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公开(公告)号:US20100136469A1
公开(公告)日:2010-06-03
申请号:US12618883
申请日:2009-11-16
Applicant: Hisakazu TAJIMA , Kohei Katayama , Eiji Shirai , Akihiro Eida
Inventor: Hisakazu TAJIMA , Kohei Katayama , Eiji Shirai , Akihiro Eida
CPC classification number: G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/09741 , G03G9/09775
Abstract: A toner containing a resin binder containing two kinds of polyesters having softening points that differ by 10° C. or more, a colorant and a charge control agent, wherein the two kinds of polyesters contain a polyester A having a softening point of from 105° to 140° C. and a glass transition temperature of from 30° to 55° C., and a polyester B having a softening point of from 140° to 170° C. and a glass transition temperature of exceeding 55° C. and 80° C. or lower. The toner of the present invention is usable in, for example, development of latent images formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
Abstract translation: 含有含有软化点为10℃以上的两种聚酯的树脂粘合剂的调色剂,着色剂和电荷控制剂,其中两种聚酯含有软化点为105℃的聚酯A 温度为140℃,玻璃化转变温度为30〜55℃,软化点为140〜170℃,玻璃化转变温度超过55℃的聚酯B和80 ℃以下。 本发明的调色剂可用于例如在电子照相术,静电记录方法,静电印刷方法等中形成的潜像的显影。
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公开(公告)号:US08221949B2
公开(公告)日:2012-07-17
申请号:US12618883
申请日:2009-11-16
Applicant: Hisakazu Tajima , Kohei Katayama , Eiji Shirai , Akihiro Eida
Inventor: Hisakazu Tajima , Kohei Katayama , Eiji Shirai , Akihiro Eida
IPC: G03G9/00
CPC classification number: G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/09741 , G03G9/09775
Abstract: A toner containing a resin binder containing two kinds of polyesters having softening points that differ by 10° C. or more, a colorant and a charge control agent, wherein the two kinds of polyesters contain a polyester A having a softening point of from 105° to 140° C. and a glass transition temperature of from 30° to 55° C., and a polyester B having a softening point of from 140° to 170° C. and a glass transition temperature of exceeding 55° C. and 80° C. or lower. The toner of the present invention is usable in, for example, development of latent images formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
Abstract translation: 含有含有软化点为10℃以上的两种聚酯的树脂粘合剂的调色剂,着色剂和电荷控制剂,其中两种聚酯含有软化点为105℃的聚酯A 温度为140℃,玻璃化转变温度为30〜55℃,软化点为140〜170℃,玻璃化转变温度为55℃以上的聚酯B为80 ℃以下。 本发明的调色剂可用于例如在电子照相术,静电记录方法,静电印刷方法等中形成的潜像的显影。
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公开(公告)号:US20110045402A1
公开(公告)日:2011-02-24
申请号:US12835317
申请日:2010-07-13
Applicant: Akihiro Eida , Koji Kameyama , Eiji Shirai
Inventor: Akihiro Eida , Koji Kameyama , Eiji Shirai
IPC: G03G9/08
CPC classification number: G03G9/081 , G03G9/08708 , G03G9/08711 , G03G9/08797
Abstract: A method for producing a toner including the steps of melt-kneading at least a resin binder and a colorant to give a kneaded product (step 1); and heat-treating the kneaded product obtained in the step 1 (step 2), wherein the resin binder contains a crystalline resin and an amorphous resin, wherein the crystalline resin contains a specified composite resin containing (a) a specified polycondensation resin component and (b) a styrenic resin component, in a specified weight ratio, wherein the composite resin is contained in the resin binder in a specified amount. The toner obtained by the above method is used in, for example, the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
Abstract translation: 一种制造调色剂的方法,包括以下步骤:将至少一种树脂粘合剂和着色剂熔融捏合,得到捏合产品(步骤1); 对步骤1(步骤2)中得到的捏合物进行热处理,其中树脂粘合剂含有结晶性树脂和无定形树脂,其中,所述结晶性树脂含有特定的复合树脂,其含有(a)规定的缩聚树脂成分和( b)以特定重量比的苯乙烯树脂组分,其中所述复合树脂以特定量包含在所述树脂粘合剂中。 通过上述方法获得的调色剂用于例如在电子照相术,静电记录方法,静电印刷方法等中形成的潜像的显影。
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公开(公告)号:US09017912B2
公开(公告)日:2015-04-28
申请号:US12835317
申请日:2010-07-13
Applicant: Akihiro Eida , Koji Kameyama , Eiji Shirai
Inventor: Akihiro Eida , Koji Kameyama , Eiji Shirai
CPC classification number: G03G9/081 , G03G9/08708 , G03G9/08711 , G03G9/08797
Abstract: A method for producing a toner including the steps of melt-kneading at least a resin binder and a colorant to give a kneaded product (step 1); and heat-treating the kneaded product obtained in the step 1 (step 2), wherein the resin binder contains a crystalline resin and an amorphous resin, wherein the crystalline resin contains a specified composite resin containing (a) a specified polycondensation resin component and (b) a styrenic resin component, in a specified weight ratio, wherein the composite resin is contained in the resin binder in a specified amount. The toner obtained by the above method is used in, for example, the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
Abstract translation: 一种制造调色剂的方法,包括以下步骤:将至少一种树脂粘合剂和着色剂熔融捏合,得到捏合产品(步骤1); 对步骤1(步骤2)中得到的捏合物进行热处理,其中树脂粘合剂含有结晶性树脂和无定形树脂,其中,所述结晶性树脂含有特定的复合树脂,其含有(a)规定的缩聚树脂成分和( b)以特定重量比的苯乙烯树脂组分,其中所述复合树脂以特定量包含在所述树脂粘合剂中。 通过上述方法获得的调色剂用于例如在电子照相术,静电记录方法,静电印刷方法等中形成的潜像的显影。
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公开(公告)号:US07842448B2
公开(公告)日:2010-11-30
申请号:US11335661
申请日:2006-01-20
Applicant: Shinji Moriyama , Yoshihiro Fukushima , Takashi Kubo , Yutaka Kanamaru , Eiji Shirai
Inventor: Shinji Moriyama , Yoshihiro Fukushima , Takashi Kubo , Yutaka Kanamaru , Eiji Shirai
IPC: G03G15/09
CPC classification number: G03G15/09 , G03G2215/0609
Abstract: A method of forming fixed images, including the step of applying a two-component developer containing a carrier and a toner containing a wax and a resin binder containing a crystalline polyester to a two-component development device with a linear speed of from 500 to 5,000 mm/sec, to develop the toner, wherein the crystalline polyester is contained in an amount of from 3 to 40% by weight and the wax in an amount of from 2.5 to 10% by weight, of the toner, and wherein the two-component development device comprises at least three magnet rollers which are arranged closely to each other along the perimeter of a photoconductor, wherein one magnet roller arranged on the uppermost side in the rotational direction of the photoconductor rotates in a direction opposite to the rotational direction of the photoconductor at the point therebetween, and the other magnet rollers rotate in the same direction as the photoconductor at the point therebetween. The method of forming fixed images according to the present invention forms excellent fixed images by, for example, development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.
Abstract translation: 一种形成固定图像的方法,包括将包含载体的双组分显影剂和含有蜡的调色剂和含有结晶聚酯的树脂粘合剂施加到线性速度为500至5,000的双组分显影装置的步骤 mm /秒,以显影调色剂,其中结晶聚酯的含量为3至40重量%,蜡的含量为调色剂的2.5至10重量%,并且其中, 部件显影装置包括沿着光电导体的周边彼此紧密配置的至少三个磁体辊,其中布置在光电导体的旋转方向上的最上侧的一个磁体辊沿与该光电导体的旋转方向相反的方向旋转 光电导体在其间的点处,并且其它磁体辊在与它们之间的点处沿与光电导体相同的方向旋转。 根据本发明的形成固定图像的方法通过例如在电子照相术形成的潜像的显影,静电记录方法,静电印刷方法等来形成优良的固定图像。
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公开(公告)号:US07820354B2
公开(公告)日:2010-10-26
申请号:US11578292
申请日:2005-04-20
Applicant: Eiji Shirai
Inventor: Eiji Shirai
IPC: G03G9/08
CPC classification number: G03G9/0821 , G03G9/081 , G03G9/08755
Abstract: The present invention relates to a process for producing a toner including the steps of melt-kneading raw materials containing two or more kinds of polyesters, heat-treating a melt-kneaded product, pulverizing a heat-treated product, and classifying a pulverized product, wherein the two or more kinds of polyesters contain at least one kind of an amorphous polyester, and the heat-treating step is carried out at a temperature t (° C.) and time h (hour) satisfying the following formulas (a) and (b), Tg1≦t≦Tm−10 (a) h≧100/(t−30), with proviso that t>30 (b) wherein Tg1 is a glass transition temperature (° C.) of the melt-kneaded product before the heat-treating step; and Tm is the lowest softening point (° C.) of softening points of the two or more kinds of polyesters, and the toner produced by the process. The toner obtained according to the present invention is suitably used, for example, for developing latent images formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.
Abstract translation: 本发明涉及一种调色剂的制造方法,该方法包括以下步骤:将含有两种或多种聚酯的原料熔融捏合,热熔融捏合产物,粉碎热处理产物,分级粉碎产物, 其中所述两种或更多种聚酯含有至少一种无定形聚酯,并且所述热处理步骤在满足下列通式(a)和(b)的温度t(℃)和时间h(小时) (b),Tg1≦̸ t≦̸ Tm-10(a)h≥100/(t-30),条件是t> 30(b)其中Tg1是熔融捏合的玻璃化转变温度 产品在热处理步骤之前; 并且Tm是两种或多种聚酯的软化点的最低软化点(℃)和由该方法产生的调色剂。 根据本发明获得的调色剂适合用于例如用于在电子照相术,静电记录方法,静电印刷方法等中形成的显影潜像。
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公开(公告)号:US20070135615A1
公开(公告)日:2007-06-14
申请号:US11559711
申请日:2006-11-14
Applicant: Eiji Shirai , Tetsuya Ueno
Inventor: Eiji Shirai , Tetsuya Ueno
IPC: C08G63/16
CPC classification number: C08G63/16 , C08G63/20 , C08G63/52 , C08G63/668 , C08G63/78 , G03G9/08755
Abstract: The present invention relates to a polyester for a toner, obtained by polycondensing an alcohol component and a carboxylic acid component containing an alkylsuccinic acid having 10 or more carbon atoms, an alkenylsuccinic acid having 10 or more carbon atoms, or a mixture thereof, in an amount of from 0.5 to 50% by mole, wherein each of 6-methyl-2-heptanone and 5-methyl-2-heptanone is detected in an amount of 0.5 ppm or less as determined by thermal desorption-gas chromatography-mass spectrometry. The polyester for a toner of the present invention is used as a resin binder, or the like, for a toner used, for example, for developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.
Abstract translation: 本发明涉及一种调色剂用聚酯,其通过将醇成分和含有10个以上碳原子的烷基琥珀酸的羧酸成分,碳原子数为10以上的链烯基丁二酸或其混合物缩聚得到, 量为0.5〜50摩尔%,其中通过热解吸 - 气相色谱 - 质谱法测定,以0.5ppm或更低的量检测6-甲基-2-庚酮和5-甲基-2-庚酮。 用于本发明的调色剂的聚酯用作树脂粘合剂等,用于例如用于显影在电子照相术中形成的静电潜像,静电记录方法,静电印刷方法等中使用的调色剂。
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公开(公告)号:US20070093597A1
公开(公告)日:2007-04-26
申请号:US11562063
申请日:2006-11-21
Applicant: Takashi KUBO , Katsutoshi Aoki , Eiji Shirai
Inventor: Takashi KUBO , Katsutoshi Aoki , Eiji Shirai
IPC: C08K3/32
CPC classification number: C08G63/195 , C08G63/85 , G03G9/08755 , G03G9/09708
Abstract: A polyester resin composition for a toner comprising a titanium compound in an amount of from 0.005 to 4% by weight, and an inorganic phosphorus compound in an amount of from 0.001 to 5% by weight; a toner comprising the polyester resin composition as defined above; and a process for preparing the polyester resin composition for a toner as defined above, comprising the step of polycondensing the raw material monomers for the polyester in the presence of a titanium compound and an inorganic phosphorus compound. The polyester resin composition for a toner is suitably used as a resin binder for a toner for developing a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like, a process for preparing the same, and a toner comprising the polyester resin composition.
Abstract translation: 一种用于调色剂的聚酯树脂组合物,其包含0.005至4重量%的钛化合物和0.001至5重量%的无机磷化合物; 包含如上所述的聚酯树脂组合物的调色剂; 以及制备如上所述的调色剂用聚酯树脂组合物的方法,包括在钛化合物和无机磷化合物的存在下将聚酯原料单体缩聚的步骤。 用于调色剂的聚酯树脂组合物适合用作用于显影在电子照相术,静电记录方法,静电印刷方法等中形成的潜像的调色剂的树脂粘合剂,其制备方法和包含聚酯的调色剂 树脂组合物。
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公开(公告)号:US4790796A
公开(公告)日:1988-12-13
申请号:US117537
申请日:1987-11-06
Applicant: Yoshio Okabe , Yukimori Kobayashi , Eiji Shirai
Inventor: Yoshio Okabe , Yukimori Kobayashi , Eiji Shirai
CPC classification number: F16H7/1272 , F16H7/08 , F16H7/0848 , F16H7/1236 , F02B67/06 , F16H2007/0806 , F16H2007/0812 , F16H2007/0859 , F16H2007/0891 , F16H7/0836
Abstract: A free piston type auto-tensioner adjusts a tension of an engine timing belt for automobiles. The auto-tensioner includes a body, a plunger slidably disposed in the body to form a first oil chamber, a free piston slidably disposed in the body to form a second oil chamber, a first seal member disposed between the body and the piston, a second seal member disposed between the piston and a rod of the plunger, an oil passage formed in the plunger to establish an oil communication between the first and second oil chambers, a check valve disposed in the oil passage, a first spring biasing the plunger, and a second spring biasing the piston.
Abstract translation: 自由活塞式自动张紧器调节汽车发动机正时皮带的张力。 自动张紧器包括主体,可滑动地设置在主体中以形成第一油室的柱塞,可滑动地设置在主体中以形成第二油室的自由活塞,设置在主体和活塞之间的第一密封构件, 设置在所述活塞和所述柱塞杆之间的第二密封构件,形成在所述柱塞中以在所述第一和第二油室之间建立油连通的油通道,设置在所述油通道中的止回阀,施加所述柱塞的第一弹簧, 以及偏压所述活塞的第二弹簧。
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公开(公告)号:US4662325A
公开(公告)日:1987-05-05
申请号:US756647
申请日:1985-07-19
Applicant: Yoshio Okabe , Eiji Shirai
Inventor: Yoshio Okabe , Eiji Shirai
CPC classification number: F01L1/25
Abstract: A self-container hydraulic valve lifter includes a lifter body slidably mounted in a lifter case, a free piston slidably mounted between the lifter body and the lifter case, a plunger slidably mounted in the lifter body and dividing an interior portion of the lifter body into a reservoir chamber and a pressure chamber, a check valve for allowing fluid flow from the reservoir chamber to the pressure chamber, and an operating chamber formed between the free piston and the lifter case and communicated with the reservoir chamber in order to decrease the diameter of the pressure chamber in comparison with that of the free piston.
Abstract translation: 自吸式液压气门挺杆包括可滑动地安装在升降机壳体中的升降机体,可滑动地安装在升降机主体和升降机壳体之间的自由活塞,可滑动地安装在升降机主体中并将升降机体的内部分成 储存室和压力室,用于允许流体从储存室流到压力室的止回阀,以及形成在自由活塞和升降器壳体之间并与储存室连通的操作室,以便减小直径 压力室与自由活塞相比。
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