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| Number | Title | Issue Date |
| 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 |
| 7348701 | Driving unit and image forming apparatus A driving unit including a motor, a support bracket supporting the motor, at least one stud supporting a gear which is rotated with a driving force of the motor, and a heatproof member disposed between a frame fastening the support bracket and the stud, and an image... | 03/25/2008 |
| 7330200 | Thermal processor employing replaceable sleeve A thermal processor for thermally developing an image in an imaging material. The processor includes an oven, at least one rotatable member positioned within oven, and a sleeve adapted to slideably fit over and selectively couple to at least a portion of the rotatab... | 02/12/2008 |
| 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 |
| 7302220 | Fuser roller and fusing station This invention relates to an improved fuser roller for use in a high speed fusing station where improved heat transfer from the fuser roller to the fused substrates is required. The invention also relates to an improved fuser system using the improved fuser roller o... | 11/27/2007 |
| 7274903 | Integrated fuser unit and drive system for use in an electrophotographic imaging process An integrated fuser unit has a drive system with a motor and a drive train mounted in the fuser unit frame. A swing arm assembly engages and disengages the hot roll from the drive train. ... | 09/25/2007 |
| 7257346 | Fusing roller regenerating apparatus in image forming apparatus and method thereof A fusing roller regenerating apparatus of a fusing device in an image forming apparatus includes a coating unit coating a fusing roller using a dip coating method to form a regenerated coating layer to a predetermined thickness, and a heating unit including a heatin... | 08/14/2007 |
| 7253378 | Heat laminating a cover foil to a base foil A base sheet is spanned over a lower roller, and an upper roller pulls a cover sheet along a path and presses it against the base sheet at the lower roller. A preheater housing along the path upstream of the rollers is formed with a chamber open toward the path. A r... | 08/07/2007 |
| 7251432 | System for collecting an unfixed developer with an airflow The invention provides a fixing unit including a fixing roller and a pressure roller pressed against the fixing roller inside a housing, for holding and conveying a sheet carrying an image formed by a developer between the fixing roller and the pressure roller thus ... | 07/31/2007 |
| 7248826 | Heater roller cleaner, method and apparatus for a fuser assembly The fuser roller and heater rollers of the fusing system can become contaminated with ink and other foreign material when pre-printed materials are run through them. The contamination can create regions of cold spots, which in turn results in poor fusing. Other imag... | 07/24/2007 |
| 7241253 | Fuser roll with improved heating performance A roll cover particularly suitable for a fuser roll has an intermediate layer on the roll body and an outer surface layer including heat transfer bodies therein. The intermediate layer is a graphite sheet having legs extending along the axial extent of the roll body... | 07/10/2007 |
| 7236732 | Toner image fixing apparatus having concentrated area heating An apparatus is provided for fixing a toner image to a substrate including: a fixing member having a central axis and inner and outer surfaces; a heating element disposed within the fixing member for generating energy in the form of heat to heat the fixing member; a... | 06/26/2007 |
| 7215918 | Fuser roller with improved crack resistance This is a fuser roll having a driver slot having a large rounded upper portion to reduce cracking caused by drive load stresses. Around the slot is a reinforcing driver yoke to add additional resistance to cracking. Two reinforcing lugs can be used in place of the d... | 05/08/2007 |
| 7211362 | Fuser member with tunable gloss level and methods and apparatus for using the same to fuse toner images Disclosed are fuser members, apparatus and methods which employ compositions that can be varied to provide a fused toner image with a selected gloss level. In embodiments, the apparatus and methods employ a fusing member having an outer contact surface thereon which... | 05/01/2007 |
| 7162187 | Image forming apparatus and image forming method In an image forming apparatus, a toner image is formed on a photosensitive element and a transfer roller, which carries a transfer medium, is pressed against a photosensitive element at a pressure of from 20.4 N/cm2 to 200 N/cm2. ... | 01/09/2007 |
| 7151903 | Method and apparatus for reducing surface temperature variation of an externally-heated fusing roller Reducing variation in the surface temperature of an externally-heated fusing roller in an electrophotographic machine, the variation typically occurring during the beginning of a fusing run, by detecting the beginning of a fusing run and applying a modified fusing t... | 12/19/2006 |
| 7128802 | Manufacturing method of compressible printing layer and manufacturing method of blanket for printing The present invention provides a manufacturing method of a compressible printing layer, comprising a vulcanizing step comprising a first heating process in which one surface of a compressible printing layer including an unvulcanized compressible layer containing mic... | 10/31/2006 |
| 7113722 | Fusing apparatus for an image photographing apparatus and method thereof A fusing apparatus and method for an image forming apparatus comprise a housing, a first roller mounted in the housing, a second roller rotated in contact with the first roller, a heater movably mounted in at least one of the first and the second rollers and compris... | 09/26/2006 |
| 7107681 | Heating roller, method of producing the heating roller, and heating device, fixing device and image forming apparatus using the heating roller A heating roller including a core of hollow cylinder form and wherein a thickness of the core is thicker in a center portion thereof than in both end portions thereof. Further, a heating device may have the heating roller, a fixing device may have the heating roller... | 09/19/2006 |
| 7087305 | Fuser member with tunable gloss level and methods and apparatus for using the same to fuse toner images Disclosed are fuser members, apparatus and methods which employ compositions that can be varied to provide a fused toner image with a selected gloss level. In embodiments, the apparatus and methods employ a fusing member having an outer contact surface thereon which... | 08/08/2006 |
| 7048970 | Method of curing a fuser member overcoat at low temperatures A method of making a fuser member having a support comprising the steps of: A) providing a support; B) coating from an organic solvent onto the support a coating composition comprising a fluorocarbon thermoplastic ... | 05/23/2006 |
| 7016637 | Thermal fixing device and image forming apparatus A thermal fixing device includes: a heating member configured to be in contact with a fixation medium; a first pressing member disposed to face the heating member and applies a force directed toward both sides of the fixation medium in a direction orthogonal to a co... | 03/21/2006 |
| 7003246 | Fuser nip release mechanism A nip release mechanism for a fuser of a printing device includes a movable component in the printer base frame moved by opening and closing a cover, and a follower component in the fuser which follows movement of the movable component to adjust positions of a fuser... | 02/21/2006 |
| 7003254 | Fixing apparatus and image forming apparatus including the same An electromagnetic valve mounting portion is formed by upwardly cutting a bottom surface of a frame and bending the upwardly cut portion like a L-shape in such a manner as to have a top surface part extending in substantially parallel with the bottom surface thereof... | 02/21/2006 |
| 6979802 | Apparatus and method for thermally processing an imaging material employing a preheat chamber A preheat chamber for conditioning an imaging material having a conditioning threshold temperature and a developing threshold temperature. The preheat chamber includes a chamber housing and a heating system. The heating system is configured to heat imaging material ... | 12/27/2005 |
| 6969252 | Heating device having resin layer over core metal of heating roller A heating device is used in an image forming apparatus. In the heating device, a resin layer is provided between a core metal of a fixing roller and a ball bearing. The resin layer is adhered to the core metal so as to obviate a noise, caused by a rubbing of the res... | 11/29/2005 |
| 6954607 | Fusing apparatus and method for liquid toner electrophotography using multiple stations having different prefusing and fusing temperatures A fusing apparatus for fixing images made from a liquid toner onto a substrate using an electrophotographic process, the apparatus including a prefusing roller, a backup roller positioned to create a first nip area between the prefusing roller and the backup roller,... | 10/11/2005 |
| 6907219 | Fusing equipment of image forming apparatus Fusing equipment of an image forming apparatus, includes: a fusing roller fixing a toner image on a printer paper and comprising a supporting layer formed at an inner portion of the fusing roller, a separating layer formed at an outermost portion of the fusing rolle... | 06/14/2005 |
| 6902394 | Apparatus for aiding the removal of an adhesively coated web from a rotating roll An apparatus for aiding the removal of an adhesively coated web disposed upon the surface of a rotating roll is disclosed. The apparatus includes a movable belt disposed about at least a portion of the surface of the roll and defining a contact region. The belt has ... | 06/07/2005 |
| 6901226 | Power control for a xerographic fusing apparatus In a xerographic printer including a fuser having a heating element, a first predetermined power level is applied to the heating element. The voltage associated with the heating element is measured, yielding an output code which is applied to a look-up table. The ou... | 05/31/2005 |
| 6882804 | Fuser and fusing roller useable in a printing process, laser printer, and method of printing A printer fuser with a plurality of separately powerable heating zones along its length for permitting variably controllable heat application to a medium. ... | 04/19/2005 |
| 6857871 | Apparatus and method for controlling the temperature of manufacturing equipment A method and apparatus for zone controlling the temperature of a rotating roll. The apparatus includes a roll having a surface at a first temperature and a belt disposed adjacent at least a portion of the surface of the roll. The belt contacts the roll surface in a ... | 02/22/2005 |
| 6853833 | Fusing device for an electrophotographic image forming apparatus A fusing device for an electrophotographic image forming apparatus includes a fusing roller which includes a tubular heat pipe, both ends of which are sealed and in which a predetermined amount of a working fluid is contained, a cylindrical roller which surrounds th... | 02/08/2005 |
| 6847798 | Fusing device for an electrophotographic image forming apparatus A fusing device for an electrophotographic image forming apparatus. The fusing device includes a heat pipe, both ends of which are sealed and in which a predetermined amount of a working fluid is contained, a cylindrical roller which surrounds the heat pipe, and a h... | 01/25/2005 |
| 6733284 | Apparatus and method for controlling the temperature of manufacturing equipment A method and apparatus for zone controlling the temperature of a rotating roll. The apparatus includes a roll having a surface at a first temperature and a belt disposed adjacent at least a portion of the roll. The belt contacts the roll surface in a contact region ... | 05/11/2004 |
| 6701120 | Heating device having a heating roller with a large diameter portion which supports bearings A heating device is used in an image forming apparatus. In the heating device, a resin layer is provided between a core metal of a fixing roller and a ball bearing. The resin layer is adhered to the core metal so as to obviate a noise, caused by a rubbing... | 03/02/2004 |
| 6690907 | Fusing apparatus of electrophotographic image forming apparatus and method of manufacturing the same A fusing apparatus of an electrophotographic image forming apparatus includes an internal pipe having a tubular body portion and end portions integrally formed with the body portion at both ends of the body portion, a heat-generating portion installed to ... | 02/10/2004 |
| 6661990 | Fusing apparatus having a pneumatic member A compact long nip fusing apparatus including (a) a frame; (b) a rotatable first member for mounting to the frame; (c) a heat source for heating the rotatable first member; and (d) a rotatable and compressable pneumatic member forming a long fusing nip ag... | 12/09/2003 |
| 6661992 | Fusing roller for an electrophotographic image forming apparatus having quick warm up time and uniform temperature distribution A fusing roller of an electrophotographic image forming apparatus is provided. The fusing roller includes an internal pipe having enclosed both ends in which a vacuum state of predetermined pressure is maintained and a predetermined amount of working flui... | 12/09/2003 |
| 6631252 | Fixing apparatus capable of changing pressure contact force An object of the present invention is to provide a fixing apparatus that has a fixing rotator in contact with a recording material supporting an unfixed image, a pressure rotator in pressure contact with the fixing rotator, a support member supporting the... | 10/07/2003 |
