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6671489 |
Thermal fixing apparatus
In a heating-type toner-fixing unit using a ceramic heater and a cylindrical fixing film, the shape of the fixing face-side surface of a ceramic heater 10 which comes into contact with a fixing...
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6650863 |
Fixing unit and image forming apparatus
The invention concerns the image forming apparatus incorporating a fixing unit, which is includes either a fixing belt or a fixing roller, and effectively used in a copier or a printer. The fixing...
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6636709 |
Fixing device having temperature detecting member and image forming apparatus using said fixing device
A fixing device for fixing a toner image on a recording medium includes a heating roller, a fixing roller, an endless fixing belt extended around at least the heating roller and the fixing roller...
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6631253 |
Fixing device and image forming apparatus using the same
A fixing device for fixing a toner image formed on a recording medium conveyed to a nip for fixation of the present invention includes a rotary body, a stationary heating member not forming the...
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6618574 |
Thin film type image heating apparatus with pressurizing force transmitting member for regulating movement of film
The image heating apparatus has a heater, a film sliding against the heater, a roller forming a nip together with the heater via the film, a holding member for holding the heater, and a supporting...
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6614004 |
Heater including heat dissipation resistor on substrate and image heating apparatus equipped with the heater
In a film heating system, since a heating body is in contact with the conductive ring at an end portion of the heating body, heat body through the conductive ring, with the result that the quantity...
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6597888 |
Image heating apparatus with holding a driving members for belt outside nip portion
The present invention provides an image heating apparatus, which has a movable endless belt, a support member for supporting the belt at an inside of the belt, wherein the belt slides relative to...
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6594464 |
Image forming apparatus including endless belt with reduced heat loss
A fixing device for an image forming apparatus includes a heat roller, a fixing roller, an endless belt passed over the heat roller and fixing roller and driven to turn, a press roller pressed...
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6583389 |
Image heating apparatus, heater for heating image and manufacturing method thereof
An image heating apparatus that has an elongated heater, a film having a surface which moves while in contact with a recording material bearing an image, wherein the image on the recording material...
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6584297 |
Image fixing device and image forming apparatus equipped therewith
An image fixing apparatus in which a fixing belt is trained about a plurality of support rollers including therein one support roller housing a heat applying source, and a relative position of a...
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6580894 |
Fixing apparatus
A fixing apparatus according to the present invention includes a heating member, a belt support member, a heating belt, a press member, a first control section, and a second control section. The...
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6577837 |
Image forming method and image forming apparatus
An image forming method has steps of transferring a toner image formed on an image bearing member onto an intermediate transfer member and simultaneously transferring and fixing the toner image on...
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6574449 |
Image forming apparatus, and fixing device for use with the same
A fixing device includes a pressure application roller 120 pressed against a fixing belt 110 (or fixing roller) to be heated. One of the them is driven while the other follows the one in...
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6567639 |
Fixing device for heat pressure fixing a record medium and method thereof
A fixing device according to the present invention includes a fixing belt and heats up a record medium having a developed image, a pressure roller pinches and conveys the record medium together...
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6564026 |
Image forming apparatus having a removable roller unit
An image forming apparatus includes an apparatus body, a heat roller, a fixing roller, a press roller pressed against the fixing roller, and endless belt passed over the heat roller and fixing...
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6564033 |
Fixing belt and image heating and fixing apparatus
To provide a high-durable fixing belt and an image fixing apparatus with high durability and high reliability for using a heating body needing a small amount of thermal capacity to enable heating...
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6556798 |
Method and apparatus for using a conformable member in a frictional drive
A method and apparatus for controlling image defects associated with overdrive or underdrive, and variations thereof, in an electrostatographic machine. A speed modifying force is transmitted to a...
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6553204 |
Fixing device for fixing a toner image in an image forming apparatus
An image forming apparatus and a fixing device for fixing a toner image on a transfer member include a fixing roller and a backup roller configured to press the image transfer member against the...
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6537741 |
Fusing belt for applying a protective overcoat to a photographic element
A fusing belt comprising a substrate and a coating on the substrate wherein the coating comprises a resin containing a cured silsesquioxane polymer and wherein the belt is used in combination with...
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6519439 |
Toner image fixing method and apparatus
A method of fixing a toner image on a support, which includes the steps of heating a toner image formed on a support by use of a toner to the softening point or melting point of the toner or above,...
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6518546 |
Heater having electronically conductive board and image heating apparatus using heater
This specification discloses a heater comprising an electrically conductive substrate, a first electrically insulating layer formed on the electrically conductive substrate, a heat generating...
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6505018 |
Fixing apparatus with improved heating efficiency
A fixing apparatus of the present invention includes a fixing roller arranged opposite to a heating roller in a spaced-apart relation, a fixing belt spanned between the fixing roller and the...
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6501935 |
Belt-type fixing apparatus having a fixing roller provided with a soft foam layer
A fixing apparatus which prevents a generation of wrinkles in a print paper and rapidly recovers a temperature of a fixing belt. The fixing belt is engaged with a fixing roller and a heat roller...
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6501936 |
Heating mechanism for use in image forming apparatus
A heating mechanism includes a paper transmitting path for carrying a paper, a fixing roller provided on this paper transmitting path, a pressurizing roller disposed so as to oppose the fixing...
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6498919 |
High fatigue resistant metal sheet and fixing belt and fixing apparatus using the same and evaluation apparatus of metal material fatigue resistance and method thereof
A metal sheet showing either voltage characteristics, impedance or calorific characteristics close to the case where low frequency is applied even when a high frequency alternating current voltage...
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6498911 |
Fixing device with reduced power consumption and shortened warm-up time
A fixing device is provided in the middle of a conveyance path for conveyance of a sheet on which a toner image is transferred. A fixing roller round which an endless fixing belt is put is provided...
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6496680 |
Image fixing device and method using ultrasonic vibration
Device and method for fixing an image in which a vibrator, which generates ultrasonic waves by applying a voltage, and a horn connected thereto are arranged opposite a pressure roller with an...
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6496666 |
Image forming apparatus and method having an improved heating mechanism in fixing device
A fixing device having an endless fixing belt configured to convey a sheet-like medium on which a toner image is to be fixed, heating and fixing rollers having the fixing belt wound thereon, and a...
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6476357 |
Fixing device provided with a fixing belt
The fixing device of the present invention comprises a heating roller having an internal heating device; a flexible fixing belt wrapped around the exterior side of the heating roller and having a...
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6462317 |
Heater bar utilizing a positive temperature coefficient heating element
This invention relates to an improved heater bar that can be used for either a heater in a laser printer fuser or a heater in a thermal overcoat or laminating mechanism. The improved heater bar...
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6459877 |
Fixing device which prevents damage to a fixing belt
A recording medium having a toner image formed thereon is moved to pass through a press contact portion between an endless belt being heated and an pressure roller pressed against the endless belt....
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6456819 |
Image heating apparatus
The present invention provides an image heating apparatus which has a supporting member, a moving member slidable with the supporting member, and a backup member forming a nip with the supporting...
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6449457 |
Toner image forming device with belt heated by electromagnetic induction heating
The fixing device includes a heating roller made of magnetic metal and heated by electromagnetic induction; a fixing roller disposed parallel to the heating roller; an endless toner heating medium...
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6377777 |
Fluorine-containing resin-coated pressure roller and heat-fixing device
A fluorine-containing resin-coated pressure roller exhibiting excellent anti-toner soiling characteristic even at low roller temperatures is provided. The pressure roller includes a cylindrical...
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6365279 |
Fusing member for hot pressure fixing of toner particles and for transfusing toner particles
A fusing member comprising a support, and on the support, an outermost layer containing a silicone elastomer, having at most 5% by weight of filler particles, the elastomer layer containing...
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6366757 |
Induction heating fixing device
An induction heating fixing device transports a sheet sandwiched between a fixing belt and a pressing roller pressed thereagainst, heats the sheet, and thereby fixes a toner image onto the sheet....
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6363229 |
Full-color toner image fixing method and apparatus
A method for fixing full-color toner images on an image receiving member so that the fixed toner images selectively exhibit different glossinesses includes the step of bringing the transferred...
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6352807 |
Image forming method and apparatus having a photoreceptor web
A photoreceptor web for an image forming apparatus includes a base layer, a conductive ground layer formed on the base layer, and a photosensitive layer formed on the ground layer, where an...
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6351619 |
Image forming apparatus, belt type fixing device and heating control
A belt type fixing device of the present invention includes an endless belt, a conveyor roller supporting the belt such that the belt is rotatable, a first heat source for heating the belt, a first...
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6332067 |
Passive management of transfuse belt temperature distribution
A printing apparatus includes a toner image producing station for forming a toner image. The apparatus includes an image bearing member for supporting the toner image; and a transfuse station for...
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6327444 |
Fixing device and heating volume regulating method for an image forming apparatus
The fixing device of the present invention is provided in the conveying path to lead an image receiving medium having a developer image in the exit direction and includes a pressurizing/fixing...
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6327456 |
Induction heating fixing device and image forming apparatus
The present invention provides a fixing device that excels in thermal conversion efficiency, compared with an induction-type fixing device. In this fixing device, a peripheral surface of a roller...
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6324366 |
Sleeve rotation-feed apparatus, developing apparatus, image formation apparatus, and fixation apparatus
A drive roller is rotated and a high voltage periodically alternating between plus and minus based on the potential of a conductive portion of the drive roller 2 is applied by a high voltage power...
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6321061 |
Belt nip-type toner fixing apparatus using elastic endless belt
Disclosed is a belt type fixing apparatus for thermally fixing an unfixed toner layer on a paper sheet. The fixing apparatus has a heating roll and a resilient endless belt stretched by a plurality...
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6298215 |
Image heating apparatus
The present invention provides an image heating apparatus which has a rotary member, magnetic flux generating device for generating a magnetic flux, and wherein an eddy current is generated in the...
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6282398 |
Fixing apparatus
The fixing apparatus is capable of ensure the freedom of the design for a driving mechanism which is provided for endlessly traveling the fixing belt. In order to accomplish the object, the fixing...
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6272309 |
Fixing apparatus
The present invention provides a fixing apparatus which can secure a sufficient fixing performance even if a nip pressure is arranged in relatively low value. A fixing apparatus comprises a fixing...
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6266510 |
Control of wrinkling in belt fuser by nip configuration
An electrophotographic printing apparatus utilizing a belt fuser mechanism which minimizes or eliminates the wrinkling or "treeing" of printed pages through the fuser is disclosed. In this device,...
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6263181 |
Electrostatographic reproduction machine including a dual function fusing belt deskewing and oiling assembly
An electrostatographic reproduction machine including a contact belt fusing apparatus for fusing copy sheets without belt skew defects. The fusing apparatus includes an endless fusing belt having...
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6263183 |
Woven belts for business machines
Multiple layer fuser belts having a woven fabric layer and a high conformability, low surface energy elastic layer. The fabric layer is formed from high modulus, high temperature fibers that are...
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