Canon Kabushiki Kaisha

Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Masaaki Takahashi

Kazuo Kishino

Hideo Kawamoto

Yoko Miyamoto

Katsuhisa Matsunaka

Takashi Kawabata

Yuji Kitano

Osamu Soutome

Takeshi Suzuki

Hiroaki Sakai

Hiroyuki Sakakibara

Norio Hashimoto

Katsunori Kikuchihara

Hiroaki Kumagai

Yuko Sekihara

Atsushi Iwasaki

Kazuyoshi Hagiwara

Kiyotoshi Kaneyama

Yasuharu Notoya

Taku Fukuhara

Hideyuki Hatakeyama

Yusuke Baba

Tomoaki Yoshioka

Yutaka Arai

Shigeaki Takada

Jiro Ishizuka

Akeshi Asaka

Toshiaki Baba

Yohei Miyauchi

Hiroki Muramatsu

Keiji Yamamoto

Satoru Torimaru

Kazutoshi Sugitani

Satoshi Matsuzaka

Naoko Kasai

Sakon Takahashi

Kunihiko Sato

Kazuhiko Arai

Nobumasa Furuya

Yoshiyuki Tominaga

Naoto Yoshino

Tsutomu Komiyama

Masahiro Suzuki

Koichi Sato

Kei Tanaka

Jun Miura

Yasumasa Ohtsuka

Koji Nishimura

Atsuyoshi Abe

Nobuo Hyakutake

Yukio Hayashi

Koichiro Yuasa

Daisuke Haruyama

Yusuke Nakazono

Mitsuaki Kuroda

Katsuya Abe

Yoji Tomoyuki

Tadakazu Edure

Noboru Hirakawa

Shohei Miyagawa

Yoko Kuruma

Masao Ohkubo

Yasuhiro Shimada

Yusuke Sakai

Ken Nakagawa

Hitoshi Sato

Hideyuki Yano

Takeshi Menjo

Mahito Yoshioka

Yasuhiro Miyahara

Toshihiko Ochiai

Hikaru Osada

Tomonori Shida

Masaaki Tokunaga

Satoru Taniguchi

Sho Watanabe

Akira Hayakawa

Matsutaka Maeda

Akihiro Iizuka

Kaoru Okamoto

Rie Saito

Yoshiki Shimodaira

Mitsuhiro Ohta

Takuji Oishi

Shuji Iseki

Toshiyuki Kazama

Takashi Hoshino

Motoko Sakai

Ryo Ando

Mamo Matsumoto

Masakazu Shirai

Koji Deguchi

Tatsuya Soga

Yasumasa Otsuka

Mitsuhiro Ota

Kenji Karashima

Toshiyuki Miyabayashi

Hirotaka Tanaka

Ryuichiro Maeyama

Yoshiya Mashimo

Provided is a fixing rotating member capable of maintaining high toner releasability over longer periods of time than in conventional instances and that is capable of maintaining abrasion resistance against paper; the fixing rotating member comprises a base layer, an elastic layer, and a surface layer, in this order; the surface layer containing a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer and a perfluoropolyether; the tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer having pores formed therein; the surface layer has pores with openings at a first surface thereof, and constituting an outer surface of the fixing rotating member; at least part of the pores containing the perfluoropolyether; a content of the perfluoropolyether in the surface layer is 20 mass % to 60 mass %; and a degree of orientation A of molecules of the tetrafluoroethylene-perfluoroalkyl vinyl ether in a direction perpendicular to a circumferential direction of the surface layer is 35 to 75%.

Fixing rotating member, fixing apparatus and electrophotographic image forming apparatus, and method for producing fixing rotating member

Provided is an image forming apparatus including: an annular transfer belt having an outer surface on which an image is transferred; a transferring unit including a transfer cylinder having a transfer area that sandwiches a recording medium with the outer surface of the transfer belt to transfer the image from the outer surface of the transfer belt to the recording medium, and a pair of first rotating bodies disposed on both axial end sides of the transfer cylinder; a pair of circulating members each being wound around the first rotating body and being circulated by rotation of the first rotating bodies; and a holding unit attached to the circulating members, the holding unit configured to hold the recording medium, transport the recording medium with circulation of the circulating members, and pass the recording medium through the transfer area.

Image forming apparatus

A fixing rotating member comprising a base layer, an elastic layer and a surface layer, in this order, the surface layer containing PFA and PFPE, and having pores with openings at a first surface; at least part of the pores containing the PFPE, wherein when after removing the PFPE in the pores, placing a first observation region on the first surface, defining a ratio of a sum of areas of the openings in the first observation region relative to an area of the first observation region as P; and placing a second observation region in a cross section of the surface layer, and defining a ratio of a sum of areas of the pores in the second observation region relative to an area of the second observation region as P, P/Pis 1.3 or higher.

Fixing rotating member, fixing apparatus, electrophotographic image forming apparatus, and method for producing fixing rotating member

An electrophotographic member includes a base layer, an elastic layer, and a surface layer stacked in this order. The surface layer contains a fluorine resin and a fluorine rubber, the fluorine rubber is contained at a proportion of 0.5 parts by mass or more and 1.0 parts by mass or less with respect to 1 part by mass of the fluorine resin, and the surface layer further contains a compound represented by formula (1):CH(CH)—O—((CH)O)—OH  (1)In formula (1), m, l, and n each independently represent an integer of 1 or more.

Electrophotographic member and electrophotographic image-forming apparatus

Provided is a pressurizing member including a substrate, an elastic layer on the substrate, and a surface layer on the elastic layer, the surface layer containing a fluorine resin, wherein the surface layer has a surface resistivity of 1&#xd7;10[&#x3a9;/&#x25a1;] or less at a temperature of 25&#xb0; C. when applying a DC voltage of 500 V, and a thermal conductivity &#x3bb; in a thickness direction of the surface layer is 0.093 [W/(m&#xb7;K)] or less.

Pressurizing member, fixing device, and electrophotographic image-forming apparatus

A post-processing device includes an output unit that outputs a medium; a stacking unit on which the medium that is output is stacked; and a blow-out unit that is disposed below the output unit and that blows gas toward the medium that is output, wherein an amount of the gas blown is adjusted in accordance with a type of the medium.

Post-processing device and image forming apparatus

An image forming apparatus includes: an image holder configured to hold an image formed using an electrographic process; a transfer body that faces the image holder and is configured to contact the image holder while rotating to form a secondary transfer region; an application unit configured to apply a voltage for charging the secondary transfer region; and a charge unit that faces a region other than the secondary transfer region of the transfer body and is configured to charge a surface of the transfer body with a polarity opposite to an applied voltage of the application unit.

Image forming apparatus including a rollshaped charge unit for secondary transfer body

A pressing rotating member comprising a base layer, an elastic layer and a surface layer, in this order, the surface layer having pores, wherein when placing an observation region of 8 &#x3bc;m long&#xd7;11 &#x3bc;m wide at a cross section of the surface layer in a thickness direction of the surface layer&#x2014;a direction perpendicular to a circumferential direction of the pressing rotating member, a degree of orientation f of the pores observed in the observation region is 0.20 or higher, and an orientation angle &#x3a6; of the pores observed in the observation region is 0&#xb0; to 10&#xb0;.

Pressing rotating member and production method thereof, fixing apparatus, and electrophotographic image forming apparatus

An image forming apparatus includes: an annular transfer belt having an outer surface on which an image is transferred; a nip portion that forms a nip region for nipping a recording medium with an outer surface of the transfer belt; a facing portion that faces the nip region from an inner side of the transfer belt and transfers the image from the transfer belt to the recording medium in the nip region by charging the transfer belt; and a transport unit including a holding portion that holds the recording medium, transports the recording medium by moving the holding portion, and causes the recording medium together with the holding portion to pass the nip region while holding the recording medium at the holding portion.

Image forming apparatus with holding unit that holds a recording medium

A post-processing device includes an output unit that outputs a medium; a stacking unit on which the medium that is output is stacked; and a blow-out unit that is disposed below the output unit and that blows gas toward the medium that is output, wherein a direction in which the gas is blown differs in accordance with a type of the medium.

An image forming apparatus includes an image holding unit that holds a toner image, a transfer unit that transfers the toner image held by the image holding unit onto a medium in a transfer region, a reduction unit that is positioned further upstream than the transfer region and that reduces an electrical resistance of a first surface of the medium, the first surface being opposite to a second surface of the medium onto which an image is to be transferred, and a control unit that controls the reduction unit in accordance with a type of a medium to be used in such a manner that the electrical resistance of the first surface does not exceed a predetermined range.

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.

Method for fixing resin tube to die and manufacturing method for resin-tube covered roller

A transfer device includes a transfer unit that transfers an image on an image carrier carrying the image onto a first surface of a recording material by applying a voltage containing an alternating-current component to the recording material; and a humidifying unit that humidifies the recording material transported toward the transfer unit from a second surface of the recording material that is opposite to the first surface.

Transfer unit comprising alternating current bias and humidifying unit

Provided is a fixing member for a heat fixing apparatus which can further improve utilization efficiency of heat for heat fixing of an unfixed toner. A fixing member having an endless belt shape includes a substrate and an elastic layer on the substrate, wherein the elastic layer includes silicone rubber and a filler dispersed in the silicone rubber, and when a thermal conductivity of the elastic layer in a thickness direction is defined as &#x3bb;nd, a thermal conductivity of the elastic layer in a circumferential direction is defined as &#x3bb;td, and a thermal conductivity of the elastic layer in a width direction is defined as &#x3bb;md, &#x3bb;nd is 1.30 W/(m&#xb7;K) or more, and &#x3bb;nd, &#x3bb;td, and &#x3bb;md satisfy a relationship as shown below &#x3bb;nd&#x3e;&#x3bb;md&#x3e;&#x3bb;td.

Fixing member and heat fixing apparatus

Growing community of inventors

Kanagawa, Japan

Masaaki Takahashi