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1. 发明授权

US07622010B2 Method and apparatus for producing granulated powder of rare earth alloy and method for producing rare earth alloy sintered compact 有权
标题翻译：制造稀土合金粉粒的方法和装置及稀土合金烧结体的制造方法
公开(公告)号：US07622010B2
公开(公告)日：2009-11-24
申请号：US10497058
申请日：2002-11-27
申请人： Futoshi Kuniyoshi , Tomoiku Otani
发明人： Futoshi Kuniyoshi , Tomoiku Otani
IPC分类号： H01F1/06
CPC分类号： H01F1/0577 , B01J2/16 , B22F1/0096 , B22F2998/00 , B22F2998/10 , H01F1/053 , H01F1/0571 , H01F41/0273 , C22C1/0441 , B22F2202/05 , B22F3/12
摘要： A method of making a rare-earth alloy granulated powder according to the present invention includes the steps of: preparing a rare-earth alloy powder; generating remanent magnetization in the powder; and granulating the powder by utilizing agglomeration force produced by the remanent magnetization of the powder. Since the agglomeration force produced by the remanent magnetization is utilized, the addition of a granulating agent may be omitted.
摘要翻译：制造本发明的稀土类合金造粒粉末的方法包括以下步骤：制备稀土合金粉末; 在粉末中产生剩磁; 并通过利用由粉末的剩余磁化产生的附聚力对粉末进行造粒。由于利用由剩余磁化产生的附聚力，因此可以省略添加造粒剂。

2. 发明授权

US07931756B2 Method and machine of making rare-earth alloy granulated powder and method of making rare-earth alloy sintered body 有权
标题翻译：制造稀土合金造粒粉的方法和机器及制备稀土合金烧结体的方法
公开(公告)号：US07931756B2
公开(公告)日：2011-04-26
申请号：US12573374
申请日：2009-10-05
申请人： Futoshi Kuniyoshi , Tomoiku Otani
发明人： Futoshi Kuniyoshi , Tomoiku Otani
IPC分类号： H01F1/04 , H01F1/053
CPC分类号： H01F1/0577 , B01J2/16 , B22F1/0096 , B22F2998/00 , B22F2998/10 , H01F1/053 , H01F1/0571 , H01F41/0273 , C22C1/0441 , B22F2202/05 , B22F3/12
摘要： A method of making a rare-earth alloy granulated powder according to the present invention includes the steps of: preparing a rare-earth alloy powder; generating remnant magnetization in the powder; and granulating the powder by utilizing agglomeration force produced by the remnant magnetization of the powder. Since the agglomeration force produced by the remnant magnetization is utilized, the addition of a granulating agent may be omitted.
摘要翻译：制造本发明的稀土类合金造粒粉末的方法包括以下步骤：制备稀土合金粉末; 在粉末中产生残余磁化; 并通过利用由粉末的剩余磁化产生的附聚力来粉碎粉末。由于利用由剩余磁化产生的附聚力，可以省略添加造粒剂。

3. 发明申请

US20100021335A1 METHOD AND MACHINE OF MAKING RARE-EARTH ALLOY GRANULATED POWDER AND METHOD OF MAKING RARE-EARTH ALLOY SINTERED BODY 有权
标题翻译：制备稀土合金粉末的方法和机器及制备稀土合金烧结体的方法
公开(公告)号：US20100021335A1
公开(公告)日：2010-01-28
申请号：US12573374
申请日：2009-10-05
申请人： Futoshi KUNIYOSHI , Tomoiku OTANI
发明人： Futoshi KUNIYOSHI , Tomoiku OTANI
IPC分类号： B22F3/16 , B22F1/00 , B22F9/00
CPC分类号： H01F1/0577 , B01J2/16 , B22F1/0096 , B22F2998/00 , B22F2998/10 , H01F1/053 , H01F1/0571 , H01F41/0273 , C22C1/0441 , B22F2202/05 , B22F3/12
摘要： A method of making a rare-earth alloy granulated powder according to the present invention includes the steps of: preparing a rare-earth alloy powder; generating remnant magnetization in the powder; and granulating the powder by utilizing agglomeration force produced by the remnant magnetization of the powder. Since the agglomeration force produced by the remnant magnetization is utilized, the addition of a granulating agent may be omitted.
摘要翻译：制造本发明的稀土类合金造粒粉末的方法包括以下步骤：制备稀土合金粉末; 在粉末中产生残余磁化; 并通过利用由粉末的剩余磁化产生的附聚力来粉碎粉末。由于利用由剩余磁化产生的附聚力，可以省略添加造粒剂。

4. 发明申请

US20080124567A1 Corrosion-resistant rare earth metal-based permanent magnet 审中-公开
标题翻译：耐腐蚀稀土金属基永磁体
公开(公告)号：US20080124567A1
公开(公告)日：2008-05-29
申请号：US12005391
申请日：2007-12-27
申请人： Kohshi Yoshimura , Tomoiku Otani
发明人： Kohshi Yoshimura , Tomoiku Otani
IPC分类号： H01F1/00 , B05D5/00
CPC分类号： H01F1/0577 , B05C3/09 , B05C13/02 , C23C2/04 , C23C2/26 , C23C24/08 , C23C24/10 , C23C26/00 , C23C26/02 , H01F1/0578 , H01F1/059 , H01F41/026 , Y02T50/6765 , Y10T428/12063 , Y10T428/12465 , Y10T428/325
摘要： The objectives of the present invention are to provide a stable and simple method for producing a rare earth metal-based permanent magnet having on the surface thereof a corrosion-resistant film containing fine zinc particles dispersed therein, a corrosion-resistant rare earth metal-based permanent magnet produced by the method, a dip spin coating method being suitable for forming a coating film on thin type work pieces having various shapes, and a method for forming a coating film on a work piece. A method for producing a corrosion-resistant rare earth metal-based permanent magnet of the present invention, characterized in that it comprises providing an aqueous treating fluid, which contains a hydrolysis polymerization product of alkyl silicate and fine zinc particles having an average particle diameter of 1 μm to 50 μm and has a pH value of 6 to 8 and a viscosity of 1000 cP or less, applying the fluid on the surface of a rare earth metal-based permanent magnet, and subjecting the resultant magnet to a heat treatment at 250° C. to 400° C., to thereby form a corrosion-resistant film containing fine zinc particles dispersed therein.
摘要翻译：本发明的目的是提供一种用于制造稀土金属基永磁体的稳定和简单的方法，其表面上具有分散在其中的细锌颗粒的耐腐蚀膜，耐腐蚀性稀土金属基永久磁铁通过该方法制造的永磁体，适用于在各种形状的薄型工件上形成涂膜的浸渍旋涂法，以及在工件上形成涂膜的方法。本发明的耐腐蚀性稀土金属类永久磁铁的制造方法，其特征在于，提供一种含水处理液，其含有烷基硅酸酯的水解聚合产物和平均粒径为 1〜50μm，pH值为6〜8，粘度为1000cP以下，将稀土类金属系永久磁铁的表面施加流体，对所得磁体进行250次热处理 ℃至400℃，从而形成含有分散在其中的细锌粒子的耐腐蚀膜。

5. 发明授权

US07335392B2 Method for producing corrosion-resistant rare earth metal-based permanent magnet 有权
标题翻译：生产耐腐蚀稀土金属基永磁体的方法
公开(公告)号：US07335392B2
公开(公告)日：2008-02-26
申请号：US10511598
申请日：2003-11-28
申请人： Kohshi Yoshimura , Tomoiku Otani
发明人： Kohshi Yoshimura , Tomoiku Otani
IPC分类号： B05D5/12
CPC分类号： H01F1/0577 , B05C3/09 , B05C13/02 , C23C2/04 , C23C2/26 , C23C24/08 , C23C24/10 , C23C26/00 , C23C26/02 , H01F1/0578 , H01F1/059 , H01F41/026 , Y10T428/12063 , Y10T428/12465 , Y10T428/325
摘要： The objectives of the present invention are to provide a stable and simple method for producing a rare earth metal-based permanent magnet having on the surface thereof a corrosion-resistant film containing fine zinc particles dispersed therein, a corrosion-resistant rare earth metal-based permanent magnet produced by the method, a dip spin coating method being suitable for forming a coating film on thin type work pieces having various shapes, and a method for forming a coating film on a work piece. A method for producing a corrosion-resistant rare earth metal-based permanent magnet of the present invention, characterized in that it comprises providing an aqueous treating fluid, which contains a hydrolysis polymerization product of alkyl silicate and fine zinc particles having an average particle diameter of 1 μm to 50 μm and has a pH value of 6 to 8 and a viscosity of 1000 cP or less, applying the fluid on the surface of a rare earth metal-based permanent magnet, and subjecting the resultant magnet to a heat treatment at 250° C. to 400° C., to thereby form a corrosion-resistant film containing fine zinc particles dispersed therein.
摘要翻译：本发明的目的是提供一种用于制造稀土金属基永磁体的稳定和简单的方法，其表面上具有分散在其中的细锌颗粒的耐腐蚀膜，耐腐蚀性稀土金属基永久磁铁通过该方法制造的永磁体，适用于在各种形状的薄型工件上形成涂膜的浸渍旋涂法，以及在工件上形成涂膜的方法。本发明的耐腐蚀性稀土金属类永久磁铁的制造方法，其特征在于，提供一种含水处理液，其含有烷基硅酸酯的水解聚合产物和平均粒径为 1〜50μm，pH值为6〜8，粘度为1000cP以下，将稀土类金属系永久磁铁的表面施加流体，对所得磁体进行250次热处理 ℃至400℃，从而形成含有分散在其中的细锌粒子的耐腐蚀膜。

6. 发明申请

US20050233068A1 Method for producing corrosion-resistant rare earth based permanent magnet, corrosion-resistant rare earth based permanent magnet, dip spin coating method for work piece, and method for forming coating film on work piece 有权
标题翻译：耐腐蚀稀土永磁体的制造方法，耐腐蚀性稀土类永久磁铁，工件浸渍旋涂法及在工件上形成涂膜的方法
公开(公告)号：US20050233068A1
公开(公告)日：2005-10-20
申请号：US10511598
申请日：2003-11-28
申请人： Kohshi Yoshimura , Tomoiku Otani
发明人： Kohshi Yoshimura , Tomoiku Otani
IPC分类号： B05C3/09 , B05C13/02 , C23C2/04 , C23C2/26 , C23C24/08 , C23C24/10 , C23C26/00 , C23C26/02 , H01F41/02 , H01F1/053
CPC分类号： H01F1/0577 , B05C3/09 , B05C13/02 , C23C2/04 , C23C2/26 , C23C24/08 , C23C24/10 , C23C26/00 , C23C26/02 , H01F1/0578 , H01F1/059 , H01F41/026 , Y10T428/12063 , Y10T428/12465 , Y10T428/325
摘要： The objectives of the present invention are to provide a stable and simple method for producing a rare earth metal-based permanent magnet having on the surface thereof a corrosion-resistant film containing fine zinc particles dispersed therein, a corrosion-resistant rare earth metal-based permanent magnet produced by the method, a dip spin coating method being suitable for forming a coating film on thin type work pieces having various shapes, and a method for forming a coating film on a work piece. A method for producing a corrosion-resistant rare earth metal-based permanent magnet of the present invention, characterized in that it comprises providing an aqueous treating fluid, which contains a hydrolysis polymerization product of alkyl silicate and fine zinc particles having an average particle diameter of 1 μm to 50 μm and has a pH value of 6 to 8 and a viscosity of 1000 cP or less, applying the fluid on the surface of a rare earth metal-based permanent magnet, and subjecting the resultant magnet to a heat treatment at 250° C. to 400° C., to thereby form a corrosion-resistant film containing fine zinc particles dispersed therein.
摘要翻译：本发明的目的是提供一种用于制造稀土金属基永磁体的稳定和简单的方法，其表面上具有分散在其中的细锌颗粒的耐腐蚀膜，耐腐蚀性稀土金属基永久磁铁通过该方法制造的永磁体，适用于在各种形状的薄型工件上形成涂膜的浸渍旋涂法，以及在工件上形成涂膜的方法。本发明的耐腐蚀性稀土金属类永久磁铁的制造方法，其特征在于，提供一种含水处理液，其含有烷基硅酸酯的水解聚合产物和平均粒径为 1〜50μm，pH值为6〜8，粘度为1000cP以下，将稀土类金属系永久磁铁的表面施加流体，对所得磁体进行250次热处理 ℃至400℃，从而形成含有分散在其中的细锌粒子的耐腐蚀膜。

7. 发明申请

US20050006005A1 Method and apparatus for producing granulated powder of rare earth alloy and method for producing rare earth alloy sintered compact 有权
标题翻译：制造稀土合金粉粒的方法和装置及稀土合金烧结体的制造方法
公开(公告)号：US20050006005A1
公开(公告)日：2005-01-13
申请号：US10497058
申请日：2002-11-27
申请人： Futoshi Kuniyoshi , Tomoiku Otani
发明人： Futoshi Kuniyoshi , Tomoiku Otani
IPC分类号： B01J2/16 , B22F1/00 , H01F1/053 , H01F1/057 , H01F41/02 , H01F1/08
CPC分类号： H01F1/0577 , B01J2/16 , B22F1/0096 , B22F2998/00 , B22F2998/10 , H01F1/053 , H01F1/0571 , H01F41/0273 , C22C1/0441 , B22F2202/05 , B22F3/12
摘要： A method of making a rare-earth alloy granulated powder according to the present invention includes the steps of: preparing a rare-earth alloy powder; generating remanent magnetization in the powder; and granulating the powder by utilizing agglomeration force produced by the remanent magnetization of the powder. Since the agglomeration force produced by the remanent magnetization is utilized, the addition of a granulating agent may be omitted.
摘要翻译：制造本发明的稀土类合金造粒粉末的方法包括以下步骤：制备稀土合金粉末; 在粉末中产生剩磁; 并通过利用由粉末的剩余磁化产生的附聚力对粉末进行造粒。由于利用由剩余磁化产生的附聚力，因此可以省略添加造粒剂。

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