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Composition or layers

Subclass of:

399 - Electrophotography

399130000 - IMAGE FORMATION

399320000 - Fixing (e.g., fusing)

399328000 - By heat and pressure

399330000 - Heated roller

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Entries
DocumentTitleDate
20110194882FIXING MEMBER, MANUFACTURING METHOD THEREOF, AND FIXING APPARATUS - The present invention relates to a fixing member that can apply sufficient power to press toner particles on a raised portion of a paper surface while also maintaining good conformability to a depressed portion of the paper surface that is an advantage of a surface layer including a soft rubber layer. The fixing member has a surface layer to come into contact with toner, the surface layer has a sea-island structure in which the fluororubber constitutes a sea phase and a silicone compound having a crosslinked structure constitutes an island phase, and in a stress-strain curve of the surface layer, the tangential elastic modulus, the slope of the curve, increases as the strain increases, in the strain range of 0.25 to 0.8.08-11-2011
20100129123Fixing member, and fixing device and image forming apparatus using same - A fixing member including a substrate and an elastic layer provided on a surface of the substrate. The elastic layer includes a fluorosilicone rubber including carbon fibers and voids.05-27-2010
20130078020FIXING DEVICE, IMAGE FORMATION APPARATUS, AND METHOD OF MANUFACTURING FIXING ROLLER - A fixing device includes a fixing roller configured to be heated by a heat source, and a pressure roller configured to be in pressure-contact with the fixing roller. The fixing roller includes a cylindrical tubular core having an inner circumferential surface and one or more ribs protruded from the inner circumferential surface and extending spirally along the inner circumferential surface. The total number of times that the one or more spiral ribs cross through a region of contact between the fixing roller and the pressure roller is more than one, regardless of a rotation angle of the fixing roller.03-28-2013
20100104335FIXING ROLLER/FIXING BELT, AND PROCESS FOR MANUFACTURING THE SAME - A fixing roller/fixing belt having an elastic layer and a surface layer formed on a substrate material in the enumerated order, wherein the surface layer is a layer formed by thermally shrinking a PFA tube, and the surface layer and the elastic layer are bonded together through a PFA-containing adhesive material. In particular, a fixing roller/fixing belt in which the ratio of heat shrinkage of the PFA tube forming the surface layer is 3 to 20%. Also, a fixing roller/fixing belt, in which the quantity of PFA contained in the PFA-containing adhesive material is 20 to 30 wt %.04-29-2010
20100104334IMAGE FORMING APPARATUS - A fixing device of an image forming apparatus includes a magnetic core forming a magnetic path composed of a first path for induction-heating a specified area of a heating member and a second path for induction-heating only a smaller area as a reduction of the specified area and the magnetic field being composed of a common magnetic field region where both the first and the second paths pass and an uncommon magnetic field region where only the first path passes; and a magnetism adjusting member arranged at least over the uncommon magnetic field region and permitting the passage of magnetic fluxes propagating toward the heating member from the magnetic core in the uncommon magnetic field region when the magnetic path is switched to the first path while suppressing the passage of the magnetic fluxes in the uncommon magnetic field region when the magnetic path is switched to the second path.04-29-2010
20100104333HEATING ROLLER AND IMAGE FORMING APPARATUS - The present invention provides a technique that can contribute to the improvement of fixing performance while maintaining appropriate nip width. A heating roller includes: a core configured to rotate around a predetermined rotation axis; plural elastic layers laminated on the outer circumference of the core; and a conductive layer formed on the outer circumference of the plural elastic layers. The plural elastic layers have, in a rotation radius direction, larger specific heat in the elastic layer on the outer side than in the elastic layer on the inner side and have lower thermal conductivity in the elastic layer on the inner side than in the elastic layer on the outer side.04-29-2010
20090154967Fuser device and image forming device - A fuser device includes a fusing member including an elastic layer on a surface side thereof and a cylindrical curved surface portion having a predetermined diameter, a heating member including a cylindrical curved surface portion having a predetermined diameter, the heating member having contact with the fusing member and heating the fusing member, and a pressure member including an elastic layer on a surface side thereof and a cylindrical curved surface portion having a predetermined diameter, the pressure member pressing the fusing member.06-18-2009
20130045034HEAT-PRODUCING FIXING BELT AND IMAGE FORMING APPARATUS USING THE SAME - Disclosed is a heat-producing fixing belt of a cylindrical shape which is composed of a heat-producing layer, an elastic layer, and a releasing layer in this sequential order from the inner side, and the heat-producing layer contains a polyimide resin and fabric containing carbon fiber and a pair of electrodes to supply power to the heat-producing layer making contact with the fabric containing carbon fiber are provided on both ends of the cylindrical shape.02-21-2013
20090041517RELEASE FLUID ADDITIVES - The presently disclosed embodiments are directed to release fluids or agents that are useful in release coating in toner-based technologies. More particularly, the embodiments pertain to the addition of metal chelating agents to release fluids to prevent byproduct reactions from the fusing process that would otherwise decrease fuser member life and image quality.02-12-2009
20090041516FIXING DEVICE, MANUFACTURING METHOD FOR COMPONENT MEMBERS OF FIXING DEVICE, AND IMAGE FORMING APPARATUS - There are provided two members which respectively have a form of a cylindrical roller or an endless belt and which are put in pressure contact with each other so as to form a nip section for fixation. There is provided a heating source which heats at least one of the two members to fixing temperature. In an end section corresponding to a downstream side of a nip section with respect to a sheet conveyance direction, one member out of the two members is curved in a state of protruding toward the other member. The one member has a surface made of fluorine-based resin, and an arithmetic average roughness of the surface is in a range of 0.1 μm to 1.3 μm.02-12-2009
20130058691FIXING DEVICE AND IMAGE FORMATION APPARATUS - A fixing device comprising: an endless fixing belt having a multilayer structure including a non-magnetic conductive layer and a first magnetic conductive layer, the non-magnetic conductive layer having a thickness smaller than a skin depth of a material thereof, the first magnetic conductive layer having a thickness smaller than a skin depth of a material thereof and being located farther from an outside surface of the fixing belt than the non-magnetic conductive layer; and a supporting member disposed inside the endless fixing belt and including a second magnetic conductive layer having a thickness smaller than a skin depth of a material thereof. The first magnetic conductive layer and the second magnetic conductive layer have a higher specific resistance than the non-magnetic conductive layer, and the first magnetic conductive layer has been manufactured by plastic forming or plating.03-07-2013
20110013956HEAT GENERATING SLEEVE, FIXING DEVICE AND IMAGE FORMING APPARATUS - A heat generating sleeve (01-20-2011
20110013955HEATING MEMBER HAVING RESISTIVE HEATING LAYER AND FUSING DEVICE USING THE SAME - Disclosed are a heating member having a resistive heating layer and a fusing device using the heating member. The heating member includes the resistive heating layer on an outer circumferential surface of a load support member. Electricity is supplied to an inner circumferential surface and an outer circumferential surface of the resistive heating layer in a direction perpendicular to the resistive heating layer.01-20-2011
20120224897FUSER TOPCOAT COMPRISING ELECTROSPUN NON-WOVEN POLYMER NANOFABRICS - Exemplary embodiments provide materials and methods for a non-woven fabric, a fuser member, and a fusing apparatus used in electrophotographic printing devices, wherein the non-woven fabric can be at least part of the topcoat layer of the fuser member and can include a plurality of non-woven electrospun fibers bonded with a fluoropolymer.09-06-2012
20090232569FIXING DEVICE, IMAGE FORMING APPARATUS, HEAT FIXING MEMBER FOR FIXING DEVICE, CYLINDRICAL ROATATING MEMBER AND MEDIUM TRANSPORTING DEVICE - A cylindrical rotating member rotatably supported in a device in state where it is configured to contact a medium and that is heated in state where it is supported in the device, including: an elastically deformable base body that is a metal cylinder extending in a width direction of the medium, the width direction intersecting a transport direction of the medium, the base body being configured such that: when the base body is rotated and a portion of the base body reaches a contact-portion at which the base body contacts the medium, the portion of the base body elastically deforms, applies pressure to the medium, increases the size of a contact-area with the medium and applies heat to the medium; and after the base body is further rotated and the portion of the base body has passed the contact-portion, the base body elastically recovers its original shape is provided.09-17-2009
20130164060FIXING APPARATUS AND FILM FOR USE IN FIXING APPARATUS - A fixing apparatus for fixing a toner image on a recording material, while conveying the recording material bearing the toner image, at a nip portion includes a tubular film, a heater configured to heat the film, and a pressure member configured to form the nip portion with the film, wherein the film has a property that a resistance value per unit area between an outer surface of the film and an inner surface of the film becomes 5×1006-27-2013
20090317158FIXING DEVICE AND IMAGE FORMATION APPARATUS - A fixing device forms a fixing nip by pressing a first roller, which is inside a rotation path of a rotating belt, with a second roller via the belt, and thermally fixes an unfixed image formed on a sheet S by passing the sheet S through the fixing nip while heating the belt by electromagnetic induction. The fixing device comprises an excitation coil positioned outside said path, and a fixed plate that (i) is inside said path, substantially facing the excitation coil via the belt, (ii) contacts an inner surface of the belt, and (iii) keeps the belt on said path. A base member of the belt is a conductive heat generation layer containing no magnetic shunt alloy. The fixed plate includes a conductive layer and a magnetic shunt alloy layer that is closer to the belt than the conductive layer.12-24-2009
20110135359FIXING DEVICE INCLUDING AUXILIARY HEAT GENERATING MEMBER COMPRISING REGION WIDER THAN HEAT GENERATION REGION - According to one embodiment, a fixing device includes: a fixing belt comprising a first metal heat generating layer; a pressing unit opposing to the outer circumference of the fixing belt; an induction-current generating coil presented near the circumferential surface of the fixing belt; a nip forming member present on the inner side of the fixing belt and configured to press the fixing belt against the pressing unit; and an auxiliary heat generating member present in a heating region by the induction-current generating coil on the inner side of the fixing belt, having a second metal heat generating layer, and extending to the outer side of the heating region by the induction-current generating coil.06-09-2011
20110293343FUSING APPARATUS USED TO FUSE TONER IMAGE AND IMAGE FORMING APPARATUS - A fusing apparatus allows a recording member to pass through between a heat member and a pressure member, to transport and heat the recording member, and thereby fuses a toner image on the recording member. The heat member has a release layer, a low emissivity member, and an elastic layer. The release layer is formed on an outermost layer of the heat member. The low emissivity member is provided between the heat source and the release layer so as to abut on the release layer, and is made of a material with a lower emissivity than a material forming the release layer. The elastic layer is provided between the heat source and the low emissivity member. The release layer has infrared transmission properties at wavelengths of 2 to 10 μm.12-01-2011
20110293342HEAT-PRODUCING ELEMENT FOR FIXING DEVICE AND IMAGE FORMING APPARATUS - A heat-producing element for a fixing device to carry out heat-fixing after a toner image having been formed using a pulverized toner is transferred on an image support, a heat-producing element for a fixing device in which a thin-leaf graphite-pulverized material of a volume specific resistance of 1012-01-2011
20110206428FIXING MEMBER, FIXING APPARATUS AND IMAGE FORMING APPARATUS - A fixing member includes a tubular surface layer having a first band section including a resin composition that contains a heat resistant resin having releasability, and a second band section having a higher mechanical strength than the resin composition, and the first band section and the second band section is respectively disposed along a circumferential direction of the surface layer and is disposed alternately in a width direction of the surface layer.08-25-2011
20100129125LIGHT-ABSORPTIVE DEVICE, FIXING UNIT USING THE LIGHT-ABSORPTIVE DEVICE, AND IMAGE FORMING APPARATUS - A light-absorptive device for absorbing light includes a light source configured to emit light and a light-absorptive element configured to absorb the light emitted from the source. The light-absorptive element includes a light-absorptive layer in which a nano-component comprised of one or more nano particles coated with a shape keeping agent is dispersed. The aspect ratio(s) and/or the dielectric constant of the light-absorptive layer may be selectively varied to realize a peak wavelength of absorption spectrum that corresponds to the wavelength(s) of the light emitted by the light source. The light-absorptive device may be incorporated as a heating unit, such as a fixing unit of an image forming apparatus to fix toner images on to a recording medium.05-27-2010
20100129124IMAGE HEATING APPARATUS - An image heating apparatus includes a coil for generating magnetic flux; a rotatable heat generating member, having an electroconductive layer which generates heat by the magnetic flux, for heating an image on a recording material, wherein the coil has a length longer than that of the heat generating member with respect to a rotational axis direction of the heat generating member; and a magnetic member, provided oppositely to the coil at an end position of the heat generating member, having AC magnetic permeability of 1000 or more at 100 kHz.05-27-2010
20110200372FIXATION DEVICE AND IMAGE FORMATION APPARATUS - A fixation device includes: a rotation member provided to be rotatable; a conveyance member provided in contact with the rotation member and configured to convey media; and a first press member configured to press the conveyance member against the rotation member. The first press member includes, at an area in contact with the conveyance member, a slide part including convex surfaces, each of which is a part of a spherical surface.08-18-2011
20110200371FIXING MEMBER AND METHOD FOR MANUFACTURING SAME - A fixing member according to the present invention is such one as is brought into pressure contact with a conveyed sheet to fix an image onto the sheet. The fixing member comprises a cylindrical or annular base material, a rubber layer provided so as to cover an outer surface of the base material and having elasticity, and an outer layer provided so as to cover an outer surface of the rubber layer for aiding release of the sheet. A siloxane content in a central section of the rubber layer is less than twice the siloxane content in an end portion of the rubber layer with respect to a width direction vertical to a circumferential direction on the base material.08-18-2011
20090285611ROLLER FOR FIXING AND IMAGE FIXING APPARATUS USING ROLLER FOR FIXING - A roller for fixing and an image fixing apparatus using the roller for fixing that can prevent wrinkles from occurring on a roller surface. The roller for fixing includes at least an elastic layer on a core metal and includes a thermal conductive fluororubber latex layer containing a mixture of fluororubber, fluororesin and thermal conductive fillers more outer side than the elastic layer, wherein an intermediate layer made of silicone rubber having higher thermal conductivity than the thermal conductive fluororubber latex layer is provided between the thermal conductive fluororubber latex layer and the elastic layer, and the intermediate layer is configured so that an elastic parameter Y(=H×T) satisfies a relational expression:11-19-2009
20100111580LIGHT ABSORPTION DEVICE, FIXING UNIT COMPRISING THE LIGHT ABSORPTION DEVICE AND IMAGE FORMING APPARATUS COMPRISING THE FIXING UNIT - Disclosed are a light absorption device, a fixing unit including the same and an image forming apparatus including such fixing unit. The light absorption device includes a plurality of dielectric layers containing nano-rods. Surface plasmon resonance generated in response to certain wavelengths corresponding to the dielectric constants of the dielectric layers can result in an improvement in the light absorption efficiency. Further improvements can be realized by adjusting the dielectric constants of the dielectric layers.05-06-2010
20080240810Image Forming Apparatus Component With Triboelectric Properties - The present disclosure relates to an image forming device component that includes an elastomeric material having a surface and a triboelectric charging material that may be exposed on the elastomeric material surface. The triboelectric material may be exposed by a finishing process that results in removal of a portion of the material leaving voids in the surface. The surface may have a surface roughness in the range of about 0.1 to 5.0 Ra. The component may include a developer roller in an electrophotograhic printer and may provide contact electrification to a given toner during a printing operation.10-02-2008
20080273904IMAGE HEATING APPARATUS AND ROTATABLE HEATING MEMBER USED FOR THE SAME - Disclosed is an image heating apparatus. The image heating apparatus includes a rotatable heating member for heating an image on a recording material in a nip portion, and a heating unit for heating the heating member from the outside thereof. With this structure, a warm-up time period or a first print-out time period can be reduced, and low power consumption can be accomplished. Further, satisfactory image quality can be realized with no heating (fixing) irregularity. The heating member has a low thermal conductive elastic layer, and a heat storage layer outside the low thermal conductive elastic layer to have a volume heat capacity larger than the low thermal conductive elastic layer. A heat capacity of the heat storage layer per unit surface area of a fixing member is in a range of 100 J/m11-06-2008
20110142509HEATING FIXING ROLLER AND PROCESS FOR PRODUCING THE HEATING FIXING ROLLER - Provided is a heating fixing roller which includes a tubular base member and a fluororesin layer provided on an outer circumferential surface of the base member directly or through an adhesive layer, the heating fixing roller being characterized in that the fluororesin layer contains phosphorus-doped tin oxide. The heating fixing roller has a surface resistance capable of stably and effectively preventing the occurrence of electrostatic offsets, and also has an excellent releasing property. Also provided is a process for producing the heating fixing roller, characterized by including the steps of applying a fluororesin dispersion containing an aqueous dispersion of phosphorus-doped tin oxide onto a tubular base member or an adhesive layer disposed on an outer circumferential surface of the tubular base member, and then sintering the fluororesin.06-16-2011
20080205950Silane Functionalized Fluoropolymers - A composition of matter includes a plurality of fluoropolymer chains. Each of the fluoropolymer chains is chemically bonded to at least one organic graft. The at least one organic graft includes a phenoxy group, a linking group, and at least one silane end group. The phenoxy group is chemically bonded to the fluoropolymer chain, and the linking group chemically bonds the phenoxy group with the at least one silane end group.08-28-2008
20100143009Heat Roller for Electrophotographic Image Forming Device - A heat roller for an electrophotographic device comprised of an internal tube inside an insulating layer wherein a heating element having a resistance member is fixed to the outer surface of the insulating layer by depositing the resistance member onto a polyimide film applied to the insulating layer, depositing the resistance member directly to insulating layer, or embedding the resistance member in the insulating layer. Alternatively, the heating element having a resistance member is fixed to the outer surface of the internal tube by depositing the resistance member onto a polyimide film applied to the internal tube, thereby eliminating the insulating layer. An elastomer layer of predetermined thickness is overmoulded to the outer surface of the insulating layer or the internal tube and an outside surface is applied to the outer surface of the elastomer layer wherein a toner image is fused on paper from the outside surface by heat transferred from the heating element.06-10-2010
20120070208INDUCTION HEATED MEMBER - Exemplary embodiments provide an induction heating member including a substrate and a heating layer disposed on the substrate. The heating layer includes carbon nanotubes and metal. An outer layer is disposed on the heating layer and includes a fluoropolymer.03-22-2012
20090142114FIXING DEVICE - A fixing device enabling the temperature of a heating element to be uniformly and stably maintained even if the heating element is eccentrically moved or vibrated. An opposed core (06-04-2009
20090324308OIL LESS FUSING USING NANO/MICRO TEXTURED FUSING SURFACES - Exemplary embodiments provide a fixing member having a textured surface, and methods for making and using the textured fixing member. The fixing member can include a substrate having one or more functional layers formed thereon. The one or more functional layers can include an outermost or top surface having a surface wettability that is hydrophobic and/or oleophobic; ultrahydrophobic and/or ultraoleophobic; or superhydrophobic and/or superoleophobic by forming textured features. Such fixing member can be used as an oil-less fusing member for high speed, high quality electrophotographic printing to ensure and maintain a good toner release from the fused toner image on an image supporting material(e.g., a paper sheet), and further assist paper stripping. In addition, the textured surface can provide an oil-free, such as wax-free, toner design for the oil-less fixing process.12-31-2009
20110142510FIXING DEVICE - To provide a technique for preventing a temperature rise in a non-sheet passing areas in a fixing device. The fixing device includes: a heating rotational member that includes at least one roller and heats a toner transferred on a sheet; a pressing roller that nips and carries the sheet in cooperation with the heating rotational member; a heating device that heats the heating rotational member; and heat pipes arranged, on the inside of at least one of the roller of the heating rotational member and the pressing roller, in ranges on both the sides in an axial direction of the roller from positions closer to the center in the axial direction than both the ends of a minimum sheet passing range in the axial direction of the roller of the nipped and carried sheet to positions further on the outer sides in the axial direction than both the ends of a maximum sheet passing range.06-16-2011
20110229230FIXING ROLLER, FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing roller for fixing a toner image onto a recording sheet by heat, the fixing roller has a cored bar; an open-cell foam sponge layer provided around the cored bar; and a closed-cell foam sponge layer provided around the open-cell foam sponge layer. A fixing device has the fixing roller, and an image forming apparatus has the fixing device.09-22-2011
20090220288IMAGE HEATING APPARATUS AND HEATER FOR USE IN IMAGE HEATING APPARATUS - The heater includes an elongated substrate, two electrodes disposed along a longitudinal direction of the substrate, and a heat generation resistive member connected between the two electrodes. The heat generation resistive member is formed on the substrate by one of a sputtering method and a vapor deposition method. The uniform heat generation distribution of a heat generation resistive member in a heater can be achieved so as to reduce a temperature difference between a pass-through area through which a recording material passes and a no sheet pass-through area through which the recording material does not pass.09-03-2009
20120195656RESIN MATERIAL, ENDLESS BELT, ROLL, IMAGE FIXING UNIT, AND IMAGE FORMING APPARATUS - Provided is a resin material including at least one of a reaction product and a mixture of a polyimide and a polyurethane that is a polymer of an isocyanate with an acrylic resin containing a side chain having a hydroxyl group.08-02-2012
20090317159FIXING APPARATUS FOR FORMING AN IMAGE - A fixing apparatus according to the invention comprises an elastic member, a heating roller including a conductive metal layer on the outside of the elastic member, a pressurizing roller for supplying a predetermined pressure to the heating roller, and a driving mechanism for rotating the heating roller through the conductive metal layer, wherein a member for connecting the driving mechanism and conductive metal layer is made of material that is not twisted and deformed by the rotation of the heating roller.12-24-2009
20090290918Soft pressure roller composition for fusing system - A soft pressure roller for use in a printer fusing system having an inside diameter and an outside diameter, wherein the roller is fabricated of LIM silicone elastomer having a softness of between 15 and 35 Asker C and wherein the distance between the inside diameter and the outside diameter is between 2 mm and 10 mm.11-26-2009
20100189479ELECTROPHOTOGRAPHIC FIXING MEMBER AND MANUFACTURING METHOD THEREOF, FIXING APPARATUS, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - An electrophotographic fixing member is provided, which is excellent in toner releasability and hard to change in rubber elasticity of a silicone rubber elastic layer. The fixing member is laminated with a substrate, a cured silicone rubber layer, a cured silicone rubber adhesive layer and a fluorine resin layer, wherein when infrared light absorption strength ratios (1020 cm07-29-2010
20100183348FLUORINATED CARBON NANOTUBES AND TEFLON RELATED NANOCOMPOSITES - In accordance with the invention, there are printing apparatuses, fuser members, and methods of making fuser members. The printing apparatus can include a fuser member, the fuser member including a substrate. The fuser member can also include one or more functional layers disposed over the substrate and a top coat layer including a fluorinated nanocomposite disposed over the one or more functional layers, wherein the fluorinated nanocomposite includes a plurality of fluorinated carbon nanotubes dispersed in one or more fluoropolymers.07-22-2010
20090047048PRESSURE ROLLER AND METHOD FOR PRODUCTION THEREOF - A pressure roller includes a rubber layer containing organic microballoons and a heat-resistant resin layer arranged in that order on a roller base, wherein an intermediate rubber layer having a heat conductivity of 1.0 to 4.0 W/m·K is arranged between the rubber layer containing the organic microballoons and the heat-resistant resin layer. There is provided a method for producing the pressure roller.02-19-2009
20100239339HEATING ROTATOR, FIXING DEVICE AND IMAGE FORMING DEVICE - A heating rotator that is used for heating a developer on a recording medium has a cylindrical body that is made of a metal and both end portions of the cylindrical body is rotatably supported. The cylindrical body has a thick-walled portion at both end portions that is thicker than a center portion in an axial direction of the cylindrical body, and a cross-sectional shape of the heating rotator changes from the end portions toward the center portion in a pressure area of an outer peripheral surface to which pressure is applied by a pressure rotator.09-23-2010
20100209154HEATING MEMBER USING CARBON NANOTUBE AND FIXING UNIT USING THE HEATING MEMBER - A fixing unit includes a heating member which includes a core member, and a heating layer. The heating layer is disposed on an outer circumference of the core member. The heating layer includes an elastic material, and carbon nanotube doped with metal and distributed in the elastic material as a conductive filler of the heating layer. A press member faces the heating member to form a fixing nip. The fixing unit applies heat and pressure to toner on a medium passing through the fixing nip, to fix the toner on the medium.08-19-2010
20100054828Fixing Device and Image Forming Apparatus03-04-2010
20110026990ROTATIONAL HEATING MEMBER, AND IMAGE HEATING APPARATUS HAVING ROTATIONAL HEATING MEMBER - An image heating rotatable member for heating an image on a recording material, comprising a base layer; a heat generation layer, provided on the base layer, for generating heat by being supplied with electric power; an electrode layer, provided outside of the heat generation layer with respect to a widthwise direction and having an electric resistance which is smaller than that of the heat generation layer, for supplying the electric power to heat generation layer; an elastic layer provided on the electrode layer and having a length longer than that of the electrode layer measured in the widthwise direction; and a parting layer provided on the elastic layer and having a length which is substantially equal to the length of the electrode layer measured in the widthwise direction;02-03-2011
20110129268FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a pressing member pressed against a fixing member to form a nip between the pressing member and the fixing member through which a recording medium bearing a toner image passes. A heater support provided inside the fixing member supports a laminated heater. The laminated heater is provided between the fixing member and the heater support and includes a flexible, first heat generation sheet that includes an insulating base layer, at least one resistant heat generation layer provided on the base layer to generate heat, and at least one electrode layer provided on the base layer to supply power to the at least one resistant heat generation layer.06-02-2011
20100310290FIXING MEMBER, MANUFACTURING METHOD OF FIXING MEMBER, ROTATIONAL BODY OF FIXING MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS - A fixing member is included on a fixing rotational body having a heat source built therein. The fixing rotational body is configured to fix unfixed toner onto a recording medium as the recording medium carrying the unfixed toner passes through a nip portion formed between the fixing rotational body and a pressurizing unit that comes into pressure contact with the fixing rotational body via the recording medium. The fixing member is made of silicon rubber including carbon fiber, wherein vacant spaces are formed in the silicon rubber.12-09-2010
20110116849INDUCTION HEATED MEMBER - Exemplary embodiments provide an induction heating member including a substrate and a heating layer disposed on the substrate. The heating layer includes carbon nanotubes and metal. An outer layer is disposed on the heating layer and includes a fluoropolymer.05-19-2011
20100329754IMAGE FIXING DEVICE AND IMAGE FORMING APPARATUS - The invention provides an image fixing device containing a tubular formed first rotating body rotatable in a circumferential direction, a second rotating body that is arranged so that an outer circumferential surface of the second rotating body is in contact with an outer circumferential surface of the first rotating body, a heating unit that heats the first rotating body; and a heating auxiliary member that is arranged to be in contact with an inner circumferential surface of the first rotating body, at least a surface of the heating auxiliary member that is in contact with the inner circumferential surface of the first rotating body being made of a porous metal.12-30-2010
20110044738FUSING CORE AND DRIVE COLLAR ASSEMBLY - A system for stabilizing a fuser core in an imaging device. The system includes a fuser core having a body and two opposing ends, and a pair of hubs. The opposing ends of the fuser core are configured with ratchet type geometric profiles that mate with ratchet type geometric profiles configured on the corresponding hubs. The system also includes two elastomeric collars each of which is at least partially disposed between the end of the fuser core and the corresponding mating hub.02-24-2011
20120243924METHOD OF CONTROLLING GLOSS - The present teachings provide a fusing method and system of tuning gloss level on a copy substrate. The method includes obtaining an image forming apparatus for forming images on a recording medium comprising a charge-retentive surface to receive an electrostatic latent image thereon. The method includes applying toner to the charge-retentive surface to develop an electrostatic latent image to form a developed image on the charge-retentive surface. The developed image is transferred from the charge retentive surface to a copy substrate. The toner images are fused to a surface of the copy substrate. The gloss is adjusted on the copy substrate by providing a fuser member having a surface layer a fluoroplastic matrix having dispersed therein aerogel particles wherein the greater a weight percent of the aerogel particles in the fluoroplastic matrix the lower the gloss.09-27-2012
20100124448Resistive Heating Hot Roll Fuser - A fuser roll adapted to fuse toner on the surface of a recording medium is disclosed. The fuser roll includes a non-metallic core having an outer surface, and a resistive heating element covering at least a portion of the outer surface of the core. A current transmitter is provided for transmitting a current to said resistive heating element, and an insulation layer is provided for covering at least a portion of said resistive heating element. A toner release layer is provided for covering at least a portion of said insulation layer.05-20-2010
20100226701FUSER MEMBER - A fuser member includes a substrate and an outer layer including a polymeric material and an aerogel component that is at least one of dispersed in or bonded to the polymeric material.09-09-2010
20090028617FIXING APPARATUS, HEATING ROLLER, AND IMAGE FORMING DEVICE - There is provided a fixing apparatus capable of reducing the warm-up time, improving the heating efficiency, and suppressing the temperature increase out of the sheet width by using a magnetic adjuster. In this apparatus, the Currie temperature Tc of the magnetic adjuster material heated by electromagnetic induction is set to 220 degrees C. or below and the fixation setting temperature of a heating member corresponding to the portion where a recording material passes during continuous sheet feed is set lower than a value than the temperature at which the relative magnetic permeability of the magnetic adjuster material begins to decrease. Thus, it is possible to obtain a large difference between the heating portion and the non-heating portion, to surely prevent excessive temperature increase of the portion out of the recording material width, to reduce the warm-up time, and improve the heating efficiency.01-29-2009
20110070004CYLINDRICAL HEATING ELEMENT AND FIXING DEVICE - A cylindrical heating element comprising a cylindrical member, a metallic pattern provided on at least one of outer and inner circumferential surfaces of the cylindrical member, which is capable of generating heat by being electrified, and a ring-shaped electrode portion provided on at least one of the outer and inner circumferential surfaces of the cylindrical member in at least one of end portions of the cylindrical member and connected to the metallic pattern in such a manner that the metallic pattern can be electrified through the electrode portion. A fixing device which passes a recording medium on which an unfixed toner image is held through a nip formed by a rotating member for heating and a rotating member for pressurizing which is pressed against the rotating member for heating to fix the toner image on the recording medium with heating under pressure, the rotating member for heating comprising the cylindrical heating element.03-24-2011
20110070006TEMPERATURE EQUALIZING ROLLER AND FIXING DEVICE - A temperature equalizing roller includes a metal pipe, a heat pipe that is located inside the metal pipe and has a thermal expansion coefficient higher than that of the metal pipe, and a joining layer. The joining layer lies between an outer peripheral surface of the heat pipe and an inner peripheral surface of the metal pipe, joins the outer peripheral surface of the heat pipe and the inner peripheral surface of the metal pipe, and has a higher thermal conductivity than a thermal conductivity of air.03-24-2011
20110070005CYLINDRICAL HEATING ELEMENT AND FIXING DEVICE - A cylindrical heating element comprising a cylindrical member, and a metallic pattern provided on at least one of outer and inner circumferential surfaces of the cylindrical member, which is capable of generating heat by being electrified. A fixing device which passes a recording medium on which an unfixed toner image is held through a nip formed by a rotating member for heating and a rotating member for pressurizing which is pressed against the rotating member for heating to fix the toner image on the recording medium with heating under pressure, the rotating member for heating comprising the cylindrical heating element.03-24-2011
20100260526HEATING MEMBER INCLUDING RESISTIVE HEATING LAYER AND FUSING DEVICE COMPRISING THE HEATING MEMBER - A heating member includes a weight supporter having an outer circumference, and a resistive heating disposed on the outer circumference of the weight supporter. The resistive heating layer includes a conductive filler dispersed in a base material. A pair of electrodes extends along a length direction of a rotational axis of the weight supporter and is arranged along a circumference of the weight supporter for supplying electric power to the resistive heating layer.10-14-2010
20100119269FIXING MEMBER, METHOD FOR PRODUCING THE SAME, AND FIXING DEVICE - To provide a fixing member for fixing to a recording medium an unfixed image formed with a developer, the fixing member including: a base material; an elastic layer which is provided outside the base material and has an elastic deformation property; and a release layer which is provided outside the elastic layer and promotes separation of the recording medium from the fixing member, wherein the release layer has a plurality of through-holes formed between its front surface and its surface on the opposite side to the front surface, and part of the elastic layer in contact with the release layer can fill the through-holes upon provision of pressure for fixing the unfixed image to the recording medium.05-13-2010
20080247790IMAGE FORMING APPARATUS AND FIXING APPARATUS - An image forming apparatus according to the present invention includes a heating roller 10-09-2008
20090317157FIXING DEVICE HAVING GOOD WARM-UP PROPERTY AND IMAGE FORMATION APPARATUS - Disclosed is a fixing device having a self-temperature control function, and reducing a heat capacity of a heat generation member for saving energy and achieving good warm-up property. The fixing device includes a fixed plate inside a closed rotation path of a belt, contacting an inner circumferential surface of the belt, substantially opposed to an excitation coil with the belt therebetween, keeping the belt on the rotation path. The fixed plate includes: a magnetic shunt alloy layer made of a magnetic shunt alloy; a conductive heat generation layer being disposed toward a main surface of the magnetic shunt alloy layer facing the belt, being made of a conductor other than the alloy, and being thinner than the alloy layer; and a low resistance conductive layer being disposed toward another main surface, having a lower electric resistance value than the heat generation layer, and being thicker than the heat generation layer.12-24-2009
20090317156SELECTIVE POLISHING OF FUSER MEMBERS - A method of forming and a resulting selectively polished fuser member. The method includes selectively polishing that portion of the fuser member surface not subject to rapid natural wear. The method further includes polishing both a surface region subject to rapid sheet edge wear and a surface region not subject to rapid sheet edge wear, and polishing the surface region not subject to rapid sheet edge wear more than the surface region subject to rapid sheet edge wear. The rapid natural wear corresponds to sheet edge wear on the fuser member surface.12-24-2009
20090110453FUSER MEMBER WITH NANO-SIZED FILLER - A fuser member suited to use in a fusing apparatus of an electrostatographic image rendering device includes a substrate and an outer layer over the substrate. The outer layer includes a matrix material and filler particles dispersed in the matrix material. an outer layer comprising a halopolymer and filler particles. The filler particles have a particle size of less than about 1 micrometer and a particle hardness of greater than about 3 on a Mohs hardness scale and form no more than about 3 percent by volume of the outer layer. The outer layer comprising filler particles nonetheless may provide improved wear of the fuser member.04-30-2009
20110176844FIXING MEMBER, FIXING DEVICE AND IMAGE FORMING DEVICE - There is provided a fixing member to be used in a pressured state, the fixing member including: a base member that is rotated; a resilient layer that is formed on an outer periphery of the base member; and a surface layer that is formed on an outer periphery of the resilient layer, wherein an axial direction end face of the resilient layer includes an inclined portion that is inclined such that an axial direction length thereof is longer at the base member side than at the surface layer side, and that is exposed in the axial direction.07-21-2011
20110052285FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a first member. The first member extends along a first longitudinal axis, and has an external surface whose thickness varies along the first longitudinal axis to define at least one first convex portion and at least one first concave portion. A thickness of the first convex portion is larger than a thickness of the first concave portion. A heating source is disposed in the first member. The heating temperature of an inner circumference side of the first convex portion is higher than the heating temperature of the inner circumference side of the first concave portion.03-03-2011
20110052284HEAT GENERATING ROLLER, FIXING DEVICE AND IMAGE FORMING APPARATUS - A heat generating roller (03-03-2011
20100178089FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a first member and a second member. The first member extends along a first longitudinal axis, and has a first elastic layer whose thickness varies along the first longitudinal axis to define at least one first convex portion and at least one first concave portion. The second member extends along a second longitudinal axis parallel to the first longitudinal axis, and has a second elastic layer whose thickness varies along the second longitudinal axis to define at least one second convex portion and at least one second concave portion. At least one of the first and second members is heated, and at least one of the first and second members is pressed against the other, with the first convex portion engaging the second concave portion and the first concave portion engaging the second convex portion, to define a fixing nip therebetween.07-15-2010
20110188910FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device is configured to fix a toner image formed on a recording medium and includes a fixing roll, a separation claw in contact with the fixing roll, and a pressure member disposed to face the fixing roll. The fixing roll includes a metallic core and a surface layer formed on the metallic core. The surface layer is an electroless nickel plating layer containing a boron compound and a phosphorus compound.08-04-2011
20120308281High Fusing Performance Externally Heated Fuser Roller - An externally heated fuser roller to achieve good fusing performance, long life and relatively quick warm-up time. The fuser roller is made up of a metal core, an insulation elastic layer, a heat transport layer and optionally a release layer such that the thickness of the heat transport layer is in the range of about 0.25 and about 1 mm, the effusivity value of the heat transport layer be equal to or greater than about 800 W√s(m12-06-2012
20110116850HEATING MEMBER INCLUDING RESISTIVE HEATING LAYER, AND FUSING APPARATUS AND IMAGE FORMING APPARATUS INCLUDING THE HEATING MEMBER - A heating member includes a resistive heating layer disposed on an outermost layer of the heating member, where the resistive heating layer comprises a conductive filler distributed in a base material and where the resistive heating layer emits heat when supplied with an electric current from an electrode, and a contacting unit which exposes the conductive filler of the resistive heating layer and contacts the electrode..05-19-2011
20120039648LOW ADHESION COATINGS FOR IMAGE FIXING - Various embodiments provide low adhesion coatings that can be used for an image-side member in an image fixing system of an electrophotographic printer or an ink jet printer, wherein the low adhesion coatings can exhibit a low sliding angle ranging from about 1° to about 30° with a solid ink, a toner, hexadecane and/or water.02-16-2012
20120039649FIXING APPARATUS, SYSTEMS, AND METHODS FOR PRINTING - Fixing systems apply at a fixing nip low or ambient temperatures and moderate pressures or relatively high pressures to a substrate on which marking material is deposited. Fixing systems are integrated with a base print engine of a printing system, or added inline as a module to a printing system. Fixing systems and printing systems containing fixing devices and systems, including multi-stage fixing systems accommodate a broad range of substrates.02-16-2012
20110318077HEAT-PRODUCING ELEMENT FOR FIXING DEVICE AND IMAGE FORMING APPARATUS - A heat-producing element for fixing a toner image on an image support, in which the heat-producing element comprises a heat-resistant resin and electrically-conductive fiber having a shape stipulated by conditions 1, 2 and 3. 12-29-2011
20120014726PRESSING ROLLER AND IMAGE HEATING DEVICE USING THE PRESSING ROLLER - A pressing roller includes a core metal and an elastic layer containing a needle-like filler which has an average length of 0.05 mm or more and 1 mm or less and a thermal conductivity of 500 W/(m.k) or more. In the elastic layer, pore portions are dispersed.01-19-2012
20120057911Heating roller comprising induction heating coil made of nickel alloy, fixing unit and image forming apparatus having the same - A heating roller is provided in an image forming apparatus and includes a roller body and an induction heating layer surrounding the roller body to generate Joule's heat by an induction current. The induction heating layer is made of an induction heating coil wound around the surface of the roller body and the induction heating coil is made of a nickel alloy.03-08-2012
20120114401FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes: a rotating fixing body including a resistance heating layer disposed throughout an entire periphery; and a pressure-applying member pressed against an outer peripheral surface of the rotating fixing body to form a fixing nip. The rotating fixing body further includes: a pair of electrodes each of which is a layer disposed along a different one of edges of the resistance heating layer throughout an entire periphery; and a pair of resistor layers each of which is disposed between the resistance heating layer and a different one of the electrodes. An inner edge of each resistor layer is positioned at a location corresponding to or axially more inwardly of an inner edge of the electrode. The resistor layers are higher in volume resistivity than the electrodes.05-10-2012
20120155937Fuser Heating Element for an Electrophotographic Imaging Device - A heating element for the fuser for an electrophotographic imaging device. The heating element includes a panel of positive temperature coefficient material having electrodes coupled to opposed surfaces thereof. The positive temperature coefficient material serves to stabilize the temperature of the heating element so as to prevent damage due to overheating.06-21-2012
20110091254FUSING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A fusing device includes a rotatable pressing roller, a fusing belt to rotate by a rotational force transmitted from the rotatable pressing roller, a nip forming member to contact an inner surface of the fusing belt to form a nip on a contact area between the rotatable pressing roller and the fusing belt, a heating member formed in approximately an internal central portion of the fusing belt to heat the nip forming member and the fusing belt, an inner support member formed within the fusing belt to press a nip part of the nip forming member toward the rotatable pressing roller, and an outer support member formed outside the fusing belt, and both ends of the outer support member being engaged with the inner support member to thereby reinforce the strength of the inner support member and form a path for radiation heat to disperse. The support unit includes an inner support member placed within the belt unit, and an outer support member placed outside the belt unit, both ends of the outer support member being engaged with the inner support member to reinforce the strength of the inner support member and to form a path for a radiation heat to disperse.04-21-2011
20110091253Image forming apparatus and fixing device - An image forming apparatus includes an image carrier to carry a toner image and a fixing device to fix the toner image transferred from the image carrier onto a recording medium by applying at least heat to at least one of the toner image and the recording medium. Such a fixing device includes: a magnetic flux generator to generate a magnetic flux; and a heat generating member disposed at least partially in the magnetic flux. The heat generating member includes a heat generating layer to generate heat via eddy currents therein induced by the magnetic flux, magnitudes of the eddy currents varying according to positions thereof in a width direction of the heat generating layer. Included within the heat generating layer is a magnetic layer having a Curie point in a range, e.g., from about 100 degrees centigrade to about 300 degrees centigrade.04-21-2011
20110091252PRESSING MEMBER AND IMAGE HEATING MEMBER USING THE PRESSING MEMBER - A pressing member for creating a nip in which the pressing member contacts a heating member and a recording material is heated while being nip-conveyed, includes an elastic layer and a high thermal conductive elastic layer which is provided on the elastic layer and has a thermal conductivity which is higher than that of the elastic layer. In the high thermal conductive elastic layer, a needle-like thermal conductivity-anisotropic filler and carbon nanofibers are dispersed in a heat-resistant elastic material.04-21-2011
20110091251HEATING ROLLER HAVING RESISTIVE HEATING ELEMENT AND FUSING DEVICE INCLUDING HEATING ROLLER - A heating roller including a resistive heating layer and a fusing device including the heating roller. By separately disposing a plurality of electrodes in an axis direction of the heating roller, and by independently controlling each electrode, the heating roller may correspond to various papers having different sizes. Accordingly, the temperature of the heating roller may be stably controlled.04-21-2011
20110103854HYPER NANOCOMPOSITES (HNC) FOR FUSER MATERIALS - Provided are fuser members and printing apparatuses including fuser members. The fuser member can include a substrate and a top coat layer including a hyper nanocomposite disposed over the substrate, wherein the hyper nanocomposite can include a plurality of nanoparticles substantially uniformly dispersed in one or more cross-linked hyperbranched polymers selected from the group consisting of polycarbosilane, polycarbosilixane, polycarbosilazene, and polyfluorocarbon.05-05-2011
20120163888FLUOROELASTOMER NANOCOMPOSITES COMPRISING CNT INORGANIC NANO-FILLERS - Exemplary embodiments provide materials and methods for a nanocomposite material and a fuser member containing the nanocomposite material in a fusing system, wherein the nanocomposite material can contain a plurality of carbon nanotubes (CNTs) and a plurality of inorganic nano-fillers (INFs) disposed in a polymer matrix to provide the nanocomposite material with desirable properties.06-28-2012
20100209155Fixing device, fixing apparatus and image forming apparatus - A fixing device having at least a cylindrical base material, an elastic layer disposed on the base material, and a surface layer disposed on the elastic layer is provided. The cylindrical base material has a variation in thickness within about ±10% when the cylindrical base material is in an endless belt shape having flexibility, or within a variation in outer diameter within about ±0.5% when the cylindrical base material is in a circular cylinder tube shape having rigidity. The elastic layer has a variation in thickness within about ±5%. The surface layer has a variation, along the circumferential direction of the base material, in thickness of the surface within about ±5% and with a surface elongation percentage which increases from a center portion toward both end portions in the widthwise direction of the base material. A fixing apparatus and an image forming apparatus having the fixing device are also provided.08-19-2010
20110182638HEAT CONDUCTION UNIT, FIXING DEVICE, AND IMAGE FORMING APPARATUS - A heat conduction unit includes a flexible endless belt, a heat conductor disposed in proximity to an inner circumferential face of the endless belt and having a cross-section substantially identical to a cross-section of the endless belt, a heat source that heats the heat conductor to heat the endless belt, a pressing roller disposed opposite the heat conductor to rotate the endless belt in accordance with rotation of the pressing roller, a nip formation member disposed opposite the pressing roller and within a loop formed by the endless belt to form a nip between the endless belt and the pressing roller, and a pushing member disposed within the loop to support the nip formation member. The heat conductor has at least two different cross-sectional shapes perpendicular to a long direction of the heat conductor at different positions in the long direction of the heat conductor.07-28-2011
20110182637FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A fixing device includes a coil disposed along an outer surface of a heating member and configured to generate magnetic flux for heating the heating member through induction heating; and a core unit being configured to constitute a part of a magnetic path around the coil. The core unit includes a plurality of core bodies arranged in a width direction of a recording medium to be conveyed, the core bodies being made of magnetic material; and a shaft having an outer surface on which the core bodies are arranged, a length of the outer surface being longer than a sum of lengths of the core bodies arranged thereon, the core body lengths including axial tolerances of the core bodies. A gap is provided between any adjacent ones of the core bodies,07-28-2011
20120170958FIXING BELT - Provided is a fixing belt which has high thermal conductivity capable of achieving an excellent fixing property that can respond to the recent increase in printing speed, which has a proper degree of elasticity such that color toners are sufficiently enveloped so as to be melted and mixed, and which has excellent mechanical strength and durability. A fixing belt includes a tubular base member, an elastic layer disposed on the outer circumferential side of the base member, and a surface layer disposed on a surface on the outer circumferential side of the elastic layer, the fixing belt being characterized in that the elastic layer is composed of rubber into which a filler primarily composed of silicon carbide powder and a carbon nanotube are compounded, and the formulae 10X+3Y<750, 3X+30Y>170, X>10, and Y>0.1 are satisfied, where X is the percent by volume of the filler and Y is the percent by volume of the carbon nanotube in the elastic layer.07-05-2012
20120315068FLUORORESIN TUBE AND ROTARY MEMBER FOR FIXING DEVICE - Provided are a fluororesin tube that has substantially no scratches formed during manufacturing, and a rotary member for a fixing device, the rotary member obtained by using the fluororesin tube. The fluororesin tube is a heat-shrinkable fluororesin tube that covers a rotary member for a fixing device, such as a fixing roller or a pressure roller, to form an outermost layer of the rotary member, wherein a maximum depth of a linear scratch on a surface of the fluororesin tube is 0.8 μm or less. In one embodiment, the length of the linear scratch is 1 mm or less, and the thickness of the fluororesin tube is 100 μm or less.12-13-2012
20120213563PRESSURE MEMBERS COMPRISING CNT/PFA NANOCOMPOSITE COATINGS - Exemplary embodiments provide a pressure member used in electrophotographic printing devices, wherein the pressure member can include a coated outermost layer containing fluoropolymers and carbon nanotubes (CNTs) each surrounded by an elastomeric material.08-23-2012
20120257914FUSER MEMBER HAVING COMPOSITE OUTER LAYER - Exemplary embodiments provide composite materials used for fixing members that can include silsesquioxane-based particles and/or carbon nanotubes dispersed in a polymer matrix.10-11-2012
20110044739FUSING DEVICE INCLUDING RESISTIVE HEATING LAYER AND IMAGE FORMING APPARATUS INCLUDING THE FUSING DEVICE - A fusing device includes; a heating member having a resistive heating layer constituting an outermost portion of the heating member, a nip forming member facing the heating member to form a fusing nip therewith, and a plurality of current supplying electrodes which contact an outer circumference of the resistive heating layer to supply electrical current to the resistive heating layer.02-24-2011
20120328342IMAGE HEATING APPARATUS AND RECORDING MATERIAL FEEDING APPARATUS - An image heating apparatus includes a hollow image heating roller having a through hole at one axial end portion side thereof; a bearing fitted around the roller; a heat insulating bush fitted around the roller between the roller and the bearing; a retaining ring for preventing the heat insulating bush from moving relative to the roller; an annular spacer provided between the heat insulating bush and the retaining ring, the annular spacer being provided with an inwardly protruded key portion engageable with the through hole.12-27-2012
20130017005FLOW-COATABLE PFA FUSER TOPCOATSAANM Zhang; QiAACI MiltonAACO CAAAGP Zhang; Qi Milton CAAANM Qi; YuAACI OakvilleAACO CAAAGP Qi; Yu Oakville CAAANM Sisler; GordonAACI St. CatharinesAACO CAAAGP Sisler; Gordon St. Catharines CAAANM Moorlag; CarolynAACI MississaugaAACO CAAAGP Moorlag; Carolyn Mississauga CAAANM Hu; Nan-XingAACI OakvilleAACO CAAAGP Hu; Nan-Xing Oakville CA - Exemplary embodiments herein provide materials and methods for a fusing apparatus including a fuser member comprising a substrate and a topcoat layer, wherein the topcoat layer comprises a flow-coated fluororesin and has a surface energy of about 25 mN/m or less.01-17-2013
20110142508FUSER MEMBER - The present teachings provide a fuser member, including a substrate and a release layer disposed on the substrate. The release layer includes a plurality of carbon nanotubes surrounded by a fluoroelastomeric shell layer and dispersed in a fluoroplastic.06-16-2011
20080232873Fixing device and image forming apparatus including same - An image forming apparatus includes a fixing device to fix a toner image on a recording medium by applying heat. Such a fixing device includes at least a magnetic flux generator, a heat generating roller, a magnetic shunt layer, and a protective layer. The magnetic flux generator is configured to generate magnetic flux. The heat generating roller including a heat generating layer is configured to generate heat by the magnetic flux. The magnetic shunt layer may be formed independently of the heat generating layer. The protective layer is provided on an inner surface of the magnetic shunt layer and configured to cover a crack formed in the magnetic shunt layer during fabrication of the magnetic shunt layer. An image is fixed onto the recording medium by the heat from the heat generating roller. Alternatively, the magnetic shunt layer may be integrally provided with the heat generating layer.09-25-2008
20080226364IMAGE FORMING METHOD - An image forming method comprising the steps of: (i) charging a surface of a photoreceptor; (ii) exposing the charged photoreceptor to form an electrostatic latent image; (iii) developing the electrostatic latent image using a toner comprising at least a release agent to form a toner image; (iv) transferring the toner image on the photoreceptor to a transfer material; and (v) fixing the toner image transferred on the transfer material employing a contact-heating fixing devise comprising a pair of belts, wherein the releasing agent comprises a first release agent component containing a monoester compound represented by Formula (1) and a second release agent component containing a hydrocarbon having a branched chain structure, wherein a content of the first release agent is 40 to 98% by mass, based on a total mass of the first release agent component and the second release agent component:09-18-2008
20080219730Fixing device and image forming apparatus - A fixing device includes a flexible endless fixing member that travels in a prescribed direction and applies heat and melts a toner image, a pressure applying member that pressure contacts the fixing member and forms a nip for conveying a recording medium, and a resistance heat element secured inside an inner circumferential surface of the fixing member, which applies heat to the fixing member. The resistance heat element is arranged not to pressure contact the inner circumferential surface of the fixing member.09-11-2008
20130142553FIXING DEVICE HAVING PRESSING UNIT WITH CARBON NANO TUBE HEATING LAYER - An image forming apparatus includes a fixing device that includes a heating unit which comprises a first heat source to heat an unfixed image on a print medium, and a pressing unit which forms a fixing nip by contacting the heating unit, where the pressing unit comprises a carbon nanotube heating layer as a second heat source to heat the unfixed image.06-06-2013
20120282003FUSER MEMBER - The present teachings provide a fuser system member including a substrate and a topcoat layer disposed over the substrate. The topcoat layer comprises a fluoroelastomer cross-linked with amino silane wherein the topcoat is substantially free of copper oxide. A mercapto-functionalized oil is disposed on the topcoat layer.11-08-2012
20120020709IMAGE HEATING DEVICE AND PRESSING ROLLER FOR USE WITH THE IMAGE HEATING DEVICE - An image heating device for heating a toner image while nip-conveying a recording material, in a nip, on which the toner image is carried, includes a heating member; and a pressing roller, including an elastic layer, for forming the nip in contact with the heating member. The elastic layer of the pressing roller includes a thermosetting silicon rubber containing a thermal conductive filler. The thermosetting silicon rubber includes pore portions formed with resin microballoons and a pore connecting portion for connecting the pore portions. The elastic layer has a thermal conductivity of 0.15 W/mK to 0.5 W/mK.01-26-2012
20120027480IMAGE HEATING MEMBER, AND IMAGE HEATING APPARATUS HAVING IMAGE HEATING STATION - A rotatable image heating member for pressing against a pressure to form a nip for heating an image on a recording material; a heat generation layer for generating heat by electric power supply thereto, the heat generation layer being disposed at a position inside an end of the nip with respect to a rotational axis direction of the image heating member; an electric energy supply layer for electric energy supplying to the heat generation layer, the electric energy supply layer being provided at an end of the heat generation layer and electrically connected with the heat generation layer; an elastic layer provided outside the heat generation layer at a position inside an end of the nip with respect to the rotational axis direction; a surface layer provided outside the elastic layer and extending to an outside of the end of the nip so as to cover a part of the electric energy supply layer.02-02-2012
20120093551Fixing roller, and fixing device and image forming apparatus incorporating same - A fixing roller includes a fixing sleeve including a heat generating layer; and a support roll inserted into the fixing sleeve to support the fixing sleeve and including a foam layer constituting an outer circumferential surface of the support roll. The foam layer includes recesses exposing pores containing air; and non-recessed portions contiguous to the recesses and adhered to an inner circumferential surface of the fixing sleeve.04-19-2012
20130209148FIXING-UNIT ROLLER, FIXING UNIT, AND IMAGE FORMING APPARATUS - A fixing-unit roller includes: a core bar; and an elastic layer formed on an outer peripheral surface of the core bar. The elastic layer is formed from a porous material that contains a plurality of cells. Cells in a cross section obtained by cutting across the porous material are 0.1 μm or greater and 50 μm or less in size. A ratio of an area occupied by composite cells, which are made of partially-overlapping spherical cells, in a 200-μm square in the cross section to an area of the square is 60% or greater and 70% or less.08-15-2013
20130209149Fixing Roller and Method of Manufacturing the Same - A fixing roller that may include: a rotary shaft; an elastic layer that is provided at the circumference of the rotary shaft, and a surface layer that covers the circumference of the elastic layer and includes creases, wherein the creases are provided at both axial end portions of the surface layer, and a portion of the surface layer between the axial end portions thereof is smoother than the axial end portions.08-15-2013

Patent applications in class Composition or layers