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7356299 |
Fusing roller and fusing apparatus having the same
A fusing roller and a fusing apparatus having the fusing roller are provided, wherein the fusing roller includes a coil unit, which generates resistive heat and an alternating magnetic flux in...
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7349660 |
Low mass fuser apparatus with substantially uniform axial temperature distribution
An energy transfer device may include a fuser roll, a pressure roll, the pressure roller and the fuser roll being part of a marking system, and a heat pipe, the heat pipe being in contact with at...
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7349661 |
Fusing roller and fusing apparatus using the same
A fusing roller and a fusing apparatus using the same are provided. The fusing roller includes a coil unit resistance heated by a predetermined alternating current, and generating an alternating...
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7343131 |
Fixing device having a pressure roller and image forming device equipped with the same
A fixing device is provided with a heat roller ( 18 ) and a pressure roller ( 19 ) having a shaft ( 24 ) and an elastic layer ( 25 ) formed on a periphery thereof and being in pressurized contact...
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7340207 |
Fusing roller and fusing apparatus adopting the same
A fusing roller and a fusing apparatus using the same are provided. The fusing roller includes a coil unit resistance heated by a predetermined alternating current, and an alternating magnetic flux...
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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...
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7333760 |
Fixing device with temperature control
A fixing device including a magnetic field generating device to generate a magnetic field, a fixing member to heat a recording material by heat generated in a first recording material passing area...
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7330687 |
Image fixing unit having preheating means for image forming apparatus and image fixing method using the same
An image fixing unit for a wet image forming apparatus comprises a fixing section and a preheating means. The fixing section has a first fixing roller, and a second fixing roller which rotates in...
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7327978 |
Heat pipe fusing member
A fusing member is formed from an evacuable inner tube with a cylindrical wall. The evacuable inner tube is inserted into an outer tube and the inner tube is pressurized to expand the inner tube...
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7327967 |
Image heating apparatus with variable timing
In a construction wherein at the start of fixing, a pressure belt is brought into contact with a fixing roller at uniform timing, it has sometimes been the case that the temperature of the pressure...
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7326890 |
Image heating apparatus with movable electroconductive member
An image heating apparatus for heating an image on a recording material has a magnetic flux generator for generating a magnetic flux; a heat generation member for generating heat by the magnetic...
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7326508 |
Image forming method
An image forming method, including forming an unfixed toner image on the surface of paper by an electrophotographic process using a developer containing a toner, and fixing the toner image on the...
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7324778 |
Fixing device including heating roller and pressure roller
A fixing device wherein supposing that the total load given to a heating roller and a pressure roller is W (kgf) and the area of the pressure contact portion of the heating roller with respect to...
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7321738 |
Fixing apparatus with current control to heater
A fixing apparatus has a first heating member and a second heating member provided in a heating portion, and a current control unit which controls an AC current to be supplied to the heating...
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7317893 |
Heating roller, heating device and image forming apparatus
A heating roller is constituted by an elastic roller AA in which an elastic thermal insulation layer is formed, and an endless cylindrical member BB in which a releasing layer is formed on a...
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7305208 |
Image heating apparatus with discharge occurring between a charge eliminating member and a pressure roller
The image heating apparatus for heating a toner image formed on a recording material, includes a rotatable member, a pressure roller which contacts with the rotatable member, wherein the recording...
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7299002 |
Heater, and image forming apparatus, heating method incorporating same
A fixer (heater) includes a heat roller and a pressure roller pressing each other. The fixer heats a heated material by passing the heated material through a press region where the heat roller and...
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7294810 |
Heater, fixing device and image forming apparatus
A heater includes: a hollow tube sealed hermetically and reduced in pressure, the interior of the hollow tube being divided by at least one partition wall into a plurality of regions arranged side...
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7292801 |
Fixing device, fixing method, image forming apparatus, image forming method
A fixing device including a rotation body and a facing unit configured to face the rotation body. The fixing device also includes a first heat unit configured to heat a nipping area that is formed...
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7289758 |
Fixing device and an image forming apparatus using the same
An image fixing unit includes a heating roller, a pressing roller forming a first fixing nip by contact with an outer surface of the heating roller, and a fixing nip expansion unit forming a second...
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7283760 |
Variable nip pressure fusing system
A fuser system of a xerographic device provides a fuser member, and a pressure member supported for pressure engagement with the fuser member. The pressure member includes an inner layer and an...
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7283778 |
Image forming apparatus with heating member control based on door opening state and heating member position
An image forming apparatus has a fixing unit for heat fixing an unfixed image formed on a recording material at a nip, with the fixing unit having a rotary fixing member disposed for contacting...
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7283145 |
Image heating apparatus and heater therefor
The n image heating apparatus for heating an image formed on a recording material, includes a heater including a substrate, and plural heat generating resistors formed on the substrate along a...
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7283763 |
Fixing apparatus, and image forming apparatus
Disclosed is a fixing apparatus which includes a first rotatable member having an endless configuration, and a second rotatable member in pressure contact with the first rotatable member which...
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7283757 |
Fixing device for use in an image forming apparatus
A fixing device has a fixing belt, a trembler coil for heating the fixing belt with magnetic flux, a ferrite core around which the trembler coil is wound, and a heater for heating the ferrite core....
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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...
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7280793 |
Fuser arranged for braking and an image forming device including the same
A fuser assembly includes a pressure member motion speed reduction device which slows the pressure member speed when the printed paper lead edge exits the nip. The temporarily slower pressure...
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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.
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7271371 |
Magnetic flux image heating apparatus with shaped heat rotation member
A fixation apparatus having a good fixability in its longitudinal direction and an image forming apparatus are provided. The fixation apparatus includes an electromagnetic induction heating member...
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7268326 |
Magnetic flux driven heat generation member with magnetic flux adjusting means
An electromagnetic induction heating apparatus capable of uniformize a temperature distribution in a longitudinal direction of an induction heating member includes: an exciting coil (magnetic flux...
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7268327 |
Induction heating apparatus with magnetic flux adjusting means
A heating apparatus has an induction heat generation member for electromagnetic induction heat generation by the magnetic flux at a heating portion, wherein a material to be heated is introduced to...
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7266339 |
Image-forming device
In a fixing portion, a heating roller and a pressure roller are provided. An angle of separation θ (°), the temperature T HR (° C.) of the surface of the heating roller, the diameter D PR (mm)...
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7262391 |
Image heating apparatus having a heat generation member generating heat by magnetic flux and heating an image on a recording material
A heating apparatus, for heating a material P to be heated by heat from a heat generation member which has a predetermined curie temperature characteristic and generates heat by magnetic flux...
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7263311 |
Pressure releasing device and image forming device
A pressure releasing member, which rotates a pressure roller pressing member which presses a pressure roller in the direction toward a heat roller in a pressure releasing direction, is configured...
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7257360 |
Induction heated heat pipe fuser with low warm-up time
A fusing station ( 100 ) for fusing toner to an image receiving medium ( 102 ) includes: a fuser roller ( 120 ) configured as a heat pipe including a sealed hollow cavity ( 124 ) containing a...
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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...
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7254362 |
Fixing device, image forming apparatus using the fixing device, and heat insulating member
A fixing device containing at least one fixing member configured to fix a toner image on a transfer material, which includes a first substrate and a pressing member configured to form a nip with...
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7251446 |
Fuser and image forming apparatus
To control a surface temperature of a heating element to be an appropriate fusing temperature, a fuser comprises a supporter having a core metal at least, a heating element supported by the...
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7251428 |
Image forming apparatus with heating rotatable member and reset control means for interrupting a currently executing image formation job
An image forming apparatus has an image forming unit; a heating rotatable member; a magnetic flux generator for generating a magnetic flux for induction heat generation in the heating rotatable...
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7242881 |
Image forming apparatus having advanced fixing system
An image forming apparatus including: a fixing device for fixing a toner image formed on a recording medium onto the recording medium, the fixing device comprising a first fixing member equipped...
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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...
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7238924 |
Magnetic flux image heating apparatus with control of movement of magnetic flux shield
An image heating apparatus includes a heating rotatable member for heating an image on a recording material in a heating nip; a magnetic flux generator for generating a magnetic flux for induction...
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7239837 |
Fixing apparatus
The present invention provides a fixing apparatus includes a fixing roller 12 , a heating source 14 for allowing the outer peripheral surface of the fixing roller 12 to have a given...
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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...
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7233764 |
Fixing device in image forming apparatus and image forming apparatus with fixing device
A fixing device includes: a fixing belt member configured to be endless and rotatable; driving force transmission members that are disposed on respective ends of the fixing belt member, and...
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7232977 |
Fusing device
Disclosed herein is an induction heating type fusing device for fixing toner image on a transfer material. The fusing device includes an exciting coil that induces induction magnetic field by...
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7228098 |
Fusing assembly having a temperature equalizing device
A fusing assembly includes (a) a first member having a first edge, a second edge and an end-to-end axis; (b) a second member having a fusing surface forming a fusing nip with the first member, and...
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7224922 |
Image fixing apparatus capable of changing surface condition of fixing rotary member and fixing rotary member for use therein
A fixing apparatus including a rotatable member, a heater for heating the rotatable member, and control means which controls heat generation of the heater, wherein a toner image on a recording...
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7221896 |
Fixing device for fixing an unfixed developing agent on a recording medium and image forming apparatus including the same
A fixing device of the present invention includes a pressure roller and a peeling roller both of which press a heat roller. The pressure roller is disposed upstream to the peeling roller in a...
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7218885 |
Fixing apparatus
A fixing roller has a heat source therein and has a rubber layer on an outer periphery of a metal pipe. Hardness of the fixing roller is set to a range from 70° to 85° (ASKER C). A pressing...
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