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1. 发明授权

US5708951A Toner image fixing device 失效
标题翻译：墨粉图像定影装置
公开(公告)号：US5708951A
公开(公告)日：1998-01-13
申请号：US732878
申请日：1996-10-16
申请人： Hideo Saito , Kazumi Inaba , Hideaki Sekiguchi , Keitaro Sonoguchi
发明人： Hideo Saito , Kazumi Inaba , Hideaki Sekiguchi , Keitaro Sonoguchi
IPC分类号： F16C13/00 , G03G15/20
CPC分类号： G03G15/2053 , G03G15/206
摘要： A toner image fixing device which has a satisfactory self-stripping ability to suppress the formation of creases of an envelope, and to prevent the abrasion of the elastic layers of a pair of toner image fixing rollers. In the fixing device, surface strain .di-elect cons.h in the circumferential direction of the first elastic layer of a first toner image fixing roller which comes in contact with a non-fixed toner image on a recording medium, and surface strain .di-elect cons.p in the circumferential direction of the second elastic layer of a second toner image fixing roller are defined by: .di-elect cons.h.gtoreq.0.0583 (.DELTA..di-elect cons.).sup.4 -0.6 (.DELTA..di-elect cons.).sup.3 +2.1917(.DELTA..di-elect cons.).sup.2 -3.65(.DELTA..di-elect cons.)+6 where .di-elect cons.h
摘要翻译：一种调色剂图像定影装置，其具有令人满意的自剥离能力，以抑制外壳褶皱的形成，并且防止一对调色剂图像定影辊的弹性层磨损。在定影装置中，与记录介质上的未固定调色剂图像接触的第一调色剂图像定影辊的第一弹性层的圆周方向上的+531小时的表面应变和第二调色剂图像定影辊的第二弹性层的圆周方向定义为：+531h> / = 0.0583（DELTA +531）4-0.6（DELTA +531）3 + 2.1917（DELTA +531）2-3.65（ DELTA +531）+6其中+531h <6％，DELTA +531

2. 发明授权

US06222606B1 Duplex imaging apparatus 有权
标题翻译：双面成像装置
公开(公告)号：US06222606B1
公开(公告)日：2001-04-24
申请号：US09359798
申请日：1999-07-26
申请人： Takashi Fuchiwaki , Akihisa Maruyama , Yasutomo Ishii , Katsuya Takenouchi , Keitaro Sonoguchi , Yasutaka Naito , Yasuyuki Kobayashi , Yoko Shimomura , Kazuhiko Miyazato , Shigehiko Haseba , Minoru Ueki , Satoshi Matsuzaka
发明人： Takashi Fuchiwaki , Akihisa Maruyama , Yasutomo Ishii , Katsuya Takenouchi , Keitaro Sonoguchi , Yasutaka Naito , Yasuyuki Kobayashi , Yoko Shimomura , Kazuhiko Miyazato , Shigehiko Haseba , Minoru Ueki , Satoshi Matsuzaka
IPC分类号： G03B2732
CPC分类号： G03G15/231 , G03G15/2025 , G03G2215/0177 , G03G2215/2083 , G03G2215/2093
摘要： Premising a duplex imaging apparatus having an image carrier provided with a plurality of image carrying regions, the image deterioration phenomenon (i.e., the so-called “oil ghost phenomenon”), as might otherwise accompany the local transfer of a releasing agent from a fixing unit to the image carrier, is effectively avoided. In a mode where the image carrier 2 is provided with the plural image carrying regions, duplex mode control unit 8 includes an imaging sequence determining portion 9 for determining such a fundamental imaging sequence that when duplex images are to be formed on sheets 4 more than an image carriable number of the image carrier 2, the fundamental sequence determining portion 9 causes the image carrier 2: to carry first screen images A less than the image carriable number in a first imaging cycle of an imaging unit 1; to carry images corresponding to the image carriable number in and after a second imaging cycle so that at least second screen images B may be positioned at the front of the first screen images A; and to carry the second screen images B less than the image carriable number in the last imaging cycle.
摘要翻译：提供具有设置有多个图像承载区域的图像载体的双面成像装置，图像劣化现象（即所谓的“油重影现象”）可能伴随着脱模剂从固定的局部转移单元到图像载体，被有效地避免。在图像载体2设置有多个图像承载区域的模式中，双面模式控制单元8包括用于确定这样的基本成像序列的成像序列确定部分9，即当在多于4个的片材4上形成双面图像时图像载体2的图像载体号，基本序列确定部分9使图像载体2在成像单元1的第一成像周期中携带小于图像载体数量的第一屏幕图像A; 以在第二成像周期中和之后携带与图像可载卡号相对应的图像，使得至少第二屏幕图像B可以位于第一屏幕图像A的前面; 并且在最后一个成像周期中携带第二屏幕图像B小于图像可携带号码。

3. 发明授权

US06173136B2 Fuser for two-sided imager 有权
标题翻译：双面成像器的定影器
公开(公告)号：US06173136B2
公开(公告)日：2001-01-09
申请号：US09365802
申请日：1999-08-03
申请人： Takashi Fuchiwaki , Akihisa Maruyama , Yasutomo Ishii , Katsuya Takenouchi , Keitaro Sonoguchi , Yasutaka Naito , Yasuyuki Kobayashi , Yoko Shimomura , Kazuhiko Miyazato , Shigehiko Haseba , Minoru Ueki , Satoshi Matsuzaka
发明人： Takashi Fuchiwaki , Akihisa Maruyama , Yasutomo Ishii , Katsuya Takenouchi , Keitaro Sonoguchi , Yasutaka Naito , Yasuyuki Kobayashi , Yoko Shimomura , Kazuhiko Miyazato , Shigehiko Haseba , Minoru Ueki , Satoshi Matsuzaka
IPC分类号： G03G1520
CPC分类号： G03G15/235 , G03G15/2025 , G03G2215/2083 , G03G2215/2093
摘要： Image deterioration (so-called oil ghost) due to local transfer of a release agent from a fuser to an intermediate transfer body is effectively prevented. The fuser has a pair of fixing members, a release supply mechanism, an interlocking mechanism, and an interlocking control mechanism. The fixing members are in contact with each other and roll over each other, thus nipping a sheet. The fixing members fix unfixed images on the sheet. The release agent supply mechanism is mounted to at least the fixing member located on the surface of the sheet carrying an unfixed image. The release agent supply mechanism supplies a release agent to this fixing member at a constant rate. The interlocking mechanism interlocks the fixing members and release agent supply mechanism with each other such that the fixing members are kept in contact with each other and roll over each other and that a release agent is supplied to the fixing members. When duplex mode is selected, the interlocking control mechanism controls the interlocking time of the interlocking mechanism according to the length of the path of the sheet going to the nip between the fixing members.
摘要翻译：有效地防止了由于脱模剂从定影器局部转移到中间转印体而导致的图像劣化（所谓的油重影）。定影器具有一对固定构件，释放供给机构，联锁机构和互锁控制机构。固定构件彼此接触并且彼此滚动，从而夹住片材。固定构件将未固定的图像固定在片材上。脱模剂供给机构至少安装在位于载有未定影图像的片材的表面上的固定构件。脱模剂供给机构以一定的速度向该固定部件供给脱模剂。互锁机构将固定部件和脱模剂供给机构互相联结，使得固定部件保持彼此接触并且彼此滚动，并且将脱模剂供给到固定部件。当选择双面模式时，互锁控制机构根据到达固定构件之间的辊隙的片材的路径的长度来控制互锁机构的联锁时间。

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