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    Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer
    1.
    发明申请
    Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer 有权
    电子照相树脂涂覆铁氧体载体，其制备方法和电子照相显影剂

    公开(公告)号：US20070231732A1

    公开(公告)日：2007-10-04

    申请号：US11729938

    申请日：2007-03-30

    申请人： Issei Shinmura ,  Kanao Kayamoto

    发明人： Issei Shinmura ,  Kanao Kayamoto

    IPC分类号： G03G9/113

    CPC分类号： G03G9/113 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1131

    摘要： There are adopted an electrophotographic resin-coated ferrite carrier having a carrier core coated with a resin, wherein a product of an apparent density ρ (g/cm3), average particle size d (μm) and BET specific surface area S (m2/g) of the carrier core satisfies the following condition, a method for producing the same, and an electrophotographic developer. 4.5≦ρ×d×S≦8.5 (20≦d≦45)

    摘要翻译： 采用具有涂覆有树脂的载体芯的电子照相树脂涂覆的铁氧体载体，其中表观密度rho（g / cm 3），平均粒径d（母体）和BET的产物 载体芯的比表面积S（m 2 / g / g）满足以下条件，其制造方法和电子照相显影剂。 <？in-line-formula description =“In-line Formulas”end =“lead”？> 4.5 <= rhoxdxS <= 8.5（20 <= d <= 45）<？in-line-formula description = 行公式“end =”tail“？>

    Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier
    3.
    发明授权
    Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier 有权
    用于电子照相显影剂的树脂涂覆铁氧体载体，其制备方法和使用树脂涂覆的铁氧体载体的电子照相显影剂

    公开(公告)号：US07824833B2

    公开(公告)日：2010-11-02

    申请号：US12095362

    申请日：2006-11-30

    申请人： Kanao Kayamoto ,  Issei Shinmura ,  Toshio Honjo

    发明人： Kanao Kayamoto ,  Issei Shinmura ,  Toshio Honjo

    IPC分类号： G03G9/107

    CPC分类号： G03G9/1075 ,  G03G9/1131 ,  G03G9/1136

    摘要： A spherical resin-coated ferrite carrier for an electrophotographic developer which can maintain a stable resistance and chargeability, a favorable charge rising property because of an excellent fluidity, and has a suitable durability, its production method which is excellent in economic efficiency and production stability, and an electrophotographic developer using the resin-coated ferrite carrier, are provided. A resin-coated ferrite carrier for an electrophotographic developer which is a spherical resin-coated ferrite carrier, wherein a carrier core material thereof has an irregular surface to improve the adhesive strength to a resin coat, and wherein the irregularity of the surface takes a finely streaked wrinkle pattern, its production method, and an electrophotographic developer using the resin-coated ferrite carrier, are employed.

    摘要翻译： 用于电子照相显影剂的球形树脂涂覆的铁氧体载体，其可以保持稳定的电阻和带电性，由于流动性优异的电荷上升性，并且具有合适的耐久性，其经济效率和生产稳定性优良的制造方法， 和使用树脂涂覆的铁氧体载体的电子照相显影剂。 一种用于电子照相显影剂的树脂涂覆的铁氧体载体，其为球形树脂涂覆的铁氧体载体，其中载体芯材具有不规则表面以提高对树脂涂层的粘合强度，并且其中表面的不规则性需要精细 条纹褶皱图案，其制造方法和使用树脂涂覆的铁氧体载体的电子照相显影剂。

    Carrier for electrophotographic developer and electrophotographic developer containing the same
    6.
    发明授权
    Carrier for electrophotographic developer and electrophotographic developer containing the same 有权
    用于电子照相显影剂的载体和含有它的电子照相显影剂

    公开(公告)号：US06582870B2

    公开(公告)日：2003-06-24

    申请号：US10045010

    申请日：2002-01-15

    申请人： Kanao Kayamoto ,  Issei Shinmura ,  Yuji Sato

    发明人： Kanao Kayamoto ,  Issei Shinmura ,  Yuji Sato

    IPC分类号： G03G910

    CPC分类号： G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1132

    摘要： A carrier for an electrophotographic developer comprising spherical magnetic core particles which have a volume average particle size of 25 to 45 &mgr;m, an average void size of 10 to 20 &mgr;m, a volume based particle size distribution having less than 1% of 22 &mgr;m or smaller particles, a magnetization of 67 to 88 emu/g in a magnetic field of 1 kOe, and a difference of 10 emu/g or smaller in magnetization in a magnetic field of 1 kOe between scattered particles and remaining particles.

    摘要翻译： 一种电子照相显影剂用载体，其包含体积平均粒径为25〜45μm，平均孔径为10〜20μm的球状磁性核颗粒，体积基准粒径分布小于22μm或更小的1％ 颗粒，在1kOe的磁场中的磁化强度为67至88emu / g，散射颗粒与剩余颗粒之间在1kOe的磁场中的磁化强度为10emu / g或更小。

    Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer
    8.
    发明授权
    Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer 有权
    电子照相树脂涂覆铁氧体载体，其制备方法和电子照相显影剂

    公开(公告)号：US07964330B2

    公开(公告)日：2011-06-21

    申请号：US11729938

    申请日：2007-03-30

    申请人： Issei Shinmura ,  Kanao Kayamoto

    发明人： Issei Shinmura ,  Kanao Kayamoto

    IPC分类号： G03G9/00

    CPC分类号： G03G9/113 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1131

    摘要： There are adopted an electrophotographic resin-coated ferrite carrier having a carrier core coated with a resin, wherein a product of an apparent density ρ (g/cm3), average particle size d (μm) and BET specific surface area S (m2/g) of the carrier core satisfies the following condition, a method for producing the same, and an electrophotographic developer. 4.5≦ρ×d×S≦8.5 (20≦d≦45)

    摘要翻译： 采用具有涂覆有树脂的载体芯的电子照相树脂涂覆的铁氧体载体，其中表观密度＆rgr; （g / cm 3），平均粒径d（μm）和BET比表面积S（m 2 / g）满足以下条件，其制造方法和电子照相显影剂。 4.5＆nlE;＆rgr;×d×S＆nlE; 8.5（20＆nlE; d＆nlE; 45）

    Method for producing core material of electrophotographic ferrite carrier and resin-coated ferrite carrier
    9.
    发明授权
    Method for producing core material of electrophotographic ferrite carrier and resin-coated ferrite carrier 有权
    电子照相铁氧体载体和树脂涂层铁氧体载体的芯材的制备方法

    公开(公告)号：US07897317B2

    公开(公告)日：2011-03-01

    申请号：US12034884

    申请日：2008-02-21

    申请人： Issei Shinmura ,  Kanao Kayamoto

    发明人： Issei Shinmura ,  Kanao Kayamoto

    IPC分类号： G03G9/087

    CPC分类号： G03G9/107 ,  G03G9/1075

    摘要： The present invention provides a method for producing a core material of an electrophotographic ferrite carrier, by charging a raw powder with an average particle size of 20 to 50 μm obtained by preparing raw materials for ferrite into a combustion flame along with a carrier gas for the raw powder, thermal-spraying the powder in atmospheric air to ferritize the powder, subsequently rapidly solidifying the thermal-sprayed particle, and sampling and collecting the particle, wherein the method satisfies the conditions comprising the following (1) to (3): (1) a mixture gas of propane and oxygen is used for the combustion flame for the thermal spraying, and a volumetric ratio of the propane to the oxygen is 1:3.5 to 6.0; (2) the carrier gas for the raw powder is air, nitrogen, oxygen or a mixture gas thereof, and the ratio (a/b) of a charged amount (a) of a raw powder (kg/hr) to a charged amount (b) of the carrier gas (kg/hr) for the raw powder is 4.8 or less; and (3) a flame flow velocity of the combustion flame is 65 to 125 m/sec.

    摘要翻译： 本发明提供一种电子照相铁氧体载体的芯材的制造方法，其中，将通过将铁素体原料制备成燃烧火焰的平均粒径为20〜50μm的原料粉末与用于 原料粉末，将粉末在大气中热喷涂以使粉末铁化，随后快速固化热喷涂颗粒，并对颗粒进行采样和收集，其中该方法满足包括以下（1）至（3）的条件：（ 1）丙烷和氧气的混合气体用于热喷涂的燃烧火焰，丙烷与氧气的体积比为1:3.5至6.0; （2）原料粉末的载气为空气，氮气，氧气或其混合气体，原料粉末的填充量（a）与填充量（kg / hr）的比例（a / b） （b）的原料粉末的载气（kg / hr）为4.8以下; 和（3）燃烧火焰的火焰流速为65〜125m / sec。

    RESIN-COATED FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, ITS PRODUCTION METHOD, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE RESIN-COATED FERRITE CARRIER
    10.
    发明申请
    RESIN-COATED FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, ITS PRODUCTION METHOD, AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE RESIN-COATED FERRITE CARRIER 有权
    用于电子显影开发商的树脂涂层铁素体载体，其生产方法和使用树脂涂覆的铁素体载体的电子显影开发

    公开(公告)号：US20090130587A1

    公开(公告)日：2009-05-21

    申请号：US12095362

    申请日：2006-11-30

    申请人： Kanao Kayamoto ,  Issei Shinmura ,  Toshio Honjo

    发明人： Kanao Kayamoto ,  Issei Shinmura ,  Toshio Honjo

    IPC分类号： G03G9/107 ,  G03G5/00

    CPC分类号： G03G9/1075 ,  G03G9/1131 ,  G03G9/1136

    摘要： A spherical resin-coated ferrite carrier for an electrophotographic developer which can maintain a stable resistance and chargeability, a favorable charge rising property because of an excellent fluidity, and has a suitable durability, its production method which is excellent in economic efficiency and production stability, and an electrophotographic developer using the resin-coated ferrite carrier, are provided. A resin-coated ferrite carrier for an electrophotographic developer which is a spherical resin-coated ferrite carrier, wherein a carrier core material thereof has an irregular surface to improve the adhesive strength to a resin coat, and wherein the irregularity of the surface takes a finely streaked wrinkle pattern, its production method, and an electrophotographic developer using the resin-coated ferrite carrier, are employed.

    摘要翻译： 用于电子照相显影剂的球形树脂涂覆的铁氧体载体，其可以保持稳定的电阻和带电性，由于流动性优异的电荷上升性，并且具有合适的耐久性，其经济效率和生产稳定性优良的制造方法， 和使用树脂涂覆的铁氧体载体的电子照相显影剂。 一种用于电子照相显影剂的树脂涂覆的铁氧体载体，其为球形树脂涂覆的铁氧体载体，其中载体芯材具有不规则表面以提高对树脂涂层的粘合强度，并且其中表面的不规则性需要精细 条纹褶皱图案，其制造方法和使用树脂涂覆的铁氧体载体的电子照相显影剂。