Patent application number | Description | Published |
20120063826 | CLEANING BLADE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING SAME - A cleaning blade for cleaning a moving surface of an object by contacting an edge thereof with the moving surface is provided. The cleaning blade includes a strip-shaped elastic main body, in which a leading end portion thereof including the edge is impregnated with an ultraviolet-crosslinked resin; and a cover layer, which is located on a surface of a portion of the crosslinked resin-impregnated portion including the edge as an outermost layer and which has higher hardness than the strip-shaped elastic main body. | 03-15-2012 |
20130189012 | CLEANING BLADE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING THE CLEANING BLADE - A cleaning blade including a strip-shaped elastic blade having at least one obtuse-angled edge on a tip portion thereof, and a cover layer, which is located on a surface of the tip portion of the elastic blade including the obtuse-angled edge and which is harder than the elastic blade. The obtuse-angled edge having the cover layer thereon is contacted with a moving surface of a member to be cleaned to remove a powdery material from the moving surface of the member. | 07-25-2013 |
20130243484 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus including an image bearing member having a surface layer A having a surface hardness of 200 N/mm | 09-19-2013 |
20130243506 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus including at least a photoreceptor; and a cleaning blade formed of a strip-shaped elastic blade to contact an edge line to the surface of the photoreceptor, wherein the photoreceptor includes a surface layer comprising a particulate material, and the edge line of the cleaning blade includes a substrate of the elastic blade; a mixed layer having a thickness not less than 1.0 μm, formed of the substrate and at least one of an acrylic resin and a methacrylic resin, located at the surface of the substrate; and a surface layer having a thickness not less than 0.1 μm, formed of at least one of an acrylic resin and a methacrylic resin, located on the surface of the substrate. | 09-19-2013 |
20130243507 | CLEANING BLADE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - A cleaning blade, including a strip-shaped elastic blade to contact the surface of a member to be cleaned, traveling on an edge line of the elastic blade, to remove a powder from the surface thereof, wherein the edge line of the elastic blade is impregnated with an ultraviolet curable resin including a fluorinated acrylic monomer, a surface layer harder than the elastic blade is formed on each of an under surface thereof, having the edge line as one line of the under surface and facing the member, and an apical surface thereof, having the edge line as one line of the apical surface and being parallel to a direction of the thickness thereof, and the apical surface is impregnated with the ultraviolet curable resin at a depth of from 50 to 150 μm and the under surface is impregnated therewith at a depth of from 20 to 100 μm. | 09-19-2013 |
20130251401 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus, including a photoreceptor; a charger; an irradiator; an image developer; a transferer; a fixer; and a cleaning blade formed of a strip-shaped elastic blade, removing a powder from the surface of the photoreceptor passing an edge line of the blade while contacting thereto, wherein the photoreceptor includes a crosslinked resin surface layer formed of at least one of an acrylic resin and a methacrylic resin, and the cleaning blade includes a contact point with the photoreceptor, including a substrate; a mixed layer formed of at least one of an acrylic resin and a methacrylic resin, located at the surface of the substrate; and a surface layer formed of at least one of an acrylic resin and a methacrylic resin, located on the surface of the substrate. | 09-26-2013 |
20140064810 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus includes an electrophotographic photoreceptor; and a cleaning blade. The electrophotographic photoreceptor includes an outermost layer having a ten-point average roughness Rz of from 0.5 to 2.4 μm and an average interval between concavities and convexities Sm of from 30 to 300 μm, and the cleaning blade includes a reed-shaped elastic blade having a contact point to the electrophotographic photoreceptor. The contact point includes a substrate; a mixed layer overlying the substrate, including a material forming the substrate and at least one of an acrylic resin and a methacrylic resin and having a thickness not less than 1.0 μm; and a surface layer overlying the mixed layer, including at least one of an acrylic resin and a methacrylic resin and having a thickness not less than 0.1 μm. | 03-06-2014 |
20140178103 | IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD - An image forming apparatus, including: an image bearing member; a charging unit; an exposure unit; a developing unit; a transfer unit; a fixing unit; and a cleaning unit including a cleaning blade, wherein the charging unit includes a charging roller that is brought into contact with the image bearing member for charging, the charging roller abutting the image bearing member at a pressing force of 10 mN/cm to 1,000 mN/cm, wherein the cleaning blade includes an elastic member that abuts the surface of the image bearing member to remove a residue attached to the surface of the image bearing member, and wherein an abutment part of the elastic member, which abuts the surface of the image bearing member, includes a cured product of an ultraviolet curable composition containing a (meth)acrylate compound having an alicyclic structure having 6 or more carbon atoms in a molecule. | 06-26-2014 |
20140205338 | CLEANING BLADE, AND IMAGE FORMING APPARATUS USING SAME AND PROCESS CARTRIDGE - Provided is a cleaning blade formed of an elastic blade and configured to abut on the surface of a cleaning target member, which allows a leading end edge portion of the elastic blade to move on the surface thereof, to remove powder from the surface of the cleaning target member. A blade surface of the elastic blade, which has the leading end edge portion of the elastic blade on one side thereof and faces the surface of the cleaning target member, has a Martens hardness of 1.2 N/mm | 07-24-2014 |
20140356042 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus includes an image carrier, a charging mechanism to charge a surface of the image carrier, an electrostatic latent image forming mechanism to form an electrostatic latent image on the surface of the image carrier, a developing mechanism to develop the electrostatic latent image formed on the surface of the image carrier into a toner image, a transfer mechanism to transfer the toner image on the surface of the image carrier to a transfer body, and a cleaning mechanism including a cleaning blade to clean a transfer residue toner adhering to the surface of the image carrier by contacting the surface of the image carrier. The cleaning blade includes a strip shaped elastic blade and a surface layer formed on an opposing surface of the strip shaped elastic blade opposite the surface of the image carrier. | 12-04-2014 |
20150023707 | CLEANING BLADE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - A cleaning blade includes an elastic member configured to come into contact with a surface of a member to be cleaned and remove residual matter adhering to the surface of the member to be cleaned. The elastic member satisfies the following requirements a and b: a. The elastic member has a contact portion configured to come into contact with the surface of the member to be cleaned and the contact portion includes a modified layer that contains a cured product of an ultraviolet curable composition containing a (meth)acrylate compound; and b. A value obtained by normalizing a peak area ratio S | 01-22-2015 |