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| Number | Title | Issue Date |
| 7475634 | Printing press comprising coupled inking unit and printing form changing device A printing press is comprised of at least one printing cylinder. A displaceable inking unit and a displaceable plate changing device can alternatingly be placed against the printing cylinder or can be moved out of contact with it. The inking unit and the plate chang... | 01/13/2009 |
| 7421948 | Method and device for adjustment of the transfer of printing ink and a method for the application of the device An adjustment of a transfer of printing ink is accomplished by arranging a first roller in an inker unit and by using that first roller to transfer ink to a forme cylinder. A temperature is adjusted on an outer surface of the first roller by the use of a first tempe... | 09/09/2008 |
| 7398730 | Printing cylinder support unit, positioning element, printing cylinder provided with positioning element, printing machine provided with printing cylinder support unit, and its use The printing cylinder support unit for a printing machine according to the invention comprises a support frame, supporting means mounted on the support frame, and one of a plurality of positioning elements. The supporting means comprise displacement means and at lea... | 07/15/2008 |
| 7236730 | Dampening mechanism for an image forming apparatus There is provided a system and mechanism for substantially reducing or substantially eliminating vibration or noise of a doctor blade of an image forming apparatus during operation. The system and mechanism provided includes at least one contact in communication wit... | 06/26/2007 |
| 7207268 | Apparatus and method of enhancing printing press cylinders A printing press cylinder and a method of manufacturing the same. The printing press cylinder includes a rigid base member having a reduced radius section and a polymer layer formed about the rigid base member generally within the reduced radius section. The polymer... | 04/24/2007 |
| 7199885 | Generic interface A system and process for ensuring the smooth flow of electronic ink is described. Dynamic rendering is give priority over other event handlers. Priority may be the use of one or more queues to order when events occur and may be performing dynamic rendering prior to ... | 04/03/2007 |
| 7194214 | Patch density measuring apparatus and image forming apparatus When a regular reflection light receiving unit is receiving a reflected light in a non-image area where the test patches are not formed, a clamp switch is closed. Then, a first reference voltage generated by a pull-up resistor and a zener diode is corresponded to an... | 03/20/2007 |
| 7134393 | Oscillation amount adjusting device for oscillating roller In an oscillating roller swing device including an oscillating roller, a rotating shaft having an inclined shaft portion, a cylindrical sleeve rotatably supported on the inclined shaft portion of the rotating shaft, a disk rotatably supported on the sleeve, and an o... | 11/14/2006 |
| 7131376 | Ink feeding method and ink feeding apparatus An ink feeding method includes a density reading step for reading density data obtained by measuring densities of detecting patches on a first image, before an end of a printing operation, a first computing step for computing, from the density data, an ink feed film... | 11/07/2006 |
| 7104197 | Oscillation amount adjusting device for oscillating roller An oscillation amount adjusting device for an oscillating roller has a sleeve detent plate for restraining the rotation of a sleeve. An operator manually loosens a sleeve locking bolt to render the sleeve rotatable relative to a rotating shaft supporting the sleeve.... | 09/12/2006 |
| 7082874 | Short inking unit A short inking unit for a planographic printing unit that has a compact design and is operable for transferring an ink film to a form cylinder with high uniformity and stability. This short inking unit includes an applicator roll arrangement having a plurality of ap... | 08/01/2006 |
| 7077064 | Methods for measurement and control of ink concentration and film thickness A process is disclosed to measure or monitor ink concentration or ink thickness of an ink film as printed on a printing press, which consists of measuring light reflected from the ink film and the ink substrate. ... | 07/18/2006 |
| 7057725 | Methods of inspecting flexographic and the like printing plates A method of assessing percentage dot in flexographic printing plates or the like includes superimposing the printing plate and a further, smooth surfaced sheet or plate of material of a reflective index greater than air, so that the “high” regions of the printin... | 06/06/2006 |
| 7000517 | Machine for cross cutting a material web A machine for cross cutting a material web has a main frame part unitarily formed with a pair of transversely spaced main sides and with at least one main traverse extending transversely between the main sides and a secondary frame part unitarily formed with a pair ... | 02/21/2006 |
| 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 |
| 6892637 | Self-inking stamp with ink cartridge barrier A stamp pad holder for use in a self-inking hand stamp. The stamp pad holder has a stamp die box that holds a stamp forming material, ink cartridge and plastic within the die box. The stamp forming material is placed at the bottom of the die box. A pre-inked ink car... | 05/17/2005 |
| 6877423 | Method to produce a printing form for rotogravure, printing form for rotogravure and their use In a method to produce a printing form for rotogravure, in particular for heliorotogravure, a surface of the formis provided with a wear-resistant layer and the surface is provided with cups. Furthermore, a printing form is provided whereby the surface of the printi... | 04/12/2005 |
| 6871590 | Inking system for a printing machine An inking system for a printing machine which has a relatively simple design and which is adapted for more stable ink transfer to a plate cylinder. The inking system includes an ink supply roller (15), one or more drivable inking unit rollers (14, 19),... | 03/29/2005 |
| 6832550 | Ink and dampening solution determination in offset printing An optical instrument for determining properties of the imaging and non-imaging areas of offset printing plates is disclosed. A laser light source (30) directs a laser beam (35) at the surface layer (50) of an offset printing plate (60). ... | 12/21/2004 |
| 6786152 | Dosing system for inking up rollers in a printing machine An ink metering system for a roller train in a printing machine which in the illustrated embodiment includes a fountain roller and a downstream train of rollers communicating with a plate or form cylinder of the printing press. One or more plating devices (12... | 09/07/2004 |
| 6782816 | Printing unit of a rotary printing press A printing unit for a rotary printing press utilizes form cylinders, blanket cylinders and ink cylinders and transfer rollers. Intermediate support rings are provided on these cylinders or rollers. ... | 08/31/2004 |
| 6698353 | Apparatus and method for lithographic printing utilizing a precision emulsion ink feeding mechanism A control system for regulating the composition of an emulsion ink made from an oil-based ink and a water-based fountain solution using a mixing and dispersing apparatus includes a liquid level sensor, means responsive to the liquid level sensor for maint... | 03/02/2004 |
| 6698352 | Inking apparatus control means for rotary press An inking apparatus controller includes an oscillating roller rotatable in a circumferential direction and reciprocatable along an axial direction thereof; an oscillation-width adjustment mechanism for adjusting an oscillation width of the oscillating rol... | 03/02/2004 |
| 6647875 | Roller structure in printing press A roller structure in a printing press includes a dampening form roller, gear, belt, belt roller, clutch member, nut, movable element, and snap rings. The dampening form roller is supported rotatably and adapted to come into contact with a plate cylinder ... | 11/18/2003 |
| 6647877 | Inking unit, particularly for an offset printing machine, having hard/hard smoothing roller configuration An inking unit includes a first smoothing roller, an ink feed unit constructed as an ink droplet generator for applying a metered quantity of ink to the first smoothing roller, by one of an indirect and a direct path, respectively, the indirect path being... | 11/18/2003 |
| 6644185 | Flexographic rotary platen printing press A flexographic rotary platen printing press for printing indicia on a web of flexible material moving along a longitudinal axis. The flexographic rotary platen printing press includes a print drum assembly that is affixed to a trolley that is moveable in ... | 11/11/2003 |
| 6595132 | Roller for a roller frame fitted with rollers and being in a rotary printing machine A roller for a roller frame fitted with rollers and being in a rotary printing machine, the roller comprising a roller shaft and a first rotational body freely rotatably mounted on the roller shaft and forming a roller body rotating during operation, the ... | 07/22/2003 |
| 6564707 | Multi-color printing method and system including a plurality of removable ink drums A multicolor printing method and system including a master making device having plurality of removable ink drums replaceable with each other and a printing device. The plurality of removable ink drums are fed with respective masters to be used for printin... | 05/20/2003 |
| 6543357 | Printing group of a rotary roller printing machine, preferably a rotogravure rotary roller printing machine An apparatus for supporting the shaft journals of a printing cylinder, that can be dipped into a dye vat, of a rotary roller printing machine, preferably a Rotogravure Rotary Roller Printing Machine, on support rolls for the purpose of exchanging the prin... | 04/08/2003 |
| 6530319 | Quick change ink roll A mounting system is disclosed for removably mounting rollers and cylinders in a machine for quick and easy removal and replacement by other rollers and cylinders. The mounting system provides for rapid separation of the journal from the roller or cylinde... | 03/11/2003 |
| 6513429 | Elastic belt metering device for a printing press The present invention includes an inking or other solution unit having a first roll, a second roll, the second roll having a lower surface speed than the first roll, and an elastic belt running over the first roll and the second roll in a fixed length pat... | 02/04/2003 |
| 6499399 | Pump inker unit A pump inker unit is used to supply inks of different color to an inking unit of a rotary printing press. An ink supply unit is supported for movement with respect to the inking unit of the press. Several pump inker units, each with their own color of ink... | 12/31/2002 |
| 6422143 | Flexographic preview printer A flexographic preview printer for duplicating conditions of a contemplated press run. The preview printer includes an inking unit and a printing unit. The inking unit has an ink roller and an anilox roller with a doctor blade for precision metering of th... | 07/23/2002 |
| 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 |
| 6378427 | Process and device for modifying the temperature of the inking unit of a web-fed rotary printing machine To effectively cool the inking unit of a rotary printing machine during a machine stop, the inking unit can be driven during the machine stop by at least one motor, with the rubber-covered ink transport rollers having contact with the temperature-modified... | 04/30/2002 |
| 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 |
| 6318165 | Device for measuring the stickiness of a flowable medium A device is disclosed for measuring the stickiness of a flowable medium, in particular a printing ink, which is led as a layer between two surfaces that can be moved in the same direction, through a convergence zone, a pressure zone and a divergence zone;... | 11/20/2001 |
| 6314878 | Dampening system for offset printing press and method A dampening train of rollers in an offset printing press system for delivering dampening solution to a plate cylinder in which the dampening train of rollers is independent of and separate from an inking train of rollers which provide ink to the plate cyl... | 11/13/2001 |
| 6279474 | Method and device for transferring ink in a printing unit of an offset printing press Method for metered transferring of ink to an ink roller in a printing unit of a rotary offset printing press, wherein the ink is applied under pressure to a casing surface of the ink roller, includes determining digital data for effecting a two-dimensiona... | 08/28/2001 |
| 6230622 | Image data-oriented printing machine and method of operating the same A method of operating a printing machine and a printing machine apparatus in which basic knowledge about the interaction between operating media in the printing machine is obtained through printing trials or during production. This knowledge is stored in ... | 05/15/2001 |
