Patent application number | Description | Published |
20090245893 | ANNULAR BODY, ANNULAR BODY STRETCHING DEVICE AND IMAGE FORMING APPARATUS - The invention provides an annular body provided at an image forming apparatus, the annular body has at least an outermost periphery layer and an innermost periphery layer, each of which comprise carbon black, and a content of carbon black contained per unit of volume of the outermost periphery layer being smaller than a content of carbon black contained per unit of volume of the innermost periphery layer. The invention further provides an annular body stretching device, having at least the annular body and a plurality of annular body stretching units rotatably stretching the annular body at an inner surface of the annular body. The invention further provides an image forming apparatus having at least an image holder, a charging device, an exposing device, a developing device, a first transferring device, a second transferring device, and a fixing device, in which the intermediate transfer belt is the annular body. | 10-01-2009 |
20090245895 | CIRCULAR BODY, CIRCULAR BODY UNIT, AND IMAGE FORMING APPARATUS - This invention provides a circular body, which is used for an image forming apparatus employing an electrophotographic system, the circular body containing: at least an _inner layer containing resin and an outer layer that is laminated on an outer circumferential surface side of the inner layer and contains resin; and, as a conductive agent, polyaniline in the outer layer and carbon black in the inner layer; and satisfying the following relational expressions (1) and (2): | 10-01-2009 |
20090279924 | ANNULAR BODY, ANNULAR BODY STRETCHING DEVICE AND IMAGE FORMING APPARATUS - The invention provides an annular body having an inner surface including a base material layer, the base material layer having a resin and a conductive agent, and the inner surface comprising a carbonized region. The invention further provides an annular body stretching device having: the annular body; and a stretching unit pushing outward the annular body with tension from an inner circumferential side of the annular body. The invention further provides an image forming apparatus having the annular body as an intermediate transfer body provided thereto. The invention further provides a method for forming the annular body, having forming a carbonized region by a process to give conductivity to the inner surface of the annular body. | 11-12-2009 |
20100239764 | RESIN FILM MANUFACTURING METHOD, TRANSFER BELT, TRANSFER UNIT, AND IMAGE FORMING APPARATUS - A tubular body | 09-23-2010 |
20100247171 | ANNULAR BODY, CARTRIDGE, AND IMAGE FORMING APPARATUS - The invention provides an annular body having a resin layer. The resin layer has a resin and particles. The particles are at least one of conductive or magnetic. A surface of the resin layer has a first region and a second region. The first region is different from the second region in at least one of the surface resistivity or the magnetic flux density. The second region has a resin region and a high density region. The resin region is provided at an outer side with respect to the high density region in the thickness direction of the resin layer and is substantially free of the particle. The high density region has a higher content of the particles comparing to the resin region and the first region. The invention further provides a cartridge having the annular body. The invention further provides an image forming apparatus having the annular body. | 09-30-2010 |
20120070202 | ROLLER COMPONENT AND IMAGE FORMING APPARATUS - A roller component includes a layer composed of a foamed rubber material including plural cells formed by gas, the layer being formed into a substantially cylindrical body, wherein the volume of the cells decreases from the inner side of the substantially cylindrical body toward the outside. | 03-22-2012 |
20130034373 | TRANSFER ROLL AND IMAGE FORMING APPARATUS - A transfer roll includes a cylindrical conductive substrate; an inner elastic layer having an Asker-C hardness of from 5° to 20°; and an outer elastic layer having an Asker-C hardness of from 30° to 45° in this order, wherein the transfer roll satisfies the following Expression (1): | 02-07-2013 |
20130196836 | CONDUCTIVE ROLLER, IMAGE-FORMING APPARATUS, AND PROCESS CARTRIDGE - A conductive roller includes a conductive support, a conductive elastic layer disposed on the conductive support, and a conductive resin layer disposed on the conductive elastic layer and containing a resin and a conductor. The conductive resin layer includes a first region forming an outermost surface thereof and a second region between the first region and the conductive elastic layer. The second region adjoins the conductive elastic layer and has a lower surface resistivity than the first region. | 08-01-2013 |
20130216280 | TRANSFER ROLLER, IMAGE-FORMING APPARATUS, AND PROCESS CARTRIDGE - A transfer roller includes a conductive support, a first conductive elastic layer disposed on the conductive support, and a second conductive elastic layer disposed on the first conductive elastic layer. A common logarithm of surface resistivity of the second conductive elastic layer is higher than a common logarithm of volume resistivity of the second conductive elastic layer by about 1 or more. | 08-22-2013 |
Patent application number | Description | Published |
20110013748 | RADIATION INSPECTION APPARATUS - A radiation inspection apparatus includes a radiation source, a measurement radiation detecting unit being a rectangle having a long side, and a reference radiation detecting unit that is disposed between the radiation source and an inspection target, the reference radiation detecting unit being disposed near a path of a radiation from the radiation source to the measurement radiation detecting unit not to interrupt the radiation from the radiation source to the measurement radiation detecting unit. An intensity of the radiation source are corrected by calculating a change value of the intensity and the intensity distribution from an output of the reference radiation detecting unit and by correcting the output of the measurement radiation detecting unit based on the change value. | 01-20-2011 |
20110069813 | RADIATION INSPECTION APPARATUS - A radiation inspection apparatus includes a conveying unit configured to convey a sheet-like sample, a radiation source configured to emit radiation to the sheet-like sample, a line sensor configured to measure a physical property of the sheet-like sample, the liner sensor disposed to be opposed to the radiation source across the sheet-like sample, and a gas ejecting unit configured to eject gas to the sheet-like sample to reduce vertical conveyance swinging produced by a tension of the sheet-like sample, the gas ejecting unit placed in close proximity to at least one side face of the line sensor. | 03-24-2011 |
20110122993 | X-RAY MEASUREMENT APPARATUS - An X-ray measurement apparatus includes an X-ray source configured to emit an X-ray to irradiate a specimen with the X-ray, a collimator configured to shape a beam of the X-ray emitted from the X-ray source into a sliced fan-shaped beam x-ray, a flux shield configured to block a part of a flux of the fan-shaped beam X-ray so as to suppress beam hardening while adjusting an energy intensity distribution of the flux, the flux shield being placed between the collimator and the specimen, and an X-ray detector configured to detect a dose transmitted through the specimen. | 05-26-2011 |
20110273557 | POSITION MEASURING SYSTEM - In a position measuring system for measuring a position of a preset target portion of a conveyed sheet-like material with a camera, the system comprises a first camera unit installed substantially above one edge of the sheet-like material, including an image pickup device to receive a focused image of the sheet-like material, and taking an image of the target portion of the sheet-like material, a second camera unit installed substantially above the other edge of the sheet-like material, including an image pickup device to receive a focused image of the sheet-like material, and taking an image of the target portion of the sheet-like material, and a measuring unit for, based on variations of positions of the target portion from preset reference positions in the images of the sheet-like material focused on the respective image pickup devices, determining occurrence of a pass line fluctuation that displaces the sheet-like material in a vertical direction, and measuring a position deviation of the target portion. | 11-10-2011 |
20120019815 | MULTICHANNEL PHOTOMETRIC MEASUREMENT APPARATUS - A multichannel photometric measurement apparatus according to one embodiment includes: a single signal generator for generating an initial signal, the initial signal containing a harmonic component for collectively generating a plurality of modulation signals; a light emitting device including a plurality of light sources that are respectively drivable by each of the plurality of modulation signals having different frequencies; a light detector for detecting a plurality of kinds of light emitted from the light emitting device; and discriminating means for discriminating a detected signal output from the light detector per frequency domain of each of the different frequencies for each of the modulation signals. | 01-26-2012 |
20120081539 | APPARATUS FOR MEASURING POSITION AND SHAPE OF PATTERN FORMED ON SHEET - An apparatus for measuring the position and shape of a pattern formed on a sheet includes a sheet on which a pattern is formed, a camera holding mechanism that is disposed perpendicular to a transportation direction of the sheet, at least one camera that is disposed such that the camera is movable in a longitudinal direction of the camera holding mechanism, and an image processing computer that processes an image picked up by the at least one camera. In the measuring apparatus, when calibration is performed, calibration is performed with reference to a picked up image of the coating pattern and a picked up image of a reference body for calibration. | 04-05-2012 |
20120218542 | INFRARED ANALYSIS APPARATUS - An infrared analysis apparatus may include a first head and a second head. The first head may include a plurality of light sources each of which irradiates rays of infrared light having different wavelengths on a test object, and an optical element that is disposed between the plurality of light sources and the test object, the optical element making intensity distribution of the infrared light uniform. The second head may include a detector that detects the infrared light transmitted through the test object. | 08-30-2012 |