means for further classifying the coarse powder obtained through the first classification means, into fine powder having a relatively small average particle size and coarse powder having a relatively large average particle size; and returning means for returning to the grinding means the coarse powder obtained through the second classification means. The invention enables production of a powder product having a desired average particle size at high efficiency.
摘要翻译：本发明提供了一种干磨系统，包括用于干磨待研磨材料的研磨装置; 用于将通过研磨装置获得的磨碎产品分类成具有相对较小平均粒径的细粉末和具有相对较大平均粒径的粗粉末的第一分级装置; 用于将通过第一分级装置获得的粗粉末进一步分级的具有相对较小平均粒径的细粉末和具有相对较大平均粒径的粗粉末的第二分类装置; 以及返回装置，用于将通过第二分级装置获得的粗粉末返回到研磨装置。本发明能够以高效率生产具有所需平均粒度的粉末产品。

4. 发明申请

US20100093909A1 ROUNDISH FUSED ALUMINA PARTICLES, PRODUCTION PROCESS THEREOF, AND RESIN COMPOSITION CONTAINING THE PARTICLES 审中-公开
标题翻译：圆形熔融氧化铝颗粒，其生产工艺及含有颗粒的树脂组合物
公开(公告)号：US20100093909A1
公开(公告)日：2010-04-15
申请号：US12636478
申请日：2009-12-11
申请人： HIROKAZU MIYAZAWA , SHINICHIRO TOMIKAWA
发明人： HIROKAZU MIYAZAWA , SHINICHIRO TOMIKAWA
IPC分类号： C08K3/22 , C01F7/02
CPC分类号： C01F7/023 , C01F7/02 , C01F7/027 , C01P2004/30 , C01P2004/32 , C01P2004/60 , C01P2004/61 , C01P2006/32 , C08K3/22 , Y10T428/2982 , C08L21/00
摘要： A roundish fused alumina particles having a mean particle size of 5 to 4,000 μm and a roundness of 0.85 or more, and a producing method thereof are provided. The method comprises removing edges of fused alumina particles by making the fused alumina particles collide with each other.
摘要翻译：提供平均粒度为5〜4000μm，圆度为0.85以上的圆形熔融氧化铝颗粒及其制造方法。该方法包括通过使熔融氧化铝颗粒相互碰撞来去除熔融氧化铝颗粒的边缘。

5. 发明授权

US07083130B2 Dry grinding system and dry grinding method 有权
标题翻译：干磨系统和干磨法
公开(公告)号：US07083130B2
公开(公告)日：2006-08-01
申请号：US10686522
申请日：2003-10-16
申请人： Shinichiro Tomikawa , Hirokazu Miyazawa
发明人： Shinichiro Tomikawa , Hirokazu Miyazawa
IPC分类号： B02C23/12 , B02C23/14
CPC分类号： B07B9/02 , B02C17/185 , B02C23/14 , B07B9/00
摘要： The invention provides a dry grinding system including grinding means for dry-grinding a material to be ground; first classification means for classifying a ground product obtained through the grinding means, into fine powder having a relatively small average particle size and coarse powder having a relatively large average particle size; second classification means for further classifying the coarse powder obtained through the first classification means, into fine powder having a relatively small average particle size and coarse powder having a relatively large average particle size; and returning means for returning to the grinding means the coarse powder obtained through the second classification means. The invention enables production of a powder product having a desired average particle size at high efficiency.
摘要翻译：本发明提供了一种干磨系统，包括用于干磨待研磨材料的研磨装置; 用于将通过研磨装置获得的磨碎产品分类成具有相对较小平均粒径的细粉末和具有相对较大平均粒径的粗粉末的第一分级装置; 用于将通过第一分级装置获得的粗粉末进一步分级的具有相对较小平均粒径的细粉末和具有相对较大平均粒径的粗粉末的第二分类装置; 以及返回装置，用于将通过第二分级装置获得的粗粉末返回到研磨装置。本发明能够以高效率生产具有所需平均粒度的粉末产品。

6. 发明授权

US08900337B2 Method for producing alumina sintered body, alumina sintered body, abrasive grains, and grindstone 有权
标题翻译：生产氧化铝烧结体，氧化铝烧结体，磨粒和磨石的方法
公开(公告)号：US08900337B2
公开(公告)日：2014-12-02
申请号：US13882612
申请日：2011-10-18
申请人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
发明人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
IPC分类号： B24D3/02 , C09C1/68 , C09K3/14 , B82Y30/00 , C04B35/117 , C04B35/626 , B24D3/06
CPC分类号： C09K3/14 , B24D3/06 , B82Y30/00 , C04B35/117 , C04B35/6263 , C04B35/62685 , C04B2235/3208 , C04B2235/3222 , C04B2235/3234 , C04B2235/3274 , C04B2235/3418 , C04B2235/3463 , C04B2235/349 , C04B2235/5436 , C04B2235/5445 , C04B2235/5454 , C04B2235/72 , C04B2235/77 , C04B2235/786 , C04B2235/85 , C04B2235/96
摘要： Provided are a method for producing an alumina sintered compact satisfying the following (1) and (2), which comprises mixing and sintering an ilmenite powder and an alumina powder; the alumina sintered compact obtained according to the production method; and an abrasive grain and a grain stone. (1) The total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass; (2) The total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass.
摘要翻译：提供一种满足以下（1）和（2）的氧化铝烧结体的制造方法，其包括将钛铁矿粉末和氧化铝粉末混合并烧结; 按照制造方法得到的氧化铝烧结体; 磨粒和颗粒石。（1）钛化合物的TiO 2当量含量，铁化合物的Fe 2 O 3当量含量和氧化铝含量的总量为98质量％以上。（2）钛化合物的TiO 2当量含量和铁化合物的Fe 2 O 3当量含量的总量为5〜13质量％。

7. 发明申请

US20130312336A1 ALUMINA SINTERED BODY, ABRASIVE GRAINS, AND GRINDSTONE 有权
标题翻译：氧化铝烧结体，磨粒和磨石
公开(公告)号：US20130312336A1
公开(公告)日：2013-11-28
申请号：US13882593
申请日：2011-10-18
申请人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
发明人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
IPC分类号： B24D3/04
CPC分类号： B24D3/04 , B24D3/00 , C04B35/111 , C04B35/1115 , C04B35/6263 , C04B35/645 , C04B2235/3208 , C04B2235/3217 , C04B2235/3232 , C04B2235/3234 , C04B2235/3272 , C04B2235/3418 , C04B2235/3463 , C04B2235/3472 , C04B2235/3481 , C04B2235/349 , C04B2235/5436 , C04B2235/5445 , C04B2235/6021 , C04B2235/6022 , C04B2235/667 , C04B2235/77 , C04B2235/786 , C04B2235/85 , C04B2235/96 , C09K3/1418
摘要： Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein the total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass, the total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass, and the ratio by mass of the TiO2-equivalent content of the titanium compound to the Fe2O3-equivalent content of the iron compound (TiO2/Fe2O3) is from 0.85/1.15 to 1.15/0.85; and an abrasive grain and a grain stone using the alumina sintered compact.
摘要翻译：提供一种含有钛化合物和铁化合物的氧化铝烧结体，其中钛化合物的TiO 2当量含量，铁化合物的Fe 2 O 3当量含量和氧化铝含量的总量为至少98质量％钛化合物的TiO 2当量含量和铁化合物的Fe 2 O 3当量含量的总量为5〜13质量％，钛化合物的TiO 2当量含量与铁化合物（TiO 2 / Fe 2 O 3）的Fe 2 O 3当量含量为0.85 / 1.15〜1.15 / 0.85; 以及使用氧化铝烧结体的磨粒和粒状石。

8. 发明申请

US20130305616A1 ALUMINA SINTERED BODY, ABRASIVE GRAINS, AND GRINDSTONE 有权
标题翻译：氧化铝烧结体，磨粒和磨石
公开(公告)号：US20130305616A1
公开(公告)日：2013-11-21
申请号：US13882609
申请日：2011-10-18
申请人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
发明人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
IPC分类号： B24D3/34
CPC分类号： B24D3/34 , B24D3/00 , B24D3/06 , C04B35/111 , C04B35/1115 , C04B35/6263 , C04B35/645 , C04B2235/3208 , C04B2235/3217 , C04B2235/3232 , C04B2235/3234 , C04B2235/3272 , C04B2235/3418 , C04B2235/3463 , C04B2235/3472 , C04B2235/3481 , C04B2235/349 , C04B2235/5436 , C04B2235/5445 , C04B2235/6021 , C04B2235/6022 , C04B2235/667 , C04B2235/77 , C04B2235/786 , C04B2235/85 , C04B2235/96 , C09K3/1418
摘要： Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein FeTiAlO5 grains exist in the grain boundary of the alumina grains and the mean grain size of the FeTiAlO5 grains is from 3.4 to 7.0 μm; and an abrasive grain and a grain stone using the alumina sintered compact.
摘要翻译：提供一种含有钛化合物和铁化合物的氧化铝烧结体，其中FeTiAlO5晶粒存在于氧化铝颗粒的晶界中，FeTiAlO5晶粒的平均晶粒尺寸为3.4-7.0μm; 以及使用氧化铝烧结体的磨粒和粒状石。

9. 发明申请

US20070183965A1 Roundish fused alumina particles, production process thereof, and resin composition containing the particles 有权
标题翻译：圆形熔融氧化铝颗粒，其制备方法和含有颗粒的树脂组合物
公开(公告)号：US20070183965A1
公开(公告)日：2007-08-09
申请号：US10591079
申请日：2005-03-15
申请人： Hirokazu Miyazawa , Shinichiro Tomikawa
发明人： Hirokazu Miyazawa , Shinichiro Tomikawa
IPC分类号： C01F7/02
CPC分类号： C01F7/023 , C01F7/02 , C01F7/027 , C01P2004/30 , C01P2004/32 , C01P2004/60 , C01P2004/61 , C01P2006/32 , C08K3/22 , Y10T428/2982 , C08L21/00
摘要： A roundish fused alumina particles having a mean particle size of 5 to 4,000 μm and a roundness of 0.85 or more, and a producing method thereof are provided. The method comprises removing edges of fused alumina particles by making the fused alumina particles collide with each other.
摘要翻译：提供平均粒径为5〜4000μm，圆度为0.85以上的圆形熔融氧化铝颗粒及其制造方法。该方法包括通过使熔融氧化铝颗粒相互碰撞来去除熔融氧化铝颗粒的边缘。

10. 发明授权

US08894730B2 Alumina sintered body, abrasive grains, and grindstone 有权
标题翻译：氧化铝烧结体，磨粒和磨石
公开(公告)号：US08894730B2
公开(公告)日：2014-11-25
申请号：US13882593
申请日：2011-10-18
申请人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
发明人： Shinichiro Tomikawa , Hirokazu Miyazawa , Takeshi Iemura
IPC分类号： B24D3/00 , B24D11/00 , B24D18/00 , C09K3/14 , C04B35/645 , C04B35/626 , C04B35/111 , B24D3/04
CPC分类号： B24D3/04 , B24D3/00 , C04B35/111 , C04B35/1115 , C04B35/6263 , C04B35/645 , C04B2235/3208 , C04B2235/3217 , C04B2235/3232 , C04B2235/3234 , C04B2235/3272 , C04B2235/3418 , C04B2235/3463 , C04B2235/3472 , C04B2235/3481 , C04B2235/349 , C04B2235/5436 , C04B2235/5445 , C04B2235/6021 , C04B2235/6022 , C04B2235/667 , C04B2235/77 , C04B2235/786 , C04B2235/85 , C04B2235/96 , C09K3/1418
摘要： Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein the total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass, the total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass, and the ratio by mass of the TiO2-equivalent content of the titanium compound to the Fe2O3-equivalent content of the iron compound (TiO2/Fe2O3) is from 0.85/1.15 to 1.15/0.85; and an abrasive grain and a grain stone using the alumina sintered compact.
摘要翻译：提供一种含有钛化合物和铁化合物的氧化铝烧结体，其中钛化合物的TiO 2当量含量，铁化合物的Fe 2 O 3当量含量和氧化铝含量的总量为至少98质量％钛化合物的TiO 2当量含量和铁化合物的Fe 2 O 3当量含量的总量为5〜13质量％，钛化合物的TiO 2当量含量与铁化合物（TiO 2 / Fe 2 O 3）的Fe 2 O 3当量含量为0.85 / 1.15〜1.15 / 0.85; 以及使用氧化铝烧结体的磨粒和粒状石。

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