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1. 发明申请

WO2005088405A1 CHARGING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND TONER 审中-公开
标题翻译：充电装置，过程盒，图像形成装置和调色剂
公开(公告)号：WO2005088405A1
公开(公告)日：2005-09-22
申请号：PCT/JP2005/004278
申请日：2005-03-04
申请人： RICOH COMPANY, LTD. , MIZUISHI, Haruji , OJIMI, Tokuya , KOIKE, Toshio , SHINTANI, Takeshi , ARAI, Yuji , YONEDA, Takuzi , AMEMIYA, Ken , TAWADA, Takaaki , TOMITA, Masami , KAWASUMI, Masanori , MURAISHI, Takaya , HARADA, Hiroomi , NINOMIYA, Hiromichi
发明人： MIZUISHI, Haruji , OJIMI, Tokuya , KOIKE, Toshio , SHINTANI, Takeshi , ARAI, Yuji , YONEDA, Takuzi , AMEMIYA, Ken , TAWADA, Takaaki , TOMITA, Masami , KAWASUMI, Masanori , MURAISHI, Takaya , HARADA, Hiroomi , NINOMIYA, Hiromichi
IPC分类号： G03G15/02
CPC分类号： G03G15/0225
摘要： The present invention provides a charging device which comprises a charging roller (14a) and a cleaning component (14b). The charging roller charges a surface of an image-recording medium (11) with a voltage which is applied from an external source. The cleaning component cleans a surface of the charging roller. The charging roller includes a resistance adjustment layer which is made of a resin composite and formed on an outer periphery of a core metal. The hardness of the charging roller is 45 degrees or more in JIS D hardness. The cleaning component has a portion which is in contact with the charging roller. This portion is made of resin foam which has a continuous foam structure. The density of the resin foam is 5 to 15 kg/m 3 and its tensile strength is 1.7±0.5 kg/cm 2 .
摘要翻译：本发明提供一种充电装置，其包括充电辊（14a）和清洁部件（14b）。充电辊以从外部源施加的电压对图像记录介质（11）的表面充电。清洁部件清洁充电辊的表面。充电辊包括由树脂复合材料制成并形成在芯金属的外周上的电阻调节层。充电辊的硬度在JIS D硬度上为45度以上。清洁部件具有与充电辊接触的部分。该部分由具有连续泡沫结构的树脂泡沫制成。树脂发泡体的密度为5〜15kg / m 3，拉伸强度为1.7±0.5kg / cm 2。

2. 发明公开

EP1723473A1 CHARGING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND TONER 审中-公开
标题翻译：充电装置，处理盒，成像设备和硒鼓
公开(公告)号：EP1723473A1
公开(公告)日：2006-11-22
申请号：EP05720549.4
申请日：2005-03-04
申请人： Ricoh Company, Ltd.
发明人： MIZUISHI, Haruji , OJIMI, Tokuya , KOIKE, Toshio , SHINTANI, Takeshi , ARAI, Yuji , YONEDA, Takuzi , AMEMIYA, Ken , TAWADA, Takaaki , TOMITA, Masami , KAWASUMI, Masanori , MURAISHI, Takaya , HARADA, Hiroomi , NINOMIYA, Hiromichi
IPC分类号： G03G15/02 , F16C13/00 , G03G9/08 , G03G9/087 , G03G21/10 , G03G21/18
CPC分类号： G03G15/0225
摘要： The present invention provides a charging device which comprises a charging roller (14a) and a cleaning component (14b). The charging roller charges a surface of an image-recording medium (11) with a voltage which is applied from an external source. The cleaning component cleans a surface of the charging roller. The charging roller includes a resistance adjustment layer which is made of a resin composite and formed on an outer periphery of a core metal. The hardness of the charging roller is 45 degrees or more in JIS D hardness. The cleaning component has a portion which is in contact with the charging roller. This portion is made of resin foam which has a continuous foam structure. The density of the resin foam is 5 to 15 kg/m3 and its tensile strength is 1.7±0.5 kg/cm2.

3. 发明授权

EP1944656B1 TONER FOR DEVELOPING ELECTROSTATIC IMAGES, TONER KITS, AND IMAGE FORMATION EQUIPMENT 有权
标题翻译：碳粉静电成像墨粉组件及摄像装置
公开(公告)号：EP1944656B1
公开(公告)日：2016-05-04
申请号：EP06822832.9
申请日：2006-11-01
申请人： Ricoh Company, Ltd.
发明人： SUGIURA, Hideki , FUSHIMI, Hiroyuki , UCHINOKURA, Osamu , HONDA, Takahiro , TOMITA, Masami , SHU, Hyo , UMEHARA, Ken
IPC分类号： G03G9/087 , G03G9/09 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/0806 , G03G9/0819 , G03G9/08753 , G03G9/08795 , G03G9/08797 , G03G9/091 , G03G9/0912 , G03G9/0914 , G03G9/0922

4. 发明公开

EP1944656A1 TONER FOR DEVELOPING ELECTROSTATIC IMAGES, TONER KITS, AND IMAGE FORMATION EQUIPMENT 有权
标题翻译： TONER ZUM ENTWICKELN ELEKTROSTATISCHER BILDER，TONER-KITS UNDBILDERZEUGUNGSGERÄTE
公开(公告)号：EP1944656A1
公开(公告)日：2008-07-16
申请号：EP06822832.9
申请日：2006-11-01
申请人： Ricoh Company, Ltd.
发明人： SUGIURA, Hideki , FUSHIMI, Hiroyuki , UCHINOKURA, Osamu , HONDA, Takahiro , TOMITA, Masami , SHU, Hyo , UMEHARA, Ken
IPC分类号： G03G9/087 , G03G9/09
CPC分类号： G03G9/08755 , G03G9/0806 , G03G9/0819 , G03G9/08753 , G03G9/08795 , G03G9/08797 , G03G9/091 , G03G9/0912 , G03G9/0914 , G03G9/0922
摘要： A toner is provided that comprises a colorant and a binder resin, wherein the binder resin comprises a polyester resin that is prepared by a polycondensation reaction in the presence of at least a titanium-containing catalyst expressed by General Formula (I) or (II), the toner has a volume average particle diameter of 2.0 µm to 10.0 µm and a ratio Dv/Dn within a range of 1.00 to 1.40, in which Dv represents a volume average particle diameter and Dn represents a number average particle diameter,

Ti(-X) m (-OH) n General Formula (I)

O=Ti(-X) p (-OR) q General Formula (II)

in General Formulas (I) and (II), X represents a residue of a mono-alkanolamine of 2 to 12 carbon atoms or a polyalkanolamine from which a hydrogen atom of one hydroxyl group is removed; other hydroxyl group(s) and still other hydroxyl group(s), within the polyalkanolamine molecule that has a directly bonding Ti atom, may polycondense to form a ring structure; other hydroxyl group(s) and still other hydroxyl group(s) may polycondense intermolecularly to form a repeating structure; and the polymerization degree is 2 to 5 in a case of forming the repeating structure; R represents one of a hydrogen atom and alkyl groups of 1 to 8 carbon atoms that may have 1 to 3 ether bonds; "m" is an integer of 1 to 4; "n" is an integer of 0 to 3; the sum of "m" and "n" is 4; "p" is an integer of 1 or 2; "q" is an integer of 0 or 1; the sum of "p" and "q" is 2; and in a case that "m" and "p" is 2 or more, the respective Xs may be identical or different each other.
摘要翻译：提供了一种调色剂，其包含着色剂和粘合剂树脂，其中所述粘合剂树脂包含在至少由通式（I）或（II）表示的含钛催化剂的存在下通过缩聚反应制备的聚酯树脂，，调色剂的体积平均粒径为2.0μm〜10.0μm，Dv / Dn的比例在1.00〜1.40的范围内，Dv表示体积平均粒径，Dn表示数均粒径，€ ƒ€ƒ€ƒ€ƒ€ƒ€ƒTi（-X）m（-OH）n€ƒ€ƒ€ƒ€ƒ一般公式（I）€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ ƒ€ƒO= Ti（-X）p（-OR）q€ƒ€ƒ€ƒ通用式（I）和（II）中的通式（II），X表示单链烷醇胺的残基 2至12个碳原子或去除一个羟基的氢原子的聚烷醇胺; 在具有直接键合Ti原子的聚链烷醇胺分子内的其它羟基和其它羟基可以缩聚形成环结构; 其他羟基和其他羟基可以分子间缩聚形成重复结构; 在形成重复结构的情况下聚合度为2〜5。 R表示氢原子和可以具有1〜3个醚键的1〜8个碳原子的烷基; “m”为1〜4的整数， “n”为0〜3的整数， “m”和“n”之和为4; “p”是1或2的整数; “q”是0或1的整数; “p”和“q”之和为2; 在“m”和“p”为2以上的情况下，各个X可以相同也可以不同。

5. 发明公开

EP1553458A1 ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER 有权
标题翻译：静电图像显影斯托纳
公开(公告)号：EP1553458A1
公开(公告)日：2005-07-13
申请号：EP03736310.8
申请日：2003-06-30
申请人： Ricoh Company, Ltd.
发明人： YAGI, Shinichiro , YAMADA, Hiroshi , YAMASHITA, Hiroshi , WATANABE, Naohiro , SUGIYAMA, Tsunemi , EMOTO, Shigeru , TOMITA, Masami , NANYA, Toshiki , TAKIGAWA, Tadao
IPC分类号： G03G9/08
CPC分类号： G03G9/087 , G03G9/08 , G03G9/0819 , G03G9/0825 , G03G9/0827 , G03G9/08755 , G03G9/08795 , G03G9/08797
摘要： A toner for developing an electrostatic image which has a small particle size essential for attaining a high-quality image, and can output a high-quality image excellent in frictional charging property and free from scumming, characterized in that the volume average particle diameter of the toner is 2.0 to 7.1 µm and the surface condition of the toner is in scab form.

6. 发明授权

EP1995639B1 TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE 有权
公开(公告)号：EP1995639B1
公开(公告)日：2019-07-31
申请号：EP07738473.3
申请日：2007-03-13
申请人： Ricoh Company, Ltd.
发明人： TOMITA, Masami , UMEHARA, Ken
IPC分类号： G03G9/087 , C08J3/12 , G03G9/08

7. 发明授权

EP1723473B1 CHARGING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：EP1723473B1
公开(公告)日：2019-05-22
申请号：EP05720549.4
申请日：2005-03-04
申请人： Ricoh Company, Ltd.
发明人： MIZUISHI, Haruji , OJIMI, Tokuya , KOIKE, Toshio , SHINTANI, Takeshi , ARAI, Yuji , YONEDA, Takuzi , AMEMIYA, Ken , TAWADA, Takaaki , TOMITA, Masami , KAWASUMI, Masanori , MURAISHI, Takaya , HARADA, Hiroomi , NINOMIYA, Hiromichi
IPC分类号： G03G15/02 , F16C13/00 , G03G9/08 , G03G9/087 , G03G21/10 , G03G21/18

8. 发明授权

EP1701220B1 TONER AND DEVELOPER, TONER CHARGED CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND METHOD OF IMAGE FORMING 有权
标题翻译：调色剂和显影剂，调色剂封入容器，处理盒，成像设备和方法成像
公开(公告)号：EP1701220B1
公开(公告)日：2012-04-11
申请号：EP04773205.2
申请日：2004-09-16
申请人： Ricoh Company, Ltd.
发明人： NAKAYAMA, Shinya , MOCHIZUKI, Satoshi , IWAMOTO, Yasuaki , ASAHINA, Yasuo , KOTSUGAI, Akihiro , ISHII, Masayuki , UCHINOKURA, Osamu , NAKAJIMA, Hisashi , ICHIKAWA, Tomoyuki Dai6 Sumika Bldg. 206 , UTSUMI, Tomoko , SAKATA, Koichi , SUGIURA, Hideki , EMOTO, Shigeru , AWAMURA, Junichi , TOMITA, Masami , HONDA, Takahiro , YAGI, Shinichiro , SUZUKI, Tomomi , YAMADA, Hiroshi , NANYA, Toshiki , HIGUCHI, Hiroto , SASAKI, Fumihiro , SHIMOTA, Naohito, Bell Shine Takehara A-103
IPC分类号： G03G9/093 , G03G9/08 , G03G9/087
CPC分类号： G03G9/0804 , G03G9/0819 , G03G9/0821 , G03G9/0827 , G03G9/08708 , G03G9/08711 , G03G9/08755 , G03G9/08797
摘要： A toner that is applicable to low temperature fixing systems, excelling in both of anti-offsetting property and heat resistance storability and especially even when repeatedly used for a multiplicity of sheets over a prolonged period of time, is free from aggregation of toner particles, being minimized with respect to deterioration of fluidity, transferability and fixability, and that irrespective of the type of transfer medium, can form stable images free of transfer omission with high reproduction performance, and that does not stain the fixing apparatus and images; etc. There is provided a toner comprised of toner materials, characterized in that providing that Tma (°C) refers to the 1/2 outflow temperature, measured by Koka-type flow tester, of the toner and Tmb (°C) to the 1/2 outflow temperature, measured by Koka-type flow tester, of melt kneading matter of the toner, the relationship 0°C ≤ ΔTm (wherein ΔTm = Tma - Tmb) ≤ 20°C is satisfied and the Tma is in the range of 130 to 200°C.

9. 发明公开

EP1995639A1 TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND IMAGING DEVICE USING THE SAME 有权
标题翻译： TONER ZUM ENTWICKELN EINES LATENTEN ELEKTROSTATISCHEN BILDES UND BILDERZEUGUNGSEINRICHTUNG DAMIT
公开(公告)号：EP1995639A1
公开(公告)日：2008-11-26
申请号：EP07738473.3
申请日：2007-03-13
申请人： Ricoh Company, Ltd.
发明人： TOMITA, Masami , UMEHARA, Ken
IPC分类号： G03G9/087 , C08J3/12 , G03G9/08
CPC分类号： G03G9/08793 , C08G63/85 , G03G9/08795 , G03G9/08797
摘要： Provided is an electrostatic image developing toner excellent in blocking resistance at high temperature and humidity, as well as in low temperature-fixing property, having a polyester resin toner binder. Provided is the electrostatic image developing toner containing at least one noncrystalline polyester resin and a crystalline polyester resin, wherein the polyester resins are formed in the presence of at least one titanium-containing catalyst expressed in the following Formulas:

Ti(-X)m(-OH)n

O=Ti(-X)p(-OR)q

where X is a residue resulting from removing an H atom in one hydroxyl group from (poly)alkanolamine having 2 to 12 carbon atoms, R represents an H atom or an alkyl group that has 1 to 8 carbon atoms and may contain 1 to 3 ether bonds, m, n, p, and q are integers; m, n, p, and q are 1-4, 0-3, 1-2, 0-1,respectively; and the sum of m and n, and p and q are 4 and 2, respectively.
摘要翻译：本发明提供一种具有聚酯树脂调色剂粘合剂的耐高温和湿度下的耐粘连性以及低温定影性的静电图像显影调色剂。提供了含有至少一种非结晶性聚酯树脂和结晶性聚酯树脂的静电图像显影调色剂，其中聚酯树脂在至少一种以下公式表示的含钛催化剂存在下形成：€ƒ€ƒ€ ƒ€ƒ€ƒ€ƒTi（-X）m（-OH）n€ƒ€ƒ€ƒ€ƒ€ƒ€ƒO= Ti（-X）p（-OR）q其中X是从具有2至12个碳原子的（多）链烷醇胺除去一个羟基中的H原子得到的残基，R表示H原子或具有1至8个碳原子并可以含有1至3个醚键的烷基，m ，n，p和q是整数; m，n，p和q分别为1-4,0-3,1-2,0-1; m和n之和，p和q分别为4和2。

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