Patent application number | Description | Published |
20090290903 | PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the apparatus includes a supporting member, a movable member for moving the supporting member in a horizontal direction and upward and downward directions, an operating member for moving the movable member, and a regulating portion, the process cartridge includes an electrophotographic photosensitive drum; process means actable on the drum; a portion to be supported for being supported by the supporting member when the process cartridge is mounted to the main assembly of the apparatus; and a portion-to-be-regulated for being regulated by being contacted by the regulating portion to regulate movement of the process cartridge in the horizontal direction, when the supporting member is moved, by movement of the movable member by operation of the operating member and in the horizontal direction and the upward direction while supporting the process cartridge, wherein when the supporting member is moved in the horizontal direction and upward direction while supporting the process cartridge, the portion-to-be-supported slides on the supporting member, and the portion-to-be-regulated slides on the regulating portion. | 11-26-2009 |
20090290904 | CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge detachably mountable to a main assembly of the image forming apparatus, wherein the main assembly including an opening, an urging portion, a positioning portion and a regulating portion, the cartridge includes a portion to be urged by the urging portion so as to be moved in a crossing direction which crosses an inserting direction in which the cartridge is inserted, after the cartridge is inserted into the main assembly of the apparatus through the opening; a portion to be positioned by contacting to the positioning portion by the cartridge being moved by the urging portion in the crossing direction to position the cartridge relative to the main assembly of the apparatus; and a portion to be regulated by the regulating portion so as to prevent the cartridge from moving toward an outside through the opening in a state that portion to be positioned is in contact to the positioning portion, wherein the portion to be regulated is provided at a rear end of the cartridge and is brought, by movement of the cartridge in the crossing direction by the urging portion, to a regulating position where the portion to be regulated is behind the regulating portion with respect to the inserting direction to prevent the cartridge from moving toward the outside through the opening. | 11-26-2009 |
20090297202 | DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A developing apparatus including a developing roller for developing an electrostatic latent image formed on a photosensitive member, wherein the developing apparatus is detachably mountable to a main assembly of an electrophotographic image forming apparatus in an axial direction of the developing roller, the developing apparatus includes a drive transmission member, provided at one end of the developing roller, for receiving a driving force from the main assembly and transmitting the driving force to the developing roller; an urging member, provided at other end, for urging the developing roller in the axial direction; an abutting portion, provided adjacent the one end, for being abutted by the shaft of the developing roller by an urging force of the urging member to position the developing roller with respect to the axial direction; and a contact member contactable to a main assembly contact provided in the main assembly when the developing apparatus is mounted to the main assembly, wherein the contact member contacts to a peripheral surface of the shaft of the developing roller adjacent the one end to apply a voltage to the developing roller. | 12-03-2009 |
Patent application number | Description | Published |
20130022368 | CARTRIDGE AND IMAGE FORMING APPARATUS - A cartridge is provided with an electrode portion for connecting a main assembly contact. The cartridge electrode includes a first contact portion, exposed toward an outside of a frame of the cartridge, contacted to a main assembly contact provided in the apparatus main assembly. The cartridge electrode further includes a second contact portion provided for being electrically connected to a process means of the cartridge, and an injection receiving portion into which resin is injected when the cartridge electrode is molded into the frame. The electroconductive resin injected from the injection receiving portion is branched to mold the first contact portion and the second contact portion so that an electroconductive path for electrically connecting the main assembly contact and the process means is formed. | 01-24-2013 |
20130114972 | CARTRIDGE - A cartridge detachably mountable to a main assembly of an image forming apparatus, includes: a member to be supplied with electric energy; a frame molded with a resin material; and an electrode member formed on the frame by injection molding of an electroconductive resin material. The electrode member includes a supporting portion for supporting the member to be supplied with electric energy and a contact portion to be contacted to a main assembly electric contact, provided in the main assembly, when the cartridge is mounted to the main assembly. | 05-09-2013 |
20130121720 | CARTRIDGE AND UNIT - A cartridge detachably mountable to a main assembly of an image forming apparatus includes a cartridge frame formed of a resin material; a plurality of resin members molded on the cartridge frame by injection molding of a resin material different from that of the cartridge frame; a plurality of contact surfaces, provided on the cartridge frame, to which metal molds corresponding to the resin members are to be contacted from the same side when the resin members are molded; and a plurality of resin material inlet ports, provided in an opposite side of said cartridge frame from a side where the contact surfaces are provided. The resin material has been flowed into the cartridge frame when the resin members are molded. | 05-16-2013 |
20130170851 | CARTRIDGE - According to an aspect of the present invention, there is provided a cartridge detachably mountable to a main assembly of an image forming apparatus, comprising an electric energy receiving member; a frame of resin material; an electrode member which is molded by injecting electroconductive resin material into the frame which provides an electroconductive path between the electric energy receiving member and a main assembly electrical contact provided in the main assembly when the cartridge is mounted to the main assembly, the electrode member having a projected portion projected from a surface of the frame for contacting the main assembly electrical contact, the projected portion being provided by changing a direction of flow of the injected electroconductive resin material by the metal mold or the frame. | 07-04-2013 |
20140064785 | CARTRIDGE AND IMAGE FORMING APPARATUS - In a configuration in which a charging roller contact unit of a contact unit is located in a periphery of a mounting surface for mounting a cleaning blade of a drum cartridge frame, at least a part of the charging roller contact unit of the contact unit is formed in such a manner that an area of a cross section perpendicular to a direction approaching to the mounting surface of the cleaning blade becomes smaller with an approach to the mounting surface of the cleaning blade. | 03-06-2014 |
20150037065 | CARTRIDGE AND IMAGE FORMING APPARATUS - In a cartridge provided with an electrode portion for connecting a main assembly contact and process means by injecting an electroconductive resin into a frame, in order to simplify structures of the frame and the electrode portion and to improve an assembling property of the cartridge and an electrode property of the electrode portion, the cartridge electrode integrally molded by injecting the electroconductive resin into the frame includes a first contact portion, exposed toward an outside of the frame, contacted to a main assembly contact provided in the apparatus main assembly; a second contact portion provided for being electrically connected to the process means; and an injection receiving portion into which the resin is injected when the cartridge electrode is molded into the frame, and, the electroconductive resin injected from the injection receiving portion is branched to mold the first contact portion and the second contact portion so that an electroconductive path for electrically connecting the main assembly contact and the process means is formed | 02-05-2015 |
Patent application number | Description | Published |
20100209703 | DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET AND PRESSURE-SENSITIVE ADHESIVE TYPE OPTICAL MEMBER - The present invention provides a double-sided pressure-sensitive adhesive sheet, including at least one pressure-sensitive adhesive layer which has a gel fraction of 10 to 70%, has a storage modulus at 23° C. of 1×10 | 08-19-2010 |
20100317792 | PRESSURE-SENSITIVE ADHESIVE TAPE FOR OPTICAL MEMBER - The present invention provides a pressure-sensitive adhesive tape for optical member, which has a toluene emission amount of at most 10 μg/g and a formaldehyde emission amount of at most 3 μg/g. The pressure-sensitive adhesive tape may include an acrylic pressure-sensitive adhesive layer. The pressure-sensitive adhesive tape of the invention is favorable for use for in-vehicle installation, and for use for members near to users such as lenses, panels, etc. | 12-16-2010 |
20110111220 | OPTICAL-USE PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical-use pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer having, as measured through dynamic viscoelastometry, a storage elastic modulus at 80° C. of at least 2.0×10 | 05-12-2011 |
20110112249 | OPTICAL-USE PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical-use pressure-sensitive adhesive sheet, which includes a pressure-sensitive adhesive layer containing a polymer formed of one or more monomer ingredients containing, as an indispensable monomer ingredient, a monomer of which homopolymer has a glass transition temperature of not lower than −10° C., said sheet having a moisture content of at least 0.65% by weight after stored in an environment at 60° C. and 95% RH for 120 hours. The pressure-sensitive adhesive layer is preferably an acrylic pressure-sensitive adhesive layer. | 05-12-2011 |
20120157611 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET, LIQUID CRYSTAL DISPLAY AND INPUT DEVICE COMPRISING THE SAME - The present invention provides an excellent optical pressure-sensitive adhesive sheet having an excellent adhesion property to an optical member. The present invention relates to an optical pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer, wherein a relative dielectric constant at a frequency of 1 MHz is 5 to 10, and an adhesion strength to a glass, which is measured with a peel angle of 180° and a tensile speed of 300 mm/min after 30 min of laminating the optical pressure-sensitive adhesive sheet to the glass, is 3 N/20 mm to 15 N/20 mm. | 06-21-2012 |
20120189835 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical pressure-sensitive adhesive sheet excellent in the productivity, and is reduced in the remaining of an air bubble after an autoclave treatment or the generation of a delayed bubble when laminating the optical pressure-sensitive adhesive sheet to an optical member. The present invention relates to an optical pressure-sensitive adhesive sheet, which comprises an acrylic pressure-sensitive adhesive layer, wherein the acrylic pressure-sensitive adhesive layer is formed by an active energy ray polymerization, a gel fraction of the acrylic pressure-sensitive adhesive layer is 80 wt % or less, and a content of a component having a molecular weight of 50,000 or less in a sol matter of the acrylic pressure-sensitive adhesive layer is 20 wt % or less. | 07-26-2012 |
20120328864 | OPTICAL DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical double-sided pressure-sensitive adhesive sheet excellent in step absorbability and anti-foaming release property. The invention relates to en optical double-sided pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer which contains an acrylic polymer A and an acrylic polymer B having a weight average molecular weight of from 1,000 to 30,000, and has a residual stress after 180 seconds of 3.0 N/cm | 12-27-2012 |
20130158221 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical pressure-sensitive adhesive sheet which can control the change in capacitance, which cause malfunction, when the optical pressure-sensitive adhesive sheet is applied to an optical member. The present invention provides an optical pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer, wherein a relative dielectric constant at a frequency of 1 MHz is 2 to 8, and a dielectric tangent at a frequency of 1 MHz is more than 0 and 0.2 or less. | 06-20-2013 |
20140037952 | RADIATION-CURABLE PRESSURE-SENSITIVE ADHESIVE, RADIATION-CURABLE PRESSURE-SENSITIVE ADHESIVE LAYER, RADIATION-CURABLE PRESSURE-SENSITIVE ADHESIVE SHEET, AND LAMINATE - Provided is a pressure-sensitive adhesive capable of realizing a pressure-sensitive adhesive layer having satisfactory adhesion performance and a high ink step absorbability. A radiation-curable pressure-sensitive adhesive, which contains a (meth)acryl-based polymer obtained by polymerizing a monomer component containing 30 to 90% by weight of an alkyl(meth)acrylate having an alkyl group of 10 to 22 carbon atoms at an ester end, and having a radically polymerizable functional group containing a carbon-carbon double bond. | 02-06-2014 |
20140039128 | RADIATION-CURABLE PRESSURE-SENSITIVE ADHESIVE LAYER, AND RADIATION-CURABLE PRESSURE-SENSITIVE ADHESIVE SHEET - An object of the present invention is to provide a radiation-curable pressure-sensitive adhesive layer that satisfies both reworkability and adhesion reliance. Further, another object of the present invention is to provide a pressure-sensitive adhesive sheet containing the radiation-curable pressure-sensitive adhesive layer. The invention relates to a radiation-curable pressure-sensitive adhesive layer, which has an adhesive strength of 1.0 N/20 mm or less before radiation curing and an adhesive strength of 3.0 N/20 mm or more after radiation curing, and a peeling adhesive strength of 40.0 N/(20 mm×20 mm) or less before radiation curing, to an acrylic plate. | 02-06-2014 |
20160102229 | OPTICAL FILM WITH PRESSURE SENSITIVE ADHESIVE AND PRODUCTION METHOD THEREOF, AND METHOD FOR PRODUCING IMAGE DISPLAY DEVICE - The optical film with a pressure sensitive adhesive comprises an optical film including a polarizing plate, a first pressure sensitive adhesive layer provided on first main surface of the optical film, and a second pressure sensitive adhesive layer provided on second main surface of the optical film. The first pressure sensitive adhesive layer has a thickness of 30 μm or more. In the first pressure sensitive adhesive layer, a fluidity of a pressure sensitive adhesive at an end surface is lower than a fluidity of the pressure sensitive adhesive at an in-plane central part. | 04-14-2016 |
Patent application number | Description | Published |
20120094037 | PRESSURE-SENSITIVE ADHESIVE SHEET FOR OPTICAL USE - Provided is a pressure-sensitive adhesive sheet for optical use which less suffers from a misoperation-causing change in capacitance upon application to an optical member. | 04-19-2012 |
20130123417 | PRESSURE-SENSITIVE ADHESIVE SHEET - A pressure-sensitive adhesive sheet excellent in the resistance to clouding caused by humidification, and excellent in the level difference absorbability, in particular, in the level difference absorbability for a high level difference is provided. The pressure-sensitive adhesive sheet of the present invention is a pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer includes an acrylic polymer obtained by polymerizing monomer components; the monomer components includes alkyl (meth)acrylate having a linear or branched alkyl group having 10 to 16 carbon atoms and a hydrophilic monomer; the content of the alkyl (meth)acrylate is 30% by weight or more in relation to the total amount (100% by weight) of the monomers; and the content of the hydrophilic monomer is 10% by weight or more in relation to the total amount (100% by weight) of the monomers. | 05-16-2013 |
20130123450 | PRESSURE-SENSITIVE ADHESIVE SHEET - A pressure-sensitive adhesive sheet excellent in the level difference absorbability, in particular, in the level difference absorbability for a high level difference, and also excellent in workability is provided. The pressure-sensitive adhesive sheet of the present invention is a pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer includes an acrylic polymer obtained by polymerizing monomer components; the monomer components includes alkyl (meth)acrylate having a linear or branched alkyl group having 10 to 16 carbon atoms; the content of the alkyl (meth)acrylate is 70% by weight or more in relation to the total amount (100% by weight) of the monomers; and the gel fraction of the pressure-sensitive adhesive layer is 50% by weight or more. | 05-16-2013 |
20130323437 | PRESSURE-SENSITIVE ADHESIVE SHEET FOR OPTICAL USE - Provided is a pressure-sensitive adhesive sheet for optical use which less suffers from a misoperation-causing change in capacitance upon application to an optical member. | 12-05-2013 |