Class / Patent application number | Description | Number of patent applications / Date published |
399307000 | Having simultaneous fixing | 24 |
20080199229 | Transfer-fixing device, image forming apparatus, and transfer-fixing method - A transfer-fixing device includes a transfer-fixing member, a pressing member, a heating device, and a temperature equalizer. The transfer-fixing member carries the toner image. The pressing member presses against the transfer-fixing member to form a nip portion to which the recording medium is conveyed. The heating device heats the transfer-fixing surface of the recording medium conveyed toward the nip portion. The temperature equalizer equalizes a temperature distribution of a surface of the transfer-fixing member in a width direction of the transfer-fixing member after the surface of the transfer-fixing member passes through the nip portion. | 08-21-2008 |
20080219716 | FIXING APPARATUS WITH A PRESSING MEMBER AND TRANSFER FIXING MEMBER - For an image forming apparatus, a transfer fixing apparatus and a transfer fixing method fix a toner image onto a record medium. The fixing apparatus and the image forming apparatus have a structure to reduce adverse heat influences impacting on an intermediate transfer member, and can further reduce vibrations generated to the intermediate transfer member and to a recording medium onto which a visualized image is transferred from the intermediate transfer member. Further, a heating value and a heat distribution in the fixing apparatus can be controlled to be optimized. | 09-11-2008 |
20080219717 | TRANSFER-FIXING DEVICE, IMAGE FORMING APPARATUS, AND TRANSFER-FIXING METHOD - The transfer-fixing device includes an image carrier, a pressing member, a heater, and an electrical field generator. The image carrier carries a toner image. The pressing member presses against the image carrier to form a transfer-fixing nip between the pressing member and the image carrier. The heater heats the toner image carried by the image carrier so that a temperature of the toner image is not higher than Tm +10 degrees centigrade when a toner softening point is Tm degrees centigrade. The electrical field generator forms a transfer electrical field at the transfer-fixing nip. | 09-11-2008 |
20080219718 | Transfer-fixing device, image forming apparatus including the transfer-fixing device, and transfer-fixing method - A transfer-fixing device transfers and fixes a toner image onto a transfer-fixing surface of a recording medium, and includes a transfer-fixing member, a pressing member, a heating member, and a temperature equalization member. The transfer-fixing member carries the toner image. The pressing member pressingly contacts the transfer-fixing member to form a nip between the pressing member and the transfer-fixing member through which the recording medium passes. The heating member heats the transfer-fixing surface of the recording medium conveyed toward the nip so that the recording medium reaches the nip before a temperature of a back surface opposite the transfer-fixing surface of the recording medium increases. The temperature equalization member equalizes temperature distribution on a surface of the transfer-fixing member in a width direction of the transfer-fixing member perpendicular to a conveyance direction of the recording medium, after the surface of the transfer-fixing member passes the nip. | 09-11-2008 |
20080253812 | Mechanism for transfix member with idle movement - A printer includes an idler movement mechanism that rotates a transfix member at a speed corresponding to a rotational speed for a rotating image member before moving the transfix member into engagement with the rotating image member to form a nip. The printer includes a rotating image member for receiving colorant from a print head to form an image on the rotating image member, a motor having rotational output that is coupled to the rotating image member for rotating the rotating image member at a first surface speed, a transfix member for forming a nip with the intermediate print member to transfer the image from the intermediate print member to media in the nip, the transfix member being moveable from a first position, in which the transfix member does not form a nip with the intermediate print member, to a second position, in which the transfix member forms the nip with the intermediate print member, and a rotational transfer link for coupling the transfix member in the first position to the rotation of the rotating image member so the transfix member rotates at a second surface speed that corresponds with the first surface speed as the transfix member is moved to the second position to form the nip with the rotating image member rotating at the first surface speed. | 10-16-2008 |
20080267674 | INTERMEDIATE TRANSFER DEVICE AND IMAGE FORMING APPARATUS USING SAME - An intermediate transfer device includes a secondary intermediate transfer member configured to transfer a toner image from an image bearing member via a primary intermediate transfer member, for transfer of the toner image onto a recording medium, a heating unit configured to heat the toner image on the secondary intermediate transfer member, and a deformation unit configured to deform the toner image on the secondary intermediate transfer member by application of pressure. A heating region in which the heating unit heats the toner image has a larger area than a deformation region in which the deformation unit deforms the toner image. The deformation region is provided on a downstream side from the heating region relative to a direction of movement of the secondary intermediate transfer member. | 10-30-2008 |
20080304879 | Image forming apparatus and method of controlling same - An image forming apparatus includes a plurality of first image carriers on which different color toner images C are respectively formed, a transfer fixing member onto which a multicolor toner image A consisting of the toner images C is transferred, a heater located configured to fuse the toner image A on the transfer fixing member, a pressurizer pressing against the transfer fixing member, an image carrier located upstream of the transfer fixing member in a direction in which the recording medium is transported, on which a toner image B is formed, and a transferer facing the image carrier. The toner image A is transferred from the transfer fixing member and fixed on a recording medium in a nip formed between the transfer fixing member and the pressurizer. The toner image B is transferred from image carrier onto the recording medium before the toner image A is transferred thereonto and fixed thereon. | 12-11-2008 |
20090016786 | TRANSFER FIXING MEMBER, TRANSFER FIXING DEVICE AND IMAGE FORMING APPARATUS - A transfer fixing member containing a base, and an outermost surface layer composed of an elastic material in which a conductive material is dispersed, wherein when a pressure applied to a surface of the transfer fixing member by making a toner image bearing member in contact with the transfer fixing member upon transferring of a toner image on the toner image bearing member onto the transfer fixing member is 0.2 kg/cm | 01-15-2009 |
20090041513 | INTERMEDIATE TRANSFER DEVICE AND IMAGE FORMING APPARATUS - An intermediate transfer device including an intermediate transfer member, an intermediate transfer part configured to transfer a toner image from an image bearing member onto the intermediate transfer member, a heating member configured to heat the intermediate transfer member to apply heat to the toner image thereon, a deformation member configured to apply pressure to the heated toner image on the intermediate transfer member, and a recording transfer part configured to transfer the compressed toner image from the intermediate transfer member onto a recording medium. | 02-12-2009 |
20090116880 | Image transfer fixation apparatus and image formation apparatus - A transfer fixation apparatus includes: a fixing member that carries the toner image; a pressurizing member that becomes in contact with the fixing member with pressure to form a nip through which the recording target medium is transported; and a plurality of heating members that are provided at relatively upstream positions when viewed from the relatively downstream nip and apply heat to the surface of the recording target medium that is transported toward the nip, wherein the number of heating members that apply heat to the surface of the recording target medium is changed depending on whether the transfer of the toner image is performed only on the front side of the recording target medium or the transfer of the toner image is performed also on the reverse side of the recording target medium after the transfer of the toner image on the front side of the recording target medium. | 05-07-2009 |
20090257792 | IMAGE FORMATION METHOD AND IMAGE FORMING APPARATUS - An image formation method including developing a latent image on an image bearing member with a toner containing a coloring agent and a first binder resin; transferring the toner to a recording medium; transferring a fixing helping particle containing a second binder resin to the recording medium; and fixing the toner and the fixing helping particle on the recording medium, wherein the toner and the fixing helping particle satisfy the following relationships: | 10-15-2009 |
20100014897 | Transfer and fixing device and image forming apparatus - A transfer and fixing device as means for heating a recording medium prior to transfer and fixing, without risk of fire, superior in energy efficiency, and able to stably heat irrespective of the thickness of the recording medium; and an imaging forming apparatus comprising such a transfer and fixing device comprising: a transfer and fixing member by which an image is transferred; a pressurizing member that forms a nip by pressure contact with the transfer and fixing member and pressurizes and fixes the image on the recording medium that passes through the aforementioned nip; a radiant heat source that is arranged on the upstream side of the nip in the direction of transport of the recording medium; and a thermoconductive member that is heated by the radiant heat source and heats the recording medium when in contact, wherein a radiant heat region is provided, between the nip and the thermoconductive member, where the recording medium is heated by radiant heat from the radiant heat source. | 01-21-2010 |
20100232844 | Transfer fixing device and image forming apparatus incorporating same - A transfer fixing device includes a transfer fixing member, a pressure member, and a primary heater. The transfer fixing member defines a moving surface on which a toner image travels. The pressure member is pressed against the transfer fixing member to define a transfer fixing nip where the toner image traveling along the moving surface meets a surface of a recording medium traveling along the media conveyance path. The primary heater is located upstream of the transfer fixing nip along the media conveyance path to heat the surface of the recording medium before entering the transfer fixing nip. The heated surface of the recording medium fuses toner for transfer and fixing into place at the transfer fixing nip. The pressure member is at least partially electrically biased to generate an electrostatic field to promote transfer of toner at the transfer fixing nip. | 09-16-2010 |
20100266316 | TRANSFERRING AND FIXING DEVICE FOR PERFORMING FIXATION SIMULTANEOUSLY WITH TRANSFER - A transferring and fixing device includes an image carrier member to hold an unfixed toner image, a heat member to heat the unfixed toner image on the image carrier member, a pressure member which comes in press contact with the image carrier member, nips a recording medium with the image carrier member, and presses and conveys the recording medium, and a vibrating member to transmit vibrations to the recording medium passing through between the image carrier member and the pressure member. | 10-21-2010 |
20110200367 | IMAGE FORMING APPARATUS - According to one embodiment, a developing unit forms a visible image on the image carrying member by supplying a developer to the image carrying member. A first transferring unit transfers the visible image on the image carrying member to the primary transferring member. A secondary transferring member is in contact with the primary transferring member. A second transferring unit transfers the visible image transferred to the primary transferring member to the secondary transferring member by applying a pressure from 10 to 100 gf/cm | 08-18-2011 |
20120008996 | COLD PRESSURE TRANSFIX IN A SIMPLIFIED PRINTER - A system to combine the transfer and fixing xerographic steps of a xerographic printer into one, as well as to eliminate the need for an electrical field for transfer. The image is transfixed directly from a photoconductor to the paper or other suitable substrate. Appropriate pressure is applied during this step to cold-pressure fix the toner on the paper, taking into account the type of substrate and type of toner. The cold pressure transfix can be done either directly from a photoreceptor, without an intermediate transfer belt (ITB), eliminating all electrostatic transfer subsystems and a fusing operation. Alternatively, for engines with an intermediate transfer belt (ITB), the cold pressure transfix could replace a needed second transfer and fuser system. | 01-12-2012 |
20120045258 | Preheating of Marking Material-Substrate Interface for Printing and the Like - Substrate (or marking material) pre-heating is employed to facilitate fusing of the marking material with the substrate and with adjacent marking material. By heating primarily the material which becomes the interface between substrate and marking material, and by minimizing the distance between the point of heat application to the substrate (or marking material) and the marking nip in a print system, the amount of time for heat energy to dissipate prior to the application of the marking material to the substrate surface is minimized, meaning that the total amount of energy required to drive the heat source can be reduced. Addressable heating may be employed to further reduce energy consumption. Furthermore, optical heating may be used to provide rapid, on-demand heating, thereby reducing warm-up time as well as reducing unutilized heat energy. | 02-23-2012 |
20120251195 | Image Forming Apparatus - An image forming apparatus includes a photoconductor member, and a transfer roller disposed to face the photoconductor member and allow the developer image to be transferred to a transfer-receiving member. A fixing device disposed downstream from the photoconductor member in a conveying direction and configured to fix the image formed on the transfer-receiving member, and a conveying path forming member disposed between the photoconductor member and the fixing device, and that forms a conveying path from the photoconductor member to the fixing device. The conveying path forming member includes first and second members which respectively extend from/to the photoconductor member to/from the fixing device. The second member crosses a second line which perpendicularly crosses a first line, which connects axes of the photoconductor member and the transfer roller, and passes through a contact area in which the photoconductor member and the transfer roller are configured to contact each other. | 10-04-2012 |
20130078013 | Layer Transfusion with Part Heating for Additive Manufacturing - An additive manufacturing system comprising a transfer medium configured to receive the layers from a imaging engine, a heater configured to heat the layers on the transfer medium, and a layer transfusion assembly that includes a build platform, and is configured to transfuse the heated layers onto the build platform in a layer-by-layer manner to print a three-dimensional part. | 03-28-2013 |
20130251416 | IMAGE RECORDING METHOD - An image recording method includes recording an intermediate image by applying an ink to an intermediate transfer body, and transferring the intermediate image onto a recording medium while heating the intermediate image. The ink contains a coloring material and polymer fine particles which have an interpenetrating polymer network structure constituted by a crystalline polymer and an amorphous polymer. In transferring the intermediate image, the intermediate image is heated to a temperature equal to or higher than a melting point of the crystalline polymer and equal to or higher than a glass transition point of the amorphous polymer. | 09-26-2013 |
20130308989 | IMAGE RECORDING APPARATUS - An image recording apparatus includes a toner transporting member that transports a toner layer while carrying the toner layer on a first surface of the toner transporting member, the toner transporting member including the first surface and a second surface; a heating unit including heating elements that contact the second surface that is opposite to the first surface of the toner transporting member, and that generate heat in accordance with image information, the first surface contacting a recording medium and carrying the toner layer; and a transferring unit that selectively transfers toner at an image portion to the recording medium as a result of causing each heating element of the heating unit to generate the heat with a temperature of the heating elements at the image portion and a temperature of the heating elements at a non-image portion being different from each other. | 11-21-2013 |
20140205329 | IMAGE FORMING APPARATUS - A heating roller heats an inner surface of a toner integrating belt to heat a toner image carried on an intermediate transfer belt to a toner softening temperature or more to form a toner film. A cooler cools down the inner surface of the toner integrating belt to cool down the toner film under pressure. | 07-24-2014 |
20140205330 | IMAGE FORMING APPARATUS - An image forming apparatus is configured to form a toner image by a toner image forming portion on an intermediate transfer belt, to transfer the toner image to a transfer and fixing belt, and to form a toner film by heating and pressurizing the toner image on the transfer and fixing belt. The transfer and fixing belt includes an elastic layer and when the toner film is pressurized to a recording medium in a body at a toner film transfer portion, the toner film is pressed to the recording medium while following surficial ruggedness of the recording medium. Because the toner image is formed by using toner particles containing a thermoplastic elastomer having crystallinity, the toner film formed of this toner image is fully resilient. | 07-24-2014 |
20190146375 | ELECTROPHOTOGRAPHIC PRINTERS | 05-16-2019 |