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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7229398 | Circular-shaped metal structure and method of fabricating the same A circular-shaped metal structure is fabricated by plastic-working and has a wall thickness in the range of 0.03 mm to 0.09 mm both inclusive. A film composed of one of (a) silicon and fluorocarbon resin and (b) copper is coated on a surface of the circular-shaped m... | 06/12/2007 |
| 7207933 | Carburized roller member made of high carbon chromium steel A roller member comprising high carbon chromium bearing steel having a carburization treatment. The bearing steel comprising a surface portion defined as a range between a surface of a rolling face of the roller member to a depth where a maximum shearing stress acts... | 04/24/2007 |
| 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 |
| 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 |
| 6908420 | Dimensionally stabilized roller body A roller body for a roller, for pressure-treating or temperature-treating or combined pressure- and temperature-treating a web-shaped medium, for example paper, includes a casting body made of an iron-based alloy comprising graphite lamellae. Particular regions of t... | 06/21/2005 |
| 6892455 | Stationary roller shaft formed of a material having a low inclusion content and high hardness An improved stationary roller shaft of a gear assembly for an air turbine starter is provided. The air turbine starter may be used to start a gas turbine engine, such as may be found in aircraft, ships and military vehicles. The stationary roller shaft is formed of ... | 05/17/2005 |
| 6884205 | Non-marking web conveyance roller A non-marking web conveyance roller has a generally irregular surface with a plurality of rounded up features that promotes superior venting of entrained air. The surface finish of the roller, formed by a thermal spray process, prevents the formation of impression a... | 04/26/2005 |
| 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 |
| 6805757 | Casting material for indefinite rollers with sleeve part and method for producing the same A method of the production and processing of alloyed casting material for a working part of an indefinite chill roll, a corresponding casting material and a composite indefinite chill roll incorporating the casting material. The method comprises providing a melt of ... | 10/19/2004 |
| 6783485 | Roll of a paper/boardmaking machine A roll for a paper or board machine is produced by forming a tubular roll blank by bending out of a planar sheet or by means of centrifugal casting. The roll blank is first coated with a material having a modulus of elasticity and a density lower than those of steel... | 08/31/2004 |
| 6702924 | Main roll for an air press of a papermaking machine A roll for use in an air press assembly of a papermaking machine has a pair of ends associated therewith. The roll includes a pair of edge portions with each edge portion extending to one of the pair of ends. Each edge portion has an edge surface portion ... | 03/09/2004 |
| 6685612 | Developing roller A developing roller has a roller core, an electrically conductive layer provided on a circumferential surface of the roller core, and a covering layer provided on the outer circumferential surface of the conductive layer. The covering layer is formed by s... | 02/03/2004 |
| 6666806 | Elastomer-covered roller having a thermally sprayed permeable bonding material A elastomer-covered roller (10) is provided with an improved bond coating for bonding the elastomeric cover (14b) to the core (11b). At least one layer of material (21) is thermally sprayed on the core (11b) to form a rough surface having a roughness from... | 12/23/2003 |
| 6572518 | Cermet powder for sprayed coating excellent in build-up resistance and roll having sprayed coating thereon A cermet powder for thermal spray coating, which is sprayed on a roll surface of a conveyer roll inside a furnace for heat treating a high tensile strength steel strip thereby to form a coating film, comprises: an alloy powder containing 3 to 8 mass % of ... | 06/03/2003 |
| 6544156 | Elastomer roll for papermaking machine A method and apparatus for obtaining a desired nip pressure distribution profile in the cross direction of a paper web. The paper web passes through a nip, the latter defined by at least one elastomer covered roll, the covered roll having polarizable part... | 04/08/2003 |
| 6533492 | Joints for metallic members and structures formed using the same A joint for metallic members including a body portion and extending portion in one member and an opening in a second member. The body portion of one member at least partially overlaps the opening in the second member to create a joined opening. A bonding ... | 03/18/2003 |
| 6523262 | Elastomer-covered roller having a thermally sprayed permeable bonding material A elastomer-covered roller (10) is provided with an improved bond coating for bonding the elastomeric cover (14b) to the core (11b). At least one layer of material (21) is thermally sprayed on the core (11b) to form a rough surface having a roughness from... | 02/25/2003 |
| 6520897 | Resilient roll and process for producing such a roll Roll and process for producing roll including a hard roll core, and a resilient covering layer, including a matrix material, located on an outer side of the hard roll core. The matrix material includes a soft metal. The process includes producing a matrix... | 02/18/2003 |
| 6490793 | Method of manufacture of as-cast composite roll A method of manufacturing an as-cast composite roll by metallurgically bonding one or more rings of cemented carbide to a cast iron casing. The composite roll may be used for hot or cold rolling. The cast iron has the following composition in addition to ... | 12/10/2002 |
| 6471628 | Developing roller with porous surface A developing roller is provided with a roller core, an electrically conductive layer provided on a circumferential surface of the roller core, and a covering layer provided on the outer circumferential surface of the conductive layer. The covering layer h... | 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 |
| 6398702 | Roll having zirconia coating Rolls include a core and a stabilized zirconia-containing outer coating on the core. The outer coating can also include titania. The outer coatings have smooth finishes and controlled electrical properties. The outer coatings of the rolls can be finished ... | 06/04/2002 |
| 6394944 | Elastomeric covered roller having a thermally sprayed bonding material A elastomer-covered roller (10) is provided with an improved bond coating for bonding the elastomeric cover (14) to the core (11). At least one layer of material (15) is thermally sprayed on the core to form a rough surface having a roughness from 400 mic... | 05/28/2002 |
| 6374494 | Compound roll for thin cold rolled steel strip and method of manufacturing same The present invention provides a composite roll for cold rolling capable of rolling a cold-rolled steel strip having little edge drop, a cold-rolled stainless steel strip or a bright finish steel strip having excellent surface brightness or a silicon stee... | 04/23/2002 |
| 6290633 | Damping roller for printing presses and method for the production thereof A damping roller for printing presses and a method for the production thereof, wherein a heat injected microporous special steel coating is applied to a cylindrical base body, is described. The average pore body of said coating is approximately 5 μm. A t... | 09/18/2001 |
| 6270449 | Developing roller A developing roller has a core bar, an electrically conductive layer formed on the circumferential surface of the core bar, and a covering layer formed on the circumferential surface of the conductive layer. The covering layer includes a reaction product ... | 08/07/2001 |
| 6254976 | Electrophotographic charging member A charging member for amorphous silicon photoreceptors which can be supplied with a uniform and stable resistivity, exhibits an excellent durability and is insusceptible to variation of resistivity against environmental conditions, pinhole leak and contam... | 07/03/2001 |
| 6250221 | Imaging system having external drum and method for producing drum The present invention provides an extruded external drum for an imaging system. The external drum is extruded from a light-weight and strong material such as an aluminum alloy. The external drum includes a thin outer wall, a hollow cylindrical hub, and a ... | 06/26/2001 |
| 6244171 | Elastic coating for a calender roll, calender and process for operating the calender, and calender roll and method of forming the calender roll Calender and process for operating the calender, calender roll and process for forming the calender roll, and a coating for the calender roll. The calender includes at least one calender roll body, and an elastic coating coupled to the at least one calend... | 06/12/2001 |
| 6232000 | Abrasion, corrosion, and gall resistant overlay alloys An overlayer for a use on industrial components such as steel mill caster rolls which require enhanced abrasion, corrosion, and gall resistance. The overlayer has relatively lower carbon levels and relatively higher molybdenum levels relative to other all... | 05/15/2001 |
| 6206814 | Composite work roll for cold rolling The present invention provides a cold rolling composite work roll with an outer layer having excellent high abrasion resistance and spalling resistance. The outer layer of the cold rolling composite work roll comprises; 0.9-1.5 wt % C, 0.3-1.0 wt % Si, 0.... | 03/27/2001 |
| 6200248 | Roll for a paper or board machine A roll for use in the manufacture of paper and board, a press roll, in particular a center roll in a press, a backup roll for an extended-nip press roll, a hot press roll, or equivalent, which is in direct contact with a wet paper web, or a calender roll,... | 03/13/2001 |
| 6199281 | Method of preparing a hearth roll with a coating A method of preparing a hearth roll with a coating, including: plating a metal on a ceramic powder by using electroless plating; mixing the metal-plated ceramic powder and a metal powder to form a cement powder; and thermally spraying the cement powder on... | 03/13/2001 |
| 6158340 | Process for preparing removable metal sleeves for gravure printing machines A process for preparing removable metal sleeve for gravure printing machines has been carried out in which after treating the lateral surface of the cylinder with a separator product and after associating protective strips in closure of the through holes ... | 12/12/2000 |
| 6095957 | Roll for hot rolling having enhanced abrasion resistance and reduced carbide segregation High-quality high-speed steel roll which is markedly excellent in abrasion resistance and free of carbide segregation even in the case of production by centrifugal casting of economical benefit; it comprises an outer layer containing, by all weight ratios... | 08/01/2000 |
| 5944644 | Roll of winding equipment in rolling factory A roll of a winding equipment in a rolling factory is formed of a roll body, a hardened buildup substrate formed on a surface of the roll body, and a carbide-particle-dispersed-type autogenous-alloy-sprayed layer having a thickness of at least 0.5 mm and ... | 08/31/1999 |
| 5928441 | Hot rolling method of steel products and hot rolling roll for steel products A hot rolling method of steel products comprises rolling steel products while forming a film of an oxalate (such as iron oxalate, calcium oxalate and the like) on the roll surfaces which have contact with the steel products to be rolled and a hot rolling ... | 07/27/1999 |
| 5839495 | Method of manufacturing roll for hot rolling A roll outer layer material for hot rolling includes, as analyzed in weight percent, of 2.5-4.0% C, 6.0-20% Cr, 3.0-10.0% V, 0.6-5.0% Nb, 2.0-15% Mo, 3.0% or below Si, 3.0% or below Mn, C, V, Nb and Cr satisfying a following formula (1), 10.5(%)ࣘ6.5.C(%... | 11/24/1998 |
