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1. 发明申请

US20200073295A1 PRESSURE ROLLER FOR FIXING APPARATUS, FIXING APPARATUS AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200073295A1
公开(公告)日：2020-03-05
申请号：US16539125
申请日：2019-08-13
申请人： CANON KABUSHIKI KAISHA
发明人： Sho Taguchi , Naofumi Murata , Katsuhisa Matsunaka , Yutaka Arai
IPC分类号： G03G15/20
摘要： A pressure roller, and the pressure roller to be used in a fixing apparatus of in an image forming apparatus, the fixing apparatus configured to heat a toner image formed on a recording material and fix the toner image on the recording material, the pressure roller including a first elastic layer, and a second elastic layer provided on an outside of the first elastic layer, wherein a thermal conductivity of the first elastic layer is higher than a thermal conductivity of the second elastic layer, and wherein the first elastic layer contains a plurality of void portions, hole pathway portions joining the plurality of void portions to each other, and a needle-shaped high thermal conductive filler.

2. 发明申请

US20190105888A1 METHOD FOR FIXING RESIN TUBE TO DIE AND MANUFACTURING METHOD FOR RESIN-TUBE COVERED ROLLER 审中-公开
公开(公告)号：US20190105888A1
公开(公告)日：2019-04-11
申请号：US16213767
申请日：2018-12-07
申请人： CANON KABUSHIKI KAISHA
发明人： Takeshi Suzuki , Yutaka Arai , Masaaki Takahashi , Shigeaki Takada , Akeshi Asaka , Yukio Sasame , Masayuki Onuma
IPC分类号： B32B37/12 , B29D99/00 , G03G15/20
摘要： One end portion of a resin tube kept in a diameter expanded state by a plurality of diameter expanding claws is disengaged from the diameter expanding claws and is shifted onto an outer peripheral surface of a die by applying a pressing force toward the other end portion of the resin tube to an end surface of the one end portion of the resin tube.

3. 发明授权

US09606486B2 Elastic roller with needle-shaped filler and fixing device 有权
公开(公告)号：US09606486B2
公开(公告)日：2017-03-28
申请号：US14798230
申请日：2015-07-13
申请人： CANON KABUSHIKI KAISHA
发明人： Yutaka Arai , Takeshi Suzuki , Jun Miura , Shigeaki Takada , Toshinori Nakayama , Naoki Akiyama , Daigo Matsuura , Yasuhiro Miyahara , Akeshi Asaka , Shuichi Tamura , Katsuhisa Matsunaka , Shinsuke Takahashi , Hiroto Sugimoto
IPC分类号： G03G15/20
CPC分类号： G03G15/206 , G03G2215/2035
摘要： An elastic layer includes a needle-shaped filler and a void and has a porosity of 20 vol % or more and 60 vol % or less. The elastic layer contains a first area and a second area. The first area extends from a surface of the elastic layer opposite to a surface facing the mandrel toward the mandrel and has a thickness of 30% of the thickness of the elastic layer. The second area is a central area in a thickness direction of the elastic layer and has a thickness of 40% of the thickness of the elastic layer. The needle-shaped filler in the second area has an orientation degree of 50% or lower. The needle-shaped filler in the first area has an orientation degree higher than that of the needle-shaped filler in the second area.

4. 发明授权

US09417575B2 Pressure member configured to inhibit wrinkle formation and fixing device 有权
标题翻译：构造成抑制皱纹形成和固定装置的压力构件
公开(公告)号：US09417575B2
公开(公告)日：2016-08-16
申请号：US14800499
申请日：2015-07-15
申请人： CANON KABUSHIKI KAISHA
发明人： Jun Miura , Yutaka Arai , Shigeaki Takada , Akeshi Asaka
IPC分类号： G03G15/20
CPC分类号： G03G15/206 , G03G2215/2035
摘要： A pressure member includes a base, an elastic layer outside the base, and a surface layer on the elastic layer, the surface layer containing a fluorine-containing resin. The surface layer is fixed on the elastic layer in a state of being stretched in the longitudinal direction of the pressure member, the elastic layer has a porosity of 20% by volume or more and 60% by volume or less, and when the elastic modulus of the elastic layer in the thickness direction is defined as E (ND) and the elastic modulus of the elastic layer in the longitudinal direction of the pressure member is defined as E (MD), E (MD)/E (ND) is larger than 1.0.
摘要翻译：压力构件包括基部，基部外侧的弹性层和弹性层上的表面层，表面层含有含氟树脂。表面层在沿着加压部件的长度方向拉伸的状态下固定在弹性层上，弹性层的孔隙率为20体积％以上且60体积％以下，当弹性模量将弹性层的厚度方向的弹性模量定义为E（ND），将弹性层沿压力构件的长度方向的弹性模量定义为E（MD），E（MD）/ E（ND）越大比1.0。

5. 发明申请

US20160018772A1 PRESSURE MEMBER AND FIXING DEVICE 有权
标题翻译：压力构件和固定装置
公开(公告)号：US20160018772A1
公开(公告)日：2016-01-21
申请号：US14800499
申请日：2015-07-15
申请人： CANON KABUSHIKI KAISHA
发明人： Jun Miura , Yutaka Arai , Shigeaki Takada , Akeshi Asaka
IPC分类号： G03G15/20
CPC分类号： G03G15/206 , G03G2215/2035
摘要： A pressure member includes a base, an elastic layer outside the base, and a surface layer on the elastic layer, the surface layer containing a fluorine-containing resin. The surface layer is fixed on the elastic layer in a state of being stretched in the longitudinal direction of the pressure member, the elastic layer has a porosity of 20% by volume or more and 60% by volume or less, and when the elastic modulus of the elastic layer in the thickness direction is defined as E (ND) and the elastic modulus of the elastic layer in the longitudinal direction of the pressure member is defined as E (MD), E (MD)/E (ND) is larger than 1.0.
摘要翻译：压力构件包括基部，基部外侧的弹性层和弹性层上的表面层，表面层含有含氟树脂。表面层在沿着加压部件的长度方向拉伸的状态下固定在弹性层上，弹性层的孔隙率为20体积％以上且60体积％以下，当弹性模量将弹性层的厚度方向的弹性模量定义为E（ND），将弹性层沿压力构件的长度方向的弹性模量定义为E（MD），E（MD）/ E（ND）越大比1.0。

6. 发明申请

US20160018765A1 FIXING MEMBER 有权
标题翻译：固定会员
公开(公告)号：US20160018765A1
公开(公告)日：2016-01-21
申请号：US14755075
申请日：2015-06-30
申请人： CANON KABUSHIKI KAISHA
发明人： Shuichi Tamura , Akeshi Asaka , Hiroto Sugimoto , Shinsuke Takahashi , Shigeaki Takada , Yutaka Arai , Jun Miura
IPC分类号： G03G15/20
CPC分类号： G03G15/206 , G03G15/2053 , G03G15/2057 , G03G15/2064 , G03G2215/2035 , G03G2215/2048
摘要： A fixing member, includes: a base layer; and a porous elastic layer provided on the base layer and configured to contain a needle-like filler. The elastic layer has a thermal conductivity, with respect to a longitudinal direction thereof, which is 6 times to 900 times a thermal conductivity with respect to a thickness direction thereof. The elastic layer has an open cell rate larger at longitudinal end portions than at a longitudinal central portion.
摘要翻译：固定构件，包括：基层; 以及多孔弹性层，其设置在所述基底层上并且构造成容纳针状填料。弹性层相对于其长度方向具有相对于其厚度方向的导热性的6〜900倍的热导率。弹性层的纵向端部的开孔率比纵向中心部分宽。

7. 发明申请

US20140248071A1 FIXING DEVICE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS 有权
标题翻译：固定装置和电子图像形成装置
公开(公告)号：US20140248071A1
公开(公告)日：2014-09-04
申请号：US14279545
申请日：2014-05-16
申请人： CANON KABUSHIKI KAISHA
发明人： Katsuhisa Matsunaka , Yutaka Arai , Jun Miura , Jiro Ishizuka , Shuichi Tamura , Ryo Yashiro , Hiroto Sugimoto , Naoki Akiyama , Kenji Hashimoto , Yasuhiro Miyahara , Hiroki Muramatsu , Koji Sato
IPC分类号： G03G15/20
CPC分类号： G03G15/2057 , G03G15/2017
摘要： Provided is a fixing device whose required heat generation amount can be obtained with a smaller amount of a microwave absorbing material, hence start-up (warm-up) time for achieving fixable temperature of the fixing device can be shortened without impairing characteristics such as flexibility, releasing property, durability. The fixing device comprises: a heating member; a pressurizing member; and a microwave generating unit, the fixing device being configured to fix an unfixed toner on a recording material by passing the recording material through a nip formed between the heating member and the pressurizing member, wherein: the heating member includes a heat generating layer for generating heat with microwave generated by the microwave generating unit; and the heat generating layer contains a high molecular compound and a carbon fiber having an average fiber diameter of 80-150 nm, an average fiber length of 6-10 μm, and in Raman spectrum, an absorption peak resulting from graphite structure.
摘要翻译：提供了一种定影装置，其能够用较少量的微波吸收材料获得所需的发热量，因此可以缩短用于实现定影装置的可固定温度的启动（预热）时间，而不会损害诸如柔性的特性，释放性能，耐用性。定影装置包括：加热构件; 加压构件; 微波发生单元，所述定影装置被配置为通过使所述记录材料通过所述加热构件和所述加压构件之间形成的辊隙而将未定影调色剂固定在记录材料上，其中：所述加热构件包括用于产生用微波产生单元产生的微波加热; 并且发热层含有平均纤维直径为80-150nm，平均纤维长度为6-10μm的拉曼光谱，由石墨结构产生的吸收峰的高分子化合物和碳纤维。

8. 发明授权

US10534297B2 Electrophotographic rotatable pressing member and method of manufacturing the same, and fixing device 有权
公开(公告)号：US10534297B2
公开(公告)日：2020-01-14
申请号：US16426498
申请日：2019-05-30
申请人： CANON KABUSHIKI KAISHA
发明人： Jun Miura , Yutaka Arai , Takeshi Suzuki , Akeshi Asaka , Shigeaki Takada , Masaaki Takahashi , Yo Imaizumi
IPC分类号： G03G15/20 , B05D1/30
摘要： Provided is an electrophotographic rotatable pressing member having further durability. The electrophotographic rotatable pressing member includes: a substrate; and an elastic layer formed on the substrate, the elastic layer containing a silicone rubber and a needle-shaped filler dispersed in the silicone rubber and having hollow parts, wherein, when cutting the elastic layer along a cross section including a center axis of the substrate in a longitudinal direction of the electrophotographic rotatable pressing member, and a total of each sectional area of the hollow parts in a unit area A2 of a cross-sectional surface is defined as A1, a standard deviation of an area ratio A1/A2 is 0.08 or less.

9. 发明申请

US20150266055A1 METHOD FOR MANUFACTURING PRESSURE ROTATING MEMBER 审中-公开
标题翻译：制造压力旋转构件的方法
公开(公告)号：US20150266055A1
公开(公告)日：2015-09-24
申请号：US14730766
申请日：2015-06-04
申请人： CANON KABUSHIKI KAISHA
发明人： Jun Miura , Yutaka Arai
IPC分类号： B05D1/30
CPC分类号： G03G15/206 , B05D1/30 , G03G15/2057 , G03G2215/2035
摘要： The present invention relates to a pressure rotating member which achieves the shortening of a warm-up time while suppressing a non-recording material-contacting area's temperature rise. The pressure rotating member which is used in a thermal fixing apparatus includes: a substrate; and an elastic layer that is formed on the substrate and has a void, wherein the elastic layer contains a needle-shaped filler, wherein the needle-shaped filler has such a thermal conductivity λ1 of the elastic layer in a direction along a rotary axis of the pressure rotating member as to be 6 times or more and 900 times or less of a thermal conductivity λ2 of the elastic layer in a thickness direction.
摘要翻译：本发明涉及一种在抑制非记录材料接触区域的温度上升的同时实现预热时间缩短的压力旋转部件。在热定影装置中使用的压力旋转构件包括：基板; 以及形成在所述基板上并具有空隙的弹性层，其中所述弹性层包含针状填料，其中所述针状填料在沿着旋转轴线的方向上具有弹性层的热导率λ1 压力旋转构件的厚度方向的弹性层的导热率λ2的6倍以上且900倍以下。

10. 发明申请

US20150147101A1 ROLLER, HEATING MEMBER, AND IMAGE HEATING APPARATUS EQUIPPED WITH ROLLER AND HEATING MEMBER 有权
标题翻译：滚筒，加热构件和图像加热装置配有滚子和加热构件
公开(公告)号：US20150147101A1
公开(公告)日：2015-05-28
申请号：US14553115
申请日：2014-11-25
申请人： CANON KABUSHIKI KAISHA
发明人： Toshinori Nakayama , Hiroto Sugimoto , Masayuki Tamaki , Koichi Kakubari , Katsuhisa Matsunaka , Yutaka Arai , Jun Miura , Takeshi Suzuki , Naoki Akiyama , Shigeaki Takada , Yasuhiro Miyahara
IPC分类号： G03G15/20
CPC分类号： G03G15/206 , G03G15/2057
摘要： An image heating apparatus includes an endless belt configured to heat an image on a sheet at a nip potion, a heat generation device configured to cause the belt to generate heat, a nip forming member configured to form the nip portion between the nip forming member and the belt, and a pressing roller configured to press an inner surface of the belt toward the nip forming member, the pressing roller including an elastic porous layer containing a plurality of filler particles, wherein a thermal conductivity of the elastic porous layer in an axial direction of the pressing roller is in a range of 6 times to 900 times a thermal conductivity of the elastic porous layer in a radial direction of the pressing roller.
摘要翻译：图像加热装置包括：环形带，被配置为在夹持部处加热片材上的图像;构造成使带发热的发热装置;构造成在辊隙形成部件和辊隙形成部件之间形成辊隙部的辊隙形成部件; 所述带和构造成将所述带的内表面压向所述辊隙形成构件的加压辊，所述加压辊包括含有多个填料颗粒的弹性多孔层，其中所述弹性多孔层在轴向上的导热率的压力辊在挤压辊的径向方向上的弹性多孔层的导热率的6倍至900倍的范围内。

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