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7582344 |
Heat roller
A heat roller having a cylindrical sheet-like heating element having a resistance member embedded in an insulating member. The sheet-like heating element is arranged between an inner tube and an...
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7511249 |
Adjustment of temperature in a hot roller
Provided is a printing device comprising a hot roller having an inside surface and an outside surface. A heating element is present within the hot roller. The inside surface has a first region,...
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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...
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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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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...
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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...
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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...
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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,...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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6589048 |
Roller construction for operation at elevated temperatures
A roller for use in a fuser assembly of a reproduction apparatus adapted to operate at an elevated temperature up to in the range of approximately 750° F. The roller includes a generally elongated...
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6582222 |
Fusing station including multilayer fuser roller
A fusing station including an externally heated deformable fuser roller and a relatively harder pressure roller, the fuser roller including a heat distribution layer. A fuser roller embodiment...
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6571080 |
Fusing roller assembly having working fluid and heater coil for quick heating and low power consumption for an electrophotographic image forming apparatus and method of making the same
A structurally improved fusing roller assembly based on a heat pipe principle is provided. The fusing roller assembly includes a fusing roller that serves as a heat pipe, and a resistance heater...
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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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6517346 |
Fusing station with improved fuser roller
For fusing toner images to receiver members, a fusing station is disclosed including an externally heated deformable fuser roller, and a relatively harder pressure roller. The fuser roller includes...
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6455811 |
Image heating apparatus and heater used in this apparatus
In a conductive board heater using metal as the board, since thermal expansion is large, and expansion and shrinkage are repeated in a heating apparatus, there is a defect that the electrode...
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6423941 |
Image heating apparatus and heater
The present invention relates to an image heating apparatus in which an image on a recording material is heated by heat from a heater via a film, and the film contacts a surface of the heater...
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6288370 |
Heat treatment apparatus and heat development apparatus using the same
A is moved, the heating members heat treatment apparatus 18 for subjecting a sheet A, which must be subjected to heat treatment, to heat treatment by transferring the sheet along the surface of a...
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6134400 |
Toner image fixing apparatus having standby mode temperature control device
A toner image fixing apparatus has a fixing roller, a pressing roller normally urged toward the fixing roller for pressing a sheet with an unfixed toner image carried on a surface thereof against...
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6118969 |
Electrophotographic fuser roll having distributed thermal mass
A fuser hot roll for use in an electrophotographic process is disclosed. This roll is constructed such that the center portion of the roll's length has a greater thermal mass per unit length than...
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6118955 |
Image forming apparatus and fixing apparatus
In a belt type fixing apparatus having a heat roller temperature sensor that detects the temperature of a heat roller that contains a heater for heating a fixing belt, and a fixing belt temperature...
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6061545 |
External heat member with fluoropolymer and conductive filler outer layer
An external heat member having a) a heat source, b) a substrate; and thereover c) an outer fluoropolymer layer with a fluoropolymer and a conductive filler, and in a preferred embodiment, the...
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6011938 |
Fixing device in image forming device
To improve the fixing ability in the fixing device, and simultaneously prevent hot offset occurring during continuous fixing process. In the interior of a cored bar of a heat roll is mounted a...
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6007465 |
Yarn guide roller
A heat treatment furnace for fiber for heat-treating a fiber bundle (yarn) formed of many continuous filaments in hot gas while running the yarn. The heat treatment furnace has a plurality of heat...
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5980245 |
Durable gudgeons for fusing rollers
A gudgeon or endcap for a heated roller is provided which substantially reduces heat loss through the ends of the roller and is of sufficient strength and durability to transmit rotation to the...
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5974285 |
Fixing unit that supplies electricity to a lamp of an image forming apparatus irrespective of expansion and contraction of the lamp
Even if a halogen lamp is thermally expanded or contracted when electricity is supplied to it, the fixing unit in accordance with the invention responds to the thermal expansion or contraction of...
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5916409 |
Process and device for heating a moving web
The process for heating a moving web, in particular a corrugated board web, in addition to a supply of heat to the one outer side of the moving web, also provides supply of heat to the other outer...
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5903810 |
Fixing device with a closed space
A fixing device including a heat roller for heating a sheet, a press roller, pressed against the heat roller, for pressing the sheet on the heat roller, an aluminum plate provided along the outer...
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5875530 |
Tentering process
Fiberglass mesh is tentered by conveying the mesh in sliding relation over counter-rotating heated rollers or oscillating heated bars. The mesh is pulled over the rollers or bars and is slit and...
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5862436 |
Fixing apparatus and method for electrophotographic apparatus including temperature detecting mechanism for heat roller
A a fixing apparatus for an electrophotographic apparatus includes a heat roller (11a) having a heater (14) therein and a pressure roller (11b) urged against the heat roller, wherein a recording...
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5837340 |
Instant on fuser system members
A fuser system member for use in an electrophotographic apparatus for fusing toner images to a copy substrate, the fuser member having a substrate, a heat generating layer provided thereon...
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5786570 |
Heating roller device
A heating roller device including a center shaft, a heat roller rotatably supported on the center shaft, and heating means provided inside the heat roller has the wear resistance of the outer...
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5774763 |
Energy efficient fixing device having a fast response
In an image forming apparatus, a fixing device has a structure in which a film formed on an outer face of a hollow cylinder is heated by a heat ray of a heater. In this structure, the heating...
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5760375 |
Heated rollers
The disclosure involves a heated roller having a generally-cylindrical outer shell, a primary heating coil between the shell and a roller head at the end of the shell. In the improvement, the head...
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5572307 |
Press mechanism used with a fixing device for an image forming apparatus
A fixing device includes a heat roller, which is rotatably mounted to a frame, a press roller, which is rotatably mounted to the frame, and a press mechanism for pressing the press roller against...
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5517293 |
Heat roller fixing apparatus with rotating lamps
Disclosed is a heat roller fixing apparatus for performing a thermal fixation onto a sheet by rotating a heat roller. This heat roller fixing apparatus comprises a heat roller including a roller...
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5512993 |
Image heating device capable of controlling activation of plural heaters
Disclosed is an image heating device for a fixing device in image forming apparatus. The image heating device is provided with two heaters and an image fixing roller. The image fixing roller is...
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5450181 |
Fixing device
In a fixing device, a core material of a fixing rotating member has two largest-diameter portions respectively located between a central portion and each end portion of the fixing rotating member,...
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5436709 |
Fixing device which controls an energizing condition of a heater after fixing operation
A fixing device which can be employed in an image forming apparatus controls energization of a heater which heats a fixing device, and a detector for detecting the condition of fixing operations...
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5434658 |
Apparatus for guiding of the entrance of copy sheets for use in electrostatic copy machines
An apparatus for fixing a copy paper for use in electrophotographic appliances, such as laser beam printers or copying machines, includes components for stretching the leading edges of copy sheets...
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5426495 |
Image fixing device having heating portion at one end thereof
In an image forming apparatus, an image fixing device has a hollow cylindrical fixing roller implemented as a heat pipe, and a pressing roller held in pressing contact with the fixing roller. The...
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5404214 |
Image heating apparatus comprising a grounded film
An image heating apparatus includes a heater; a heat transmitting member for transmitting the heat from the heater to an unfixed toner image while moving in contact with a recording material...
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5402211 |
Heated fixing roller with selectively heatable portions
A fixing roller device which is capable of dividing the heating area into a plurality of separately heatable different parts both in the circumferential direction of the heater roller, as well as...
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