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| Number | Title | Issue Date |
| 8052589 | Sheet conveying roller, sheet conveying apparatus, and image forming apparatus A shaft of a sheet conveying roller is a pipe shaft. Both ends of the pipe shaft are formed into small-diameter portions, and a mounted portion on which a friction member is provided is formed into a large-diameter portion, which has a diameter larger than a diamete... | 11/08/2011 |
| 7766806 | Method for the production of a rotating member and rotating member of a printing press A rotating member of a printing press is typically a cylinder that is provided with a circumferential area. A securement channel or a flow channel, which is at least partly open toward the circumferential area of the cylinder, is formed in the cylinder. A profiled m... | 08/03/2010 |
| 7628745 | Pressure cylinder in the form of a hollow cylinder made of metal An impression cylinder in the form of a hollow cylinder made of metal, e.g., aluminum, for printing machines, having an essentially constant wall thickness over its length. The cylinder may have a predetermined inner diameter and may have various different outer dia... | 12/08/2009 |
| 7374640 | Grooved surface belt or roll and method of fabrication The present invention is a grooved belt, or surface roll where applicable, and a method for making these belts or rolls, comprising placing a chemically reactive material on a partially completed belt surface, and depositing an elastomeric material onto the chemical... | 05/20/2008 |
| 7318796 | Two-layer drum cover made of a metal alloy in the warp directions and a plurality of metal alloys in the shute directions on both front and back surfaces A two-layer drum cover and a method of producing the same are provided. The two-layer drum cover includes a backing wire constructed of a relatively high grade metal alloy in the warp direction and alternating relatively low grade metal alloys in the shute direction... | 01/15/2008 |
| 7305732 | Paint roller with shield A paint roller sleeve includes an inner tube, an outer pile surface, an end cap, a circular disk shaped shield disposed between the end cap and the inner tube, and a foam disk disposed between the shield and the pile surface. ... | 12/11/2007 |
| 7261680 | Stress and/or temperature-indicating composition for roll covers An industrial roll includes: a substantially cylindrical core and a cover overlying the adhesive layer. The cover typically comprises a polymeric top stock layer which comprises a mixture of a polymeric material and at least one of a piezochromic material and a ther... | 08/28/2007 |
| 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 |
| 7086128 | Seam assist attachment device A method of assisting in the seaming of a papermaker's fabric using a seam assist device is disclosed. The seam assist device is comprised of two portions. Each portion having an attaching edge that is attached to a predetermined distance from the ends of the fabric... | 08/08/2006 |
| 7070551 | Device for producing a packaging material Impression roller (10) for a laminating machine for producing a packaging material which comprises a carcass layer (40) consisting of paper or carton, which carcass layer exhibits through holes (42), and which carcass layer exhibits, on one of i... | 07/04/2006 |
| 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 |
| 7014733 | Belt for shoe press and shoe calender and method for forming same A method of producing an endless belt includes the steps of: securing axial fibers relative to a mandrel, the axial fibers being spaced apart from one another at desired intervals and extending substantially parallel to a longitudinal axis of the mandrel; applying a... | 03/21/2006 |
| 7008513 | Method of making a papermaking roll cover and roll cover produced thereby The present invention is a method for making a roll cover and a roll cover, wherein at least one material is applied to the surface of the roll or a base substrate. In a first embodiment, a single material is applied as a flowable phase. A uniform coating of the mat... | 03/07/2006 |
| 7007581 | Cutting mat for a rotary anvil A rotary anvil is outfitted with pins protruding from the base of an axially extending channel along the surface of the anvil. A cutting mat having a generally elongate body includes first and second locking members projecting from opposite axial ends thereof. The c... | 03/07/2006 |
| 6976284 | Paint roller cover extender The paint roller cover extender is a paint roller cover accessory that would allow the corner areas of a room to be painted in one motion using a conventional paint roller. The product would feature a cylindrical cap having the same diameter as a roller cover, a clo... | 12/20/2005 |
| 6942607 | Charge roller of developing device for image forming apparatus A charge roller utilizes a foam rubber substance where epichlorohydrin oxide rubber and an acrylonitrile butadiene rubber are mixed at a ratio of 5:95, or utilizing a crosslinking rubber substance made of epichlorohydrin oxide rubber and acrylonitrile butadie... | 09/13/2005 |
| 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 |
| 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 |
| 6932888 | Flexible press cover and shoe press roll with such a flexible press cover A flexible press cover which has an additional strengthening element in at least one of its two end regions. As a result, in the end region, the tensile strength and the tensile rigidity in the circumferential direction are increased with respect to that hitherto kn... | 08/23/2005 |
| 6929575 | Pulley A pulley comprises a disk and an insert. The insert is fitted into the center of the disk integrally. Linear expansion coefficient of the disk is larger than the same of the insert. A concavity is formed on a periphery surface of the insert so that both side surface... | 08/16/2005 |
| 6918865 | Roll cover A paper machine roll cover surface layer has a mixture of an elastomeric material and between about 10 phr and about 24 phr UHMWPE particles. ... | 07/19/2005 |
| 6918195 | Drum device with permeable drum jacket and wire gauze mounted thereon under pretension It is known from the art to mount a wire gauze (10) onto a drum (1) with a permeable drum jacket (8) under pretension, for example, for allowing air to flow through a web of material placed on said drum, said wire gauze optionally being disposed... | 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 |
| 6910415 | Printing unit cylinder for a rotary printing machine A printing unit cylinder is subject to only low deformation in the event of operationally induced increases in the temperature of the printing unit. At least the barrel of the body of the printing unit cylinder is produced from a metallic material with a linear coef... | 06/28/2005 |
| 6896647 | Elastic roller and process for producing same Elastic roller and process for producing elastic roller. The elastic roller includes a hard roller core and an elastic coating layer at an outer side of the hard roller core. The elastic coating layer includes an elastic matrix material and fillers imbedded in the m... | 05/24/2005 |
| 6880456 | Polymer coating and a method for adjusting the properties of the polymer coating of a roll or a belt The invention relates to a method for adjusting the properties of the polymer coating (2) of a roll or a belt (3), whereby the roll or the belt is used for calendering a fibrous web (4) in a roll nip (N), which is formed between the roll or the ... | 04/19/2005 |
| 6823787 | Expandable layer made of compressible material An expandable layer made of compressible material placed in a rotary printing from between a core cylinder and a sleeve. An embodiment includes depressions on the outer circumferential surface and/or the inner circumferential surface of the expandable layer. The dep... | 11/30/2004 |
| 6799510 | Thin-walled bridge mandrel A lightweight, low-cost bridge mandrel applicable to the Flexographic printing process is adapted for mounting on the outer surface of a shaft or roller. The mandrel preferably includes a thin-walled, cylindrical metal tube having an inner surface, an outer surface,... | 10/05/2004 |
| 6776744 | Method for and devices used in covering a roll core with a resin infused fiber reinforced adhesive under layer and a polymeric top layer, the method including the use of an improved mold tape The invention includes a method for producing a covered roll having a reinforcement fiber mat under layer infused with low viscosity thermoset resin and a smooth high temperature, high performance polymeric outer layer. The mat is formed of a plurality of layers, ea... | 08/17/2004 |
| 6687999 | Method for manufacturing ink dispensing roller A construction of ink dispensing roller is described in which a porous ink metering layer extends around a peripheral surface of a porous ink reservoir. To prevent relative movement between the ink metering layer and the ink reservoir, the ink metering la... | 02/10/2004 |
| 6688226 | Sleeve for blanket cylinder of an indirect or offset printing machine and method of making said sleeve A sleeve to be drawn over a rotary support in order to define a blanket cylinder of an indirect or offset printing machine, this cylinder cooperating with a lithographic plate cylinder from which it receives the date to be printed and with a substrate ont... | 02/10/2004 |
| 6668711 | Elastic roller, method for producing same device for smoothing paper and method for smoothing paper The present invention concerns an elastic roller for smoothing a paper web, wherein the roller has a hard metal core, an elastic matrix coating material thereon and an outer layer of memory metal, and is comprised especially of metal is described. The pre... | 12/30/2003 |
| 6604462 | Sleeve for pressing rollers A sleeve for pressing rollers consists of an internal tube made of expandable material whose inside diameter is adapted to the diameter of the roller that is intended to carrying said material and that is connected with an outer dimensionally stable casin... | 08/12/2003 |
| 6599396 | Texturing roller in a paper machine There is disclosed a roller (10) for a texturing press on a papermaking machine adapted to be fitted with an interchangeable engraved sleeve (12) and comprising a cylindrical shell (20, 21) having a plurality of axially and circumferentially spaced apertu... | 07/29/2003 |
| 6584688 | Processes for manufacture of a press jacket Process for manufacturing a roll press jacket, wherein the roll press jacket includes a hollow cylindrical sleeve made of an castable elastomeric material containing at least one crystallization component, the sleeve has an interior cylindrical surface an... | 07/01/2003 |
| 6539629 | Roller shaft on computer character-cutting device and method to manufacture the same A method for manufacturing a roller shaft of a computer character-cutting device and the roller shaft itself are disclosed, wherein, an engaging belt having on the surface thereof etched tooth grains is wrapped over the roller shaft, laser welding is proc... | 04/01/2003 |
| 6471627 | Heat-shrinkable UHMV polymer film, tubing, and roll covers The present relates to the heat shrinkable thermoplastic materials which are used as roll covers. The heat shrinkable materials used for the roll covers include only ultra high melt viscosity polymers, having a melt viscosity too high for conventional mel... | 10/29/2002 |
| 6435087 | Printing press cylinder having metal foam interior and method of making A printing press cylinder for a rotary printing press is light in weight and has vibration dampening properties. A metal foam filling is placed inside the cylinder.... | 08/20/2002 |
| 6435069 | Rotary die cutting cover A cover for a rotary die is centrifugally cast with multiple layers to substantially eliminate stress when the cover is cast in an arcuate shape for use in a die cutting system. A locking mechanism attached to ends of the cover is designed to be convenien... | 08/20/2002 |
| 6432031 | Roll having a composite cover The problems caused by chemical and thermal shrinkage of hard roll covers, are reduced by the inclusion of one or more intermediate compressive layers between a roll core base and cover. The compressive layer has the properties of being rigid enough to al... | 08/13/2002 |
