Toshiba Tec Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Jx Nippon Oil Energy Corporation

Takahiro Kawaguchi

Ken Iguchi

Hiroyuki Taki

Isao Yahata

Hiroyuki Tsuchihashi

Hiroyuki Taguchi

Chiaki Iizuka

Yoshiaki Sugizaki

Kikuo Mizutani

Hidetoshi Yokochi

Yasunobu Terao

Toshiaki Oshiro

Hiroyuki Hazu

Hiroyuki Sugiyama

Yoichi Yamaguchi

Yuichi Saito

Shinichiro Mano

Katsuya Sasahara

Katsuhiko Tsuchiya

Keishi Tsuchiya

Tomomi Iijima

Jun Ishii

Mikio Yamamoto

Hajime Yamamoto

Tetsuro Ichitani

Takeshi Okui

Chiaki Ilzuka

Hiroyuki Hoshino

Nobuhiro Kimura

Tetsuhiro Morita

Masayuki Iinuma

Hiroyuki Tsuchihasi

Hitoshi Adachi

Yoici Yamaguchi

According to an embodiment, a fixing device used for fixing a toner image to a sheet in a printing process includes a rotatable heated body having an inner facing surface and an outer facing surface. A heater for heating the rotatable heated body has a length corresponding to the length of the heated body. A pressing member contacts the inner facing surface of the rotatable heated body at a first position. A pressing roller presses against the outer facing surface of the rotatable heated body at a position corresponding to the pressing member. A lubricant holding member has a lubricating surface that contacts the inner facing surface of the rotatable heated body at a second position. The lubricant holding member has a plurality of recesses in its lubricating surface. The recesses are spaced from each other along the length of the lubricant holding member.

Fixing device and image forming apparatus

An image erasing apparatus according to an embodiment includes a sheet supply portion that supplies a sheet and an ejector. A first conveying path conveys the sheet from the sheet supply portion toward the ejector. A reader arranged on the first conveying path reads an image on the sheet. A second conveying path branches from the first conveying path at a downstream of the reader on the first conveying path and merges with the first conveying path at an upstream of the reader on the first conveying path. An erasing unit is arranged on the second conveying path. A conveying path changing portion is arranged at a branching portion. An operating portion receives a setup of the processing to the sheet. A controller changes a conveying path of the sheet in accordance with the setup received by the operating portion before the sheet is supplied from the sheet supply portion.

Image erasing apparatus and image erasing method

An image forming apparatus includes a controller to control a process of printing identification information along with an image on a medium. A first image forming section forms images using a non-decolorable material. A second image forming section forms images using a decolorable material. A fixing device performs fixes images to the medium at a first fixing temperature at or above a decoloring temperature of the decolorable material. When the identification information is to be visible, the controller controls the first image forming section to form the image and identification information, and the images are fixed to the medium at the first temperature. When the identification information printed on the medium is to be invisible, the first image forming section forms the first image, the second image forming section forms the identification information, and the fixing device fixes the images at the first temperature.

Image forming apparatus

An erasing apparatus of embodiments has a color erasing device, the color erasing device has: a first heating member; a second heating member provided at a position facing the first heating member so as to form a nip portion therebetween through which the sheet is passed; a halogen lamp configured to heat the second heating member from outside thereof; and a reflector provided at a position opposite to the second heating member with the halogen lamp interposed therebetween and having a reflective surface configured to reflect heat received from the halogen lamp toward the second heating member, the reflector forming a guiding section configured to be in sliding contact with the sheet being conveyed so as to guide the sheet to the nip portion, the guiding section being heated by the halogen lamp.

Decolorizing apparatus

An image decoloring device operates in a power-saving mode and in a normal mode. The image decoloring device includes a decoloring processing unit which removes a color of a decolorable colorant that forms an image on a sheet by applying heat to the sheet. A sheet carrying unit conveys the sheet through the decoloring processing unit. A processor controls the sheet carrying unit. If the image decoloring device is operating in the power-saving mode, a conveyance speed of the sheet through the decoloring processing unit is a first speed. If the image decoloring carrying unit is operating in the normal mode, the conveyance speed of the sheet through the decoloring processing unit is a second speed greater than the first speed.

Image decoloring device

A sheet processing device includes a standby tray, a sheet post-processing unit, a first pressing member, a second pressing member, and a control unit. The control unit is configured to control the first pressing member to press a first sheet conveyed into the standby tray at a first location, cause the first sheet to be conveyed upstream to a first position, control the second pressing member to press the first sheet at a second location, cause a second sheet to be conveyed on top of the first sheet while the first sheet is no longer pressed by the first pressing member but is still pressed by the second pressing member, press the second sheet at the first location, and cause the first sheet to be conveyed upstream to a second position that is offset from the first position.

Sheet processing device and sheet processing method

According to one embodiment, an image erasing apparatus includes a sheet supply section, a discharge tray, a first conveying path, a reader, a second conveying path, an erasing unit and a switching section. A controller controls the first conveying path, the reader, the second conveying path, the erasing unit and the switching section depending on a selected mode. When the selected mode is an erasing mode, the sheet is conveyed on the first conveying path without being read by the reader, conveyed on the second conveying path where the image is erased by the erasing unit, and then conveyed to the discharge tray. When the selected mode is a reading mode, the sheet is conveyed on the first conveying path where the surface of the sheet is read by the reader, and then conveyed to the discharge tray without being conveyed on the second conveying path.

The present invention provides a capacitor oil that can maintain breakdown voltage at a high level in a wide temperature range of &#x2212;50&#xb0; C. to 30&#xb0; C., extremely unlikely precipitates as crystals in particular at &#x2212;50&#xb0; C. and thus has excellent properties both at normal temperature and a lower temperature. The capacitor oil of the present invention comprises 1,1-diphenylethane and benzyltoluene, wherein the mass ratio of 1,1-diphenylethane to benzyltoluene is 0.8 to 2.0, the total amount of the ortho-isomer and para-isomer in the benzyltoluene is 90 percent by mass or less, and the composition has a 40&#xb0; C. kinematic viscosity of 3.00 mm/s or lower.

Capacitor oil having excellent properties in wide temperature range

According to one embodiment, a system for a decoloring information management of a decoloring apparatus includes an decoloring processing unit, a sheet conveying unit, a sheet reading unit, a user ID reading unit, a storing unit configured to store a predetermined information, and a control unit. A sheet on which an image is formed with an decolorable colorant is subject to decoloring processing. The sheet conveying unit conveys the sheet and causes the sheet to pass through the decoloring processing unit. The sheet reading unit is arranged further on an upstream side than the decoloring processing unit. The user ID reading unit reads ID information of a user. The storing unit stores predetermined information. The control unit controls the storage unit to correlate the user ID and the read information by the sheet reading unit.

System for decoloring information management of a decoloring apparatus

According to one embodiment, a first conveying path to form a conveying path from the sheet supply portion toward the ejector, a reader arranged on the first conveying path to read an image on a surface of the sheet, an erasure to erase the image on the sheet formed with image erasable material, a switching portion arranged on the first conveying path at a downstream side of the reader in a sheet conveying direction to switch the sheet conveying direction to a direction of the ejector or a direction of the erasure, and a second conveying path having the erasure which, at a position where the switching portion is arranged, branches from the first conveying path at the downstream side of the reader and merges with the first conveying path at a meeting point between the sheet supply portion and the reader.

An image erasing method, according to an embodiment, includes the steps of supplying a sheet from a sheet supply section and conveying the sheet from the sheet supply section on a first conveying path. The method further includes controlling, based on a selected mode, the first conveying path, a reader, a second conveying path, an erasing unit, and a switching section. When the selected mode is an erasing mode, the sheet is conveyed on the first conveying path without being read by the reader, conveyed on the second conveying path where the image is erased by the erasing unit, and then conveyed to a discharge tray. When the selected mode is a reading mode, the sheet is conveyed on the first conveying path where the surface of the sheet is read by the reader, and then conveyed to the discharge tray without being conveyed on the second conveying path.

An image processing device has a first supplying portion that supplies a sheet on which an image is fixed previously. A removing portion removes the image formed on the sheet. A first storing portion stores the sheet from which the image is removed by the removing portion. The first supplying portion and the first storing portion are integrally formed as a unit capable of detaching from the main body of the image processing device.

Growing community of inventors

Shizuoka-ken, Japan

Takahiro Kawaguchi