公开(公告)号：US20050129432A1

公开(公告)日：2005-06-16

申请号：US10991545

申请日：2004-11-19

申请人： Masahiko Sato ,  Ken Omura ,  Naoki Iwaya ,  Akira Shinshi

发明人： Masahiko Sato ,  Ken Omura ,  Naoki Iwaya ,  Akira Shinshi

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G15/20

CPC分类号： G03G15/2064 ,  G03G15/2017 ,  G03G2215/2016 ,  G03G2215/2032

摘要： It is an object of the present invention to provide a fixing apparatus with which the movement of heat to the fixing belt during warm-up is suppressed, and the time it takes for the heating roller temperature to rise can be shortened, by reducing the contact surface area between the fixing belt and the heating roller, and an image formation apparatus that makes use of this fixing apparatus, and a toner used therein. A separation member provided on the inside of the fixing belt forms a pair with a tension roller, and a switching device for switching the positions thereof switches the positions when a set temperature is detected by temperature sensing device installed on the heating roller, so that the contact surface area of the fixing belt on the heating roller is different during warm-up and during fixing.

摘要翻译： 本发明的目的是提供一种定影装置，通过该定影装置可以抑制在预热期间对定影带的热量的移动，并且可以通过减少接触而缩短加热辊温度上升所花费的时间 定影带和加热辊之间的表面积以及使用该定影装置的图像形成装置和其中使用的调色剂。 设置在定影带的内侧的分离构件与张​​紧辊成对，用于切换位置的切换装置通过安装在加热辊上的温度检测装置检测设定温度来切换位置， 加热辊上的定影带的接触表面积在预热和固定期间是不同的。

公开(公告)号：US07239838B2

公开(公告)日：2007-07-03

申请号：US10991545

申请日：2004-11-19

申请人： Masahiko Sato ,  Ken Omura ,  Naoki Iwaya ,  Akira Shinshi

发明人： Masahiko Sato ,  Ken Omura ,  Naoki Iwaya ,  Akira Shinshi

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G15/2017 ,  G03G2215/2016 ,  G03G2215/2032

摘要： It is an object of the present invention to provide a fixing apparatus with which the movement of heat to the fixing belt during warm-up is suppressed, and the time it takes for the heating roller temperature to rise can be shortened, by reducing the contact surface area between the fixing belt and the heating roller, and an image formation apparatus that makes use of this fixing apparatus, and a toner used therein. A separation member provided on the inside of the fixing belt forms a pair with a tension roller, and a switching device for switching the positions thereof switches the positions when a set temperature is detected by temperature sensing device installed on the heating roller, so that the contact surface area of the fixing belt on the heating roller is different during warm-up and during fixing.

摘要翻译： 本发明的目的是提供一种定影装置，通过该定影装置可以抑制在预热期间对定影带的热量的移动，并且可以通过减少接触而缩短加热辊温度上升所花费的时间 定影带和加热辊之间的表面积以及使用该定影装置的图像形成装置和其中使用的调色剂。 设置在定影带的内侧的分离构件与张​​紧辊成对，用于切换位置的切换装置通过安装在加热辊上的温度检测装置检测设定温度来切换位置， 加热辊上的定影带的接触表面积在预热和固定期间是不同的。

公开(公告)号：US07313353B2

公开(公告)日：2007-12-25

申请号：US11525814

申请日：2006-09-25

申请人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

发明人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2016 ,  G03G2215/2032 ,  G03G2215/2041 ,  G03G2215/2083

摘要： A belt fixing unit, an image forming apparatus, and a toner material are disclosed capable of obviating undesirable fixing belt deformation and low image quality. The belt fixing unit includes a fixing roller, a heating roller, a fixing belt, and a pressing roller in contact with the fixing roller to form a fixing nip having the fixing belt intervening there between, the fixing belt including at least a base member formed of a heat-resisting resin having a thickness of 90 μm or smaller and acted upon by a tensile force of 0.49 N/mm or less. The toner is a low-melting point toner formed by subjecting a toner preparatory solution containing at least a prepolymer having a functional group containing a nitrogen atom, a polyester, a colorant and a releasing agent dispersed in an organic solvent to extension and/or crosslinking reactions in an aqueous medium.

公开(公告)号：US20050163543A1

公开(公告)日：2005-07-28

申请号：US11020205

申请日：2004-12-27

申请人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

发明人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2016 ,  G03G2215/2032 ,  G03G2215/2041 ,  G03G2215/2083

摘要： A belt fixing unit, an image forming apparatus, and a toner material are disclosed capable of obviating undesirable fixing belt deformation and low image quality. The belt fixing unit includes a fixing roller, a heating roller, a fixing belt, and a pressing roller in contact with the fixing roller to form a fixing nip having the fixing belt intervening there between, the fixing belt including at least a base member formed of a heat-resisting resin having a thickness of 90 μm or smaller and acted upon by a tensile force of 0.49 N/mm or less. The toner is a low-melting point toner formed by subjecting a toner preparatory solution containing at least a prepolymer having a functional group containing a nitrogen atom, a polyester, a colorant and a releasing agent dispersed in an organic solvent to extension and/or crosslinking reactions in an aqueous medium.

摘要翻译： 公开了一种带固定单元，图像形成装置和调色剂材料，能够消除不期望的定影带变形和低图像质量。 带固定单元包括定影辊，加热辊，定影带和与定影辊接触的加压辊，以形成定影辊隙，该定影辊隙具有介于其间的定影带，定影带至少包括形成的基件 的耐热树脂，其厚度为90μm以下，通过0.49N / mm以下的拉伸力进行作用。 调色剂是通过使包含至少具有含有氮原子的官能团的预聚物的调色剂制备溶液，分散在有机溶剂中的聚酯，着色剂和脱模剂进行延伸和/或交联而形成的低熔点调色剂 水介质中的反应。

公开(公告)号：US20070014603A1

公开(公告)日：2007-01-18

申请号：US11525814

申请日：2006-09-25

申请人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

发明人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2016 ,  G03G2215/2032 ,  G03G2215/2041 ,  G03G2215/2083

摘要： A belt fixing unit, an image forming apparatus, and a toner material are disclosed capable of obviating undesirable fixing belt deformation and low image quality. The belt fixing unit includes a fixing roller, a heating roller, a fixing belt, and a pressing roller in contact with the fixing roller to form a fixing nip having the fixing belt intervening there between, the fixing belt including at least a base member formed of a heat-resisting resin having a thickness of 90 μm or smaller and acted upon by a tensile force of 0.49 N/mm or less. The toner is a low-melting point toner formed by subjecting a toner preparatory solution containing at least a prepolymer having a functional group containing a nitrogen atom, a polyester, a colorant and a releasing agent dispersed in an organic solvent to extension and/or crosslinking reactions in an aqueous medium.

摘要翻译： 公开了一种带固定单元，图像形成装置和调色剂材料，能够消除不期望的定影带变形和低图像质量。 带固定单元包括定影辊，加热辊，定影带和与定影辊接触的加压辊，以形成定影辊隙，该定影辊隙具有介于其间的定影带，定影带至少包括形成的基件 的耐热树脂，其厚度为90μm以下，通过0.49N / mm以下的拉伸力进行作用。 调色剂是通过使包含至少具有含有氮原子的官能团的预聚物的调色剂制备溶液，分散在有机溶剂中的聚酯，着色剂和脱模剂进行延伸和/或交联而形成的低熔点调色剂 水介质中的反应。

公开(公告)号：US07127204B2

公开(公告)日：2006-10-24

申请号：US11020205

申请日：2004-12-27

申请人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

发明人： Masahiko Satoh ,  Masami Tomita ,  Setsuo Soga ,  Takahiro Yoshikawa ,  Toshiharu Hachisuka ,  Yasuhiro Kohira ,  Ken Omura ,  Akira Shinshi ,  Naoki Iwaya

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2016 ,  G03G2215/2032 ,  G03G2215/2041 ,  G03G2215/2083

摘要： A belt fixing unit, an image forming apparatus, and a toner material are disclosed capable of obviating undesirable fixing belt deformation and low image quality. The belt fixing unit includes a fixing roller, a heating roller, a fixing belt, and a pressing roller in contact with the fixing roller to form a fixing nip having the fixing belt intervening there between, the fixing belt including at least a base member formed of a heat-resisting resin having a thickness of 90 μm or smaller and acted upon by a tensile force of 0.49 N/mm or less. The toner is a low-melting point toner formed by subjecting a toner preparatory solution containing at least a prepolymer having a functional group containing a nitrogen atom, a polyester, a colorant and a releasing agent dispersed in an organic solvent to extension and/or crosslinking reactions in an aqueous medium.

摘要翻译： 公开了一种带固定单元，图像形成装置和调色剂材料，能够消除不期望的定影带变形和低图像质量。 带固定单元包括定影辊，加热辊，定影带和与定影辊接触的加压辊，以形成定影辊隙，该定影辊隙具有介于其间的定影带，定影带至少包括形成的基件 的耐热树脂，其厚度为90μm以下，通过0.49N / mm以下的拉伸力进行作用。 调色剂是通过使包含至少具有含有氮原子的官能团的预聚物的调色剂制备溶液，分散在有机溶剂中的聚酯，着色剂和脱模剂进行延伸和/或交联而形成的低熔点调色剂 水介质中的反应。

公开(公告)号：US08600276B2

公开(公告)日：2013-12-03

申请号：US13014306

申请日：2011-01-26

申请人： Kenji Ishii ,  Masaaki Yoshikawa ,  Tetsuo Tokuda ,  Yoshiki Yamaguchi ,  Kenichi Hasegawa ,  Yutaka Ikebuchi ,  Akira Shinshi ,  Naoki Iwaya ,  Takamasa Hase ,  Takahiro Imada ,  Toshihiko Shimokawa ,  Ippei Fujimoto ,  Hiroshi Yoshinaga ,  Shuntaroh Tamaki

发明人： Kenji Ishii ,  Masaaki Yoshikawa ,  Tetsuo Tokuda ,  Yoshiki Yamaguchi ,  Kenichi Hasegawa ,  Yutaka Ikebuchi ,  Akira Shinshi ,  Naoki Iwaya ,  Takamasa Hase ,  Takahiro Imada ,  Toshihiko Shimokawa ,  Ippei Fujimoto ,  Hiroshi Yoshinaga ,  Shuntaroh Tamaki

IPC分类号： G03G15/20

CPC分类号： G03G15/2053

摘要： A heat conduction unit includes a flexible endless belt, a heat conductor disposed in proximity to an inner circumferential face of the endless belt and having a cross-section substantially identical to a cross-section of the endless belt, a heat source that heats the heat conductor to heat the endless belt, a pressing roller disposed opposite the heat conductor to rotate the endless belt in accordance with rotation of the pressing roller, a nip formation member disposed opposite the pressing roller and within a loop formed by the endless belt to form a nip between the endless belt and the pressing roller, and a pushing member disposed within the loop to support the nip formation member. The heat conductor has at least two different cross-sectional shapes perpendicular to a long direction of the heat conductor at different positions in the long direction of the heat conductor.

摘要翻译： 热传导单元包括柔性环形带，设置在环形带的内周面附近并具有与环形带的横截面基本相同的横截面的热导体，加热热量的热源 用于加热环形带的导体，与热导体相对设置的加压辊，以根据加压辊的旋转来旋转环形带;辊隙形成部件，其设置在加压辊的对面，并且在由环形带形成的环内形成 在环形带和加压辊之间夹紧，以及设置在环内的推动构件以支撑辊隙形成构件。 热导体在热导体的长方向上的不同位置处具有垂直于热导体的长方向的至少两个不同的横截面形状。

公开(公告)号：US08594549B2

公开(公告)日：2013-11-26

申请号：US12849404

申请日：2010-08-03

申请人： Toshihiko Shimokawa ,  Masaaki Yoshikawa ,  Akira Shinshi ,  Kenji Ishii ,  Hiroshi Yoshinaga ,  Naoki Iwaya ,  Tetsuo Tokuda ,  Kenichi Hasegawa ,  Yoshiki Yamaguchi ,  Shuntaroh Tamaki ,  Takahiro Imada ,  Ippei Fujimoto ,  Takamasa Hase ,  Yutaka Ikebuchi

发明人： Toshihiko Shimokawa ,  Masaaki Yoshikawa ,  Akira Shinshi ,  Kenji Ishii ,  Hiroshi Yoshinaga ,  Naoki Iwaya ,  Tetsuo Tokuda ,  Kenichi Hasegawa ,  Yoshiki Yamaguchi ,  Shuntaroh Tamaki ,  Takahiro Imada ,  Ippei Fujimoto ,  Takamasa Hase ,  Yutaka Ikebuchi

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G2215/2016

摘要： In a fixing device, a pressing member rotates in a predetermined direction of rotation. A flexible fixing member is disposed opposite the pressing member to rotate in accordance with rotation of the pressing member. A nip formation member is provided inside a loop formed by the fixing member and pressed against the pressing member via the fixing member to form a nip between the fixing member and the pressing member through which a recording medium bearing a toner image passes. A contact member pressingly contacts an outer circumferential surface of the rotating fixing member at both ends of the fixing member in an axial direction thereof.

摘要翻译： 在固定装置中，按压构件沿预定的旋转方向旋转。 柔性固定构件与按压构件相对设置，以根据按压构件的旋转而旋转。 在由固定构件形成的环内设置有压区形成构件，并且经由固定构件压靠在按压构件上，以在固定构件和按压构件之间形成辊隙，通过该挤压构件支承调色剂图像的记录介质通过。 接触构件在固定构件的轴向的两端处按压接触旋转固定构件的外周面。

公开(公告)号：US08583019B2

公开(公告)日：2013-11-12

申请号：US13024736

申请日：2011-02-10

申请人： Kenji Ishii ,  Masaaki Yoshikawa ,  Yoshiki Yamaguchi ,  Toshihiko Shimokawa ,  Naoki Iwaya ,  Takahiro Imada ,  Yutaka Ikebuchi ,  Takamasa Hase ,  Tetsuo Tokuda ,  Hiroshi Yoshinaga ,  Kenichi Hasegawa ,  Ippei Fujimoto ,  Akira Shinshi

发明人： Kenji Ishii ,  Masaaki Yoshikawa ,  Yoshiki Yamaguchi ,  Toshihiko Shimokawa ,  Naoki Iwaya ,  Takahiro Imada ,  Yutaka Ikebuchi ,  Takamasa Hase ,  Tetsuo Tokuda ,  Hiroshi Yoshinaga ,  Kenichi Hasegawa ,  Ippei Fujimoto ,  Akira Shinshi

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2035

摘要： A fixing device includes an endless belt-shaped fixing member; a pressing member; a contact member provided inside a loop formed by the fixing member and pressed against the pressing member via the fixing member to form a nip between the pressing member and the fixing member, a laminated heater facing an inner circumferential face of the fixing member to heat the fixing member, connected to an external power source, and including a heat generation sheet that includes a heat-resistant resin in which conductive particles to receive electricity from the external power source and generate heat are unevenly dispersed throughout the heat-resistant resin to have a dispersal gradient of increasing particle dispersion density from an inner face toward an outer face of the heat generation sheet; and a heater support to support the laminated heater along the inner circumferential face of the fixing member.

摘要翻译： 定影装置包括环形带状固定构件; 按压构件; 接触构件，设置在由所述固定构件形成的环内，并且经由所述固定构件压靠在所述按压构件上，以在所述按压构件和所述固定构件之间形成夹持部;层叠加热器，面向所述固定构件的内周面， 固定构件，连接到外部电源，并且包括发热片，其包括耐热树脂，其中从外部电源接收电力并产生热的导电颗粒不均匀地分散在整个耐热树脂中，以具有 从发热片的内表面向外表面增加颗粒分散密度的分散梯度; 以及加热器支撑件，用于沿着固定构件的内周面支撑层压加热器。

公开(公告)号：US08571457B2

公开(公告)日：2013-10-29

申请号：US12893361

申请日：2010-09-29

申请人： Kenichi Hasegawa ,  Masaaki Yoshikawa ,  Akira Shinshi ,  Kenji Ishii ,  Hiroshi Yoshinaga ,  Yoshiki Yamaguchi ,  Naoki Iwaya ,  Tetsuo Tokuda ,  Yutaka Ikebuchi ,  Toshihiko Shimokawa ,  Shuntaroh Tamaki ,  Takamasa Hase ,  Ippei Fujimoto ,  Takahiro Imada

发明人： Kenichi Hasegawa ,  Masaaki Yoshikawa ,  Akira Shinshi ,  Kenji Ishii ,  Hiroshi Yoshinaga ,  Yoshiki Yamaguchi ,  Naoki Iwaya ,  Tetsuo Tokuda ,  Yutaka Ikebuchi ,  Toshihiko Shimokawa ,  Shuntaroh Tamaki ,  Takamasa Hase ,  Ippei Fujimoto ,  Takahiro Imada

IPC分类号： G03G15/20

摘要： A fixing device includes a stationary at least partially tubular thermal member, a flexible fuser belt, a fuser pad, and a rotatable pressure member. The thermal member has a tubular portion thereof extending in an axial direction and defining a closed axial cross-section. A circumference of the thermal member is subjected to heating. The fuser belt is looped for rotation around the thermal member. An inner circumference of the fuser belt at least partially faces the thermal member. The fuser pad is held stationary inside the loop of the fuser belt. The pressure member extends opposite the thermal member in the axial direction with the fuser belt interposed between the fuser pad and the pressure member. The fuser pad is pressed against the pressure member through the fuser belt to form a fixing nip. The thermal member is spaced apart from the fuser pad.