| Patents for B41F 21 - Devices for conveying sheets through printing apparatus or machines (4,769) |
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| 07/31/2008 | DE4427448B4 Einrichtung zum berührungsfreien Führen bogenförmigen Materials Means for performing non-contact sheet material |
| 07/31/2008 | DE102007004956A1 Sheet offset-rotary printing machine, has sheet transport system coupled either with transfer drum of subsequent processing module or another sheet transport system, where subsequent processing device is assigned to former system |
| 07/31/2008 | DE102007003942A1 Gripper carrier guide for displaying of printing machine, has gripper carriage, which is connected with two parallel endless conveyor chains driven by drive chains and arranged at each side by chain pin |
| 07/31/2008 | DE102007003881A1 Sheet-guiding cylinder for use in printing machine, comprises ejector device for drawing sheets, which is guided at leading edge and is provided with slot hole and is guided by stationary pin, which is attached to slot hole |
| 07/31/2008 | DE102007003465A1 Vorrichtung zur Führung von Bogenmaterial in einer Verarbeitungsmaschine Device for guiding sheet material in a processing machine |
| 07/24/2008 | DE19841600B4 Bogenleiteinrichtung in Druckmaschinen Sheet guiding device in printing machines |
| 07/17/2008 | WO2008084191A1 Lithographic coating |
| 07/17/2008 | US20080170252 Image forming apparatus, image forming method and image forming program |
| 07/17/2008 | DE10023940B4 Vorrichtung zum Ausrichten bogenförmigen Materials während des Transports Device for aligning sheet-like material during transport |
| 07/16/2008 | CN201086446Y Multi-use printing surface processing apparatus |
| 07/12/2008 | CA2617751A1 Apparatus for laterally aligning printed products |
| 07/08/2008 | US7395991 Automatic support mechanism and use thereof |
| 07/03/2008 | US20080157466 Sheet stacking apparatus and image forming apparatus |
| 07/03/2008 | DE102007058290A1 Greiferbasismechanismus von Druckerpressen mit Bogenzuführung Gripper base mechanism of printing presses with sheet feeder |
| 07/03/2008 | DE102007058289A1 Vorrichtung zum Verstellen der Greiferbasishöhe von Druckmaschinen mit Bogenzuführung Device for adjusting the gripper base height of printing machines with sheet feeder |
| 07/02/2008 | CN201080034Y Anterior border paper feeding mechanism for servo corrugated cardboard printing machine |
| 06/26/2008 | DE102007057458A1 Device for supplying sheet to sheet processing machine, has paper feed platform, and pneumatic device that is arranged in paper feed platform for smoothing of sheet |
| 06/26/2008 | DE102007056880A1 Gripper arrangement for use in transfer drum, has torsion bar stressed in string such that bearing unit and flange supporting axial bearing lie in bearing in free-from-play manner, where torsion bar is provided in interior of gripper shaft |
| 06/26/2008 | DE102006061431A1 Sheet position correction device has control shaft parallel to gripper shaft, fixed to rotary body to exert force on elastically deformable part when turned by eccentric element to displace bearing block to compensate sheet position error |
| 06/26/2008 | DE102006061430A1 Device e.g. for driving oscillating arrangement, powers oscillating arrangement to feed table and has sheet covers and downstream drum and transported on oscillating shaft |
| 06/26/2008 | DE10162444B4 Vorrichtung zum gleichzeitigen Ansaugen und Transportieren eines Bogens An apparatus for simultaneously sucking and transporting a sheet |
| 06/19/2008 | DE19847399B4 Greiferwagen in Auslegern von Bogendruckmaschinen Gripper carriage in brackets of sheet-fed presses |
| 06/12/2008 | US20080136080 Image forming apparatus |
| 06/10/2008 | US7384035 Configuration for generating throttled blowing air or suction air |
| 06/10/2008 | US7383772 Guiding elements for a printing unit |
| 06/05/2008 | US20080128982 Gripper System for a Cylinder of a Sheet-Fed Printing Press Which Guides Sheets |
| 06/05/2008 | US20080128981 Printing medium feeding device, printing apparatus, and liquid ejecting apparatus |
| 06/04/2008 | EP1927472A1 Handling device for sheet material in a processing machine |
| 06/04/2008 | CN101190595A Liquid transfer apparatus |
| 06/04/2008 | CN101190594A Transfer roller for conveying a sheet |
| 06/04/2008 | CN101190589A Printing machine embossing roller grippers anti-loosing mechanism |
| 06/04/2008 | CN100391736C Delivery device for a sheet processing machine |
| 06/03/2008 | CA2435174C Apparatus for setting the lateral register for printing units of rotary presses |
| 05/29/2008 | US20080122169 Transfer Drum for Conveying a Sheet |
| 05/29/2008 | US20080121127 Gripper base mechanism of sheet-fed printing press |
| 05/29/2008 | DE102007052464A1 Transfer drum for use in sheet-fed printing press, has cylindrical shell-shaped supporting elements adjusted relative to drum body, and supporting elements for drum body arranged in movable manner |
| 05/29/2008 | DE102007051203A1 Sheet conveying device for printing machine i.e. sheet-fed printing press, has rear edge clamps guided along path on radial height of rear edge held in suction clamp after running at cylinder in opened condition |
| 05/29/2008 | DE102006055567A1 Sheet aligning device for sheet fed press, has actuator with rotor/motor shaft realizing rotational motion, and liner drive driving shaft in axial direction, where shaft synchronously follows rotating motion of cylinder |
| 05/29/2008 | DE102006055547A1 Sheet feeding and aligning device for sheet printing machine, has actuator formed as combination drive including linear drive that is driven to sheet retaining system in axial direction for realizing target position of side edge of sheet |
| 05/29/2008 | DE102006055546A1 Sheet feeding and aligning device for sheet printing machine, has rotor/motor shaft driven to cylinder by rotary movement, and linear drive driven to sheet retaining system by movement depending on actual position of side edge of sheet |
| 05/28/2008 | EP1729962B1 Printing process and machine |
| 05/28/2008 | CN201064968Y Single paper double-side double-color printer set |
| 05/28/2008 | CN101186142A Device for feeding pages through a printing technique machine |
| 05/21/2008 | EP1556218B1 Doctor blade devices for a strip-producing or strip-processing machine |
| 05/21/2008 | DE202007015615U1 Druckzuführeinrichtung eines Flexodruckers vom Satellitentyp Druckzuführeinrichtung Flexodruckers a satellite type |
| 05/15/2008 | DE4413238B4 Verfahren zum Zu- und Abführen von zu bedruckenden/bedruckten Bogen zu/von mindestens einem Druckwerk einer Bogendruckmaschine A method of supplying and removing print / printed sheets to / from at least one printing unit of a sheet-fed printing machine |
| 05/15/2008 | DE102007049380A1 Sheet turning device for e.g. multicolor sheet fed printing machine, has storage drum with gripper systems, which are arranged in channels, guidance elements covering channels, and turning drum with gripper system for accepting sheet |
| 05/14/2008 | CN201058520Y Biconjugate cam transfer papers mechanism |
| 05/14/2008 | CN201058519Y Sheet two-sided three color printing unit |
| 05/14/2008 | CN101177063A Method and apparatus for turning a sheet during its transport through a printing press |
| 05/14/2008 | CN101177062A Transfer drum for conveying of sheet of paper |
| 05/14/2008 | CN101177061A Method and apparatus for turning a sheet during its transport through a printing press |
| 05/13/2008 | US7372587 Ordered media jam recovery system and method |
| 05/13/2008 | US7370580 Control roller having speed-dependent pressing force |
| 05/13/2008 | CA2437689C Parallel processing high speed printing system for an inserting system |
| 05/08/2008 | US20080106026 Transfer Drum for Conveying a Sheet |
| 05/08/2008 | DE10335773B4 Bogentransporttrommel Sheet transport drum |
| 05/08/2008 | DE102007049643A1 Method for applying curvature during conveyance via a press machine |
| 05/08/2008 | DE102007048231A1 Sheet conveying method for printing, involves transferring sheet when grippers are opened and closed, and providing position of grippers of drums in transfer area depending on peripheral speed of drums |
| 05/08/2008 | DE102007048230A1 Transfer drum for conveying of sheet of paper, has engaging device engaging at ends of plate that is fixed in area opposite to gripper system at drum body over hinge, where ends are turned towards gripper system |
| 05/08/2008 | DE102006051279A1 Vorrichtung und Verfahren zur Veredelung von bogenförmigen Substraten Apparatus and method for processing of curved substrates |
| 05/08/2008 | DE102006050742A1 Sheet system driving device for sheet processing machine, has swinging system with swing that is driven by linkage, and drives attached to swing and driven within working cycle independent of each other in leading or lagging manner |
| 05/07/2008 | EP1918103A1 Device and method for finishing sheet-like substrates |
| 05/07/2008 | CN201056084Y Paper conveying bridge device |
| 04/30/2008 | DE102007047447A1 Sheet conveying method for sheet-fed printing press, involves moving sheet along conveying path, and restricting movement of sheet perpendicular to conveying direction at sheet margin by gripper systems before delivery |
| 04/30/2008 | DE102007046653A1 Sheet turning device for use in printing machine, has sheet support plate bridging intermediate gap between two grippers and arranged at two gripper fingers of gripper system of one of transmission drums |
| 04/30/2008 | DE102007045192A1 Pincer or plier-type gripper system pivoting and opening device for reversing drum of sheet-fed rotary printing press, has two stationary drive motors that are controlled or regulated in mutual dependence on each other |
| 04/30/2008 | DE102006050740A1 Device for driving sheet arrangement in sheet processing machine, has oscillating device, which collects sheets, supplied on feed table, where device transports downstream cylinder, supported on oscillating shaft |
| 04/30/2008 | CN201052693Y Paper locating device for printing machine |
| 04/30/2008 | CN201052690Y Impression cylinder for widening paper-gripping tooth sheet and tooth pad |
| 04/30/2008 | CN201052688Y Laser stamping transferring device |
| 04/30/2008 | CN201052686Y Four-color printing unit |
| 04/30/2008 | CN201052685Y Standard printing unit |
| 04/30/2008 | CN101168318A Drum for conveying a sheet |
| 04/30/2008 | CA2606921A1 Adhesion promoter application system in a printing machine and method for producing writing or note pads |
| 04/24/2008 | US20080092760 Device and Method for Driving a Reversing Gripper in a Sheet-Processing Machine, Reversing Drum and Printing Press |
| 04/24/2008 | DE102006052412A1 Drum or feeding cylinder for conveying sheet in printing machine i.e. sheet fed printing machine, has lift lying over clamping channel, and fastening device with clamping device engaging lift in region of channel and radially adjustable |
| 04/23/2008 | CN101164778A Stop position control method and apparatus of rotary stencil printing press |
| 04/23/2008 | CN100382965C Apparatus for printing flat articles produced from wood-fibre material |
| 04/17/2008 | DE102006048709A1 Paper sheet slitting device for rotary printing machine, has filler piece arranged in effective area of circular cutter in gripper channel of paper sheet guiding cylinder and supplementing casing contour of paper sheet guiding cylinder |
| 04/17/2008 | DE102006048081A1 Gripper system body for e.g. chain conveyor system, has surface profile designed as cavitation surface with hollow spaces, which comprise openings arranged at distance to one another and ending at cavitation surface |
| 04/16/2008 | CN201046872Y Chain-driven automatic paper feeding machine |
| 04/10/2008 | US20080084020 Image forming apparatus and method of feeding media sheet for use in the same |
| 04/09/2008 | CN201044984Y Single-side, double-side offset duplicator |
| 04/03/2008 | DE102007040139A1 Printing machine has paper transport drum fitted with internal drying system made up of radiation-producing units in groups which are automatically switched off if there is no paper above them on drum |
| 04/03/2008 | DE102007002030B3 Offset printing press has separate synchronized feeds for test sheets and for quality sheets |
| 03/27/2008 | DE102007041083A1 Sheet delivery arrangement for printing sheet processing machine has suction disks mounted on chain wheel shaft via sprung rollers loaded by springs |
| 03/27/2008 | DE102007040694A1 Method for changing over operating procedure e.g. for letter quality printing, involves holding control roller in position spaced away from control cam |
| 03/27/2008 | DE102007040131A1 Sheet-alignment device for aligning sheets in a printing machine has a pair of rollers, a drive unit, driving rollers and a unit for moving the driving rollers |
| 03/27/2008 | DE102006043258A1 Sheet rotating or turning device for e.g. electrophotographically operating printing machine, has changing device for changing twisting degree or twisting angle of common twisting of transportation belt or strap |
| 03/27/2008 | DE102006043053A1 Sheet conveying device for printing machine, has gripping carriage with sheet fixing units which are driven to track and guided to guide rail, and motor with rotor and stator and attached to carriage |
| 03/26/2008 | EP1556219B1 Guiding elements for a printing unit |
| 03/26/2008 | CN101148117A Method and device for converting the operation mode into double-surface print from face print |
| 03/25/2008 | US7347416 Apparatus for transporting a printing material sheet |
| 03/19/2008 | CN201036927Y Cards printing production numerically controlled cutting and reorganizing machine |
| 03/19/2008 | CN101146684A Liquid feeding device |
| 03/13/2008 | DE10101129B4 Vorrichtung zum Reduzieren von Schallemissionen A device for reducing sound emissions |
| 03/06/2008 | US20080054553 Sheet aligning device and image forming apparatus including the same |
| 03/05/2008 | CN201030668Y Automatic exporting mechanism for screen process press stock |
| 02/27/2008 | CN201027940Y Timing rubber-roll anti-reversion transmission device |