Matches 1 - 50 out of 181 1 2 3 4 >
Match Document Document Title
7627276 Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus  
A developing roller is provided having a surface that has excellent effect of suppressing exudation of low molecular weight substances from an elastic body, excellent toner release properties, and...
7603067 Rubber member and developing roller composed of rubber member  
A developing roller composed of a rubber member including not less than two vulcanized rubber layers including a surface layer and a base layer. A hardness of the surface layer is set higher than...
7599650 Developer bearing member, developing device, process cartridge and image forming apparatus  
A developer bearing member on which grooves slanting in a thrust direction of the developer bearing member cross other grooves reversely slanting relative to the thrust direction, wherein each of...
7580660 Developing roller, process for producing developing roller, process cartridge and image forming apparatus  
A developing roller has a conductive shaft member, a conductive elastic layer formed around the shaft member in a thickness of 0.5 mm to 6.0 mm, and a surface layer. The elastic layer contains...
7570905 Developing roller, developing apparatus using the same, and image forming apparatus  
A developing roller having an elastic layer on the outer periphery of a mandrel and having a surface layer containing a resin and resin particles on its outer periphery, wherein the surface layer...
7565099 Developing device and image forming apparatus having a toner-particle bearing roller with a helical groove portion  
A developing device includes a container that contains toner particles that are for developing a latent image borne by an image bearing body, and a toner-particle bearing roller that has a helical...
7555253 Semiconductive rubber member and developing roller composed of semiconductive rubber member  
A developing roller including a semiconductive rubber member having not less than two vulcanized layers including a base layer composed of a vulcanized electro-conductive rubber composition and a...
7555252 Image forming apparatus that prevents conspicuous unevenness in image density  
An image forming apparatus includes: an image bearing body that is rotatable about a central axis thereof, and that bears a dot-like latent image, on a surface of the image bearing body, in each of...
7536140 Developer holding member, method of producing a developer holding member, developing apparatus and image-forming apparatus  
The present invention provides a developer holding member having a surface layer composed of metal on or above a roughened hollow cylindrical substrate, wherein the specular gloss at 60°, Gs...
7526239 Development roller  
A development roller is provided which can ensure a desired surface roughness and roller hardness even when an elastic layer has not sufficient solvent resistance and which can be preferably used...
7505720 Developing roller and developing method thereof  
Provided are a developing roller for non-magnetic single component development and a developing method employing the developing, by which toner can be stably conveyed in any external environment,...
7450892 Electrophotograph developing roller and image forming device using the same  
An electrophotographic developing roller in which air tightness and electrical conductivity in a fit section between a cylindrical metal base body and a metal flange are satisfactory and outside...
7437108 Developing roller for electrographic apparatus including a base rubber, a conductive polymer, a conductive carbon black and a binder resin and electrographic apparatus containing the developing roller  
A developing roller for an electrographic imaging apparatus, which comprises a base rubber, a conductive carbon black, a conductive polymer for controlling hardness of the base rubber and...
7406277 Semiconductive rubber member  
A conductive rubber roller 10 has a conductive rubber layer 1 , containing chloroprene rubber, and composes an outermost layer thereof. When an alternating current is applied to the conductive...
7399947 Thermal processor with temperature compensation  
A thermal processor including a rotating drum including an internal heater configured to heat and maintain the drum at a desired set-point temperature, and a plurality of pressure rollers,...
7389074 Developer holding body and developing apparatus  
In order to obtain the surface shape which is uniform in each of the circumferential direction and the axial direction without being deviated in one direction on the surface, a developer holding...
7356295 Developer-carrying member having improved transportability, a developing unit, a process cartridge and an image forming apparatus  
A developer-carrying member to transport a developer having a carrier to a developing area facing an image carrying member in an image forming apparatus includes a sleeve. The sleeve carries the...
7356293 Toner transport roller  
A toner transport roller ( 10 ) including a sealing member ( 3 ), for preventing leak of toner, which contacts a peripheral surface of a rubber roller ( 1 ) thereof slidably. The toner transport...
7356294 Developing roll  
A developing roll which may reduce stress imparted on toner and have uniform transportability of toner. The developing roll comprises a shaft, an elastic layer provided on an outer peripheral...
7346300 Developing apparatus  
A developing apparatus having a developer carrying member carrying developer including toner, a developer regulating member regulating the layer thickness of the developer carried on the developer...
7320822 Electrophotographic conductive member and electrophotographic apparatus  
In an electrophotographic conductive member composed of at least a thermoplastic resin composition, the thermoplastic resin composition contains a thermoplastic resin, a conductive filler and a...
7313351 One-component type developing apparatus  
The present invention provides a one-component development type developing apparatus including a rotatable electrostatic latent image holding member 1 on the surface of which an electrostatic...
7294810 Heater, fixing device and image forming apparatus  
A heater includes: a hollow tube sealed hermetically and reduced in pressure, the interior of the hollow tube being divided by at least one partition wall into a plurality of regions arranged side...
7266329 Toner image carrying member and manufacturing method thereof, and electrophotographic apparatus  
A toner image carrying member can be rotationally driven, and a plurality of grooves are formed on an outer peripheral surfaces of the toner image carrying member, the plurality of grooves...
7260349 Developing roller for use in image-forming apparatus and developing device equipped with the same  
A developing roller for use in an image-forming apparatus includes a substrate, a silicone-based elastic layer formed on the substrate, and a surface-coating layer formed at the outermost surface....
7228094 Nano-size powder coatings for donor members  
A donor member useful in ionographic or electrophotographic apparatuses and useful in hybrid scavengeless development units, having a substrate and an outer coating having a nano-size powder.
7224927 Developing roller for use in image-forming apparatus and developing apparatus equipped with the same  
A developing roller for use in an image-forming apparatus, the roller including: a substrate; an elastic layer formed on the substrate; a primer layer formed on the elastic layer; and a...
7221889 Replaceable developer roller  
A replaceable developer roller apparatus is disclosed for a printing device. The apparatus includes a cylindrical developer roller having two opposed ends, and a drive assembly selectively and...
7203451 Development roller, development roller base, development roller manufacturing method, and image forming apparatus  
The present invention provides a development roller disposed in proximity of a photosensitive body which is charged by a charging member and on which an electrostatic latent image is formed, the...
7197259 Developing apparatus and image forming apparatus that incorporates the developing apparatus  
A developing apparatus includes a developing roller and a sealing member. The developing roller applies toner to an electrostatic latent image to develop the electrostatic latent image. The sealing...
7190926 Developer bearing body and image forming apparatus  
In an electrophotographic image forming apparatus, a contact-type developing roller contacts a photosensitive drum, a developing blade, a supply roller or the like. If the surface of the developing...
7181155 Developer supplying device, developing roller, developing device, image forming apparatus and process cartridge  
A developer supplying device including a developer holding unit configured to hold a developer, a developer transfer device configured to electrostatically transfer the developer from the developer...
7155151 Developer carrier, developing device, image forming apparatus and computer system  
A developer carrier includes: an opposing region that opposes a latent image-carryable region on an image carrier, and a solid portion that is solid at an end portion of the developer carrier in a...
7127200 Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus  
A developing roller is provided having an elastic layer and a surface layer superposed thereon. The surface layer is formed of a resin material containing nitrogen atoms, and contains at least two...
7110688 Image forming device that adjusts image density based on developing bias and pressing force  
An image forming device includes a developer bearing member, a photosensitive member, a developing-bias applying portion, a pressing-force adjusting portion, and a density adjusting portion. The...
7099613 Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus  
In a developing roller having a shaft member, a conductive elastic layer provided on the shaft member, and a conductive resin layer constituting a most-surface layer, the conductive resin layer...
7067225 Method for forming an image  
To provide an method for forming an image capable of effectively suppressing a toner from deteriorating and also capable of keeping the quality of an image for a long period of time, even when the...
7016631 Metal and ceramic blend donor roll coatings  
A donor member useful in ionographic or electrophotographic apparatuses and useful in hybrid scavengeless and hybrid jumping development units, the donor member having a substrate and an outer...
6999706 Developing device and process cartridge including the same for use in electro photographic image-forming apparatus  
A developing device for developing an electrostatic latent image formed on an electrophotographic photoreceptor includes a hollow developing roller, a support member inserted in the hollow...
6965743 Developing apparatus  
A developer apparatus includes a developer carrying member, for carrying a developer to a developing portion, the developer carrying member including an electroconductive base and a resistance...
6952551 Developer carrying member and developing apparatus  
The invention provides a developer carrying member for carrying a developer for developing an electrostatic image formed on an image bearing member, including an elastic layer, and a surface layer...
6924076 Developing assembly, process cartridge and image-forming method  
In a developing assembly, a process cartridge and an image-forming method, a specific developer and a specific developer-carrying member are used in combination. The developer comprises toner...
6873816 Developing assembly, process cartridge and image-forming method  
A developing assembly is disclosed having at least a developer container, a developer-carrying member and a developer layer thickness regulation member, wherein the developer is composed mainly of...
6832065 Roll and development apparatus using the same  
A roll including a core shaft formed from metal, an elastic layer formed from resin or rubber material arranged around the core shaft and having a resistance, and a surface layer arranged around...
6795675 Developing-carrying member, and developing apparatus and image forming apparatus including the member  
A developer-carrying member having a rigid electroplating surface layer free from locally abnormal metal deposition and exhibiting a high-accuracy surface roughness is provided so as to be free...
6795674 Developing device for an image forming apparatus  
A developing device for an image forming apparatus of the present invention includes an image carrier performing endless movement while carrying a developer in the form of a layer thereon, and a...
6782226 Developing device  
A developing device includes a toner bearing member holding a toner on its surface for conveyance of the toner to a development region where the toner bearing member opposes an image bearing member...
6760560 Developing apparatus and image forming apparatus employing it  
A developing apparatus has a developer supporting member 41 with a surface roughness R Z in the range from 3.0 to 5.5 μm and a one-component developer T with a bulk density in the range from...
6733891 Roll having glass coating  
Rolls include a core and a glass outer coating on the core. The glass can be electrically charged and discharged. The outer coatings have smooth finishes and controlled electrical properties. The...
6714754 Developing roller for electrophotography, developing apparatus, apparatus unit and image forming apparatus  
A developing roller for electrophotography is disclosed which is composed of a conductive mandrel, a charge-providing layer having a charge-providing performance to a non-magnetic one-component...
Matches 1 - 50 out of 181 1 2 3 4 >