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    • 42. 发明授权
    • Image formation apparatus having a peeling claw and heated rollers
    • 图像形成装置具有剥离爪和加热辊
    • US6078776A
    • 2000-06-20
    • US300943
    • 1999-04-28
    • Masaya OkamotoIsao Kubota
    • Masaya OkamotoIsao Kubota
    • G03G15/16H05B1/00
    • G03G15/162G03G15/161G03G2215/1652G03G2215/1695
    • The present invention provides an image formation apparatus including: a belt-shaped photosensitive body; an electric charger for charging the photosensitive body; an exposure device for forming an electrostatic latent image on the photosensitive body; a developing device for forming a visible image according to the electrostatic latent image; a toner supply device for supplying to the developing device a toner used for forming the visible image; an intermediate transfer roller for transferring the visible image from the photosensitive body onto a recording medium; a fixing roller for fixing the visible image which has been transferred from the intermediate transfer roller onto the recording medium; a claw member for assisting peeling off of the recording medium from the intermediate transfer roller; and a heating roller arranged so as to be in contact with a point on a non-toner side of the intermediate transfer roller, wherein the claw member is arranged so as to surround the heating roller and has a claw portion which is in contact with an outer circumference of the intermediate transfer roller in the vicinity of a contact point between the intermediate transfer roller and the recording medium.
    • 本发明提供一种图像形成装置,包括:带状感光体; 用于对感光体充电的充电器; 用于在感光体上形成静电潜像的曝光装置; 用于根据静电潜像形成可见图像的显影装置; 调色剂供应装置,用于向显影装置供应用于形成可见图像的调色剂; 用于将可见图像从感光体转印到记录介质上的中间转印辊; 定影辊,用于固定从中间转印辊转印到记录介质上的可见图像; 用于辅助从中间转印辊剥离记录介质的爪构件; 以及布置成与所述中间转印辊的非调色剂侧的点接触的加热辊,其中所述爪部件布置成围绕所述加热辊并具有与所述中间转印辊接触的爪部分 在中间转印辊和记录介质之间的接触点附近的中间转印辊的外周。
    • 45. 发明授权
    • Polycarbonate resin composition and process for producing the same
    • 聚碳酸酯树脂组合物及其制造方法
    • US5510414A
    • 1996-04-23
    • US389978
    • 1995-02-14
    • Masaya OkamotoJiro Chiba
    • Masaya OkamotoJiro Chiba
    • C08K3/40C08L69/00
    • C08K3/40C08L69/00
    • The object of the present invention is to develop a polycarbonate resin composition excellent in transparency and flame retardance and a process for producing the same.The present invention relates to a polycarbonate resin composition which comprises (A) polycarbonate-based copolymer, (B) glass, and (C) polycarbonate resin, the difference (absolute value) between the refractive index of the mixed resin of (A) and (C), and that of (B) glass being not more than 0.01.The present invention also relates to a process for producing a polycarbonate-based resin composition which comprises kneading (A) polycarbonate-based copolymer, (B) glass, and (C) polycarbonate resin, and adjusting the difference (absolute value) between the refractive index of the mixed resin of (A) and (C), and that of glass to not more than 0.01, by selecting kinds and proportions of the comonomer unit in (A) polycarbonate-based copolymer.The polycarbonate resin composition of the present invention is excellent in transparency and flame retardance, and effectively utilized as the material for various molding products which are extensively used in the fields of electric or electronic appliances and cars.
    • 本发明的目的是开发透明性和阻燃性优异的聚碳酸酯树脂组合物及其制造方法。 本发明涉及一种聚碳酸酯树脂组合物,其包含(A)聚碳酸酯类共聚物,(B)玻璃和(C)聚碳酸酯树脂,(A)的混合树脂的折射率与(A)的混合树脂的折射率 (C),(B)玻璃的含量不大于0.01。 本发明还涉及一种聚碳酸酯类树脂组合物的制造方法,其包括捏合(A)聚碳酸酯类共聚物,(B)玻璃和(C)聚碳酸酯树脂,并调节折射率 通过选择(A)聚碳酸酯类共聚物中的共聚单体单元的种类和比例,将(A)和(C)的混合树脂和玻璃的混合树脂的指数变为不大于0.01。 本发明的聚碳酸酯树脂组合物的透明性和阻燃性优异,并且有效地用作广泛用于电动或电子电器和汽车领域的各种成型产品的材料。
    • 46. 发明授权
    • Printing head device
    • 打印头设备
    • US5413421A
    • 1995-05-09
    • US216024
    • 1994-03-21
    • Masaya Okamoto
    • Masaya Okamoto
    • B41J2/275B41J2/27
    • B41J2/275
    • A printing head device according to the present invention includes a plurality of printing pins corresponding to respective dots, a plurality of first pin drive plates having the printing pins fixed thereon and having surfaces on which first electrodes are formed, a plurality of second pin drive plates having second electrodes opposing to the first electrodes with predetermined gaps therebetween, a first drive plate support member for supporting the first pin drive plates through elastic members, respectively, and a second drive plate support member for supporting the second pin drive plates. Further, the second drive plate support member is vibrated repeatedly in a direction toward a top end of the printing pin by a drive unit. A drive circuit applies a voltage based on a printing signal between the first and second electrodes of the first and second pin drive plates with the vibration timing of the drive unit to generate Coulomb force between the first and second electrodes. With this construction, it is possible to enable the printing pins to perform a print by a single drive unit and to miniaturize the printing head.
    • 根据本发明的打印头装置包括对应于各个点的多个打印销,多个第一销驱动板,其中印刷销固定在其上并具有形成有第一电极的表面,多个第二销驱动板 具有与其间具有预定间隙的与第一电极相对的第二电极,用于分别通过弹性构件支撑第一销驱动板的第一驱动板支撑构件和用于支撑第二销驱动板的第二驱动板支撑构件。 此外,第二驱动板支撑构件通过驱动单元在朝向打印销的顶端的方向上重复地振动。 驱动电路利用驱动单元的振动定时在第一和第二引脚驱动板的第一和第二电极之间施加基于打印信号的电压,以在第一和第二电极之间产生库仑力。 利用这种结构,可以使打印针由单个驱动单元执行打印并使打印头小型化。
    • 48. 发明授权
    • Novel polycarbonate resins, process for production of said resins, and
compositions containing said resins
    • 新型聚碳酸酯树脂,所述树脂的制造方法和含有所述树脂的组合物
    • US5037937A
    • 1991-08-06
    • US294906
    • 1989-01-06
    • Takashi KomatsuMasaya Okamoto
    • Takashi KomatsuMasaya Okamoto
    • C08G64/08C08G64/10C08K7/14
    • C08G64/10C08G64/081C08K7/14
    • Novel polycarbonate resins, a process for production of said polycarbonate resins, and compositions containing said polycarbonate resins and glass fibers as major components are disclosed. The polycarbonate resins have: (1) a repeating unit (I) represented by the general formula (A): ##STR1## and a repeating unit (II) represented by the general formula ##STR2## (all the symbols are as defined in the appended claims); (2) a pentahalogenophenoxy group as the end group thereof; and (3) a viscosity average molecular weight of at least 5,000. The polycarbonate resins are excellent in all of flame retardance, fluidity, impact resistance and transparency. Thus the polycarbonate resins and compositions containing them are useful for production of, e.g., moldings for which all the above characteristics are required.
    • 公开了新型聚碳酸酯树脂,所述聚碳酸酯树脂的制造方法和含有所述聚碳酸酯树脂和玻璃纤维作为主要成分的组合物。 聚碳酸酯树脂具有:(1)由通式(A)表示的重复单元(I):< IMAGE>和由通式< IMAGE>表示的重复单元(II)(所有符号如 所附权利要求); (2)五卤代苯氧基作为其末端基团; 和(3)粘均分子量至少为5,000。 聚碳酸酯树脂具有优异的阻燃性,流动性,耐冲击性和透明性。 因此,含有它们的聚碳酸酯树脂和组合物可用于生产例如需要所有上述特征的模制品。