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| Number | Title | Issue Date |
| 7890043 | Pressure-controlled steam oven for asymptotic temperature control of continuous feed media A non-atmospheric pressure vapor oven system that utilizes a controllable pressure zone to facilitate fast phase change heat transfer at any desired temperature to heat or cool flat substrates, and to level temperatures across different locations of the substrates. ... | 02/15/2011 |
| 7801475 | Ultra-heated/slightly heated steam zones for optimal control of water content in steam fuser A dual-zone steam fuser for a xerographic system includes a ultra-heated first zone maintained at 200-500° C. that quickly heats a paper substrate to an optimal toner fusing temperature (e.g., 120-150° C.), and a second, relatively cool second zone for maintaining... | 09/21/2010 |
| 7720424 | Image forming apparatus and fixing device therefor In order to efficiently utilize the energy of the flux leaked from the vicinities of the edges of a fixing roller having a part to be heated, which is made of magnetic material that has Curie point, the energy of the leaked flux is stored to be utilized as need aris... | 05/18/2010 |
| 7447475 | Fixing device and image forming apparatus A fixing device configured to fix a toner image onto a recording medium includes a coil for generating a magnetic flux and a heat generation member for generating heat by the magnetic flux; the heat generation member includes a hollow cylinder shape, the coil has a ... | 11/04/2008 |
| 7427727 | Fixing apparatus and an image formation apparatus A fixing apparatus and an image formation apparatus are disclosed. The fixing apparatus includes two or more heaters with temperature detecting function that generate heat with electric current and detect temperature; a heating unit that includes the heater with the... | 09/23/2008 |
| 7344816 | Image forming method A method for forming an image contains steps of: transferring a toner having a volume average particle diameter of 5 μm or less to a recording medium as a toner image having a monochromatic maximum toner mass per area of 0.35 mg/cm2 or less; and fixing t... | 03/18/2008 |
| 7336405 | Thermal fixing device for controlling the temperature of a heat member to melt toner on a recording sheet A thermal fixing device for fixing toner images onto recording sheets includes a heat member, a pressing member, a temperature sensor, a clock, and a control unit. The control unit performs a toner fixing control and a high-temperature heat-up control. During the to... | 02/26/2008 |
| 7319840 | Induction heating fixing device and image forming apparatus An induction heating fixing device includes: a heating member for heating a recording medium while rotating along a paper passing direction, and an induction heating unit for heating the heating member, wherein: the heating unit has a plurality of induction coils ar... | 01/15/2008 |
| 7312420 | Switching device and system A heating assembly for a printing device includes a heating device configured to be energized or deenergized. A switching device includes a bimetallic element efficiently thermally coupled to the heating device and configured to deenergize the heating device in a de... | 12/25/2007 |
| 7305198 | Printing system A printing system includes a plurality of marking engines for applying images to print media. An output destination is configured for receiving imaged print media from the plurality of marking engines. A print media transport system conveys print media between the m... | 12/04/2007 |
| 7304273 | Heating device and fixing device A CPU detects a temperature of a central part of a heating roller. If the detected temperature does not exceed 180° C., the CPU drives a central coil or a side-end coil for 0.4 second in accordance with a temperature difference between the central part of the heati... | 12/04/2007 |
| 7279663 | Fixing device using induction heating and method for producing same A fixing device includes a heating roller which is made of a magnetic metal, a coil which is made of a plurality of twisted wires, an exciting circuit which applies a high-frequency current to the coil, and a core which is made of a heat resistant resin and is arran... | 10/09/2007 |
| 7254352 | Temperature control method for use in a fusing device of an image forming apparatus having a fusing roller and a heater heating the fusing roller and image forming apparatus using the same A temperature control method for use in a fusing device of image forming apparatus having a fusing roller and a heater heating the fusing roller, including: sensing a surface temperature T of the fusing roller at one of when the image forming apparatus is turned on,... | 08/07/2007 |
| 7242895 | Image heating apparatus having a flexible sleeve An object of the present invention is to provide an image heating apparatus having a flexible sleeve of an excellent durability. To this end, an image heating apparatus according to the present invention includes: a flexible sleeve; a driving roller contacting an ex... | 07/10/2007 |
| 7203437 | Fixing apparatus and image forming apparatus If the temperature T1 of the middle part of a heat roller 2 is higher than the temperature T2 of the end parts of the heat roller 2 [T1≧(T2−X)], the operating time B of side coils 5 and 6 is set longer than... | 04/10/2007 |
| 7193180 | Resistive heater comprising first and second resistive traces, a fuser subassembly including such a resistive heater and a universal heating apparatus including first and second resistive traces A resistive heater adapted for heating a fuser belt is provided. The heater comprises a substrate, a first resistive trace formed over the substrate, and a second resistive trace formed so as to at least partially overlap the first resistive trace. ... | 03/20/2007 |
| 7177579 | Image heating apparatus An image heating apparatus has a flexible rotatable member, a slidable member contacting an internal surface of the flexible rotatable member, a holder for holding the slidable member, and a pressure roller for applying a pressure to the flexible rotatable member th... | 02/13/2007 |
| 7164869 | Print delay based on media type A laser printer (10) having a fuser (220) to fix toner on sheets (214) in which the fuser element (225) heated by the power supply (121) of the printer is not capable of drawing enough power from the power supply to cause flicker. ... | 01/16/2007 |
| 7161123 | Induction heat fixing device An induction heat fixing device has coil portions with electric wires wound around the outer surface of a cylindrical main bobbin, grooves and flanges formed at both ends of the main bobbin. Further, plural ribs are formed in the main bobbin. The main bobbin is put ... | 01/09/2007 |
| 7162194 | Image heating apparatus The present invention provides an image heating apparatus including: a conveying roller for conveying the recording material; a heat supply member which supplies heat to the conveying roller, the heat supply member... | 01/09/2007 |
| 7162168 | Fixing apparatus A fixing apparatus includes a magnetic flux generator that generates a magnetic flux. A heater is disposed in the magnetic flux and generates heat by electromagnetic induction to heat a toner image on a medium. A cylindrical selector selects a dimension of the heate... | 01/09/2007 |
| 7150954 | Image forming method and toner for use in the method An image forming method, comprising passing a toner image-bearing sheet through a nip defined between two rollers including a heater roller to fix the toner image on the sheet, wherein the toner image is formed from a toner comprising a binder resin, and a colorant,... | 12/19/2006 |
| 7146127 | Fixing mechanism for use in image forming apparatus In a fixing mechanism which heats a fixation member by generating heat in an endless member by using an induction current obtained from a current flowing through an induction coil, the present invention is characterized in that the induction coil is divided into a p... | 12/05/2006 |
| 7142793 | Xerographic fusing apparatus with a temperature-sensitive positioning mechanism for a heating element An apparatus for fusing print sheets, such as in xerographic printing, comprises a heating element, and a temperature-sensitive mounting for the heating element. The mounting changes a position of the heating element over the course of use of the apparatus, thereby ... | 11/28/2006 |
| 7129013 | Toner and developer for developing latent electrostatic images, and image forming apparatus A toner for developing latent electrostatic images is in the form of particles prepared by dissolving or dispersing each component of a composition in an organic solvent to form a solution or dispersion, the composition containing at least a resin reactive with a co... | 10/31/2006 |
| 7130553 | Heating apparatus with conveyance interval controller and control of electric power in conformity with detected temperature An image forming apparatus having a fixing apparatus for nipping a recording material bearing an unfixed toner image on the surface thereof by a nip portion between a fixing member and a pressure member and fixing the unfixed toner image on the surface of the record... | 10/31/2006 |
| 7111916 | System and method of fluid level regulating for a media coating system An apparatus for the management of the fluid level in a media coating system. In one embodiment, the apparatus has a supply item for the storage of a media coating fluid and an applicator having a trough for receiving the media coating fluid from the supply item. Th... | 09/26/2006 |
| 7110690 | Image forming apparatus and method of controlling a heating unit An image forming apparatus according to an embodiment of the present invention can suppress overshoot by shifting the OFF timing of the central heater lamp from that of the end heater lamp or the recovering timing of the central heater lamp from that of the end heat... | 09/19/2006 |
| 7109449 | Heating apparatus capable of controlling magnetic field strength based on temperature distribution data of rotational member in terms of circumferential direction A heating apparatus includes a magnetic field generator that generates an alternating magnetic field, a rotatable member disposed in the alternating magnetic field and capable of generating heat by electromagnetic induction, a temperature detector that detects a tem... | 09/19/2006 |
| 7106999 | Fixing device A fixing device in an image forming device that includes a rotating heating roller, a coil provided on the outside of the heating roller, a heating mechanism using the coil to heat the heating roller through electromagnetic induction, and a pressure roller that cont... | 09/12/2006 |
| 7106987 | Fixing device and image forming apparatus A fixing device has a magnetic field generator; an electric power supplier for electric power supply to the magnetic field generator; electric power controller for controlling an electric power value to be supplied by the electric power supplier; a fixing member, di... | 09/12/2006 |
| 7107001 | Fixing apparatus with controlled heating members for heating the outer surface of the fixing rotating member The present invention provides an external heating member abutment controller which can instantaneously adjust the quantity of heat provided by external heating members to the surface of a fixing member, to provide a fixing apparatus which can drastically increase p... | 09/12/2006 |
| 7092664 | Digital printing or copying machine A digital printing or copying machine (1) is proposed for the one-sided or double-sided printing onto a substrate (5), using at least one toner. The machine (1) includes at least one fixation device (3) for fixing the toner image on the s... | 08/15/2006 |
| 7076196 | Fixing device and image forming apparatus including a tubular coil winding A fixing device includes a heating roller, electromagnetic induction heater for heating the heating roller, and a pressurization roller disposed in contact with the outer periphery of the heating roller. The electromagnetic induction heater has a support extending l... | 07/11/2006 |
| 7050748 | Fixing apparatus and image forming apparatus having the same A fixing apparatus including a pair of rotary members forming a nip for pinching and conveying a recording material, and a rotatable heat supplying member in contact with at least either of the rotary members and supplying the rotary member with heat. An image formi... | 05/23/2006 |
| 7050749 | Device for fixing toner images on a recording medium in an electrographic printer or copier In a device for fixing toner images on a recording medium in a printer or copier, fixing takes place with aid of a heat radiation source comprising ignition elements arranged in a heating module. Since the ignition elements are small, radiation areas of differing ge... | 05/23/2006 |
| 7043186 | Fixing station and method for the uniform fixing of toner images on a carrier material with the aid of a movable covering device A fixing station and a method for fixing toner images on a carrier material. The fixing station has an arrangement for moving a carrier material in a first direction and in a second direction opposite the first direction, a heat radiation source, which heats the car... | 05/09/2006 |
| 7043185 | Fixing apparatus and image forming apparatus for fixing a toner image on a recording medium An image forming apparatus includes a first heater that heats a heating member, a second heater that heats a support member, and a third heater that heats a facing member. The image forming apparatus further includes a fixing belt wound around between the heating me... | 05/09/2006 |
| 7039336 | Fixing device and image forming apparatus A fixing device has a magnetic field generator; an electric power supplier for electric power supply to the magnetic field generator; electric power controller for controlling an electric power value to be supplied by the electric power supplier; a fixing member, di... | 05/02/2006 |
| 7031626 | Fixing roller system and method The invention relates to the use of roller fusing in printing. In particular, the invention relates to the use of heated rollers. According to one aspect of the invention, a fixing process and system for use with a printing apparatus is provided wherein a flow of he... | 04/18/2006 |
