Class / Patent application number | Description | Number of patent applications / Date published |
492049000 | CONCENTRIC LAYERED ANNULUS | 44 |
20090018004 | Roller assembly - A roller assembly for a production machine having an inner wheel base capable of attachment to the driving axle of a production machine and an expandable outer ring which is cooperatively connectable to the inner wheel base is disclosed. The circumference of the expandable outer ring is adjustable. An outer roller cover mounts circumferentially around the adjustable expandable outer ring. | 01-15-2009 |
20100062920 | ROLLER ASSEMBLY - A roller assembly ( | 03-11-2010 |
20100292062 | Modular Pulling Roll and Methods of Manufacture and Use Thereof - Methods for the preparation of a pulling roll including a sleeve ( | 11-18-2010 |
20110301004 | ROLLING DEVICE - A rolling device of utilizing flexible material, such as a soft piece, a tap, a plastic piece, a cardboard, a metal sheet, to roll a flexible thin component, such as a soft piece, a paper, a plastic piece, a metal sheet, a cloth, so as to inject the flexible thin component into the rolling device or to eject the flexible thin component out of the rolling device. | 12-08-2011 |
20120077657 | PROTECTIVE FILM AND ROLLER USING THE SAME - A protective film includes an adhesive layer, a metal nitride layer, and an anti-adhesive layer. The metal nitride layer is coated on the adhesive layer. The anti-adhesive layer is coated on the metal nitride layer. | 03-29-2012 |
20140179500 | FEED ROLLER OF CONVEYING DEVICE - A pick roller as a feed roller of a conveying device includes an inner core portion rotatably disposed on a rotational shaft, a rubber in contact with a sheet, and an outer core portion on which the rubber is mounted and that is removably mounted on the outside of the inner core portion. This enables replacement of the rubber and the outer core portion as one body, making replacement of the rubber easy without improper mounting. | 06-26-2014 |
20150087490 | SOFT RUBBER ROLL COVER WITH WIDE GROOVES - An industrial roll includes: a substantially cylindrical metallic core; a base layer that is adhered to and circumferentially overlies the core; and a top stock layer that circumferentially overlies the base layer. The top stock layer includes circumferential grooves, wherein the grooves have a width/height ratio of at least 0.7. | 03-26-2015 |
492051000 | Mat or fabric internal layer | 2 |
20120302414 | RUBBING APPARATUS - A rubbing apparatus including a rubbing roller including an opening portion at a region of a circumferential surface of the rubbing roller, an outlet portion connected to the opening portion and open to an outside of the rubbing roller, and a groove portion connected to the opening portion and penetrating into the rubbing roller along the opening portion; and a rubbing cloth substantially surrounding the circumferential surface of the rubbing roller. | 11-29-2012 |
492052000 | Adhesive bonded or resin impregnated | 1 |
20090023567 | Coated Member, Especially Roller, Made of Carbon Fiber-Reinforced Plastic (CFK) for Paper Machines and Printing Presses, and Method for the Production of such a Member - Coated body of carbon fiber reinforced plastic (CFP) for paper machines and printing machines, particularly roller, comprising an adhesion promoter layer and a wear protective layer of hard metal or oxide ceramics which is applied onto the adhesion promoter layer, characterized in that the adhesion promoter layer consists of ductile metal selected from the group consisting of copper, nickel, iron, lead and tin and is applied by plasma spraying or flame spraying. | 01-22-2009 |
492053000 | Specific composition | 35 |
20090036283 | ROLLER OF THERMOSTRUCTURAL COMPOSITE MATERIAL - The invention relates to a roller comprising an axial support element made of metal and comprising at least two shafts, and a cylindrical shell made of thermostructural composite material. In order to compensate for differential expansion between the metal axial support element and the cylindrical shell made of thermostructural composite material, radial clearance is provided with the axial support element and the cylindrical shell. | 02-05-2009 |
20100087303 | PAPERBOARD WINDING CORE FOR INORGANIC MATERIALS, HAVING REMOVABLE OUTER PLY - A wound paperboard core for inorganic material comprises a plurality of paperboard plies wound one upon another about an axis and adhered together with adhesive to form a tube. An outer paperboard ply is helically wound about the tube and secured thereto. All of the plies except for the outer paperboard ply are adhered together with substantially full-coverage adhesive as in conventional cores. However, the outer paperboard ply is arranged to be readily peelable from the tube so that it (along with the inorganic material thereon) can be removed from the tube. The tube can be recycled (e.g., repulped and made into recycled paperboard or the like). The outer paperboard ply and inorganic waste can be disposed of in a landfill, and even though an increased fee may apply, the total weight is greatly reduced such that the fee is substantially reduced relative to the fee for disposing of the entire core. | 04-08-2010 |
20100167889 | CORE INTENDED TO BE USED AS A SUPPORT FOR A ROLL OF PAPER - A core intended to be used as a support for a roll of paper, especially toilet paper, is formed by winding at least one strip made of tissue, the strip being impregnated, at least locally, with starch so as to improve its stiffness. Thus configured, a core is provided having both a mechanical strength suitable for the envisaged use and a greatly improved ability to disintegrate relative to a cardboard core so as to allow it to be able to be disposed of directly in a toilet bowl without risk of blocking the soil pipe. | 07-01-2010 |
20100190624 | PU-ROLL AND METHOD TO PRODUCE SAME - The present invention relates to a method for producing a roller shell or roller covering of a roller from a PPDI-based polyurethane. To avoid stress cracks, the intention is to overcome the inadequacy in green strength as quickly as possible by the hardener that is added to the polyurethane bringing the pot time down to 5 to 60 seconds. The present invention also relates to a PPDI polyurethane for producing a roller shell or roller covering of a roller formed by mixing a PPDI prepolymer with a hardener, in particular for carrying out the method, wherein 60 to 99% by weight of the hardener is 1,4-butane diol, at most 40% by weight is diamine and at most 1% by weight is a catalyst. | 07-29-2010 |
20100234200 | CONVEYING ROLL, AND HEARTH ROLL IN A CONTINUOUS ANNEALING FURNACE - The present invention provides conveying rolls and hearth rolls in a continuous annealing furnace for producing steel sheet having flame sprayed coatings on their surfaces wherein the flame sprayed coatings are comprised of cermet having a ceramic ingredient content of 80 vol % or less or a heat resistant alloy, the flame sprayed coatings have oxide layers comprised of one or more of a flame sprayed metal, Cr, Si, Zr, or Al, and a ratio R/R1 of the roughness parameter R of the surface of the oxide layer measured based on JIS B0633 setting the cutoff value at an initial value and a roughness parameter R′ measured setting the cutoff value at 1/10 of the initial value is 4 or more. | 09-16-2010 |
20110053741 | CORONA ROLLER AND METHODS FOR PRODUCING A CORONA ROLLER - Corona roller comprising a cylindrical base body and a roller cover of dielectric material, and method for producing it. The roller cover includes a layer of thermoplastic material, e.g. polyamide, applied onto the outer surface of the base body. Solid (powder) particles having electrically insulating characteristics are imbedded in the material matrix of said layer in the vicinity of the surface thereof in a form-locking manner such that merely a partial region of said particles protrudes from said inner layer. A hard, wear- and corrosion-resistant surface is formed at the outer side of the layer of plastic material, said hard, wear- and corrosion-resistant surface likewise having electrically insulating characteristics. For producing the corona roller, the layer of thermoplastic material is heated to a viscosity similar to that of honey. Preferably, a layer of oxide ceramic then is applied by thermal spraying, wherein the first powder particles thereof are shot into the heated layer of plastic material and subsequent particles form an outer functional layer. Alternatively, insulating particles of solid material may be dispersed into the heated layer of plastic material and may be ground thereby forming the wear-resistant surface. | 03-03-2011 |
20110275502 | ELECTRICALLY CONDUCTIVE MEMBER FOR ELECTROPHOTOGRAPHIC PRINTER APPLICATIONS - An electrically conductive roller, belt or mat having an elastomer composition comprised of a carbon nanotube rubber composite material. Specifically the invention relates to an electrically conductive roller, belt or mat having an elastomeric material composition comprised of a carbon nanotube silicone rubber composite material utilizing a liquid silicone rubber with very small loadings of carbon nanotubes. | 11-10-2011 |
20120157277 | FUSER MEMBER - The present teachings provide a fuser member. The fuser member includes an outer layer comprising a composite of a fluoropolymer and a networked siloxyfluorocarbon polymer. | 06-21-2012 |
20130143725 | ROLLER AND METHOD FOR MAKING SAME - A roller includes a cylindrical main body, a resin coating formed on a peripheral side surface of the main body, and a plurality of micro recesses defined in the resin coating. The resin coating is a polymer resin coating having the molecular chain with fluorine element. A method for making the roller and a system for making the roller are also provided. | 06-06-2013 |
20130225380 | ROLLER FOR IMAGE-FORMING APPARATUS AND PROCESS FOR PRODUCING THE SAME - Provided is a roller for an image-forming apparatus which includes a base member and a fluororesin layer provided on an outer circumferential surface of the base member directly or through an adhesive layer, the roller for an image-forming apparatus being characterized in that the fluororesin layer contains phosphorus-doped tin oxide. The roller for an image-forming apparatus has a surface resistance capable of stably and effectively preventing the occurrence of electrostatic offsets, and also has an excellent releasing property. Also provided is a process for producing the roller for an image-forming apparatus, characterized by including the steps of applying a fluororesin dispersion containing an aqueous dispersion of phosphorus-doped tin oxide onto a base member or an adhesive layer disposed on an outer circumferential surface of the base member, and then sintering the fluororesin. | 08-29-2013 |
20150314504 | METHOD FOR PRODUCING ROLLER FOR OFFICE AUTOMATION EQUIPMENT - Provided is a method for producing a roller for OA equipment, with which a roller that degrades the quality of an image is not easily produced even in the case of using a fluororesin tube stored in a folded state. The method includes a close-contact step of inserting a fluororesin tube into a cylindrical mold, ensuring airtightness between the tube and an inner surface of the cylindrical mold, and subsequently performing deaeration to bring the tube into close contact with the inner surface of the cylindrical mold; a primer layer-forming step of applying an adhesive onto an inner surface of the tube that is brought into close contact with the inner surface of the cylindrical mold to form a primer layer; and a rubber layer-forming step of, after the formation of the primer layer, inserting a core bar into the cylindrical mold along a central axis of the cylindrical mold, injecting a rubber material into a gap formed between the inserted core bar and the tube, and subsequently vulcanizing the rubber material to form a rubber layer. The cylindrical mold and the tube used in the method satisfy a condition that a difference between an inner diameter of the cylindrical mold and an outer diameter of the tube is 3% to 10% of the inner diameter of the cylindrical mold. | 11-05-2015 |
20160026114 | SEMICONDUCTIVE ROLLER - A semiconductive roller is provided, which has a toner transport amount and a toner charge amount properly controlled, particularly, when being used as a developing roller, and is substantially free from imaging failure such as fogging and background smudging. The semiconductive roller is formed from a semiconductive rubber composition, and has an outer peripheral surface having a surface roughness defined by a roughness profile such that an arithmetic average roughness is not greater than 0.7 μm and a difference Rδc between vertical section levels at two different load length percentages (at a load length percentage Rmr1 of 25% and a load length percentage Rmr2 of 75%) is not greater than 1.2 μm. | 01-28-2016 |
20160130756 | ROLL - A roll for use in a machine for producing and/or further processing a fibrous web, such as a paper, paperboard, or tissue web, includes a roll cover having at least some sections or regions formed of a metal material and a coating formed on the roll cover. The coating is formed of a metal, ceramic and/or cermet material, or at least some sections or regions of the coating include one of those materials. An alloy region is situated between the roll cover and the coating. | 05-12-2016 |
492054000 | Specific metallic composition | 4 |
20100179039 | ROLLER BODY FOR A ROLLER FOR TREATING A MATERIAL AND METHOD FOR MANUFACTURING A ROLLER BODY - A roller body for a roller for treating a material, preferably a web material, which is cast from an iron base alloy which forms a radially interior zone ( | 07-15-2010 |
20110294636 | Roll for supporting and conveying hot material, process for producing the roll, process for repairing a worn roll, weld filler and welding wire for producing a build-up weld | 12-01-2011 |
20140038800 | HEARTH ROLL HAVING HIGH Mn BUILD-UP RESISTANCE - The hearth roll includes a thermally sprayed coating formed on the surface thereof. The thermally sprayed coating includes a nitride, an oxide, or a multiple oxide, and a matrix material composed of one or two or more metals. In the hearth roll having high Mn build-up resistance, the following expressions are satisfied: 3% by volume≦X | 02-06-2014 |
20140100096 | Thermal expansive aluminum guide roller and production method thereof - A thermal expansive aluminum guide roller includes: an aluminum guide roller base, wherein the aluminum guide roller base is coated by an irony layer, the irony layer is coated by a hard metallic layer. Preferably, the hard metallic layer is a nickel layer or a titanium layer. Aluminum is utilized because of a small density. With the light weight, inertia is small and a rotation speed can be adjusted rapidly for quickly adapting to different conditions while coating. A production method of the thermal expansive aluminum guide roller includes: a step of preparing the aluminum guide roller base, wherein the production method further includes steps of: A) preparing an irony sleeve; B) inserting the aluminum guide roller base into the irony sleeve; C) forming the irony layer; and D) forming a coating layer, wherein the irony layer is coated by a hard metallic layer. | 04-10-2014 |
492055000 | With leather or fabric cover | 1 |
20100210435 | ADAPTABLE FOAM ROLLER - A composite paint roller is provided for improving ease of cleaning, manufacture and adaptability of the same. The roller comprises an elongate cylindrical core, a sheath, and first and second end caps. The sheath is removably mountable about and frictionally engageable to the core. The core defines a core length and opposing open ends. The sheath defines an axial length and opposing sheath ends. The axial length of the sheath is greater than the core length with the opposing sheath ends being foldable and axially insertable into the opposing open ends to produce a radial compression of the sheath adjacent the opposing open ends. The radial compression creates opposing beveled ends of the roller. The first and second end caps each are attachable to the opposing open ends to secure the opposing sheath ends within the opposing open ends. | 08-19-2010 |
492056000 | With rubber or elastomer cover | 17 |
20080318748 | Electrical Conductive Roller - [Task] It is provide an electrical conductive roller capable of forming an elastic layer cheaply to largely reduce a product cost without sacrificing a dimensional precision of an outer periphery. | 12-25-2008 |
20090005225 | CHARGING ROLL - A charging roll includes a shaft and an ionically conductive elastic layer formed around the shaft. The ionically conductive elastic layer is formed of a rubber composition free of any electron-conductive agent and containing 0.7 to 1.0 parts by weight of a peroxide cross-linking agent per 100 parts by weight of an ion-conductive rubber. The ion-conductive rubber is formed of at least one of an epichlorohydrin rubber and a nitrile rubber, and a percentage of a rubber component in the ionically conductive elastic layer measured by thermogravimetric analysis is 90% or more by weight. | 01-01-2009 |
20090143209 | Flexible roller assembly - A compliant roller assembly comprising an elastomeric tube for rolling along a surface, which tube is inherently compliant to irregularities in the surface. Within the tube but smaller than the inner diameter thereof is a core apparatus comprising a non-rotating mounting element supportive of a plurality of idle rollers, extending from the mounting element in the direction of tube travel, the idle rollers making contact with the inner wall of the tube, preferably at a line orthogonal to the contact line of the tube with the surface being rolled. In a preferred embodiment, the core apparatus exerts no force vector toward the surface being rolled, the weight of the elastomeric tube itself exerting sufficient force. | 06-04-2009 |
20090176637 | OA APPARATUS ROLLER - The invention offers an OA apparatus roller that has a surface layer formed by applying fluororesin and baking it, that has various excellent properties without impairing the parting ability and thermal conductivity, and that is suitable for mass production. An OA apparatus roller is produced by forming an elastic layer and a surface layer in this order on a core metal. In the roller, the surface layer is composed of a plurality of fluororesin layers and has a thickness of 6 to 30 μm. An OA apparatus roller has a structure in which of the multiple fluororesin layers forming the surface layer, at least one layer is a fluororesin layer containing filler. An OA apparatus roller has a structure in which of the multiple fluororesin layers forming the surface layer, the outermost layer is a fluororesin layer containing no filler and at least one layer other than the outermost layer is a fluororesin layer containing filler. | 07-09-2009 |
20090312168 | Elastic Roll Cover, Covered Roll and Method of Manufacturing a Covered Roll - An elastic roll cover for manufacturing or finishing of a fiber web material has at least one layer of rubber mixture, wherein the at least one layer of rubber mixture contains synthetic fiber polymer in powder form. | 12-17-2009 |
20100167890 | OA APPARATUS ROLLER - The invention offers an OA apparatus roller that has a surface layer formed by applying fluororesin and baking it, that has various excellent properties with-out impairing the parting ability and thermal conductivity, and that is suitable for mass production. An OA apparatus roller is produced by forming an elastic layer and a surface layer in this order on a core metal. In the roller, the surface layer is composed of a plurality of fluororesin layers and has a thickness of 6 to 30 μm. An OA apparatus roller has a structure in which of the multiple fluororesin layers forming the surface layer, at least one layer is a fluororesin layer containing filler. An OA apparatus roller has a structure in which of the multiple fluororesin layers forming the surface layer, the outer-most layer is a fluororesin layer containing no filler and at least one layer other than the outermost layer is a fluororesin layer containing filler. | 07-01-2010 |
20110124478 | ELECTRICALLY CONDUCTIVE ROLLER - An electrically conductive roller which may easily obtain a desired surface roughness, and which has good setting property without problems such as high cost and compression set is provided. | 05-26-2011 |
20120283082 | ROLLER FOR SEALED HEAD AND PROCESS FOR MANUFACTURING - The object of the present invention is a manufacturing process for a roller composed of a metal core covered by an elastomer coating and having an axis of symmetry, this process involving a first winding of a first non-vulcanized elastomer sheet onto the core, a vulcanization. | 11-08-2012 |
20120309602 | METHOD FOR PRODUCING ROLLER FOR OFFICE AUTOMATION EQUIPMENT AND ROLLER FOR OFFICE AUTOMATION EQUIPMENT - Provided are a method for producing a roller for office automation (OA) equipment, the roller capable of realizing an increase in the printing speed and having a good releasing property, and a roller for OA equipment. The method for producing a roller for OA equipment, the roller including a fluororesin layer provided on an outer circumferential surface of a tubular base either directly or with an intermediate layer therebetween, includes the steps of preparing a fluororesin coating material containing a tetrafluoroethylene-perfluoroalkylvinylether copolymer (PFA) and polytetrafluoroethylene (PTFE) in a ratio of 99:1 to 50:50 (mass ratio); applying the fluororesin coating material onto an outer circumferential surface of a tubular base either directly or with an intermediate layer therebetween; baking the fluororesin coating material at a temperature of 340° C. or higher to form a fluororesin layer; and after baking, cooling the fluororesin layer at a cooling rate of 20° C./min or less. | 12-06-2012 |
20120316045 | CONDUCTIVE ROLLER AND MANUFACTURING METHOD THEREOF - Provided is a conductive roller in which dripping of a coating, in particular, a water-based coating during the manufacture thereof is restrained, and a manufacturing method thereof. | 12-13-2012 |
20120322637 | CONDUCTIVE ROLLER AND MANUFACTURING METHOD THEREFOR - Provided is a conductive roller whose resistance has a small environment-dependence, on the surface of the elastic layer of which the pore size is fine and the surface properties are excellent, and a manufacturing method therefor. | 12-20-2012 |
20130178348 | SILICONE RUBBER SPONGE AND RUBBER-COVERED ROLLER - Provided are a silicone rubber sponge that forms an elastic layer of a pressure roller of an image-forming apparatus, and that has a high mechanical strength so as to be used in a high-speed image-forming apparatus or a color image-forming apparatus, and a rubber-covered roller including the silicone rubber sponge. The silicone rubber sponge is produced by mixing expanded resin microballoons with a low-molecular-weight silicone rubber to prepare a compound A, mixing a high-molecular-weight silicone rubber with the compound A to prepare a silicone rubber compound, and heating the silicone rubber compound at a temperature lower than a softening point of the resin microballoons to cure the silicone rubbers. | 07-11-2013 |
20140100097 | URETHANE RESIN COMPOSITION AND A CONDUCTIVE ROLLER USING SAME - Provided is a urethane resin composition by which an electrically conductive roller which has a higher elasticity than ever and in which an air bubble in an elastic layer is fine can be obtained when the urethane resin composition is used for the elastic layer of the electrically conductive roller, and an electrically conductive roller using the same. The urethane resin composition comprises: a urethane resin having a carboxyl group on a side chain; a cross-linking agent having an epoxy group; and an ester composed of a sugar and an unbranched saturated fatty acid having 16 to 24 carbon atoms as a foaming agent. The saturated fatty acid is preferably a stearic acid. The urethane resin composition preferably further contains a foaming auxiliary. The sugar is preferably a sucrose. | 04-10-2014 |
20140243177 | Roll with an Elastic Roll Cover in a Paper or Board Machine - In a paper or board machine, an elastic roll cover for manufacturing or finishing of a fiber web material having at least one layer of rubber mixture, wherein the at least one layer of rubber mixture contains synthetic fiber polymer in powder form and less than 10 parts of weight of UHMWPE to 100 parts of weight of the elastomer matrix. | 08-28-2014 |
20150024915 | SHEET CONVEYING ROLLER - The inventive sheet conveying roller has a double-layer structure including a tubular outer layer and an inner layer inserted directly in the tubular outer layer without the intervention of an adhesive agent. The sheet conveying roller includes a roller body of a double-layer structure including a tubular outer layer ( | 01-22-2015 |
20160130098 | PAPER FEED ROLLER - A paper feed roller including an elastic layer composed of thermosetting polyurethane containing a plasticizer, wherein an amount of the plasticizer is within a range of 10 to 50 pts. mass based on 100 pts. mass of the thermosetting polyurethane, and a surface residual charge on the elastic layer is within a range of 90 to 170 V. The surface residual charge is a value determined by single-point measurement of a surface potential of the elastic layer. The measurement includes rotating the paper feed roller in a circumferential direction, electrifying the surface of the elastic layer with a corotron while rotating the paper feed roller, and measuring the surface potential at a center point on the paper feed roller in a roller axis direction in a position where the paper feed roller is rotated by 90 degrees from a position where the surface of the elastic layer is electrified. | 05-12-2016 |
20160137440 | ROLLER - There is provided a roller including: a roller body part; and a rubber part attached to the roller body part, the rubber part including: a rubber body part provided on an outer circumference of the roller body part; and a side extending part extending on a side face of the roller body part from a side face of the rubber body part, wherein the roller body part has a recess portion formed on the side face of the roller body part, and into which the side extending part is fitted. | 05-19-2016 |