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| Number | Title | Issue Date |
| 7082873 | Inexpensive, wash-free integrated cover for printing press transfer cylinders The invention is a simple, inexpensive, wash-free integrated cover for a printing transfer cylinder (preferably, but not necessarily, in a Komori press), comprising a flexible jacket covering permanently attached to a cylinder base cover. The invention provides adva... | 08/01/2006 |
| 7048011 | Printing press cylinder flexible jacket covering A flexible jacket covering for a printing press transfer cylinder having a low density selvage for attaching one edge of the jacket to a hook and loop attachment strip on the transfer cylinder. The covering is cut from fabric woven on a shuttleless loom. The fabric ... | 05/23/2006 |
| 6766738 | Cylinder jacket profile, method of producing an easy-clean layer on a cylinder jacket profile and printing press A cylinder jacket profile for impression cylinders or sheet transfer cylinders has uniformly distributed elevations with an easy-clean layer as a surface coating. The easy-clean layer has a thickness of less than 5 μm, in particular 1 μm, and a surface energy of l... | 07/27/2004 |
| 6389966 | Smoothing roller in a printing unit of a rotary printing machine The present invention provides a smoothing roller for a printing unit of a rotary printing machine. The smoothing roller is applied to the form cylinder downstream of the ink applicator roller in relation to the direction of rotation of the form cylinder ... | 05/21/2002 |
| 6335098 | Rotary press doctor An ink duct for use with a screen roller which comprises a working doctor blade and a closing doctor blade, wherein the working doctor blade has one or both sides partially or completely coated with an unreleasable coating of a low surface energy substanc... | 01/01/2002 |
| 6105499 | Transport drum in rotary printing presses A transport drum in a rotary printing press, having a covering for preventing a fresh printed product from being smeared when the printed product is being transported through the press, the covering being secured to the jacket surface of the transport dru... | 08/22/2000 |
| 5890430 | Impression cylinder having a multiple diameter and a sheet guiding foil An impression cylinder of a sheet-fed offset printing machine for first form and perfector printing has a multiple diameter and includes a dressing disposed on an outer cylindrical surface thereof for carrying a sheet on a previously printed side thereof,... | 04/06/1999 |
| 5829354 | Method and film for coating a transfer cylinder in a printing press A film and method for attachment of the film to the surface of a transfer cylinder of an ink printing press. A film base sheet coated with micro-particles of aluminum oxide is releaseably attachable to the outer surface of the cylinder by appropriate adhe... | 11/03/1998 |
| 5413044 | Sack net for printing press anti-smear transfer cylinder A ready-made fabric sack with an elastic string around the periphery of the sack opening to be placed over a transfer cylinder in a printing press. When placed over the transfer cylinder, the inherent resiliency of the fabric and string causes the sack to... | 05/09/1995 |
| 5397651 | Foil for covering an impression cylinder Foil for covering an impression cylinder of a rotary offset printing press for first-form and perfector printing is formed of a chemically and wear-resistant rigid support layer having good ink transfer behavior and having a structured surface with statis... | 03/14/1995 |
| 5272978 | Apparatus for stretching a cylinder blanket on a sheet transfer cylinder of a sheet-fed rotary printing press An apparatus for stretching a cylinder blanket on a sheet transfer cylinder of a sheet-fed printing press includes a tiltable member mounted on the cylinder. A first end of the blanket is first attached to the cylinder in a cylinder groove, the blanket is... | 12/28/1993 |
| 5219160 | Paper guide wheel A paper guide wheel for printing presses is formed to include an outer surface eccentric with respect to the axis of rotation of the wheel so as to form an air gap between the outer surface of the wheel and the paper as the paper is drawn thereover during... | 06/15/1993 |
| 5115740 | Sheet-feed drum in rotary presses An improved sheet-feed drum for guiding and transferring sheets in a rotary printing press is provided with a plurality of round brushes rotatably mounted in closely spaced relation on a plurality of longitudinally extending supporting rods disposed about... | 05/26/1992 |
| 5102744 | Metal foil electroformed with a master pattern, the master pattern per se, and method of manufacture A metal foil made by electroforming from a master pattern with the interposition of a negative form, and serving as packing for sheet guiding cylinders and/or drums of rotary printing machines, including a substantially planar member having one flat face ... | 04/07/1992 |
| 5090686 | Paper guide wheel A paper guide wheel for printing presses is formed to include an outer surface eccentric with respect to the axis of rotation of the wheel so as to form an air gap between the outer surface of the wheel and the paper as the paper is drawn thereover during... | 02/25/1992 |
| 5042383 | Impression cylinder with domelike surface portions of uniform height A sheet guiding cylinder of a rotary printing press includes a cylindrical member, at least the outer surface portion of which is formed of chemically resistant, wear-resistant and unyielding material and has a multiplicity of elevated solid surface porti... | 08/27/1991 |
| 5009160 | Transfer cylinder for printing press A transfer cylinder for a printing press having a film of polycarbonate bonded to the surface. The film has a matte surface over which a film of silicone is applied.... | 04/23/1991 |
| 4833984 | Impression cylinder surface for perfecting press A rotary printing machine has first and second printing couples for accomplishing recto and verso printing of a web. Each printing couple includes an inking unit, a plate cylinder and an impression cylinder. Each of these impression cylinders may selectiv... | 05/30/1989 |
| 4691632 | Method and apparatus for attaching anti-smear net to printing press transfer cylinder A skeleton wheel for a printing press has a pair of reel assemblies, one mounted axially along each of the leading and trailing edges of an opening extending the full axial width of the wheel, and to which the ends of an anti-smear fabric web are attached... | 09/08/1987 |
| 4690054 | Sheet feed drum for rotary presses A sheet feed drum for transferring sheets in a rotary printing press wherein the drum other contour is provided with an ink-repellent coating and two circumferentially spaced front and rear drum edges defining a duct therebetween which accommodates a shee... | 09/01/1987 |
| 4402267 | Method and apparatus for handling printed sheet material A skeleton wheel or cylinder for supporting freshly printed sheet material between printing stations or at the delivery station of a printing press is provided with a loosely retained ink repellent fabric covering for supporting and conveying the sheet ma... | 09/06/1983 |
| 4327135 | Sheet-guiding foil as a covering for impression cylinders A sheet-guiding foil as a sheath for an impression cylinder in rotary offset perfecting presses, one surface of the foil being smooth while the opposite surface thereof is formed with spherical calottes of equal height and of statistically uniform distrib... | 04/27/1982 |
| 4060238 | Device for the smooth and flutter-free feeding of sheets on sheet-fed machines, particularly offset printing presses A feed drum assembly for feeding sheets in succession to the impression cylinder of a lithographic printing press which includes a cylindrical mantle having an axially and circumferentially distributed array of spacers which are spaced radially outward fr... | 11/29/1977 |
| 4028783 | Idler roll for printing press drying stage A stiff tubular sleeve is externally coated with grit and is telescopically matingly rigidly supported by an idler roll of a continuous printing press. The sleeve and idler roll are detachably keyed together, by an internal clamping mechanism, against bot... | 06/14/1977 |
| 3996061 | Stilt material for pressure sensitive microencapsulated coatings Large diameter legume starch granules including starches derived from yellow field pea, Pisum sativum (var) and faba bean, Vicia faba L. (Leguminosae) which have been treated to remove protein and fiber, and to improve color are used to replace scarce arr... | 12/07/1976 |
| 3982484 | Roller moistening wick system for preventing dripping within a duplicating machine A roller wick is positioned to transmit moisture in an uphill direction by capillary action from a roller wick reservoir to an inked paper roller drive means. A thicker relay wick transmits relatively large amounts of fluid from a relay wick reservoir, po... | 09/28/1976 |