Quotables
"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8002687 | Method of reinforcing a roller cladding material and clad lehr roller Methods of reinforcing a fibrous roller cladding material, reinforced roller cladding materials and clad lehr rollers wherein the cladding comprises a reinforced fibrous material are disclosed. The roller cladding material, which comprises a fiber board, is reinforc... | 08/23/2011 |
| 7892160 | Double sleeved electrophotographic member The present invention provides a double-sleeved roller for use in an electrostatographic machine. The double-sleeved member includes a cylindrical rigid core member. A removable inner sleeve member (ISM) is provided that includes a compliant layer that surrounds and... | 02/22/2011 |
| 7393312 | Oiling roller assembly for a drum maintenance unit A mounting scheme for a drum maintenance unit oiling roller assembly utilizing an end cap keeps the roller center justified on the image and/or keeps the oiling part of the roller centered on the image through a wide range of roller variation. ... | 07/01/2008 |
| 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 |
| 7147596 | Low-mass roller or pulley A low-mass roller is disclosed comprising a cylindrical body formed of polymeric material and having an exterior surface, first and second open ends and defining an interior tubular space along a longitudinal axis therethrough for receiving an axle; and an outer she... | 12/12/2006 |
| 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 |
| 7125012 | Rotatable feed wheel for sheet converting machine A feed wheel includes a hub and a discontinuous tread removably fitted about the hub. At leading and trailing ends of the discontinuous tread are mateable non-planar female and male surfaces which interfit with one another and tend to interlock the tread ends togeth... | 10/24/2006 |
| 7094290 | Light guiding plate manufacturing apparatus and light guiding plate manufacturing method A light guiding plate is manufactured with accuracy and at low cost. This invention comprises a cylindrical roller, which has a heater built-in, rotating while fixing a stamper having a dot pattern formed on its surface, substrate fixing means for reciprocating alon... | 08/22/2006 |
| 6991328 | Medium transporting device and recording apparatus incorporating the same A follower roller is brought into press contact with a driving roller by a load having a predetermined value, thereby being rotated in accordance with a rotation of the driving roller to transport the medium clamped therebetween in a first direction. The follower ro... | 01/31/2006 |
| 6962333 | Roller and sheet delivery unit The invention provides a roller having excellent flexibility and wear resistance. The invention also provides a sheet delivery unit equipped with this roller. The unit is prevented from being clogged up with sheets due to rigidities of the sheets. Also, simultaneous... | 11/08/2005 |
| 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 |
| 6908419 | Conductive roll An electrically conductive roll includes a center shaft, an electrically conductive elastic layer formed on an outer circumferential surface of the center shaft, and a resistance adjusting layer formed radially outwardly of the electrically conductive elastic layer.... | 06/21/2005 |
| 6799511 | Gapless compressible cylinder assembly A gapless printing system includes a cylinder assembly and a printing sleeve. The cylinder assembly includes a compressible layer located between an inner shell and an outer shell. A support carrier is coupled to the inner shell about each of the first and second en... | 10/05/2004 |
| 6796233 | Plate cylinder with splined shell A plate cylinder has a cylinder body having a cylinder body outer surface for a first image to be printed and a first end, and a shell having an inner surface circumferentially disposed about the first end and having a gap for holding a printing plate, the shell bei... | 09/28/2004 |
| 6769363 | Device and method for manufacturing a tubular printing blanket A device for manufacturing a printing blanket includes a base sleeve, a liquid applicator applying a radiation-curing polymer to the base sleeve, and a radiation source curing the radiation-curing polymer. A method for forming a tubular printing blanket includes pla... | 08/03/2004 |
| 6769679 | Roller, sheet feed apparatus, and image forming apparatus A roller including: an outer peripheral portion coming into contact with a sheet; an inner peripheral portion; and a plurality of connection ribs for connecting the outer peripheral portion and the inner peripheral portion to each other, in which the outer periphera... | 08/03/2004 |
| 6692422 | Roll A roll has a base material layer, a front surface layer, and stress relaxation layer. The base material layer is made of low hardness rubber material and provided on an outer circumference of a metal core. The stress relaxation layer is provided on the ba... | 02/17/2004 |
| 6684783 | Method for imaging a media sleeve on a computer-to-plate imaging machine A computer-to-plate method and apparatus is described for imaging media sleeves by employing a laser-based imaging head in conjunction with a two stage mandrel comprising an expandable arbor and an intermediate sleeve. Most of the bulk of the mandrel is c... | 02/03/2004 |
| 6684042 | Charging device and image forming apparatus using the same In order to solve the problem, there is provided a charging device having: a roll-like charging member disposed in contact with a surface of a member to be charged and for charging the surface of the member to be charged; wherein: the charging member incl... | 01/27/2004 |
| 6669613 | Printing roller having printing sleeve mounted thereon roller A printing roller system includes a hollow, cylindrical mandrel which is closed at opposite ends thereof, with an air inlet in one end and a radial bore extending through the mandrel; journal members rotatably holding the mandrel; a resilient and compress... | 12/30/2003 |
| 6640711 | Bridge mandrel for use as a repeat builder in a printing machine A bridge mandrel includes an inner sleeve assembly comprising the inner laminate and an outer laminate secured on each side of an intermediate hardened foam layer. The inner laminate is of multi-ply form with inner plies of base and adhesive layers separa... | 11/04/2003 |
| 6629914 | Device for positioning a plate on a roll with magnetic fixing The invention concerns a device for positioning a plate (3) on a roll (1), in particular a chopper or folding roll. Said device is characterized in that the roll is provided with magnetic fixing means maintaining the plate on the surface thereof, and two ... | 10/07/2003 |
| 6619200 | Method for producing flexographic printing sleeves, and the sleeve obtained A method for producing sleeves for mounting flexographic printing plates, in which a flexible layered sleeve structure (1) is formed, selected parts (7) being removed from a first (4) of its layers, namely that which is to adhere to a printing cylinder, t... | 09/16/2003 |
| 6534196 | Refractory metal coated articles for use in molten metal environments The present invention relates to articles, having an extended useful life, which are used in contact with high temperature molten aluminum or molten zinc baths. One aspect of the invention encompasses articles, such as bearings, bushings, couplings or rol... | 03/18/2003 |
| 6482140 | Roller and method of producing the same A roller is structured so that one or a plurality of grooves are recessed on an outer peripheral surface of an outer race in a bearing, a part of a synthetic resin tire integrally adhered to the outer race of the bearing is inserted and welded within a gr... | 11/19/2002 |
| 6444065 | Method of making rotatable rolls of plastic material Rotatable plastic rollers are produced by either injecting between a roller shaft and an outer running roller layer a thermoplastic material which, during cooling down, shrinks toward the roller shaft and away from the outer running roller layer on accoun... | 09/03/2002 |
| 6428455 | Resilient roll A roll for smoothing a web and a method of making the roll. The roll includes a roll core having an outer surface, and a covering layer disposed on the outer surface of the roll core, the covering layer having an inner surface, an outer surface, and a rad... | 08/06/2002 |
| 6425327 | Method for forming a cylindrical photosensitive element A method for forming a seamless cylindrical photosensitive element on a flexible cylindrical sleeve wherein the flexible sleeve is mounted onto a sleeve support to isolate the flexible sleeve from high temperature and/or high pressure associated with form... | 07/30/2002 |
| 6408752 | Mounting printing plate cylinder to rotatable drive shaft A printing plate cylinder has a linear bearing press-fitted into its axial bore with the linear bearing having a ball-bearing surface for engaging a cylindrical rotatable drive shaft to permit axial and circumferential adjustments as needed.... | 06/25/2002 |
| 6393249 | Sleeved rollers for use in a fusing station employing an internally heated fuser roller A conformable roller for use in a fusing station of an electrostatographic machine, the fusing station being provided with a pressure roller and a fuser roller for fusing a toner image on a receiver, the fuser roller made from a plurality of layers surrou... | 05/21/2002 |
| 6393226 | Intermediate transfer member having a stiffening layer and method of using An intermediate transfer member (IT) roller for use in an electrostatographic recording apparatus comprising a core member; a compliant layer covering the core member; and a stiffening layer covering the compliant layer, wherein the stiffening layer inclu... | 05/21/2002 |
| 6390961 | Semiconductive silicone rubber roller Disclosed is a semiconductive rubber roller used as a developing roller in a photocopying printer machine exhibiting excellent performance and outstanding durability. The rubber roller is an integral body comprising (a) a shaft of a metallic material, (b)... | 05/21/2002 |
| 6341420 | Method of manufacturing a developer roller A Method of Manufacturing a Developer Roller in which a wetting agent is added to a polymer and graphite to ensure thorough dispersion of the graphite. The developer roller's performance is further improved by spray applying a surface layer of graphite an... | 01/29/2002 |
| 6299733 | Roll with composite material roll shell and head in a paper-making machine A paper-making machine includes at least one roll for carrying a fiber web or a belt. At least one of the rolls includes a shell formed from a composite material; a journal comprised of metal; and a head interposed between and interconnecting the shell an... | 10/09/2001 |
| 6284373 | Electrostatic fuser rolls and belts Heat rolls and fuser belts utilized in the fusing step of the electrophotographic process are disclosed. These belts and rollers eliminate toner offset while still maintaining excellent release characteristics of the printed page from the fuser. The heat ... | 09/04/2001 |
| 6280370 | Abrasion resistant surface coatings and method of forming same Hardfacing for a sugar mill roller is disclosed including a wear resistant material supported by a mild steel matrix and applied to the outer surface of the sugar mill roller. A method of hardfacing a sugar mill roller is also disclosed wherein a mild ste... | 08/28/2001 |
| 6250622 | Cylinder assembly for a folding apparatus of a rotary printing press The present invention is related to a paper conducting cylinder in a folder which is assigned to a rotary printing press such as a rotary newspaper printing press. A plurality of cylinder's surface sections (19) is mounted about the circumference of said ... | 06/26/2001 |
| 6171223 | Method for manufacture of a calender roll provided with an elastic coating and calender roll manufactured in accordance with the method A method for manufacturing a calendar roll in which a continuous band of filler material is wound onto an axle until a desired diameter for the roll is obtained, and then an elastic coating is applied to an outermost surface of the band, i.e., the outermo... | 01/09/2001 |
| 6108906 | Fixing device for an image forming apparatus and fixing roller for the same In a fixing device for an image forming apparatus, a heat roller includes a hollow cylindrical base, a heating layer formed of strip-like fibers implementing desired power consumption, and a parting layer provided on the outer periphery of the heating lay... | 08/29/2000 |
| 5952017 | Pressure roll, and molding apparatus using the pressure roll The present invention is directed to a pressure roll including a cylindrical core member having a center shaft, an intermediate layer surrounding the core member and formed from a flexible material, and an outermost layer surrounding the intermediate laye... | 09/14/1999 |
