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    • 23. 发明授权
    • Squeeze roller retraction assembly
    • 挤压辊收回组件
    • US4056315A
    • 1977-11-01
    • US647816
    • 1976-01-09
    • Kenzo AriyamaSakae OtaSunao IkedaToyoo Okamoto
    • Kenzo AriyamaSakae OtaSunao IkedaToyoo Okamoto
    • G03G15/10G03D3/00G03G15/11G03G21/10G03G21/00
    • G03G15/11
    • A squeeze roller retraction assembly for use with electrophotographic copying machines of the type in which a photosensitive drum is removable from the machine, for inspection or other purposes, through an opening formed in a sidewall which opening is normally covered by a coverplate. A squeeze roller which normally engages with the peripheral drum surface has its engagement therewith automatically released once the coverplate has been dismounted from the sidewall, and also is returned to its operative position as the coverplate is remounted, to thereby prevent damage of the drum as well as a wrong usage of the machine which may be caused by forgetting to replace the squeeze roller to the operative position.
    • 用于电子照相复印机的挤压辊收回组件,其中感光鼓可从机器移除,用于检查或其他目的,通过形成在侧壁中的开口,该开口通常被盖板覆盖。 一旦与外围滚筒表面接合的挤压辊,一旦盖板从侧壁上卸下,其与其接合就会自动释放,并且当盖板被重新安装时也被返回到其操作位置,从而防止滚筒损坏 作为可能由忘记将挤压辊更换到操作位置而引起的机器的错误使用。
    • 25. 发明授权
    • Automatic original circulating and feeding apparatus
    • 自动原装循环送料装置
    • US4860057A
    • 1989-08-22
    • US177479
    • 1988-04-01
    • Shiro SaekiSunao Ikeda
    • Shiro SaekiSunao Ikeda
    • B65H83/00G03B27/62G03G15/00G03G15/04G03G15/23G03G21/00
    • G03G15/602G03B27/6257G03G15/04G03G15/23G03G15/043G03G2215/00198
    • An automatic original circulating and feeding apparatus apparatus comprises an original feeding base for receiving a plurality of originals thereon, which are piled up with image faces thereof turned downwardly, an original separating and feeding device for successively separating the piled up originals on the original feeding basee one by one from a lowermost original and feeding them one by one in an order separated, a reversible and speed-changeable belt conveyor device disposed in an exposure part for exposing each of the orignals fed, and a sensor disposed at a position separated by at least the largest original length from the original separating and feeding mechanism, for selectively setting a scanning copy mode or a sheet through copy mode and for controlling a position of the original for a copy mode selected.
    • 一种自动原稿循环输送装置,包括:原稿进给基座,用于接收多个原稿,并将图像面向下方堆叠;原始分离供给装置,用于连续分离原稿进给基座上的堆积原件 一个接一个地从一个最下面的原件中分离出来一个一个地供给它们,一个设置在暴露部分中的可逆和可变速的带式输送装置,用于暴露每个馈送的信号,以及一个传感器, 最小原始分离和送进机构的最大原始长度,用于通过复印模式选择性地设置扫描复印模式或纸张,并用于控制所选原稿的位置。
    • 29. 发明授权
    • Process for producing perfluoropolyether carboxylic acid fluoride
    • 制备全氟聚醚羧酸氟化物的方法
    • US08513459B2
    • 2013-08-20
    • US12223551
    • 2007-02-01
    • Sunao Ikeda
    • Sunao Ikeda
    • C08G65/323C08G65/16
    • C08G65/007C08G65/3236C08L71/00
    • Perfluoropolyether carboxylic acid fluoride having the following general formula: F(CF2CF2CF2O)nCF2CF2COF (n: 2-200, preferably 35-70) can be produced by starting fluorination reaction of polyfluoropolyether carboxylic acid having the general formula as a tetrafluorooxetane polymer: F(CH2CF2CF2O)nCH2CF2COF (n: 2-200) in a dispersed state in a perfluoropolyether-based solvent with a fluorine gas at 50°-80° C., then slowly elevating the fluorination reaction temperature, and finally completing the fluorination reaction at 100°-120° C., where even in the case of fluorination reaction of the starting material with a high degree of polymerization the desired product can be produced in high yield, while suppressing the decomposition and keeping the high degree of polymerization substantially.
    • 具有以下通式的F(CF 2 CF 2 CF 2 O)n CF 2 CF 2 COF(n:2-200,优选35-70)的全氟聚醚羧酸氟化物可以通过使具有通式的多氟聚醚羧酸作为四氟氧杂环丁烷聚合物:F(CH 2 CF 2 CF 2 O) )nCH 2 CF 2 COF(n:2-200)在氟化气体在50〜80℃的全氟聚醚系溶剂中分散,然后缓慢升高氟化反应温度,最后在100℃完成氟化反应, 120℃,即使在起始材料具有高聚合度的氟化反应的情况下,也可以高效率地制备所需的产物,同时抑制分解并保持高的聚合度。
    • 30. 发明授权
    • Process for producing 2,2,3,3,-tetrafluorooxetane
    • 制备2,2,3,3-四氟氧杂环丁烷的方法
    • US07737299B2
    • 2010-06-15
    • US10589418
    • 2005-02-10
    • Sunao IkedaTakehiro Sonoi
    • Sunao IkedaTakehiro Sonoi
    • C07C59/00
    • C07D305/08
    • In the production of 2,2,3,3-tetrafluorooxethane by reaction of tetrafluoroethylene with a compound of formaldehyde generation source in anhydrous hydrogen fluoride, the reaction is carried out in the presence of polyfluoroalkylcarboxylic acid or polyfluoroalkyl ester thereof, represented by the following general formula RfCOORf′ (where Rf is a polyfluoroalkyl group having 1-5 carbon atoms, and Rf′ is a hydrogen atom or a polyfluoroalkyl group having 1-5 carbon atoms), preferably CF3COOH, CF3COOCH2CF2CF3, or CF3COOCH2CF3, whereby a high reaction yield can be attained.
    • 在通过四氟乙烯与无水氟化氢中的甲醛生成源的化合物的反应制备2,2,3,3-四氟乙烷时,反应在多氟烷基羧酸或其多氟烷基酯的存在下进行,由以下通式 式RfCOORf'(其中Rf是具有1-5个碳原子的多氟烷基,Rf'是氢原子或具有1-5个碳原子的多氟烷基),优选CF 3 COOH,CF 3 COOCH 2 CF 2 CF 3或CF 3 COOCH 2 CF 3,由此高的反应产率可以 实现。