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1. 发明授权

US07354621B2 Method for forming adhesive layer 有权
标题翻译：形成粘合剂层的方法
公开(公告)号：US07354621B2
公开(公告)日：2008-04-08
申请号：US10559435
申请日：2004-06-02
申请人： Osamu Itatani , Masato Sagawa
发明人： Osamu Itatani , Masato Sagawa
IPC分类号： B05D5/10 , B05D1/28
CPC分类号： B05D1/28 , B05C3/05 , B05C3/08 , B05C9/02 , B05D1/22 , B05D5/10 , B05D2258/00 , C09J7/38
摘要： In a method for forming an adhesive layer on the surface of a workpiece before the formation of a coating film containing a powder on the workpiece, the present invention provides a method for forming the adhesive layer having a desired thickness. This object is achieved by the following method: An adhesive layer formation medium m1 coated with an adhesive material is made to collide with a workpiece W so that the adhesive material is transferred from the adhesive layer formation medium m1 to the workpiece W and forms an adhesive layer on the workpiece. An adhesive layer having a desired thickness can be formed on the workpiece by regulating the thickness of the adhesive material applied to the surface of the adhesive layer formation medium (i.e. the amount of the adhesive material held by a single adhesive layer formation medium). This enables the thickness of the powder coating as the final product to be controlled as desired.
摘要翻译：在形成在工件上含有粉末的涂膜之前在工件表面上形成粘合剂层的方法中，本发明提供了形成具有所需厚度的粘合剂层的方法。该目的通过以下方法实现：使涂覆有粘合剂材料的粘合层形成介质m 1与工件W碰撞，使得粘合剂材料从粘合剂层形成介质m 1转移到工件W并形成工件上的粘合剂层。可以通过调节施加在粘合剂层形成介质的表面上的粘合剂材料的厚度（即，由单一的粘合剂层形成介质保持的粘合剂材料的量），在工件上形成具有所需厚度的粘合剂层。这使得根据需要可以控制作为最终产品的粉末涂料的厚度。

2. 发明申请

US20060134319A1 Adhesive layer forming method 有权
标题翻译：粘合层成型方法
公开(公告)号：US20060134319A1
公开(公告)日：2006-06-22
申请号：US10559435
申请日：2004-06-02
申请人： Osamu Itatani , Masato Sagawa
发明人： Osamu Itatani , Masato Sagawa
IPC分类号： B05D5/12
CPC分类号： B05D1/28 , B05C3/05 , B05C3/08 , B05C9/02 , B05D1/22 , B05D5/10 , B05D2258/00 , C09J7/38
摘要： In a method for forming an adhesive layer on the surface of a workpiece before the formation of a coating film containing a powder on the workpiece, the present invention provides a method for forming the adhesive layer having a desired thickness. This object is achieved by the following method: An adhesive layer formation medium m1 coated with an adhesive material is made to collide with a workpiece W so that the adhesive material is transferred from the adhesive layer formation medium m1 to the workpiece W and forms an adhesive layer on the workpiece. An adhesive layer having a desired thickness can be formed on the workpiece by regulating the thickness of the adhesive material applied to the surface of the adhesive layer formation medium (i.e. the amount of the adhesive material held by a single adhesive layer formation medium). This enables the thickness of the powder coating as the final product to be controlled as desired.
摘要翻译：在形成在工件上含有粉末的涂膜之前在工件表面上形成粘合剂层的方法中，本发明提供了形成具有所需厚度的粘合剂层的方法。该目的通过以下方法实现：使涂覆有粘合剂材料的粘合层形成介质m 1与工件W碰撞，使得粘合剂材料从粘合剂层形成介质m 1转移到工件W并形成工件上的粘合剂层。可以通过调节施加在粘合剂层形成介质的表面上的粘合剂材料的厚度（即，由单一的粘合剂层形成介质保持的粘合剂材料的量），在工件上形成具有所需厚度的粘合剂层。这使得根据需要可以控制作为最终产品的粉末涂料的厚度。

3. 发明授权

US08545641B2 Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy 有权
标题翻译：制造具有磁各向异性的烧结稀土类磁铁的方法和系统
公开(公告)号：US08545641B2
公开(公告)日：2013-10-01
申请号：US11630898
申请日：2005-06-30
申请人： Masato Sagawa , Hiroshi Nagata , Osamu Itatani
发明人： Masato Sagawa , Hiroshi Nagata , Osamu Itatani
IPC分类号： H01F1/057
CPC分类号： H01F41/0246 , B22F3/1021 , B22F2998/10 , C22C1/0433 , C22C33/0278 , C22C38/005 , C22C38/06 , C22C38/10 , C22C38/16 , H01F1/0557 , H01F1/0577 , H01F41/0273 , B22F2201/10 , B22F9/08 , B22F3/004 , B22F2202/01 , B22F3/005 , B22F2202/05 , B22F9/04
摘要： A method for manufacturing a sintered rare-earth magnet having a magnetic anisotropy, in which a very active powder having a small grain size can be safely used in a low-oxidized state. A fine powder as a material of the sintered rare-earth magnet having a magnetic anisotropy is loaded into a mold until its density reaches a predetermined level. Then, in a magnetic orientation section, the fine powder is oriented by a pulsed magnetic field. Subsequently, the fine powder is not compressed but immediately sintered in a sintering furnace. A multi-cavity mold for manufacturing a sintered rare-earth magnet having an industrially important shape, such as a plate magnet or an arched plate magnet, may be used.
摘要翻译：一种制造具有磁各向异性的稀土类烧结磁体的方法，其中可以在低氧化态下安全地使用具有小粒径的非常活泼的粉末。将作为具有磁各向异性的烧结稀土类磁铁的材料的细粉末装载到模具中，直到其密度达到预定水平。然后，在磁性取向部分中，细粉末通过脉冲磁场取向。随后，细粉末不被压缩，但在烧结炉中立即烧结。可以使用用于制造具有工业上重要形状的稀土类烧结磁体的多空腔模具，例如板状磁体或拱形板状磁体。

4. 发明申请

US20070245851A1 Method and System for Manufacturing Sintered Rare-Earth Magnet Having Magnetic Anisotropy 有权
标题翻译：制造具有磁各向异性的烧结稀土磁铁的方法和系统
公开(公告)号：US20070245851A1
公开(公告)日：2007-10-25
申请号：US11630898
申请日：2005-06-30
申请人： Masato Sagawa , Hiroshi Nagata , Osamu Itatani
发明人： Masato Sagawa , Hiroshi Nagata , Osamu Itatani
IPC分类号： B22F3/10 , B22F7/00
CPC分类号： H01F41/0246 , B22F3/1021 , B22F2998/10 , C22C1/0433 , C22C33/0278 , C22C38/005 , C22C38/06 , C22C38/10 , C22C38/16 , H01F1/0557 , H01F1/0577 , H01F41/0273 , B22F2201/10 , B22F9/08 , B22F3/004 , B22F2202/01 , B22F3/005 , B22F2202/05 , B22F9/04
摘要： To improve the performance of a rare-earth magnet, it is effective to use a low-oxidized powder having a small grain size. One objective of the present invention is to provide a method for manufacturing a sintered rare-earth magnet having a magnetic anisotropy, in which a very active powder having a small grain size can be safely used in a low-oxidized state. Another objective is to provide a method capable of efficiently manufacturing products having various shapes. In a weighing and loading section 41 and a high-density loading section 42, a fine powder as a material of the sintered rare-earth magnet having a magnetic anisotropy is loaded into a mold until its density reaches a predetermined level. Then, in a magnetic orientation section 43, the fine powder is oriented by a pulsed magnetic field. Subsequently, the fine powder is not compressed but immediately sintered in a sintering furnace 44. The present method enables the mass-producing machine to be simple in its operation and its housing to be accordingly smaller, so that it will be possible to eliminate the danger of oxidization or burning of the powder, which has been a serious problem for a conventional method that uses a large-scale die-pressing machine. Furthermore, the manufacturing efficiency can be improved by using a multi-cavity mold for manufacturing a sintered rare-earth magnet having an industrially important shape, such as a plate magnet or an arched plate magnet.
摘要翻译：为了提高稀土类磁铁的性能，使用粒径小的低氧化物粉末是有效的。本发明的一个目的是提供一种制造具有磁各向异性的稀土类烧结磁体的方法，其中可以在低氧化态下安全地使用具有小晶粒尺寸的非常活泼的粉末。另一个目标是提供能够有效地制造具有各种形状的产品的方法。在称重装载部41和高密度装载部42中，将作为具有磁各向异性的稀土类烧结磁体的材料的细粉末装载到模具中，直到其密度达到预定水平。然后，在磁取向部43中，细粉末通过脉冲磁场取向。随后，细粉末不被压缩，但在烧结炉44中立即烧结。本发明的方法使得批量生产机器的操作简单，并且壳体相应地更小，从而可以消除粉末的氧化或燃烧的危险，这对于常规的这是一个严重的问题使用大型压模机的方法。此外，通过使用多腔模具来制造具有工业上重要的形状的稀土类稀土磁体，例如板状磁铁或拱形磁体磁铁，可以提高制造效率。

5. 发明授权

US6113979A Powder coatings and methods for forming a coating using the same 失效
标题翻译：粉末涂料及其形成方法
公开(公告)号：US6113979A
公开(公告)日：2000-09-05
申请号：US143250
申请日：1998-08-28
申请人： Masato Sagawa , Osamu Itatani , Akira Fujiwara
发明人： Masato Sagawa , Osamu Itatani , Akira Fujiwara
IPC分类号： B05D1/06 , B05D7/00 , B05D7/24 , C09D5/03 , B05D1/36
CPC分类号： B05D7/54
摘要： The powder coating of the present invention was used for a method for forming coatings comprising the steps of making the powder coating adhere to an adhesive layer previously formed on the surface of a material to be coated, and then heating it, thereby forming a coating, comprising a resin particle containing a thermosetting resin, and a particle containing a curing agent.
摘要翻译：将本发明的粉末涂料用于形成涂层的方法，包括以下步骤：使粉末涂料粘附到预先形成在待涂覆材料的表面上的粘合剂层上，然后加热，从而形成涂层，包含含有热固性树脂的树脂颗粒和含有固化剂的颗粒。

6. 发明授权

US5449481A Method and apparatus for producing a powder compact 失效
标题翻译：用于生产粉末压块的方法和装置
公开(公告)号：US5449481A
公开(公告)日：1995-09-12
申请号：US155229
申请日：1993-11-22
申请人： Masato Sagawa , Hiroshi Nagata , Osamu Itatani
发明人： Masato Sagawa , Hiroshi Nagata , Osamu Itatani
IPC分类号： B22F3/02 , B22F3/12 , B30B11/00 , B30B11/02 , B30B11/08 , B30B15/02 , H01F41/02 , B29C43/02
CPC分类号： B30B11/02 , B22F3/1233 , B30B11/008 , B30B15/024 , H01F41/0266
摘要： Methods and apparatuses for producing a powder compacts are disclosed. A powder compaction apparatus includes a recess formed by die and a lower punch inserted into the die. The recess is loaded with rubber mold provided with a cavity shaped according to the desired configuration of the compact. Subsequently, the powder is packed in the cavity of the rubber mold, and an upper punch is placed on die to press the rubber mold with powder in the space formed by the die, the lower punch and the upper punch, thereby producing a powder compact.
摘要翻译：公开了制造粉末压块的方法和装置。粉末压实装置包括由模具形成的凹部和插入模具中的下冲头。凹部装有橡胶模具，该橡胶模具具有根据压块的所需构造形成的空腔。随后，将粉末填充在橡胶模具的空腔中，并且将上冲头放置在模具上以将粉末挤压在由模具，下冲头和上冲头形成的空间中，从而产生粉末压块。

7. 发明授权

US09884368B2 Applicator for grain boundary diffusion process 有权
公开(公告)号：US09884368B2
公开(公告)日：2018-02-06
申请号：US13643215
申请日：2011-04-26
申请人： Osamu Itatani , Masato Sagawa
发明人： Osamu Itatani , Masato Sagawa
IPC分类号： H01F1/01 , B22F3/24 , H01F41/02 , C23C10/28 , B22F7/04 , C22C33/02 , B41F15/08 , B41F15/26 , B41F15/36 , B41F15/46 , B22F3/00 , H01F1/057
CPC分类号： B22F3/24 , B22F3/008 , B22F7/04 , B41F15/0881 , B41F15/26 , B41F15/36 , B41F15/46 , C22C33/0278 , C23C10/28 , H01F1/0577 , H01F41/0293
摘要： An applicator for grain boundary diffusion process that uniformly applies an RH powder without excess or deficiency onto a predetermined surface of a sintered compact with a given thickness and in a given pattern, the applicator being automated and performed on many sintered compacts during the production of a NdFeB system sintered magnet. The applicator includes a work loader and a print head, located above the work loader. The work loader includes: a laterally movable base; a lift being vertically movable with respect to the base; a frame that is attachable to and detachable from the lift; a tray that is attachable to and detachable from the frame; a supporter provided on the upper surface of the tray; and a vertically movable magnetic clamp. The print head includes: a screen having a passage section; and a movable squeegee and a backward scraper that maintains contact with the upper screen surface.

8. 发明申请

US20130040050A1 APPLICATOR FOR GRAIN BOUNDARY DIFFUSION PROCESS 有权
标题翻译：颗粒边界扩散过程应用者
公开(公告)号：US20130040050A1
公开(公告)日：2013-02-14
申请号：US13643215
申请日：2011-04-26
申请人： Osamu Itatani , Masato Sagawa
发明人： Osamu Itatani , Masato Sagawa
IPC分类号： B05D5/00 , B05C13/02
CPC分类号： B22F3/24 , B22F3/008 , B22F7/04 , B41F15/0881 , B41F15/26 , B41F15/36 , B41F15/46 , C22C33/0278 , C23C10/28 , H01F1/0577 , H01F41/0293
摘要： An applicator for grain boundary diffusion process that uniformly applies an RH powder without excess or deficiency onto a predetermined surface of a sintered compact with a given thickness and in a given pattern, the applicator being automated and performed on many sintered compacts during the production of a NdFeB system sintered magnet. The applicator includes a work loader and a print head, located above the work loader. The work loader includes: a laterally movable base; a lift being vertically movable with respect to the base; a frame that is attachable to and detachable from the lift; a tray that is attachable to and detachable from the frame; a supporter provided on the upper surface of the tray; and a vertically movable magnetic clamp. The print head includes: a screen having a passage section; and a movable squeegee and a backward scraper that maintains contact with the upper screen surface.
摘要翻译：一种用于晶界扩散工艺的施加器，其将没有过量或不足的RH粉末均匀地施加到具有给定厚度的烧结体的预定表面上，并且在给定图案中，施加器在制造过程中在许多烧结体上自动化并执行钕铁硼系烧结磁体。涂抹器包括位于工作装载机上方的作业装载机和打印头。工作装载机包括：横向移动基座; 升降机可相对于基座垂直移动; 一个可从电梯上拆下的框架; 托架，其可附接到所述框架并且可从所述框架拆卸; 设置在托盘的上表面上的支撑件; 和可垂直移动的磁夹。打印头包括：具有通道部分的屏幕; 以及与上面的屏幕表面保持接触的可移动的刮板和后刮刀。

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