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7493074 Fixing device, sheet member, and image forming apparatus  
The present invention provides a fixing device that has a planar member including a heat conduction layer. The heat conduction layer has a predetermined thickness and relatively pressed against a...
7491911 MEMS bubble generator for large stable vapor bubbles  
A MEMS vapour bubble generator that uses a heater in thermal contact with a liquid to generate a bubble. The heater is energized by an electrical pulse that is shaped to have a relatively low...
7489895 Image-recording process including curl-controlling and cooling and image-recording apparatus  
It is an object of the present invention to provide an image-recording process and an image-recording apparatus, even at high density image and high speed image output, capable of suppressing the...
7483666 Fixing apparatus and image forming apparatus  
A shield plate that has a plate portion stretching in a width direction of exciting coils is positioned so that end portions of the shield plate oppose the exciting coils. The present invention...
7483665 Fixing device  
A fixing device comprising a fixing roller, support rollers wrapped with a belt, bearings of the support rollers arranged at both ends thereof, pressing plates arranged between the bearings and...
7480479 Fixing apparatus  
A fixing apparatus used in an image forming apparatus has a fixing member for fixing toner on paper and a pressure member making contact therewith to form in between a nip through which paper is...
7480480 Image heating apparatus with heat pipe for decreasing unevenness in temperature distribution  
In a fixing apparatus capable of reducing unevenness in temperature distribution in an axial direction while reducing heat loss at an end portion, a fixing belt 11 extended around a fixation...
7480481 Heating and fixing device for fixing toner particles  
A heating and fixing device for toner particles is provided, which includes a pressing element, at least one elastic element, a tube-shaped film, and a pressing roller. The elastic element is...
7477858 Image forming apparatus using a belt fixing unit  
An image forming apparatus may include a belt fixing unit and a controller. The belt fixing unit includes a moving fixing belt heated by a heater, a pressure member provided inside the fixing belt,...
7471923 Linear fusing nip zone  
An image forming apparatus defined by two flat, linear surface plates and two belts independently routed outside one of the two flat linear surface plates using a combination of rollers providing a...
7469120 Image heating apparatus  
The image heating apparatus includes a cylindrical film, a heating member, and a drive roller, wherein a recording material bearing an image is heated while the recording material is bound and...
7466951 Heater assembly in a fuser with a raised resilient pad in an electrophotographic imaging device  
An electrophotographic imaging device includes a print media transport assembly and a fuser positioned in association with the print media transport assembly. The fuser includes a heater assembly...
7466952 Image-forming machine fixing device with a nipping region having a pressure distribution  
A fixing device comprises a thermally fixing roller, a belt, and pushing means which pushes the belt toward the thermally fixing roller. A nipping region is formed between the belt and the...
7466953 Fixing device and image forming apparatus  
In a fixing device which fixes toner image on a recording material while using a nipping section which is formed between a fixing roller heated by a heating section and a fixing belt which is...
7466950 Image heating apparatus with related image heating member and heat pipe  
An image heating apparatus includes a coil for generating magnetic flux and an image heating member. The image heating member comprises an electroconductive layer which generates heat by eddy...
7460797 Belt type fixing device including a contact and a non-contact temperature sensor and a reflection type sheet sensor  
A belt type fixing device includes a fix roller, a press roller rotatable in pressing contact with the fix roller, a heat roller accommodating a heat source therein and a belt passed over the fix...
7457575 Fusing device, image forming apparatus, and belt  
To move a fusing belt smoothly, and to convey a recording medium smoothly, a fusing device according to this invention has a belt, a pressure member disposed in contact with the belt, and a pushing...
7457576 Image heating apparatus  
An image heating apparatus includes a first belt contactable to an image on a recording material to heat the image; a second belt for forming a nip with the first belt; a first pressing pad for...
7447474 Image heating apparatus with adjusted feeding force to sheet with toner image  
An image heating apparatus includes a heating rotatable member for forming a nip and heating an image on a recording material at the nip; an endless belt cooperative with the heating rotatable...
7447473 Fixing device with pressing member and an image forming apparatus having the same  
A fixing device for fixing a toner image onto a recording medium, and an image forming apparatus having the same are provided. The fixing device includes a fixing roller heated by a heating source,...
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...
7433640 Fixing apparatus and image forming apparatus including heating member  
In a fixing apparatus including heating member having an elastic layer and a heat source and pressing member having an endless shape member and a pressing member for transporting a record medium in...
7433639 Fixing device  
In a fixing apparatus using an induction heating type of heating apparatus, there are provided an excitation apparatus that generates magnetic flux, an opposed core located opposite the excitation...
7430394 Belt feeding device and image heating device  
A belt feeding apparatus includes an endless belt and a supporting member for rotatably supporting the belt. A setting member is provided for setting, when the belt is deviated from a widthwisely...
7430393 Belt feeding device and image heating device  
A belt feeding apparatus includes an endless belt and a supporting member for rotatably supporting the belt. The belt feeding apparatus further includes a setting member for setting, when the belt...
7428401 Belt-type fixing device  
A belt-type fixing device is provided that achieves reduction in time required between start of rotation of a fixing belt upon reception of print starting signal in printing-standby status and...
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...
7425691 Coil unit and fixing apparatus  
A fixing apparatus includes a mold (holding member) formed by injection molding to hold a coil so that the coil maintains a predetermined positional relation with respect to a heating roller, and...
7424261 Image heating apparatus  
An image heating apparatus including an endless belt for heating an image on a recording material; a supporting member for supporting the belt; a coil for induction heat generation in the belt;...
7424260 Thermal fixing device and image forming device  
The contact rate between a heater 1 and a heater holder 2 is made higher at both ends in the longitudinal direction of the heater than at the center. Alternatively, the per-unit-length volume...
7424259 Fixing apparatus  
A fixing apparatus that enables the calorific value of a heat-producing rotating element to be stabilized and the heat production efficiency of that heat-producing rotating element to be improved....
7421236 Fixing unit including backup pressure members and image forming apparatus having the same  
A fixing unit, and an image forming apparatus having the fixing unit. The fixing unit includes a heat roller including a heat source therein, one or more pressing rollers in close contact with the...
7418228 Fuser systems and methods  
Embodiments use an apparatus comprising a media path that is adapted to transport media sheets within the printing apparatus. Fuser rolls are positioned along the media path, and the fuser rolls...
7418229 Fusing unit that stabilizes a contact nip region  
A fusing unit for fusing a nonfused toner image formed on a sheet medium, including: a heating roller; a pressing roller pressed to the heating roller; a heat-resistant belt which is wrapped around...
7415235 Image forming method and apparatus, image fixing unit, and induction heater used therein  
An image forming apparatus includes a fixing unit for fixing a toner image on a recording sheet. In the fixing unit, a magnetic flux generator generates a magnetic flux to induce heat in a support...
7406288 Image heating apparatus including pads and belts forming a pressurized nip  
The present invention relates to an image heating device comprising, a first belt which heats an image on a recording material at a nip, a second belt which forms the nip with the first belt, a...
7398028 Image heating apparatus including a cooling unit adapted to cool a heating member  
In an image heating apparatus including a rotatable heating roller to heat an image on a recording material at a nip part, and a cooling unit to cool the rotatable heating roller, the cooling unit...
7398045 Fixing unit and image forming apparatus  
A fixing unit for fixing a toner image on a recording material includes: a rotatable fixing roll; a fixing belt stretched on the fixing roll; at least one tension roll stretching the fixing belt...
7395021 Image forming apparatus with high and low gloss modes  
An image forming apparatus operable in high-gloss and low-gloss image forming modes and which has an image forming unit for forming a toner image on a recording material; an image heating unit for...
7391983 Method and apparatus for controlling image forming operation of an image forming apparatus  
The present invention relates to an image forming apparatus that enables the occurrence of print defects due to a first print start time delay to be eliminated without using a temperature sensor...
7392005 Image heating apparatus  
An image heating apparatus includes a rotatable heating member configured to heat an image on a recording medium at a nip, driving means configured to drive the heating member, an endless belt...
7392006 Image heating apparatus  
An image heating apparatus includes a heating rotatable member for heating an image on a recording material at a nip; an endless belt cooperative with the heating rotatable member to form the nip;...
7389079 Image heating apparatus and flexible sleeve used for the same  
The image heating apparatus includes a flexible sleeve including a stainless base layer; a heater being in contact with an inner circumferential surface of the flexible sleeve; and an elastic...
7389078 Fixing method, fixing apparatus using the same, and image forming apparatus  
The invention provides a fixing method including conveying a recording medium on which a toner image has been formed using a fixing belt, in a state in which the fixing belt contacts with a surface...
7386264 Fusing system including a backup belt assembly  
In accordance with a first aspect of the present invention, a system is provided for fusing an unfixed toner image to a substrate comprising a rotatable hot fusing roll and a backup belt assembly....
7383012 Image forming apparatus with endless belt movable in widthwise direction  
An image heating apparatus has an endless belt for heating an image on a recording material in a nip formed with a roller, a steering control portion for swinging the belt in a widthwise direction...
7383011 Image forming apparatus featuring a pre-smoothening mode performed prior to formation of a toner image  
An image forming apparatus including image forming means for forming a toner image on a toner reception resin layer of a recording medium; conveying means for conveying the recording medium set on...
7383010 Fixing apparatus, image forming apparatus, wire winding apparatus and method for producing magnetic excitation coil  
A fixing apparatus of the present invention for an electronic induction heating system includes a heat roller and a magnetic excitation coil that generates Joule heat within the heat roller. The...
7379698 Image forming apparatus and fixing apparatus for fixing toner image by using belt  
An image forming apparatus includes an image forming mechanism configured to form a visible image using toner on a recording sheet according to input image data and a fixing mechanism configured to...
7379697 Image heating apparatus with a pad sheet for a pressing member of the image heating apparatus  
An image heating apparatus includes a heating rotatable member for heating an image on a recording material in a heating nip; a belt for cooperating with the heating rotatable member to form a...