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公开(公告)号：US5262267A
公开(公告)日：1993-11-16
申请号：US848659
申请日：1992-03-09
申请人： Tsuyoshi Takiguchi , Tetsuya Kuribayashi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa , Eiichi Imai
发明人： Tsuyoshi Takiguchi , Tetsuya Kuribayashi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa , Eiichi Imai
CPC分类号： G03G13/09 , G03G9/0819 , G03G9/0821 , G03G9/0823 , G03G9/0837 , G03G9/0838 , G03G9/097
摘要： A magnetic developer for developing an electrostatic latent image, including hydrophobic silica fine powder and an insulating magnetic toner comprising at least a binder resin and a magnetic material comprising spherical magnetic particles; wherein 0.16 to 1.6 wt. parts of the hydrophobic silica fine powder is mixed with 100 wt. parts of the insulating magnetic toner; the developer contains 17-60% by number of magnetic toner particles having a particle size of 5 microns or smaller, 5-50% by number of magnetic toner particles having a particle size of 6.35-10.08 microns, and 2.0% by volume or less of magnetic toner particles having a particle size of 12.7 microns or larger.
摘要翻译： 一种用于显影静电潜像的磁性显影剂，包括疏水性二氧化硅细粉末和至少包含粘合剂树脂和包含球形磁性颗粒的磁性材料的绝缘磁性调色剂; 其中0.16至1.6wt。 将疏水性二氧化硅细粉末的一部分与100重量％ 部分绝缘磁性调色剂; 显影剂含有17-60个数量的粒径为5微米或更小的磁性调色剂颗粒，5-50个数量的粒径为6.35-10.08微米的磁性调色剂颗粒和2.0体积％以下的 的粒径为12.7微米或更大的磁性调色剂颗粒。
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2.发明授权Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images 失效图像形成装置单元传真装置和显影剂，其包括用于显影静电图像的疏水性二氧化硅细粉末
公开(公告)号：US5307122A
公开(公告)日：1994-04-26
申请号：US558097
申请日：1990-07-26
申请人： Manabu Ohno , Hisayuki Ochi , Tetsuhito Kuwashima , Hiroyuki Suematsu , Eiichi Imai , Tsuyoshi Takiguchi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa
发明人： Manabu Ohno , Hisayuki Ochi , Tetsuhito Kuwashima , Hiroyuki Suematsu , Eiichi Imai , Tsuyoshi Takiguchi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa
IPC分类号： G03G15/02 , G03G9/08 , G03G9/083 , G03G9/087 , G03G9/097 , G03G13/02 , G03G13/09 , G03G15/08 , H04N1/29
CPC分类号： G03G9/0819 , G03G13/025 , G03G13/09 , G03G9/0821 , G03G9/0836 , G03G9/08726 , G03G9/08733 , G03G9/08791 , G03G9/09716 , G03G2215/021 , G03G2221/183 , G03G9/08795
摘要： An image forming apparatus includes a member to be charged for carrying an electrostatic image, a contact-charging means for charging the member to be charged in contact with the member to be charged, and a developing means for developing the electrostatic image carried on the member to be charged. The developing means includes a developer for developing the electrostatic image comprising a toner and hydrophobic inorganic fine powder. The hydrophobic inorganic fine powder not only improves the fluidity of the developer and adjusts the chargeability of the developer but also prevents difficulties due to interaction between the member to be charged and the contact charging means in the presence of residual developer, such as damages of the member to be charged and toner-sticking onto the member to be charged.
摘要翻译： 图像形成装置包括被充电以承载静电图像的构件;接触充电装置，用于对被充电构件进行充电;与显影装置，用于使被构件上承载的静电图像显影; 待充电。 显影装置包括用于使包含调色剂和疏水性无机细粉末的静电图像显影的显影剂。 疏水性无机细粉不仅提高显影剂的流动性，而且可以调节显影剂的带电性，而且还可以防止在残留显影剂存在下被充电元件与接触充电装置之间的相互作用造成的困难，例如 要充电的部件和墨粉粘在要充电的部件上。
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3.发明授权
公开(公告)号：US5210617A
公开(公告)日：1993-05-11
申请号：US894579
申请日：1992-06-05
CPC分类号： G03G9/0827 , G03G9/0823 , G03G9/097
摘要： A developer for developing electrostatic latent images is constituted by a toner, and negatively chargeable spherical resin particles having an average particle size of 0.03-1.0 micron and a volume resistivity of 10.sup.6 -10.sup.12 ohm.cm. The toner may comprise toner particles and hydrophobic inorganic fine powder, which is generally used in a larger amount than the negatively chargeable spherical resin particles. The negatively chargeable spherical resin particles function to provide a toner image which is faithful to an electrostatic latent image formed on a photosensitive member while preventing toner-sticking onto the photosensitive member preferably in combination with a contact-charging means for charging the photosensitive member.
摘要翻译： 用于显影静电潜像的显影剂由调色剂和平均粒度为0.03-1.0微米，体积电阻率为106-1012欧姆·厘米的带负电荷的球形树脂颗粒构成。 调色剂可以包含调色剂颗粒和疏水性无机细粉末，其通常以比带负电荷的球形树脂颗粒更大的量使用。 带负电荷的球形树脂颗粒的作用是提供一种调色剂图像，其忠实于形成在感光构件上的静电潜像，同时防止调色剂粘附到感光构件上，优选与用于对感光构件充电的接触充电装置组合。
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4.发明授权
公开(公告)号：US5139914A
公开(公告)日：1992-08-18
申请号：US557757
申请日：1990-07-26
CPC分类号： G03G9/097 , G03G9/0823 , G03G9/0827
摘要： A developer for developing electrostatic latent images is constituted by a toner, and negatively chargeable spherical resin particles having an average particle size of 0.03-1.0 micron and a volume resistivity of 10.sup.6 -10.sup.12 ohm.cm. The toner may comprise toner particles and hydrophobic inorganic fine powder, which is generally used in a larger amount than the negatively charageable spherical resin particles. The negatively chargeable spherical resin particles function to provide a toner image which is faithful to an electrostatic latent image formed on a photosensitive member while preventing toner-sticking onto the photosensitive member preferably in combination with a contact-charging means for charging the photosensitive member.
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5.发明授权
公开(公告)号：US5802428A
公开(公告)日：1998-09-01
申请号：US423709
申请日：1995-04-18
申请人： Manabu Ohno , Hisayuki Ochi , Tetsuhito Kuwashima , Hiroyuki Suematsu , Eiichi Imai , Tsuyoshi Takiguchi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa
发明人： Manabu Ohno , Hisayuki Ochi , Tetsuhito Kuwashima , Hiroyuki Suematsu , Eiichi Imai , Tsuyoshi Takiguchi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa
IPC分类号： G03G15/02 , G03G9/08 , G03G9/083 , G03G9/087 , G03G9/097 , G03G13/02 , G03G13/09 , G03G15/08 , H04N1/29 , G03G15/06
CPC分类号： G03G9/0819 , G03G13/025 , G03G13/09 , G03G9/0821 , G03G9/0836 , G03G9/08726 , G03G9/08733 , G03G9/08791 , G03G9/09716 , G03G2215/021 , G03G2221/183 , G03G9/08795
摘要： An image forming apparatus includes a member to be charged for carrying an electrostatic latent image; a contact charging means for contact charging the member to be charged and a developing means for developing the latent image. The developing means includes a developer having a magnetic toner and fine powder treated with a silicone oil or varnish-treating agent, wherein the magnetic toner particles include a binder resin and contain from 10-70 wt. % of magnetic fine powder. An image forming method includes the steps of contact charging, latent image forming and developing with a developer having the binder resin, 10 to 70 wt. % magnetic fine powder and fine powder treated with a silicone oil or varnish-treating agent.
摘要翻译： 图像形成装置包括用于承载静电潜像的被充电部件; 接触充电装置，用于对要充电的构件进行接触充电;以及显影装置，用于显影潜像。 显影装置包括具有磁性调色剂和用硅油或清漆处理剂处理的细粉末的显影剂，其中磁性调色剂颗粒包括粘合剂树脂，并含有10-70wt。 ％的磁性细粉。 图像形成方法包括以下步骤：用具有粘合剂树脂的显影剂进行接触充电，潜像形成和显影，10至70wt。 ％磁性细粉末和用硅油或清漆处理剂处理的细粉末。
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公开(公告)号：US5137796A
公开(公告)日：1992-08-11
申请号：US514513
申请日：1990-04-25
申请人： Tsuyoshi Takiguchi , Tetsuya Kuribayashi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa , Eiichi Imai
发明人： Tsuyoshi Takiguchi , Tetsuya Kuribayashi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa , Eiichi Imai
CPC分类号： G03G9/0821 , G03G13/09 , G03G9/0819 , G03G9/0823 , G03G9/0837 , G03G9/0838 , G03G9/097 , Y10S430/104
摘要： A magnetic developer for developing an electrostatic latent image, including hydrophobic silica fine powder and an insulating magnetic toner comprising at least a binder resin and a magnetic material comprising spherical magnetic particles; wherein 0.16 to 1.6 wt. parts of the hydrophobic silica fine powder is mixed with 100 wt. parts of the insulating magnetic toner; the developer contains 17-60% by number of magnetic toner particles having a particles size of 5 microns of smaller, 5-50% by number of magnetic toner particles having a particle size of 6.35-10.08 microns, and 2.0% by volume or less of magnetic toner particles having a particle size of 12.7 microns or larger.
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7.发明授权
公开(公告)号：US5534981A
公开(公告)日：1996-07-09
申请号：US108798
申请日：1993-08-19
申请人： Manabu Ohno , Hisayuki Ochi , Tetsuhito Kuwashima , Hiroyuki Suematsu , Eiichi Imai , Tsuyoshi Takiguchi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa
发明人： Manabu Ohno , Hisayuki Ochi , Tetsuhito Kuwashima , Hiroyuki Suematsu , Eiichi Imai , Tsuyoshi Takiguchi , Koichi Tomiyama , Tsutomu Kukimoto , Hiroshi Yusa
IPC分类号： G03G15/02 , G03G9/08 , G03G9/083 , G03G9/087 , G03G9/097 , G03G13/02 , G03G13/09 , G03G15/08 , H04N1/29
CPC分类号： G03G9/0819 , G03G13/025 , G03G13/09 , G03G9/0821 , G03G9/0836 , G03G9/08726 , G03G9/08733 , G03G9/08791 , G03G9/09716 , G03G2215/021 , G03G2221/183 , G03G9/08795
摘要： An image forming apparatus includes a member to be charged for carrying an electrostatic image, a contact-charging means for charging the member to be charged in contact with the member to be charged, and a developing means for developing the electrostatic image carried on the member to be charged. The developing means includes a developer for developing the electrostatic image comprising a toner and hydrophobic inorganic fine powder. The hydrophobic fine powder has a hydrophobicity of 60% or higher and the toner has a volume average particle size of 4-8 microns. The hydrophobic inorganic fine powder not only improves the fluidity of the developer and adjusts the chargeability of the developer but also prevents difficulties due to interaction between the member to be charged and the contact charging means in the presence of residual developer, such as damages of the member to be charged and toner-sticking onto the member to be charged.
摘要翻译： 图像形成装置包括被充电以承载静电图像的构件;接触充电装置，用于对被充电构件进行充电;与显影装置，用于使被构件上承载的静电图像显影; 待充电。 显影装置包括用于使包含调色剂和疏水性无机细粉末的静电图像显影的显影剂。 疏水性细粉末的疏水性为60％以上，调色剂的体积平均粒径为4-8微米。 疏水性无机细粉不仅提高显影剂的流动性，而且可以调节显影剂的带电性，而且还可以防止在残留显影剂存在下被充电元件与接触充电装置之间的相互作用造成的困难，例如 要充电的部件和墨粉粘在要充电的部件上。
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公开(公告)号：US5510223A
公开(公告)日：1996-04-23
申请号：US345717
申请日：1994-12-30
申请人： Tsutomu Kukimoto , Hiroshi Yusa , Koichi Tomiyama , Tsuyoshi Takiguchi , Eiichi Imai , Tetsuya Kuribayashi , Hisayuki Ochi , Hiroyuki Suematsu
发明人： Tsutomu Kukimoto , Hiroshi Yusa , Koichi Tomiyama , Tsuyoshi Takiguchi , Eiichi Imai , Tetsuya Kuribayashi , Hisayuki Ochi , Hiroyuki Suematsu
CPC分类号： G03G9/09716 , G03G13/09 , G03G15/167 , G03G9/097
摘要： An image forming method, including the steps of: developing an electrostatic image formed on an electrostatic image-bearing member with a developer to form thereon thereon a developed image, the developer containing 100 wt. parts of a toner and 0.05 to 3 wt. parts of fine powder treated with a silicone oil or silicone varnish; and transferring the developed image on the electrostatic image-bearing member to a transfer material while causing a transfer device, such as a roller or belt to contact the electrostatic image-bearing member by the medium of the transfer material under a line pressure of 3 g/cm or higher.
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9.发明授权Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus 失效图像形成方法包括显影图像的静电转印和相应的图像形成装置
公开(公告)号：US5392103A
公开(公告)日：1995-02-21
申请号：US145702
申请日：1993-11-04
申请人： Tsutomu Kukimoto , Hiroshi Yusa , Koichi Tomiyama , Tsuyoshi Takiguchi , Eiichi Imai , Tetsuya Kuribayashi , Hisayuki Ochi , Hiroyuki Suematsu
发明人： Tsutomu Kukimoto , Hiroshi Yusa , Koichi Tomiyama , Tsuyoshi Takiguchi , Eiichi Imai , Tetsuya Kuribayashi , Hisayuki Ochi , Hiroyuki Suematsu
CPC分类号： G03G9/09716 , G03G13/09 , G03G15/167 , G03G9/097
摘要： An image forming method, including the steps of: developing an electrostatic image formed on an electrostatic image-bearing member with a developer to form thereon thereon a developed image, the developer containing 100 wt. parts of a toner and 0.05 to 3 wt. parts of fine powder treated with a silicone oil or silicone varnish; and transferring the developed image on the electrostatic image-bearing member to a transfer material while causing a transfer device, such as a roller or belt to contact the electrostatic image-bearing member by the medium of the transfer material under a line pressure of 3 g/cm or higher.
摘要翻译： 一种图像形成方法，包括以下步骤：用显影剂在静电图像承载部件上形成静电图像以在其上形成显影图像，所述显影剂含有100重量％ 一部分调色剂和0.05-3重量％ 用硅油或有机硅清漆处理的细粉末部分; 并将静电图像承载部件上的显影图像转印到转印材料上，同时使诸如辊或带之类的转印装置在3g的管线压力下通过转印材料的介质与静电影像承载部件接触 / cm以上。
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10.发明授权Toner for developing electrostatic images, detachable apparatus, image forming apparatus and facsimile apparatus 失效用于显影静电图像的调色剂，可拆卸装置，图像形成装置和传真装置
公开(公告)号：US5422707A
公开(公告)日：1995-06-06
申请号：US304823
申请日：1994-09-13
CPC分类号： G03G9/08728 , G03G9/08711 , Y10S430/105
摘要： A toner for developing an electrostatic image, comprises a binder resin and a colorant. The toner has a glass transition temperature (Tg) of 65.degree. C. or lower. The binder resin comprises a styrene-acrylic copolymer formed from at least a styrenic monomer and a mixture of two or more acrylic monomers. The binder resin contains 10% by weight or more of THF insolubles. The amount of the styrenic monomer remaining in the toner is 0.005 part or less by weight based on 100 parts by weight of the binder resin component in the toner (50 ppm), and the amount of the acrylic monomers remaining in said toner is 0.001 part by weight based on 100 parts by weight or less of the binder resin component in the toner (10 ppm). At least one component of the mixture of acrylic monomers has a Q-value of 0.5 to less than 1.0 and the other has a Q-value of 0.3 to less than 0.5.This toner is excellent in the anti-off-set property to a fixing roller surface, good in fixability, giving high image density and little odor.
摘要翻译： 用于显影静电图像的调色剂包括粘合剂树脂和着色剂。 调色剂的玻璃化转变温度（Tg）为65℃以下。 粘合剂树脂包括由至少苯乙烯单体和两种或更多种丙烯酸单体的混合物形成的苯乙烯 - 丙烯酸共聚物。 粘合剂树脂含有10重量％以上的THF不溶物。 调色剂中剩余的苯乙烯类单体的量相对于调色剂中的粘合剂树脂成分100重量份（50ppm）为0.005重量份，残留在所述调色剂中的丙烯酸类单体的量为0.001份 （10ppm）中的100重量份以下的粘合剂树脂成分。 丙烯酸类单体的混合物的至少一种成分的Q值为0.5〜小于1.0，另外Q值为0.3〜小于0.5。 该调色剂在定影辊表面的防脱离性方面优异，定影性良好，图像密度高，气味少。
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