Fujifilm Business Innovation Corp.

Fuji Xerox Co., Ltd.

Kenji Omori

Hideaki Ohara

Tomotake Inagaki

Jun Kimura

Ryohei Yoshikawa

Junko Yamasaki

Kenji Kajiwara

Koichi Matsumoto

Kenta Yamakoshi

Yukiko Kamijo

Hitoshi Komuro

Fumio Daishi

Masato Ono

Junji Okada

Toshiyuki Miyata

Yuka Ishihara

Takuro Hoshio

Shogo Hayashi

Yasuto Okabayashi

Shogo Tomari

Ryosuke Fujii

Satoshi Mizoguchi

Ryosuke Kubota

Tomoo Matsushima

Daisuke Nakashima

A transfer belt includes a substrate layer that includes polyester, silicone particles, and conductive particles.

Transfer belt having a substrate layer that includes polyester, silicone particles, and conductive particles, transfer device having the transfer belt, and image forming apparatus having the transfer device

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 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

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, an elastic layer on the substrate, and a surface layer on the elastic layer. The surface layer has transverse microhardness values within the range of 85 to 89, inclusive, and a transverse filtered maximum waviness (Wcm) of 0.1 &#x3bc;m or more and 4 &#x3bc;m or less.

Fixing member, method for producing fixing member, fixing device, and image forming apparatus

A roller member includes a core member; a substantially round-cylindrical elastic member through which the core member extends and having chamfered portions, the chamfered portions each provided at two respective ends of the elastic member and having a surface roughness of about 50 &#x3bc;m or less; and a coating film provided over an outer peripheral surface of the elastic member and at least a part of each of the chamfered portions.

Roller member, image carrier device, and image forming apparatus

A tubular body for an image forming apparatus is formed by subjecting a tubular member containing a thermoplastic resin to thermal processing. The thermal processing is performed so that at least one edge of the tubular member is thermally melted and then cured in at least a portion of the edge in a peripheral direction.

Tubular body, tubular body unit, and intermediate transfer body for image forming apparatus, image forming apparatus, and method for manufacturing tubular body

A tubular member includes a resin layer containing a thermoplastic resin and a conductive material, and the resin layer forming a sea part in which the thermoplastic resin becomes a matrix phase, wherein an area ratio of the sea part to a portion in a range of 5 &#x3bc;m respectively to a front surface portion side and a rear surface portion side with a central portion of the resin layer in a thickness direction as a center is greater by 3% to 15% than a greater area ratio between an area ratio of the sea part to a portion in a range of 10 &#x3bc;m from a front surface portion of the resin layer in the thickness direction and an area ratio of the sea part to a portion in a range of 10 &#x3bc;m from a rear surface portion in the thickness direction.

Tubular member, tubular member unit, intermediate transfer member, and image forming apparatus

A fixing device includes a heating member that heats a toner image on a recording medium and includes a rotatable belt member, a heat source, a pressing member, a sliding sheet, and a pressure-applying member. The pressing member presses the belt member against the pressure-applying member. A surface of the pressing member that opposes the belt member includes a flat portion or a recessed portion having a radius of curvature of approximately 100 mm or more. The sliding sheet is disposed between the belt member and the pressing member and includes a sliding layer containing cross-linked polytetrafluoroethylene, the content of which in resin contained in the layer is approximately 25 mass % or more and approximately 75 mass % or less. The pressure-applying member presses the recording medium against the belt member and rotates to transport the recording medium while nipping it between itself and the belt member.

Growing community of inventors

Kanagawa, Japan

Kenji Omori