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7105783 |
Fixing device using induction heating
In a fixing device according to this invention, coils are formed on a coil bobbin having a predetermined shape at an induction heating portion including a plurality of coils. In order to minimize...
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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...
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7106986 |
Fixing apparatus
A fixing apparatus of an image forming apparatus with high productivity for heavy paper is provided that prevents an abnormal temperature rise of a heated material after a continuous printing...
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7105063 |
Method and materials for extending fuser member life
A method of treating a fuser member surface to extend the life thereof includes applying to the fuser member surface an ethylene diamine tetraacetate. In addition, the fuser member may be subjected...
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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...
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7107000 |
Image heating apparatus having flexible sleeve
The image heating apparatus for heating an image formed on a recording material, comprises a flexible sleeve; a driving roller which contacts an outer peripheral surface of said sleeve and rotates...
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7103292 |
Heat indicating system
An indicating system in a device having a heat emitting member. The indicating system includes a thermoelectric generator and an indicating device. The thermoelectric generator is adapted to...
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7102108 |
Induction-heating apparatus operating with power supplied in a select frequency range
An excitation coil and/or a core member, which has a characteristic frequency other than frequencies used, is employed. Thereby, resonance is prevented between adjacent coils or between a coil and...
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7103307 |
Fixing device and image forming apparatus incorporating the same
In a fixing device for fixing a toner image onto a recording medium, a heating roller is provided with an elastic layer formed on an outer periphery thereof. An endless belt is adapted to be...
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7099616 |
Heating apparatus and image heating apparatus
A heating apparatus of an electromagnetic inductive heat generating type using a magnetic flux shield member, the heating apparatus including a coil for generating a magnetic flux, a roller member...
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7098430 |
Heating apparatus with target temperature control and means for changing target temperature
Information on a temperature of a heat generation member at a position which is in the neighborhood of an end portion of a conveyance area of a material, to be heated, having a maximum size and in...
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7095973 |
Image fixing device of image forming apparatus
An image fixing device of an image forming apparatus includes a pressure roller and a heating roller to rotate as if it is in contact with the pressure roller, with a paper fed therebetween, to fix...
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7085527 |
Fixing apparatus having fixing roller and induction heating device therein
The fixing apparatus includes an induction heating device provided inside the fixing roller, configured to heat the fixing roller by induction heating, and the induction heating device further...
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7082283 |
Fixing unit and image forming apparatus
A fixing device, comprising a heating roller being rotatable and having a rotating circumferential surface to come in contact with a recording medium holding non-fixed developing agent images so as...
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7082273 |
Image forming apparatus with electricity eliminating member
An image forming apparatus according to the present invention includes: a pressing roller for pressing a sheet of paper on which an unfixed developer is prepared; a fixing roller including a...
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7079789 |
Fuser mechanism in electrophotographic apparatus
A fuser mechanism in an electrophotographic apparatus is disclosed. The fuser mechanism includes a first roller, a second roller, two elastic units, two adjusting devices, and a driving device. The...
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7079800 |
Image heating device
An image heating device according to an embodiment of the present invention includes a heat generator that has an outer surface and that generates heat by induction heating and a heater positioned...
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7076197 |
Fixing device and image forming apparatus using the same
A fixing device for fixing a recording sheet, including:
a heating roller, a pressure roller, and an exterior heating roller; wherein the hardness of the elastic layer of the heating roller...
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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...
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7072610 |
Fixing apparatus having a bypass transport path and image forming apparatus including the fixing apparatus
A fixing apparatus includes a plurality of fixing devices that fix a toner image on a sheet, a bypass transport path which bypasses at least one fixing device among the plurality of fixing devices...
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7065315 |
Fixing apparatus
A fixing apparatus of one embodiment of the present invention has a heating member which is heated by induction heating, a pressing member which supplies a predetermined pressure to the heating...
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7060349 |
Resin composition, process for producing the same and electrophotographic fixing member
A resin composition having a high adhesion between a resin layer and a metallic layer as well as an excellent durability, a process for producing the same, and an electrophotographic fixing member...
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7058346 |
Fast acting fusing method and apparatus and an electrostatographic reproduction machine including same
A fast acting fusing method and apparatus are provided for (a.) first moving a certain quantity of working liquid within a fusing heat pipe device from a heat transferring region of the fusing heat...
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7058329 |
Fixing apparatus
Image heating apparatus includes an image heating rotation member, for heating an image on a recording material, a driving device rotationally driving the image heating rotation member, an external...
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7056638 |
Toner for electrophotography, developer using the same, process cartridge using the same, image-forming apparatus using the same, and image-forming process using the same
The present invention is directed to a toner for electrophotography that exhibits excellent hot offset resistance, storability, and glossiness and can obtain a high image-resolution and highly...
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7053345 |
Heating apparatus with temperature detection system for identifying and notifying the user that the material to be heated is wound around the induction heating element
A heating apparatus has a magnetic flux generator and a rotatable induction heating element for generating heat through electromagnetic induction by the action of magnetic flux generated by the...
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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...
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7050747 |
Pressure applying device to fixing roller of image forming apparatus
A fixing device has a heating member; a pressure applying member; an urging member for urging the pressure applying member toward the heating member; and a changeover device to increase the urging...
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7046950 |
Image forming apparatus
An embodiment of the invention includes a fixing device of an image forming apparatus. The fixing device may include a first pressure applying roller, a second pressure applying roller which is...
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7045749 |
Apparatus for fixing toner on transferred material
The present invention relates to a device including a body to be heated to which a magnetic field is supplied to generate heat and which heats a developer on a material to be recorded, a plurality...
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7043184 |
Heating device, fixing device, image forming apparatus and heating method
A heating device of the present invention includes a fixing roller and a pressure roller placed in press contact with each other in a press contact region, wherein a recording material having...
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7039352 |
Thermally self-regulating fusing system for thermal transfer overcoat device including stationary heating assembly
An implementation of a technology is described herein for a fusing system comprising a heating assembly comprising a thermally self-regulating heating element.
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7038178 |
Image heating apparatus of electromagnetic induction heating type
The image heating apparatus includes a heating member, a first coil unit having a first holder in which a first excitation coil is sealed, the first excitation coil being provided for generating a...
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7035581 |
Fusing device for an electrophotographic image forming apparatus
A fusing device of an electrophotographic image forming apparatus includes a fusing unit which includes a heating portion, a fixing frame which fixes and supports the heating portion at one side,...
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7035580 |
Fixing device provided in an image forming apparatus and having a mechanism for positioning a peeling member relative to a roller
A fixing device has a first roller, a second roller, a peeling member located on a sheet exit side relative to the paired rollers to be guided in a direction away from the first roller, and a...
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7027075 |
Thermal fixing device and image forming device provided with the same
A thermal fixing device is provided in an image forming device having a main casing. The thermal fixing device includes a thermal fixing unit provided with a heat roller and a pressure roller for...
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7027763 |
Image heating apparatus having flexible rotatable member
The image heating apparatus for heating an image formed on a recording material includes a heater, a supporting member for supporting the heater, a flexible rotatable member rotated while...
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7026586 |
Induction heating apparatus with current modulating means
A fixing apparatus has an excitation coil disposed adjacent the heating element; a voltage source for applying to the excitation coil a high frequency electric power provided by modulating an input...
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7013107 |
Systems and methods for continuous motion registration distribution with anti-backlash and edge smoothing
A reprographic marking device has two rolls, e.g., a pressure roll and a fuser roll, forming a nip. A drive motor moves the rolls in a continuous back and forth lateral motion to change the...
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7013108 |
Fixing device and image forming device
A fixing device including a heat transmitting unit and a sheet unit. The heat transmitting unit has a heating source, which can be for example disposed inside the heat transmitting unit. The sheet...
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7010255 |
Fixing device having a heating member and image forming apparatus including the same
A fixing device included in an image forming apparatus for fixing a toner image formed on a sheet of the present invention includes a rotatable member and a pressing member forming a nip, which...
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7010256 |
Image heating apparatus having recording medium conveying nip nonuniform in pressure distribution
An image heating apparatus has a flexible rotatable member; a slidable member for sliding contact with an inner surface of the rotatable member; a back-up member for forming a nip with the slidable...
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7010240 |
Image forming apparatus that controls a fixing device to fix a toner image onto paper with improved productivity
This invention relates to an image forming apparatus having a fixing device which pressurizes and heats an unfixed toner image on a paper sheet as the transfer medium to fix the image on the paper...
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7007943 |
Absorption belt, image forming apparatus with absorption belt and method for producing absorption belt
The absorption belt capable of absorbing an object such as a printing medium P includes an insulating layer, a plurality of positive electrodes and a plurality of negative electrodes arranged...
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7010257 |
Method of fixing toner on recording medium
The fixing unit satisfies following three conditions. That is, (1) 2.4×10 3 ×d/(TC×t)<T 0 , where d is a thickness of the unfixed toner layer in meters, TC is a thermal conductivity of toner...
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7005619 |
Induction heating device, induction heating fixing device and image forming apparatus
An induction heating device for inductively heating an object to be heated which is formed of conductive material has a holder. The holder is positioned outside the object. The device has an...
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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...
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7003253 |
Image heating apparatus including rotary member with metal layer
An image heating apparatus for heating an image formed on a recording material, including a heater, a holder for holding the heater, a rotating member rotating around the holder and being flexible...
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7002105 |
Image heating apparatus
The present invention relates to an image heating apparatus, such as a heating fixing apparatus for fixing a toner image formed on plane paper. By making the width of a heat collecting plate of a...
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6996362 |
Fuser system and method for electophotography including multiple fusing stations
A fusing apparatus for fixing images made from a liquid toner onto a substrate using an electrophotographic process, the apparatus including a first fusing station having first and second prefusing...
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