Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Hideaki Ohara

Kenji Omori

Tomotake Inagaki

Yasuhiro Uehara

Mitsuhiro Matsumoto

Ryohei Yoshikawa

Mikio Saiki

Kazuyoshi Ito

Tomoko Suzuki

Yusuke Watanabe

Junko Yamasaki

Hiroki Murakami

Junji Okada

Nobuyoshi Komatsu

Tadashi Suto

Hiromi Nagai

Kimiyuki Kawakami

Jun Kimura

Kenji Kajiwara

Yasutaka Naito

Kenta Yamakoshi

Hitoshi Komuro

Kazuyoshi Itoh

Yuka Ishihara

Atsumi Kurita

Kenta Shingu

Ryuichiro Maeyama

Yukiko Kamijo

Fumio Daishi

Ryosuke Kubota

Daisuke Nakashima

A fixing device includes: a first rotatable member; a second rotatable member disposed in contact with the first rotatable member; a pressing member that is disposed on an inner circumferential surface of the second rotatable member and presses the inner circumferential surface of the second rotatable member such that the second rotatable member is pressed against the first rotatable member; a sliding member interposed between the inner circumferential surface of the second rotatable member and the pressing member; and a lubricant interposed between the inner circumferential surface of the second rotatable member and the sliding member. The inner circumferential surface of the second rotatable member contains a resin having at least one group selected from the group consisting of an amido group, an imido group, a ketone group, and a sulfide group. A sliding surface of the sliding member contains a heat resistant thermoplastic resin other than a fluorocarbon resin and a resin having a siloxane group that is other than the heat resistant thermoplastic resin. The lubricant contains an oil having a siloxane group in a main chain.

Fixing device having reduced increase in rotational torque of second rotatable member providing an image with reduced unevenness in gloss to be formed and image forming apparatus using the same

A sliding member for a fixing device includes a resin layer that includes plural recessed portions on a surface of the resin layer, in which, in a top view, the recessed portion has a shape having a tip angle less than 90° in a sliding direction and an area ratio of an area of the recessed portions to a surface area of the resin layer is 30% or more and 70% or less.

Sliding member for fixing device, fixing device, and image forming apparatus

A fixing belt, in which, in a measurement of a Fourier transform power spectrum of a surface profile of an inner peripheral surface of the fixing belt, a ratio of an average of a power spectral density at a wavelength of 2 μm or more and 6 μm or less to an average of a power spectral density at a wavelength of 10 μm or more and 50 μm or less is 0.82 or more and 0.92 or less.

Fixing belt, fixing device, and image forming apparatus

A polymer material molded product includes a polymer material and a porous carbon material having an X-ray diffraction spectral characteristic shown in the following (1) or (2),

Polymer material molded product, fixing member, method for producing fixing member, fixing device, and image forming apparatus

An endless belt includes a resin and an acicular filler of which a thermal conductivity is 220 W/mK or more and 320 W/mK or less, a volume resistivity is 10&#x3a9;cm or more and 10&#x3a9;cm or less, and a content with respect to the endless belt is 1% by mass or more and 30% by mass or less.

Endless belt, fixing belt, fixing device, and image forming apparatus

A unit includes: a developing device configured to develop an electrostatic charge image that is formed on a surface of an image carrier, as a toner image with a developer including a brilliant toner containing a flat brilliant pigment, the developer being accommodated in the developing device; and a fixing device configured to fix the toner image onto a surface of a recording medium at a fixing temperature of 130&#xb0; C. or higher and 230&#xb0; C. or lower that includes a fixing belt, a first roller and a second roller that are disposed inside the fixing belt and support the fixing belt while applying tension to the fixing belt, and a pressure roller, the first roller and the pressure roller sandwiching the fixing belt to form a nip portion.

Unit and image forming apparatus for fixing a toner image with a developer including a brilliant toner containing a flat brilliant pigment

An endless belt includes a metal substrate, and a heat-resistant resin layer that is disposed as an innermost layer on an inner peripheral surface of the metal substrate and that contains a resin and a thermally conductive filler having an aspect ratio of 20 or more. In the heat-resistant resin layer, an orientation ratio of the thermally conductive filler with respect to a circumferential direction of the endless belt is 20% or more.

Endless belt, fixing device, and image forming apparatus

An endless belt includes a substrate layer, and a first surface layer that is disposed on an outer circumferential surface of the substrate layer and that includes a cross-linked fluororesin layer. A layer containing a cross-linked fluororesin forms the inner circumferential surface of the belt. Martens hardness of the inner circumferential surface of the belt at 130&#xb0; C. is higher than Martens hardness of the outer circumferential surface of the belt at 130&#xb0; C.

Endless belt, heat-sealing device, fixing device, and article transfer device

A fixing member includes a substrate layer including a resin; a first metal layer that is provided on an outer peripheral surface of the substrate layer and including Cu; a second metal layer that is provided on the outer peripheral surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has crystal orientation indexes of 0.80 to 1.30 for a (111) plane, 0.80 to 1.50 for a (200) plane, and 0.70 to 1.30 for a (311) plane; and an elastic layer that is provided on an outer peripheral surface of the second metal layer.

Fixing member, fixing unit, and image forming apparatus

A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer circumferential surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer circumferential surface of the first metal layer so as to be in contact with the first metal layer and includes Ni, and has crystal orientation indexes of from 1.0 to 1.8 for a (111) plane, from 0.5 to 1.3 for a (200) plane, and from 1.0 to 1.6 for a (311) plane; and an elastic layer that is provided on an outer circumferential surface of the second metal layer.

An image-forming-apparatus sliding member includes a woven base and a cover layer disposed on at least one surface of the woven base. The average height of projections and depressions on a sliding surface is greater than or equal to 40 &#x3bc;m and smaller than or equal to 90 &#x3bc;m, and an average distance between the projections and the depressions is greater than or equal to 700 &#x3bc;m and smaller than or equal to 1600 &#x3bc;m.

Image-forming-apparatus sliding member, fixing device, and image forming apparatus

A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer circumferential surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer circumferential surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has crystal orientation indexes of from 0 to 1.08 for a (111) plane, from 1.42 to 4.25 for a (200) plane, and from 0.07 to 0.69 for a (311) plane; and an elastic layer that is provided on an outer circumferential surface of the second metal layer.

A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer peripheral surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer peripheral surface of the first metal layer so as to be in contact with the first metal layer, includes Ni, and has an average crystal grain size of 0.15 &#x3bc;m to 0.19 &#x3bc;m; and an elastic layer that is provided on an outer peripheral surface of the second metal layer.

A fixing device includes a fixing member that fixes a toner image to a recording medium, a pressure member that forms, together with the fixing member, a pressure portion through which the recording medium carrying the toner image yet to be fixed passes, and a heating member including a heating layer that generates heat when energized and an insulating layer that encloses the heating layer so as to electrically insulate the heating layer. The heating member has a curved shape along an inner peripheral surface of the fixing member, in a state in which no external force is applied, and is in contact with the inner peripheral surface of the fixing member.

Fixing device, heating device, image forming apparatus, and method of manufacturing heating device

Provided is a fixing device including a heating unit that includes a circularly moving heating belt, and a pressurizing roller that presses an external face of the heating belt, the fixing device fixing a toner image on a sheet onto the sheet by nipping the sheet between the heating belt and the pressurizing roller and by heating and pressurizing the sheet transported with the toner image being held.

Growing community of inventors

Kanagawa, Japan

Hideaki Ohara