Patents
Sitemap › B41 - Printing; Lining machines; Typewriters; Stamps › B41F - Printing machines or presses › B41F 21 - Devices for conveying sheets through printing apparatus or machines
Patents for B41F 21 - Devices for conveying sheets through printing apparatus or machines (4,769)
10/2003
10/22/2003CN2581168Y Lower paper advance roll for offset machine
10/22/2003CN1449915A Sheet guide apparatus
10/15/2003EP1352738A2 Sheet guide apparatus
10/15/2003CN1448266A Powder apparatus for printing press
10/15/2003CN1448265A Gripper driving device
10/14/2003US6631901 Sheet-feeding device
10/14/2003US6631784 Device for reducing noise emissions
10/09/2003US20030189286 Sheet guide apparatus
10/08/2003EP1350622A2 Powder apparatus for printing press
10/02/2003US20030183103 Powder apparatus for printing press
09/2003
09/30/2003US6626429 Method of setting guide elements for a flat material on the basis of printed-image information
09/24/2003EP1345829A1 Device and a method for aligning sheets
09/24/2003CN1443645A Paper-storage cylinder for perfecting press
09/23/2003US6622623 Method for conveying sheets in a printing machine and a device for carrying out the method
09/17/2003CN2573221Y Automatic sheet feeding system for corrugated board printing press
09/16/2003US6619655 Apparatus for feeding sheets and method of determining the vertical position of stacked sheets
09/16/2003US6619201 Assembly including a device for holding a sheet on a cylinder participating in a reversal of the sheet in a sheet-processing machine
09/11/2003US20030168799 Device for stabilizing sheet guidance in a sheet-processing machine
09/10/2003CN1441725A Device for guiding sheets
09/04/2003US20030164876 Procedure and device for measuring positions of continuous sheets
09/02/2003US6612569 Printing unit with a holding device adjustable into the interior of a transport device
09/02/2003US6612236 Sheet transport cylinder
09/02/2003US6612235 Sheet guiding device
08/2003
08/28/2003WO2003070465A1 Device for conveying sheets that comprises a sheet directing element
08/28/2003US20030160383 Sheet-fed printing apparatus
08/28/2003CA2783947A1 Apparatus for transporting sheets with a sheet guide element
08/28/2003CA2475019A1 Apparatus for transporting sheets with a sheet guide element
08/27/2003CN1119242C Printing machine cylinder, especially back-pressure cylinder for sheet-feed rotary printing machine
08/26/2003US6609462 Method and device for controlling a transfer register in a sheet-fed rotary printing machine
08/20/2003EP1336481A2 Device for the gripper conversion of a gripper cylinder
08/20/2003CN2567033Y Gripper type paper conveying device of glossing machine
08/20/2003CN1118370C Rotary printing machine and folding device and method for cutting materials in folding device
08/13/2003EP1334829A2 Device for laterally aligning sheets
08/13/2003EP1334828A2 Device for laterally aligning sheets
08/13/2003EP1334827A1 Apparatus for laterally aligning sheets
08/12/2003US6604739 Method and device for aligning flat copies in sheet-processing machines
08/06/2003EP1332873A2 Anti-static, anti-smearing, pre-stretched and pressed flat, precision-cut striped flexible coverings for transfer cylinders
08/05/2003US6601507 Marking device for sheet side edges in a rotary printing machine
08/05/2003US6601501 Paper discharging device of screen printing machine
07/2003
07/30/2003CN1116172C Sucker for extracting paper in turning-over device of transmission turning wheel paper feeding press
07/30/2003CN1116171C Folder for rotary printing machine and method for transfering one end of width-formed material
07/30/2003CN1116170C Machine for security printing on security paper
07/29/2003US6598874 Method and device for contact-free retention of sheets
07/29/2003US6598524 Device for transporting a sheet
07/17/2003US20030132573 Device for sustaining a contact force of a control roller on a control cam appertaining thereto
07/16/2003CN1114553C Method for setting sheet in position and its implementing device
07/15/2003US6592121 Apparatus for synchronizing transfers of sheet material
07/15/2003US6591749 Printing machine with improved vacuum transfer
07/15/2003US6591748 Device for braking sheets
07/09/2003EP1077810B1 Side-lay for a sheet-fed machine
07/09/2003CN1429150A Combined printing machine
07/09/2003CN1428245A Printing quality detecting device for printer
07/09/2003CN1428244A Three-cylinder turning equipment for printing machine
07/08/2003US6588744 Apparatus and method for handling stacks of sheets
07/03/2003US20030122914 Printing quality checking apparatus of printing press
07/03/2003US20030121434 Double-sided printing press
07/03/2003US20030121433 Sheet-fed rotary printing press having a three-drum reversing device and method of transporting a sheet through a three-drum reversing device
07/03/2003US20030121426 Jaw cylinder in jaw folder
07/02/2003EP1323658A2 Jaw cylinder in jaw folder
07/02/2003EP1323529A1 Printing quality checking apparatus of printing press
07/02/2003EP1323526A1 Sheet processing machine with three reversing cylinders
07/01/2003US6587808 Method and device for controlling the travel speed of a unit in a machine for processing printing materials
07/01/2003US6585259 Delivery of a machine for processing flat printing materials
06/2003
06/26/2003US20030116046 Device for aligning sheets in a feeder of a sheet-processing machine, especially a printing press
06/26/2003DE20305829U1 Grip system for sheet handling process has a curved grip edge with a spherical profile
06/25/2003EP1321293A2 Sheet guiding device having a movable guiding surface
06/24/2003US6581928 Sheet guide device for sheet-processing machine
06/24/2003US6581517 Printing-machine cylinder, especially an impression cylinder, for a sheet-fed rotary printing machine, and method of production
06/24/2003US6581514 Print medium feed device and stencil printing machine
06/18/2003EP1319505A2 Device for guiding sheets in a processing machine
06/18/2003CN1111477C Offset press with paper feeder
06/17/2003US6578846 Device for transporting a sheet for a rotary printing machine
06/12/2003US20030107170 Device for feeding suction air or blowing air in a sheet-processing machine
06/12/2003US20030106446 Device for changing the operating state of a gripper-control device in a sheet-reversing device of a sheet-processing machine and sheet-processing machine having the device
06/04/2003CN2553995Y Automatic sheet conveying machine of chain type paperboard of paper box printing machine
06/04/2003CN1110414C Device and method for driving printing machine with multiple uncoupled motors
06/04/2003CN1110411C Offset press
06/03/2003US6571706 Method for two-sided printing of a sheet of printing material, and a sheet-fed rotary printing press for performing the method
05/2003
05/28/2003EP1314556A2 Sheet delivering device for a sheet-processing machine
05/28/2003EP1314555A1 Sheet feeding device with a guiding surface in a printing machine
05/28/2003CN2552698Y Eccentric rotary upper swing type conjugate cam paper-conveying mechanism
05/22/2003US20030094747 Method and device for feeding sheets to a printing-technology machine
05/20/2003US6566672 Light sensor for sheet products
05/14/2003CN1417027A Front feeding positioning and mold cutting indentation (thermoprinting) machine
05/13/2003US6561508 Device and method for transferring a sheet
05/07/2003CN1416393A Adjustable matte for handling sheets in printing press and method of using same
05/06/2003US6557844 Device for transferring sheets
05/06/2003US6557468 Delivery for a sheet processing machine, particularly for a sheet-fed printing machine
05/02/2003EP1306211A1 Gripper and gripper-shaft system
04/2003
04/30/2003CN1414906A Printing machine for processing sheets
04/24/2003WO2003033266A1 Printing method, printed matter, and printing controller
04/24/2003US20030075061 Displacement device for a machine for processing flat printing materials and machine having the displacement device
04/23/2003EP1303406A1 Device for guiding sheets
04/23/2003CN2546189Y Gripper for Separating printing machine
04/23/2003CN2546188Y Paper table up-down mechanism for offset machine
04/23/2003CN1106283C Apparatus for achieving good contact of print substrate in printing machine
04/22/2003US6550390 Method and device for releasing printing material from a cylinder
04/16/2003EP1302325A2 Printing apparatus
04/15/2003US6547240 Gripper drum for gripping printed products
04/15/2003US6546862 Method and device for producing a multicolor print
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