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1. 发明授权

US06762665B1 Magnet roller 有权
标题翻译：磁铁辊
公开(公告)号：US06762665B1
公开(公告)日：2004-07-13
申请号：US09868907
申请日：2001-07-09
申请人： Masaharu Iwai , Masami Hosokawa
发明人： Masaharu Iwai , Masami Hosokawa
IPC分类号： H01F702
CPC分类号： G03G15/0921 , H01F7/0268
摘要： The object is to provide a magnet roller whereby picture quality can be improved by raising the magnetic flux density of the specified magnetic pole and/or other magnetic poles, and wherein this magnetic pole pattern can be achieved with low cost. In a magnet roller (10) according to the invention that achieves this object, a plurality of magnet pieces (12, 14, 16, 18) are mounted at the periphery of a shaft (20) by joining at joining faces and peaks (32a, 34a, 36a, 38a) of magnetic poles (32, 34, 36, 38) are generated on the lines of extension of joining faces (13, 15, 17, 19) by setting the directions of orientation magnetization (22, 24, 26, 28) of adjacent magnet pieces (12, 14, 16, 18) facing the joining faces (13, 15, 17, 19), the respective joining faces (13, 15, 17, 19) of the plurality of magnet pieces (20) being provided along the roller radial directions.
摘要翻译：本发明的目的是提供一种磁辊，通过提高特定磁极和/或其它磁极的磁通密度可以提高图像质量，并且可以以低成本实现该磁极图案。在实现该目的的根据本发明的磁性辊（10）中，通过在接合面和峰（32a）处接合而在轴（20）的周围安装多个磁体片（12,14,16,18）通过设定取向磁化方向（22,24,38,39），在连接面（13,15,17,19）的延伸线上产生磁极（32,34,36,38）相对的磁体片（12,14,16,18）面对着接合面（13,15,17,19）的多个磁体片的各个接合面（13,15,17,19）（20）沿着辊径向设置。

2. 发明授权

US06788178B2 Magnet roller and process for preparing the same 有权
标题翻译：磁铁辊及其制备方法
公开(公告)号：US06788178B2
公开(公告)日：2004-09-07
申请号：US10464389
申请日：2003-06-18
申请人： Shingo Inase , Masami Hosokawa , Osamu Oshima , Masaharu Iwai
发明人： Shingo Inase , Masami Hosokawa , Osamu Oshima , Masaharu Iwai
IPC分类号： H01F702
CPC分类号： H01F41/0253 , Y10T29/49075 , Y10T29/49549
摘要： A process for preparing a magnet roller comprising a plurality of bar-like magnet pieces in a high working efficiency and in an improved adhesion accuracy, which comprises the steps of regulating the bonding position of at least two magnet pieces by their outer peripheral surfaces and their end surfaces, applying an adhesive from the inner surface side of the magnet pieces to the adhesion faces of the magnet pieces for bonding one magnet piece to another magnet piece to form a magnet block, and bonding and fixing the magnet block to a shaft. At least one of the adhesion faces which are in contact with each other may have a plurality of grooves to facilitate penetration of the adhesive into the interface of adjacent two magnet pieces.
摘要翻译：一种用于制备具有高工作效率和改进的粘合精度的多个棒状磁体片的磁辊的方法，其包括以下步骤：通过其外周表面调节至少两个磁体片的结合位置，从磁体片的内表面侧将粘合剂施加到磁片的粘合面上，用于将一个磁体片接合到另一个磁体片上，形成磁体块，并将磁体块粘结固定在轴上。彼此接触的粘合面中的至少一个可以具有多个槽，以便于粘合剂渗透到相邻的两个磁体片的界面中。

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