Patent application number | Description | Published |
20120003346 | SHEET SURFACE TREATING APPARATUS - A sheet surface treating apparatus includes a heater including a substrate and a heat generating element provided on the substrate; a transfer film which is movable while contacting the heater; a pressing member cooperating with the heater to form a nip for feeding a sheet carrying thermoplastic resin material, through the transfer film; wherein the sheet is fed by the nip together with the transfer film in a state that the thermoplastic resin material is in contact with the transfer film, and is heated by the heater in the nip so that a configuration of a surface of the transfer film is transferred to the thermoplastic resin material, and then is separated from the transfer film; wherein a downstream end of the heat generating element with respect to a sheet feeding direction is disposed at a position upstream of an end of the nip with respect to the sheet feeding direction, and a distance between the downstream end of the nip and the downstream end of the heat generating element is not less than 0.4 mm and not more than 2.5 mm. | 01-05-2012 |
20120060707 | HOLOGRAM FORMING APPARATUS AND HOLOGRAM FORMING METHOD - The present invention provides a hologram forming apparatus, including: an embossed hologram sheet; a roller which forms a nip portion between the embossed hologram sheet and the roller, wherein a recording medium bearing a toner image is conveyed to the nip portion so that the toner image is brought into contact with the embossed hologram sheet, and the recording medium and the embossed hologram sheet are heated while being nipped and conveyed in the nip portion; a cooling portion for cooling the recording medium that has passed through the nip portion and is in a contact state with the embossed hologram sheet; and a separating portion for separating the recording medium from the embossed hologram sheet, the recording medium having passed through the cooling portion and bearing the toner image on which an embossed shape of the embossed hologram sheet is transferred. | 03-15-2012 |
20120155939 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image forming unit for forming a toner image on a recording material; a fixing portion for fixing the toner image; a glossiness treatment unit, operable when a glossiness treatment mode is selected, for glossiness treatment of the toner image fixed on the recording material by heating the toner image, the glossiness treatment unit including a film movable in a feeding direction of the recording material, a heating member contacted to the film, a pressing member cooperating with the heating member to form a nip, with the film therebetween, for nipping and feeding the recording material; wherein in the glossiness treatment mode, the image forming unit forms, as a topmost layer, a toner image having a tone gradation provided by a dot growth type screening. | 06-21-2012 |
20120155940 | GLOSSINESS PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A glossiness processing apparatus for glossiness treatment includes a first glossiness treatment unit; a second glossiness treatment unit provided downstream of the first glossiness treatment unit with respect to a feeding direction of a sheet; wherein each of the units including a film movable having a surface in contact with an image surface of the sheet while moving; a heating member contacted to another surface of the film, the heating member including a plurality of heat generating elements arranged along a direction substantially perpendicular to a moving direction of the film; a pressing member cooperating with the heating member to form a nip, with the film therebetween, for nipping and feeding the sheet; wherein positions of the heat generating elements are offset relative to positions of the heat generating elements of the first glossiness treatment unit. | 06-21-2012 |
20120156604 | ELECTROPHOTOGRAPHIC CLEAR TONER AND IMAGE FORMING METHOD - Provide is a clear toner having a wide fixing temperature latitude so as to improve the degree of glossiness in a wide range of image density areas, from a white portion to a high image density portion, while ensuring sufficient fixing performance and color mixing in color portions. The clear toner has a storage elastic modulus G′ (130) of 1.0×10 | 06-21-2012 |
20150132028 | IMAGE FORMING APPARATUS - In an image forming apparatus having a photosensitive drum capable of carrying a toner image, a developing roller that is provided to be capable of rotating while carrying toner, and that supplies the toner to the photosensitive drum by contacting the photosensitive drum, a regulating blade that regulates a layer thickness of the toner carried on the developing roller, and voltage applying device for applying a voltage to the developing roller and the regulating blade, the developing roller includes a conductive base layer and a surface layer covering the base layer, and a surface charge density of the developing roller is equal to or smaller than a surface charge density of the toner. | 05-14-2015 |
20150132030 | IMAGE FORMING APPARATUS - In an image forming apparatus having a photosensitive drum that carries a toner image, a developing roller that is provided to be capable of rotating while carrying toner, and that supplies the toner to the photosensitive drum in order to develop a latent image, and voltage applying device for applying a voltage to the developing roller, the developing roller includes a conductive base layer and a surface layer covering the base layer, and a surface charge density of the developing roller is equal to or smaller than a surface charge density of the toner. | 05-14-2015 |
20150132031 | DEVELOPER CARRYING MEMBER, DEVELOPING ASSEMBLY, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A developing roller that is capable of carrying toner on a surface thereof, and that supplies the toner carried on the surface to a surface of a photosensitive drum when a voltage is applied thereto, includes: a rubber layer; and a surface layer that covers the rubber layer, contains alumina, and has a higher volume resistivity than the rubber layer. | 05-14-2015 |