Patent application number | Description | Published |
20100297369 | Thermal Transfer Recording Medium - A thermal transfer recording medium including a support, a release layer and an ink layer, the release layer and the ink layer being disposed in this order over the support, wherein the ink layer contains carnauba wax, an organic fatty acid having an acid value of 90 to 200, and at least one of a long-chain alcohol represented by Formula (1) and a long-chain alcohol represented by Formula (2), | 11-25-2010 |
20120057898 | CARRIER, DEVELOPER, METHOD OF MANUFACTURING CARRIER, DEVELOPER CONTAINER, IMAGE FORMING METHOD, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND SUPPLEMENTAL DEVELOPER - A carrier including a magnetic core particle and a resin layer covering a surface of the magnetic core particle. The magnetic core particle is a ferrite particle including strontium in an amount of 0.005 to 3% by mass, measured by fluorescent X-ray spectroscopy. The resin layer comprises a resin obtained by heating a copolymer comprising a silicon-containing unit A and another silicon-containing specific unit B. | 03-08-2012 |
20120058423 | CONTACT DEVELOPING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - A contact developing method including supplying a two-component developer to an electrostatic latent image on a rotating image bearing member by rotating a developing sleeve and a rotatable magnet having multiple magnetic poles provided inside the developing sleeve, to develop the electrostatic latent image into a toner image. The developing sleeve and the image bearing member rotate in the same direction while facing each other. The two-component developer comprises a non-magnetic toner and a carrier. The carrier comprises a magnetic core particle and a resin layer covering the magnetic core particle. The resin layer comprises a conductive particle and a resin. The conductive particle comprises an alumina-based material and a conductive layer covering the alumina-based material. The resin is obtained by heating a copolymer comprising a monomer A unit and a monomer B unit. | 03-08-2012 |
20120064451 | CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND TWO-COMPONENT DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD USING THE CARRIER - A carrier comprising a magnetic core particle having a shape factor SF-2 of 130 to 160 and a resin layer covering a surface of the magnetic core particle. The resin layer comprises a conductive particle and a resin obtained by heating a copolymer comprising a silicon-containing A unit and another silicon-containing B unit having. | 03-15-2012 |
20130016999 | IMAGE FORMING METHOD AND IMAGE FORMING APPARATUSAANM Tohmatsu; HiroshiAACI ShizuokaAACO JPAAGP Tohmatsu; Hiroshi Shizuoka JPAANM Yaguchi; ShigenoriAACI ShizuokaAACO JPAAGP Yaguchi; Shigenori Shizuoka JPAANM Iwatsuki; HitoshiAACI ShizuokaAACO JPAAGP Iwatsuki; Hitoshi Shizuoka JPAANM Tano; ToyoakiAACI ShizuokaAACO JPAAGP Tano; Toyoaki Shizuoka JPAANM Sakata; KoichiAACI ShizuokaAACO JPAAGP Sakata; Koichi Shizuoka JPAANM Takii; MarikoAACI ShizuokaAACO JPAAGP Takii; Mariko Shizuoka JP - To provide an image forming method, containing: a charging step, a latent electrostatic image forming step, a developing step, a transferring step, and a fixing step, wherein the developing step is developing the latent electrostatic image formed on the latent electrostatic image bearing member with a two-component developer containing a toner and a carrier by a developing element to form a visible image, where the developing contains: stirring the toner and the carrier to prepare the two-component developer to have a flow energy amount of 30 mJ to 70 mJ; and periodically discharging and transporting the stirred two-component to the developer unit by air pressure to thereby supply the two-component developer for the developing. | 01-17-2013 |
20130065171 | LATENT ELECTROSTATIC IMAGE DEVELOPING CARRIER, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A latent electrostatic image developing carrier including: core particles each having magnetism; and a coating layer covering each of the core particles, wherein the latent electrostatic image developing carrier has a shape factor SF-2 of 115 to 150 and has a bulk density of 1.8 g/cm | 03-14-2013 |
20130065175 | CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND DEVELOPER - A carrier for developing electrostatic latent image, including a core material; and a coated layer covering the core material, including a binder resin and a particulate material, wherein the core material is exposed on the surface of the carrier at an areal ratio of from 0.1 to 5.0% and has the largest exposed part having an areal ratio not greater than 0.03%, and wherein the coated layer comprises the particulate material in an amount of from 100 to 500 parts by weight per 100 parts by weight of the binder resin. | 03-14-2013 |
20130101930 | CARRIER FOR ELECTROSTATIC LATENT IMAGE DEVELOPER, ELECTROSTATIC LATENT IMAGE DEVELOPER FORMED OF CARRIER AND TONER, AND PROCESS CARTRIDGE USING THE DEVELOPER - A carrier for developing an electrostatic latent image, including a particulate core material having a magnetism having developed spontaneous magnetization; and a covering layer comprising an electroconductive material, covering the surface of the particulate core material, wherein the carrier has an electrical resistivity Log R [Ωcm] of from 8.0 to 12.0 when measured by a method, including filling the carrier in a cell containing a pair of facing electrodes, each having a surface area of 2×4 [cm | 04-25-2013 |
20130252169 | CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, TOW-COMPONENT DEVELOPER AND IMAGE FORMING METHOD - A carrier for developing electrostatic latent image, including a particulate magnetic core material; and a coated layer covering the surface of the particulate magnetic core material, wherein the coated layer includes a resin including a silicone resin and a methacrylic ester or an acrylic ester resin, and a filler including a substrate; and an electroconductive layer comprising tin dioxide (SnO | 09-26-2013 |
20140023966 | CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND ELECTROSTATIC LATENT IMAGE DEVELOPER - A carrier for developing electrostatic latent images includes a core material; and a covering layer formed of a resin comprising an electroconductive particulate material, overlying the core material, wherein the covering layer includes the electroconductive particulate material in an amount of from 58 to 73% by weight and has a resistivity of from 6.6 to 8.6 Ωcm, and wherein the carrier has a high-brightness contrast part at an areal ratio less than 1% and 40 to 90% based on total area thereof at an acceleration voltage of 0.8 KV and 2.0 KV, respectively in an FE-SEM reflection electron image of the surface thereof. | 01-23-2014 |
20140072910 | CARRIER FOR DEVELOPING AN ELECTROSTATIC LATENT IMAGE, DEVELOPER AND IMAGE FORMING APPARATUS - A carrier for developing an electrostatic latent image of the present invention includes a core material and a coating layer which coats the core material, wherein the coating layer includes a resin and fine particles, wherein the coating layer has an average layer thickness difference of 0.02 μm to 3.0 μm, and wherein the carrier for developing an electrostatic latent image has an arithmetic mean surface roughness Ra1 of 0.5 μm to 0.9 μm. | 03-13-2014 |
20140080052 | CARRIER FOR TWO-COMPONENT DEVELOPER, ELECTROSTATIC LATENT IMAGE DEVELOPER, AND IMAGE FORMING METHOD - A carrier for developing electrostatic latent images produced in an image developer includes a magnetic particulate core material and a covering layer covering the surface of the core material. The image developer includes an image bearer, a developer bearer including comprising a magnetic field generator inside and a developer regulation member facing the surface of the image developer with a predetermined gap. The carrier has a bulk density of from 1.6 to 2.25 g/cm | 03-20-2014 |
20140248557 | CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER USING THE CARRIER, AND IMAGE FORMING METHOD AND PROCESS CARTRIDGE USING THE TWO-COMPONENT DEVELOPER - A carrier is provided. The carrier includes a particulate magnetic core, and a cover layer located on the surface of the particulate magnetic core and including a resin and a filler. When determined from observation of cross-section of the carrier, the shape factor SF2 of the carrier is from 120 to 160, the ratio of the average domain diameter of the particulate magnetic core to the number average particle diameter of the filler is from 1:1 to 1:0.003, and the area ratio of the filler in the cover layer is from 30 to 85%. | 09-04-2014 |
20140348552 | REPLENISHING DEVELOPER HOUSING CONTAINER AND IMAGE FORMING APPARATUS - A replenishing developer housing container according to the present invention includes: a container body housing a replenishing developer; a conveying portion; a pipe receiving port; and an uplifting portion, wherein the replenishing developer contains a toner and a carrier, wherein the container body includes a protruding portion protruding from a container body interior side of the container opening portion toward one end of the container body and a curving portion curving so as to conform to the protruding portion, wherein the uplifting portion includes an uplifting wall surface extending from an internal wall surface of the container body toward the protruding portion, wherein the protruding portion is provided such that when the replenishing developer housing container is mounted on the replenishing developer conveying device, the protruding portion is present between the curving portion and the replenishing developer receiving port of a conveying pipe being inserted. | 11-27-2014 |