Patents
Patents for B41F 21 - Devices for conveying sheets through printing apparatus or machines (4,769)
05/1986
05/28/1986EP0182112A1 Method for aligning sheets
05/27/1986US4591144 Feeder for press
05/27/1986US4591143 Apparatus and method for in-register feeding of sheets
05/20/1986US4589335 Stencil printing machine
05/14/1986EP0180827A1 Apparatus for removing printed sheets for inspection
05/13/1986US4588184 Method of flow-feeding sheets
05/10/1986CN85104524A Process for straightening sheet
04/1986
04/30/1986EP0179437A2 Measuring device for measuring the contact pressure of grippers in sheet-fed machines
04/29/1986US4584939 Combined rotary printing machine
04/22/1986US4583728 Auxiliary gripper drive
04/15/1986US4582316 Device for withdrawing printed sheets for examination or sorting purposes
04/15/1986US4582312 Printing apparatus for insertion machine
04/08/1986US4580494 Device for converting a sheet turn-over device selectively for first-form printing and first-form perfector printing
04/02/1986EP0175822A1 Cylinder apparatus of sheet-fed rotary press
03/1986
03/12/1986EP0173996A2 Printing apparatus for insertion machines
03/12/1986EP0173868A1 Sheet feeder for printing machines
03/05/1986EP0173064A2 Stencil printing machine
02/1986
02/26/1986EP0172412A2 Sheet transfer cylinder in sheet-fed rotary presses
02/25/1986US4572073 Sheet guide arrangement in sheet-fed machines
02/25/1986US4572071 For use with a multicolor printing press
02/12/1986EP0170962A2 Device for transferring sheets after the delivery cylinder
02/11/1986US4569284 Sheet handling mechanism for duplicating machine with duplexing capability
02/11/1986CA1200429A1 Offset sheet-fed rotary press
02/05/1986EP0170111A2 Transfer drum for sheet-fed printing machines, in particular for cartoning machines
02/04/1986US4567824 Planetary conveyor system
01/1986
01/29/1986EP0169477A2 Machine for printing textiles
01/22/1986EP0168780A2 Turning device for rotary sheet-fed printing machines
01/21/1986US4565478 Materials handling device
01/15/1986EP0167861A2 Sheet clamp and release mechanism
01/14/1986US4563951 Clamping and adjusting device for the smoothing means on the storage cylinder of a sheet offset press
01/14/1986US4563950 Rotary printing machine with paper guide
01/02/1986EP0166128A2 Rotary printing machine for sheets having the printing units in line
12/1985
12/27/1985EP0165477A2 Covering for a sheet conveying cylinder or drum in a rotary offset printing machineand use of such a covering.
12/04/1985EP0163021A2 Gripper arrangement for a printing machine
12/04/1985EP0162945A1 Printer-slotter
11/1985
11/26/1985CA1197138A1 Stencil printing machine
11/21/1985EP0161531A2 Transfer drum for sheet transportation
11/21/1985EP0161522A2 Sheet-fed rotary printing machine for one-sided multicolour printing or for printing on both sides of a sheet
11/12/1985US4552066 Combined sheet fed rotary printing machine for securities, in particular bank-notes
11/05/1985US4550904 Paper support bar with rotation resistant support fingers
10/1985
10/23/1985EP0158836A2 Sheet-delivery device, particularly for small offset printing machines
10/23/1985EP0158816A2 Rotary sheet-printing machine for perfecting or multi-colour printing
10/16/1985EP0158129A2 Rotary sheet-printing machine for perfecting or multi-colour printing
10/02/1985EP0156173A2 Device for guiding sheets printed on one side and on both sides
09/1985
09/25/1985EP0155561A2 Device for selectively printing on one side or perfecting in the collecting drum of an offset printing machine for sheets
08/1985
08/28/1985EP0152553A2 Sheet gripper for printing machine
08/20/1985US4535691 Gripper opening/closing apparatus of sheet-fed rotary press
08/20/1985CA1192082A1 Sheet transfer cylinders on sheet-fed rotary printing machines with a device for the register correction of overprints
08/14/1985EP0151386A2 Impression cylinder for a sheet-fed offset-type rotary
08/06/1985US4533134 Mechanism for the lateral alignment of sheets in a printing machine
07/1985
07/23/1985US4530283 Changeover protection system for perfecting printing machines
07/09/1985US4527788 Printer-slotter with speed variable motor control
07/03/1985EP0146687A1 Device at machines for handling sheets
06/1985
06/11/1985US4522388 Arrangement for applying compressed air to underside of sheet on feed table of printing press
05/1985
05/07/1985US4515079 Planetary synchronizing device
04/1985
04/10/1985EP0136972A1 Combined rotary printing machine for securities, particularly bank notes
03/1985
03/27/1985EP0135063A2 Gripper drive
03/26/1985US4506602 Impression cylinder device of sheet-fed printing press with turn-over mechanism
03/12/1985US4503772 Gripper pad height adjusting device for sheet-fed rotary printing presses
02/1985
02/26/1985US4501415 Balanced deflection gripper for sheet handling equipment
02/26/1985CA1183179A1 Sheet deliverer for rotary printing machines with gripper shoe flies running on continuous chains
02/13/1985EP0132857A1 Combined rotary sheet printing press
01/1985
01/15/1985US4493255 Multi-station sheet rotary offset printing machine
01/02/1985EP0129718A1 Apparatus for sampling signatures
01/02/1985EP0129637A2 Device for the reliable shifting of a perfecting printing machine
12/1984
12/27/1984EP0129104A2 Sheet feeder for rotary printing machines
11/1984
11/20/1984CA1178118A1 Process color offset printing duplicator
11/06/1984US4480546 Apparatus for detecting defects of printing sheets using adjustable length rotatable sector
10/1984
10/30/1984US4479645 Sheet deliverer for rotary printing machines
10/30/1984CA1177099A1 Conveyor device for transferring freshly printed sheets
10/09/1984US4475459 Impression cylinder for sheet-fed rotogravure presses
10/03/1984EP0120358A2 Method of sheet registration
10/03/1984EP0120349A2 Apparatus for feeding sheets in register
10/03/1984EP0120348A2 Apparatus for the uninterrupted positioning of sheets
09/1984
09/26/1984EP0119401A2 Circuit arrangement for light barriers, e.g. for sheet control means in a printing machine
09/18/1984US4471695 Two-sided printing machine
09/18/1984US4471693 Apparatus for feeding cardboards to a carton making section
09/18/1984US4471692 Device for the printing of flexible flat parts
08/1984
08/21/1984US4466350 Sheet transfer cylinder assembly of a sheet-fed rotary printing machine having a device for correcting register of overprints
08/08/1984EP0038825B1 Centrifugal clamp on a high speed print drum
08/01/1984EP0114393A1 Method and device for aligned feeding of sheets to sheet processing machines
07/1984
07/10/1984US4458893 Drive for sheet feeder in printing press
07/03/1984US4457231 Phase adjusting apparatus of sheet-fed rotary printing press with turn-over mechanism
06/1984
06/13/1984EP0110137A2 Control device for selectively converting a continuous rotary motion into a singular oscillating motion of a control lever with respect to the angle of rotation
06/13/1984EP0110136A2 Device for sensing the stack height of the feed table in a printing press
06/12/1984US4453466 Paper discharge device for offset printing machine
05/1984
05/30/1984EP0109599A2 Stencil printing machine
05/30/1984EP0109598A2 Stencil printing machine
05/30/1984EP0109597A2 Stencil printing machine
05/29/1984US4451029 Arrangement for lateral alignment of sheets
05/22/1984US4449450 Retractable propulsion apparatus for cardboard box printing machine
05/15/1984US4448125 Sheet-fed rotary printing machine with a turn-over mechanism
05/15/1984US4448121 Rotary printing press and inspection method and apparatus therefor
04/1984
04/18/1984EP0105857A2 An arrangement for drying printed material
03/1984
03/27/1984US4438694 Gravure color printing press
03/14/1984EP0102743A2 Method and apparatus for conveying substrate in continuous multicolor printing press
02/1984
02/14/1984US4430937 Front register lays for sheet-fed rotary printing machines
01/1984
01/03/1984US4423677 Rotary sheet offset printing machine
12/1983
12/20/1983US4421026 Process color offset printing duplicator
11/1983
11/15/1983US4414896 Sheet-fed rotary prime and verso offset printing machine & method
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