| Patents for B41F 21 - Devices for conveying sheets through printing apparatus or machines (4,769) |
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| 05/02/2002 | DE10145100A1 Lichtsensor für Bogenprodukte Light sensor for sheet products |
| 04/30/2002 | US6378862 Method of positioning sheet elements in the introduction station of a processing machine and a system for performing the method |
| 04/30/2002 | US6378434 Adjustable matte for handling sheets in a printing press and method of using same |
| 04/25/2002 | US20020046667 Sheet transport cylinder |
| 04/25/2002 | DE10139820A1 Sheet aligning device for printing machine comprises unit with section which can be moved to specific reference positions with respect to sheets, unit then being moved with sheets on it into working relationship with machine component |
| 04/24/2002 | CN1346051A Optic sensor for thin sheet products |
| 04/18/2002 | US20020043758 Delivery for a sheet processing machine, particularly for a sheet-fed printing machine |
| 04/18/2002 | US20020043169 Hopper gripper drum |
| 04/17/2002 | CN2486320Y Electric control paper feeding mechanism for offset printing name card and certificate machine |
| 04/17/2002 | CN2486319Y Paper feeding mechanism for offset printing name card and certificate machine |
| 04/11/2002 | DE10047247A1 Anordnung von Messeinrichtungen Arrangement of measuring equipment |
| 04/10/2002 | EP0968087B1 Printing press cylinder |
| 04/10/2002 | CN1343617A Paper receiving appts. of machine for processing plane printing objects |
| 04/09/2002 | US6367796 Sheet-like object feed unit in sheet-fed rotary printing press |
| 04/04/2002 | US20020038608 Device for transporting a sheet |
| 04/03/2002 | EP1193204A2 Light sensor for sheet products |
| 04/02/2002 | US6364311 Negative-pressure control for a lateral pulling device |
| 03/28/2002 | WO2001049596A3 Printing machine for processing sheets |
| 03/28/2002 | US20020036379 Method of setting guide elements for a flat material on the basic of printed-image information |
| 03/28/2002 | US20020035942 Method for transporting a sheet |
| 03/28/2002 | US20020035939 Printing quality inspection apparatus |
| 03/28/2002 | DE10045883A1 Ausleger für eine flechige Bedruckstoffe verarbeitende Maschine Delivery for a flechige substrates processing machine |
| 03/27/2002 | EP1190855A1 Printing quality inspection apparatus |
| 03/27/2002 | EP1190854A1 Arrangement of measuring devices |
| 03/27/2002 | CN1081539C Device for transferring single sheets to inpression cylinder of sheet fed ratory printing machine |
| 03/21/2002 | DE4326261C2 Greifereinrichtung für Rotationsdruckmaschinen Gripper device for rotary printing machines |
| 03/21/2002 | DE10042251A1 Control device for guide elements of sheet guide cylinders has two control cams with different curve laws |
| 03/20/2002 | EP1188701A2 Delivery apparatus for a machine processing flat printed materials |
| 03/20/2002 | CN1340417A Levelling device for planar-printed matter |
| 03/19/2002 | US6357741 Velocity adjustable grippers on sliding carriage |
| 03/14/2002 | WO2001066351A3 An adjustable matte for handling sheets in a printing press and method of using same |
| 03/14/2002 | DE10141415A1 Sheet guiding device for sheet-fed rotary printing press, has sheet guide with blast openings which include free jet nozzles and throttled air blast nozzles |
| 03/14/2002 | DE10133633A1 System for reducing friction between support and sheets of paper in processing machine comprise compressed air outlets in surface of support, outlets being fitted with throttle system, e.g. spiral air feed |
| 03/14/2002 | DE10043393A1 Vorrichtung zur Aufnahme von Blattstapel Device for receiving stacks of sheets |
| 03/14/2002 | DE10042888A1 Bogenleiteinrichtung Sheet guiding device |
| 03/14/2002 | DE10042887A1 Maschine zur Verarbeitung von Bogen Machine for processing sheets |
| 03/14/2002 | DE10042885A1 Sheet transporting cylinder for printing press has throttled air jets set at minimum format |
| 03/14/2002 | DE10042729A1 Sheet holder for printing machine with needle points to grip sheet |
| 03/12/2002 | US6354588 Discharged paper receiver unit |
| 03/07/2002 | DE10135011A1 Arrangement for feeding sheets has sensor device with ultrasonic sensor(s) arranged below upper edge of stack and in front of longitudinal side of stack facing printing machine |
| 03/07/2002 | DE10040862A1 Sheet feed device for sheet fed printing machine, with speed and rotation direction of rollers altered to control sheet distance from rollers |
| 03/06/2002 | EP1184316A2 Device for receiving stacks of sheets |
| 03/06/2002 | EP1184315A2 Curl-suppressing device for flat printed materials |
| 03/06/2002 | EP1184175A1 Sheet transport cylinder |
| 03/06/2002 | EP1184174A2 Sheet processing machine |
| 03/06/2002 | EP1184173A2 Sheet guiding device |
| 02/28/2002 | US20020023559 Device for guiding sheets in a sheet processing apparatus |
| 02/26/2002 | US6349935 Device for feeding sheets to a sheet-processing machine |
| 02/26/2002 | US6349930 Lifting sucker and method of operating a lifting sucker |
| 02/26/2002 | US6349641 Feeder unit for a sheet-processing machine |
| 02/21/2002 | DE10134836A1 Delivery device for sheet processing machine, especially sheet printer, has flexible band sheet guide elements of adjustable length covering gaps between adjacent braking devices |
| 02/14/2002 | US20020018081 Drum type hard copy apparatus |
| 02/14/2002 | US20020017755 Method for alignment of sheet-like materials |
| 02/13/2002 | CN1335808A Compressed air supply device for a printing machine or a sheet-handling device |
| 02/07/2002 | US20020014170 Delivery for a machine processing flat printing materials |
| 02/07/2002 | US20020014168 Printing machine |
| 02/07/2002 | DE10131607A1 Laying-out device for machine processing flat printable material has suction cavity in form of throttle channel |
| 01/31/2002 | US20020012037 Device for transport of stock through a printing unit |
| 01/31/2002 | US20020011161 Device for releasable attachment of a conveyor belt carrier of a printing press |
| 01/31/2002 | DE10035733A1 Curve guide device for cylinder in e.g. printing machine, has curve with notches in given break positions to enable it to be separated into pieces |
| 01/24/2002 | US20020007746 Sheet-fed printing machine and method of operation |
| 01/24/2002 | DE10132266A1 Avoiding registration difference in sheet fed offset printing machine, checking and correcting previously determined registration correction amount to react quicker to print speed change |
| 01/24/2002 | DE10033838A1 Device for holding sheet of paper on impression cylinder of printing machine uses both electrostatic field generation and pressurized air jets |
| 01/16/2002 | CN1077846C Method for guiding paper sheets in printing mahcine by using guiding device |
| 01/10/2002 | US20020003333 Method for the proper alignment of sheets |
| 01/09/2002 | EP1170237A2 Method for aligning sheet material |
| 01/09/2002 | EP1170232A2 Device for improving the alignment accuracy of a sheet material |
| 01/03/2002 | US20020000167 Paddle-wheel deliverer |
| 01/03/2002 | US20020000166 Sheet-fed rotary printing press with convertible mechanism |
| 01/03/2002 | US20020000165 Multicolor sheet-fed printing press |
| 01/03/2002 | DE10030973A1 Suction air control valve has pre-control and functional control sealing surfaces |
| 01/03/2002 | DE10023828A1 Vorrichtung zum Transport von Bedruckstoff durch eine Druckeinheit Device for transporting printing material through a printing unit |
| 01/02/2002 | EP1167031A1 Sheet-fed rotary printing press with convertible mechanism |
| 01/02/2002 | CN1077039C Sheet-fed offset rotary press |
| 01/02/2002 | CN1077004C Safety device in a platen press that processes plate-like workpieces |
| 01/01/2002 | US6334611 Paper discharging apparatus for printer |
| 12/26/2001 | CN1076705C Device for forming sheet pile in delivery of sheet-feed printing machine |
| 12/26/2001 | CN1076701C Gripper for sheet material |
| 12/25/2001 | US6332398 Methods and devices for transporting a sheet |
| 12/20/2001 | DE10123880A1 Sheet printing machine for single-side and double-side printing has saving and reverse trunks having clamp releasing mechanisms which are interlocked so that clamp of each control component can be released |
| 12/19/2001 | EP0939699B1 Printing method |
| 12/19/2001 | CN1076284C Sheet-feed printing machine |
| 12/19/2001 | CN1076283C Sheet-feed offset rotary printing machine |
| 12/13/2001 | US20010051063 Printer and sheet conveying device therefor |
| 12/13/2001 | US20010050018 Method and device for releasing printing material from a cylinder |
| 12/13/2001 | DE10028667A1 Verfahren und Vorrichtung zum Ablösen eines Bedruckstoffes von einem Zylinder Method and device for releasing a printing material from a cylinder |
| 12/13/2001 | DE10028072A1 Sheet guide in printer has sheet-turning appliance, cylinders, guide rod, plate with side plate on each side, top and bottom bolts |
| 12/13/2001 | DE10028071A1 Sheet aligner has side pulling element, side stop, rotary vane valve and housing, radial cam, drive shaft and guide surface |
| 12/13/2001 | DE10024846A1 Sheet guide device for printers for fine-quality printing and copying has guide bars underneath sheet guide cylinder and with convex region underneath tangent point of print and guide cylinders |
| 12/12/2001 | EP1162067A1 Method and means for disengaging a printed sheet from a cylinder |
| 12/06/2001 | US20010047732 Print medium feed device and stencil printing machine |
| 12/06/2001 | DE10023689A1 Kombinierte Druckmaschine Combined printing machine |
| 12/05/2001 | EP1160188A2 Print medium feed device and stencil printing machine |
| 12/05/2001 | CN1325344A Sheet feeding device in a printing machine |
| 12/05/2001 | CN1075788C Sheet slitting method and sheet processing machine for performing this method |
| 12/05/2001 | CN1075787C Sheet conveying method and sheet treatment machine for performing this method |
| 11/29/2001 | DE10059888A1 Vorrichtung zur lösbaren Befestigung eines Transportbandträgers einer drucktechnischen Maschine A device for releasable attachment of a conveyor belt support a printing process machine |
| 11/28/2001 | EP1157834A1 Device for conveying sheets |
| 11/22/2001 | WO2001087610A1 Combined printing machine |
| 11/22/2001 | DE10023919A1 Method for alignment of print sheets for use with a sheet printer ensures that the sheets remain precisely aligned even after turning over of the sheets by use of CCD row-type sensors for detecting the sheet edge |