Patents
Patents for B41F 21 - Devices for conveying sheets through printing apparatus or machines (4,769)
08/2005
08/04/2005DE102004060250A1 Sheet-fed printing machine`s register correcting device for lithographic offset printing, has piezo unit and reset spring that are arranged between spindle and gear wheel that is co-axial with cylinder or body of cylinder
08/04/2005DE102004058601A1 Arc-shaped substrate processing device, has counter pressure-processing roller and processing roller, and vacuum band placed under another roller, where one of rollers, while rotating transfer waste-cutouts and material part-blanks to band
08/03/2005EP1559919A2 Device for producing throttled blowing or vacuum air
08/03/2005CN2714321Y Paper handover drum arrangement structure of B-B type printing machine
08/03/2005CN1648469A Device for producing throttled blowing or pumping air
08/02/2005US6923119 Sheet transport system for a rotary printing press
08/02/2005CA2187589C Sheet-fed printing machine
07/2005
07/28/2005WO2005068200A1 Method and control arrangement for transporting printing material
07/28/2005DE102004060646A1 Bogenpositioniervorrichtung einer Bogenzuführeinrichtung von einer Druckerpresse Bogenpositioniervorrichtung a sheet feeder of a printing press
07/28/2005DE102004058596A1 Rotary press for film coating or embossing of conveyed paper sheets from printer uses pair of drums with one having indexer for sheet positioning
07/27/2005EP1556300A2 Guiding elements for a strip-producing or strip-processing machine
07/27/2005EP1556219A2 Guiding elements for a printing unit
07/27/2005EP1556218A2 Doctor blade devices for a strip-producing or strip-processing machine
07/27/2005CN1212229C Alternate paper-feeding control mechanism for printing machine
07/26/2005US6921070 Method and device for feeding sheets to a printing-technology machine
07/20/2005EP1554208A1 Former for a strip-producing or strip-processing machine
07/20/2005EP1554207A2 Folder
07/20/2005EP1554122A1 Pressure elements for a strip-producing or strip-processing machine
07/20/2005CN2710896Y Two-direction rubber-cloth tight-up device of B-B type printing machine
07/20/2005CN1211207C Adjustable matte for handling sheets in printing press and method of using same
07/19/2005US6920292 Method and control device for prevention of image plane registration errors
07/14/2005DE102004058597A1 Apparatus for refining in line or off line treatment of curved substrates from a stack whereby those substrates which have become less stable due to the treatment are transported away
07/14/2005DE10035733B4 Kurvensteuerung für einen Zylinder in einer Verarbeitungsmaschine Curve control for a cylinder in a processing machine
07/07/2005DE10358171A1 Vorrichtung zum Fördern eines Bogens durch eine drucktechnische Maschine An apparatus for conveying a sheet through a printing machine technical
07/07/2005DE10357439A1 Printed material conveying device has an ultrasonic transducer on its under side and a conveyer surface that includes at least an ultrasound frequency transmitting material
07/07/2005DE10357438A1 Printed material conveying device, has an ultrasonic transducer on its under side that excites the conveyer surface, which includes at least an ultrasound frequency transmitting material, with or against the conveying direction
07/07/2005DE10357009A1 Control device for the gripper of a pre-gripper in a sheet processing machine, especially a printer or copier, has a control curve generating assembly of shafts, gears and levers
07/06/2005CN2707714Y Anticrease roller for automatic splicer
07/06/2005CN2707488Y Double layer paper feed rubber roller for carton printing and groove cutting machine
07/06/2005CN1635955A Device for conveying sheets that comprises a sheet directing element
06/2005
06/30/2005DE19800414C5 Einrichtung zum Einwirken auf einen Bogen Means for interacting with a bow
06/30/2005DE10357173A1 Verfahren zum Ausrichten von Bogen nach der Seitenkante A method for aligning sheets according to the side edge
06/30/2005DE10356413A1 Treatment of curved substrates, e.g. printing, comprises feeding the substrate between two rollers and allowing tool sections to act on the substrates in the work gap
06/30/2005DE10356405A1 Apparatus for refining in line or off line treatment of curved substrates from a stack whereby those substrates which have become less stable due to the treatment are transported away
06/30/2005DE10355941A1 Sheet processing through non-printing units of a rotary printing machine in which the sheets are fed through the rollers using a gap feeding arrangement between two rollers moving in the same direction
06/30/2005DE10355516A1 Rotary pre-gripper for feeding sheets from feed plate to transit drum has acceleration profiles of first and second gripper systems configured so that power balance is achieved between gripper systems
06/30/2005DE10355515A1 Rotary pre-gripper for feeding sheets has first gripper system associated by staybolts with shaft whose axis is coaxial with hollow shaft carrying second gripper system and provided with radial slots on line of staybolts
06/30/2005DE102004054386A1 Protecting chain guide of printing machine against powder ingress involves deflecting blown air flow loaded with powder by using air guide element, Coanda effect curvature, convex flow profile or air control flow
06/29/2005CN2706317Y Offset printing machine paper transfer turnover mechanism
06/28/2005US6910690 Positive control lower folder
06/28/2005US6910416 Suction guidance device for a single-drum turner
06/23/2005US20050133989 Sheet positioning apparatus in a sheet feeding section of a printing press
06/23/2005DE10355459A1 Feeder for paper sheets has plate, from which sheets are transferred by grippers to feed drum, plate being concentric with pivot of grippers and slightly below tops of gripper fingers
06/22/2005EP1542873A1 Cylinder for a printing machine
06/22/2005CN1628969A Sheet positioning apparatus in a sheet feeding section of a printing press
06/21/2005US6907825 Delivery for a machine for processing flat printing materials
06/16/2005US20050127595 Device for conveying sheets that comprises a sheet directing element
06/16/2005US20050126411 Device for conveying a sheet through a printing machine
06/16/2005DE202005005682U1 Abnahmesauger für eine Wendetrommel Decrease sucker for a beater
06/16/2005DE10353457A1 Sheet control apparatus in sheet offset printing machine, has optical sensor to measure distance to printing sheet by detecting energy radiation reflected from printing sheet, based on triangulation principle
06/16/2005DE102004052656A1 Drum for the transport of sheets, for printing, has adjustable sheet side edge supports in guides and on spring mountings to be set according to the paper sheet format
06/15/2005EP1541510A1 Device for conveying sheets through a printing machine
06/15/2005CN1626343A Device for conveying a sheet through a printing machine
06/09/2005US20050120895 Printing color layers
06/09/2005DE102004051944A1 Automatischer Unterstützungsmechanismus und ein entsprechendes Verfahren Automatic assist mechanism and a corresponding method
06/09/2005DE102004051330A1 Dust collecting system for sheet handling roller especially print roller has a suction jet on a common adjustable sprung mounting with a sheet guide element
06/08/2005EP1537995A2 Method for lateral aligning of sheets
06/02/2005WO2005025868A9 Printing press cylinder flexible jacket covering
06/02/2005US20050115426 Versatile satellite-type printing press
06/02/2005DE10350988A1 Sheet holding system which is driven to transport sheets on surface of feed cylinder in rotary printing machine, has clutch which engages between ends of driven shaft to transfer torque from drive shaft
06/02/2005DE10350987A1 Gripper system for turning sheets in sheet-feeding cylinder of rotary printing machine, has driving pinion mounted on gripper shaft directly mounted on cylinder
06/02/2005DE10350986A1 Drive for swing system for turning sheets in sheet-feeding cylinder in rotary printing machine, has pressure application point between ends of driven shaft for transmitting torque from drive shaft
06/02/2005DE10350726A1 Drivable suction system for sheet feeding cylinder in processing machine, such as printing machine, has suckers with suction channel communicating with suction openings arranged around tube
06/02/2005DE10350621A1 Sheet feed device for rotary offset printing machine for processing paper and card, has compressed air chamber and guide surface forming air cushion pressing on surface of printing cylinder
06/02/2005DE102004048617A1 Sheet conveyor for printer, has shredder rollers which contact with each other to cut and shred defective sheets when control member drops sheet from conveyance member and another control member deflects defective sheet
05/2005
05/31/2005US6899327 Sheet guide apparatus
05/31/2005US6899031 Method of compensating for misregistration during operation of a printing press
05/26/2005US20050109228 Plate transfer apparatus
05/25/2005DE10351305A1 Kombinierte Druckmaschine Combined printing machine
05/25/2005DE102004043645A1 Print-carrier sheet tautening method for sheet-fed printing press, involves applying twisting movements to belts in clockwise and counterclockwise directions, and transversely tautening print-carrier sheet with belts
05/24/2005US6896258 Sheet-fed press and intermediate cylinder for sheet-fed press
05/24/2005US6896251 Device for separating mutually adjacent flat copies
05/19/2005DE10348519A1 Powered paper sheet holder for printing press is guided in yaw and pitch by roller moving through curved channel
05/19/2005DE102004044122A1 Sheet conveying apparatus for use in press, has gripper bar carrying gripper having gripper finger and gripper pad for holding sheet between finger and pad during conveyance of sheet
05/19/2005DE102004043646A1 Process to guide a sheet of paper through a print machine with leading edge and trailing edge paper holders
05/18/2005CN1201988C Device for conveying printed matter
05/05/2005US20050093224 Transport system in a machine that processes printing material
05/05/2005US20050092885 Automatic support mechanism and use thereof
05/05/2005US20050092199 Method and device for transversely tautening a print-carrier sheet and machine having the device
05/05/2005US20050092196 Combined printing press
05/04/2005CN1611434A Method and device for transversely tautening a print-carrier sheet
04/2005
04/28/2005US20050087924 Apparatus for conveying sheets through a printing machine
04/27/2005CN1608847A Apparatus for conveying sheets through a printing machine
04/26/2005US6883801 Sheet member holding apparatus
04/26/2005US6883433 Method of operating a sheet-fed printing press and sheet-fed printing press for implementing the method
04/26/2005US6883429 Quality inspection apparatus for double-sided printing machine
04/26/2005US6883426 Printing machine and method for printing a sheet
04/14/2005US20050076798 Printer operable in duplex print mode
04/14/2005DE10231984B4 Satellitendruckwerk Satellite printing
04/12/2005US6877430 Gripper device in a sheet-processing machine
04/12/2005US6877427 Quality control device
03/2005
03/31/2005US20050067770 Apparatus for transporting a printing material sheet
03/31/2005US20050067761 Method for conveying sheets through a printing machine and apparatus for implementing the method
03/31/2005DE4244276B4 Anordnung zum Messen der Lage einer Bogenkante auf der Oberfläche eines rotierenden Zylinders Arrangement for measuring the position of a scalloped edge on the surface of a rotating cylinder
03/29/2005US6871849 Delivery for a sheet-processing machine, especially a rotary printing machine
03/24/2005WO2005025868A1 Printing press cylinder flexible jacket covering
03/24/2005US20050061179 Cylinder apparatus
03/24/2005DE19909688B4 Greifersteuerung für Druckzylinder Grab control of pressure cylinder
03/23/2005EP1516729A1 Dust collection apparatus of printing press
03/23/2005EP1516728A2 Cylinder apparatus
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