...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 8328705 | 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... | 12/11/2012 |
| 8211000 | Conductive roller A conductive roller has a core and a conductive foam formed on a peripheral surface thereof. The conductive foam constitutes a three-phase rubber composition containing 35 to 50 parts by mass of epichlorohydrin rubber, 25 to 35 parts by mass of ethylene-propylene-di... | 07/03/2012 |
| 8092358 | Charging member, process cartridge and electrophotographic apparatus The present invention provides a charging member which can maintain excellent wear resistance even though being used repeatedly. In the charging member having a surface layer, the surface layer is a surface layer constituted by at least one selected from silsesquiox... | 01/10/2012 |
| 7766807 | Roller structure and method for the manufacture thereof A core is provided with a coating formed by an agglomerate obtained by hardening of a mixture comprising a granulated stone material, preferably of the type having a high hardness factor and light color, and a hardening resin, preferably an epoxy resin, for manufact... | 08/03/2010 |
| 7444106 | Fixing member by heating and fixing device in image forming apparatus A heat fixing member according to the invention has a surface layer formed on the surface of the substrate with a three-layer structure of a primer layer, an middle layer, and a topcoat layer. The binder-resin content decreases in order from the primer layer to the ... | 10/28/2008 |
| 7425125 | Roller for forming noodles and the like A roller (1) for forming noodles and the like (W) comprises a roller body (2), an intermediate layer (4) and a fluoropolymer layer (3). The intermediate layer (4) is formed from a thermally sprayed material with open cells such as ... | 09/16/2008 |
| 7378139 | Use of aminosilane as an adhesion promoter between a silcone layer and a fluoropolymer layer A layered structure, which may be used as a fuser member, comprises a first layer containing silicone; a second layer containing a fluoropolymer; and between the first and second layers, an adhesive layer comprising an aminosilane adhesive. In the layered structure,... | 05/27/2008 |
| 7366395 | Manufacturing method of die for optical element molding The invention relates to a manufacturing method of a die for molding an optical element. The manufacturing method comprising: forming the first film layer of an amorphous alloy having a super-cooling liquid phase onto a master transfer surface of a master die for mo... | 04/29/2008 |
| 7353605 | Method for producing a metallic core for use in cylinder sleeves for an electrophotographic process An improved method for producing a metallic core for use in the production of a blanket cylinder or an image cylinder sleeve for use in electrophotographic processes. The sleeves includes aluminum or other suitable metal, which is rendered more suitable for use as a... | 04/08/2008 |
| 7351307 | Method of dewatering a fibrous web with a press belt A method of dewatering a fibrous web in a paper machine including the steps of carrying the fibrous web on a side of a first fabric; contacting the fibrous web with a side of a second fabric, the fibrous web being between the first fabric and the second fabric; and ... | 04/01/2008 |
| 7331728 | Printer having a platen A printer includes a print head for printing on a print medium and a platen which supports the print medium, and is located opposite to the print head. The print head is linearly moved along the print medium. The platen includes first and second end portions and an ... | 02/19/2008 |
| 7276674 | Component for an image forming apparatus with designed thermal response The present invention provides a component that exhibits a designed thermal response which may be used in an image forming apparatus. The component may include a roller that contacts a heating device such as a fuser. ... | 10/02/2007 |
| 7239840 | Fixing member by heating and fixing device in image forming apparatus A heat fixing member according to the invention has a surface layer formed on the surface of the substrate with a three-layer structure of a primer layer, an middle layer, and a topcoat layer. The binder-resin content decreases in order from the primer layer to the ... | 07/03/2007 |
| 7219422 | Fabrication method of semiconductor integrated circuit device The fabrication of a semiconductor integrated circuit device involves testing using a pushing mechanism that is constructed by forming, over the upper surface of a thin film probe, a reinforcing material having a linear expansion coefficient (thermal expansion coeff... | 05/22/2007 |
| 7200935 | Work roll Improved work roll, particularly for use in closed gap rolling, has a composite structure comprising a cylindrical outer layer (14) made of steel, and providing the work surface of the roll, separated from a steel core (12) by an intermediate layer ( | 04/10/2007 |
| 7175738 | Automated fold and seal apparatus A folding and sealing apparatus supporting a feed platform for feeding a supply of pre-glued forms to the folding and sealing apparatus. The housing accommodating a first roller, a second roller, a third roller and a fourth roller, and the first and second rollers f... | 02/13/2007 |
| 7172543 | Conductive roller A conductive roller including a core metal and a conductive elastic layer disposed on a peripheral surface of the core metal. The conductive roller has an electrostatic capacity not more than 50 pF at 100 Hz and an electric resistance not less than 105Ω ... | 02/06/2007 |
| 7172544 | Conductive roller and image-forming apparatus having conductive roller A conductive roller including at least one conductive elastic layer 1 formed of a polymer composition includes a main-component polymer not containing chlorine nor bromine and containing polyether or/and a cyan group; and an anion-containing salt having a flu... | 02/06/2007 |
| 7158750 | Paper transport apparatus and paper transport method Provided are photosensitive body or bodies 31b carrying toner; transfer roller(s) 31d, rotating and coming in contact with photosensitive body or bodies 31b, for causing toner image(s) formed on photosensitive body or bodies... | 01/02/2007 |
| 7152322 | Toner supply roller A toner supply roller comprises a metallic core shaft and an electrically conductive elastic layer formed to surround the outer surface of the shaft. The conductive elastic layer is formed of open-cell polyurethane foam. The polyurethane foam is impregnated with an ... | 12/26/2006 |
| 7144525 | Elastic member of semiconductive polymer and OA equipment using the same An elastic member of a semiconductive polymer comprising a conductive composition containing a conductive polymer and binder polymer, wherein the elastic member satisfies both characteristics of (A) a variation of 1.5 digit or less between the electrical resistance ... | 12/05/2006 |
| 7143687 | Roller grill having rollers with a roughened surface A roller grill assembly includes a roller grill housing and a plurality of rollers that are rotatably mounted in the housing, each roller having an external surface. The assembly also includes one or more heating elements provided in each roller for heating the exte... | 12/05/2006 |
| 7146125 | Transfer roller with resistivity range An electrographic machine has a transfer station where a toner image is transferred to a receiver sheet. That sheet travels at a high speed of more than 15 inches per second and up to as high as 35 inches per second. A transfer roller has a metal core and an elastom... | 12/05/2006 |
| 7127200 | Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus A developing roller is provided having an elastic layer and a surface layer superposed thereon. The surface layer is formed of a resin material containing nitrogen atoms, and contains at least two types of particles, organic-compound particles (M) and organic-compou... | 10/24/2006 |
| 7086938 | Grinding segment and grinder stone The invention relates to a grinding segment comprising a ceramic part manufactured of grinding ceramic material and provided with a fastening hole, through which the grinding segment is attached to a frame of a grinder stone by means of a fastening bolt. A fastening... | 08/08/2006 |
| 7070552 | Electroconductive rubber roller An electroconductive rubber roller (10) whose outermost layer consists of a rubber layer (1) made of a rubber composition containing an ionic-conductive rubber as a main component thereof. The surface of the rubber layer consists of an oxide film; and ... | 07/04/2006 |
| 7052780 | Coated roll or cylinder and machine having same The invention provides a coated composite cylinder and a machine for making paper including a coated composite cylinder. On top of said composite cylinder (1) is drawn or extruded a metal casing (2), whose metal surface is modified with a metal treatme... | 05/30/2006 |
| 7051554 | Tightening a fiber roll cover Rolls for generally conveying sheets, such as of steel or glass over a roller typically have a steel mandrel and fiber-containing roll cover, with the fiber roll cover pressed between end plates. In a roll end assembly including the end plates there is now provided ... | 05/30/2006 |
| 7036429 | Rubber blanket cylinder sleeve for web fed rotary printing machines A transfer cylinder sleeve is provided for an offset printing machine including an inner carrier layer, a compressible layer and a covering layer, where at least one of the layers has a joint or a gap and provided that when a joint or a gap is used in the covering l... | 05/02/2006 |
| 7018512 | Roll, in particular, calender roll A paper processing roll for use in a calender of a paper-making machine which during operation can be exposed to increased temperatures is provided with a heat-treated surface which is produced by hot-grinding or hot-balancing or both. ... | 03/28/2006 |
| 7014604 | Paper machine roll cover A paper machine roll cover surface layer has a mixture of an elastomeric material and HDPE particles. The HDPE particles have surface modification to improve roll cover performance. ... | 03/21/2006 |
| 7010258 | High heat transfer fuser roller A high heat transfer efficiency fusing roller includes an annular elastomeric base cushion layer around a rigid cylindrical core member, with a high thermal conductivity layer around the base cushion layer, and a thin flexible release layer around the high thermal c... | 03/07/2006 |
| 6982116 | Coatings on fiber reinforced composites The invention is a coating and a method for applying coatings to fiber reinforced composite materials. A first polymeric layer, free of fibers and particulate, coats a fiber reinforced polymer substrate. The first layer joins the fiber reinforced polymer substrate t... | 01/03/2006 |
| 6951667 | Fuser member coating composition and processes for providing elastomeric surfaces thereon A method for providing a crosslinked fluorocarbon elastomer surface on a fuser member supporting substrate, which includes mixing together an acid acceptor, an emulsifier, water, and non-amino based crosslinker with a latex fluorocarbon elastomer, and the crosslinke... | 10/04/2005 |
| 6939279 | Tire for skew reducing roller A roller assembly for a sheet material transport assembly is disclosed, wherein skewing of the transported sheet material relative to the transport assembly is reduced. The roller assembly includes an elongate shaft having a compliant layer disposed about the shaft.... | 09/06/2005 |
| 6935995 | Roller for fluid film preparation or application The invention relates to a roller for fluid film preparation, such as for offset printing, having an inside core, a first layer which surrounds the core and has a first hardness, and a second layer which surrounds first layer A and has a second hardness different fr... | 08/30/2005 |
| 6935993 | Roll The invention relates to a roll, including a roll tube that is supported exclusively, at least in radial direction, in an axially central area on a continuous roll support, whereby outside of the central area the roll tube is positioned at a distance A from the roll... | 08/30/2005 |
| 6935994 | Fixing roller The present invention provides a fixing roller capable of satisfying releasing ability and scratch resistance all together. The fixing roller comprises a core 16, a primer layer 18 applied on the periphery of the core 18, and a fluororesin top l... | 08/30/2005 |
| 6918866 | Conductive roll An electrically conductive roll includes a shaft body and at least a conductive elastic layer formed by extrusion on an outer circumferential surface of the shaft body. The conductive elastic layer is formed from at least one conductive rubber composition which incl... | 07/19/2005 |
| 6915569 | Method of manufacturing an anilox roller for a flexographic printing press A method of manufacturing an anilox roller, in particular for a flexographic printing press, the anilox roller comprising a cylindrical core and a sleeve detachably held on the core and having at its surface an anilox layer with a grid pattern of pits, including the... | 07/12/2005 |