Patents for B41G 7 - Auxiliary perforating apparatus associated with printing devices (250)
04/1996
04/04/1996DE4435307A1 Additional operations on sheet-fed offset printing machine and process equipment
04/04/1996DE4435306A1 Punching or perforating device in sheet=fed offset machine
03/1996
03/28/1996DE19500536C1 Sheet printing machine
03/14/1996DE4432370A1 Control process for deforming or separating device linked to printing press
01/1996
01/31/1996CN1115718A Device for fastening switch selected perforating tool
11/1995
11/02/1995DE4414908A1 Partial longitudinal cutting or perforating process for printed material
09/1995
09/13/1995EP0670782A1 Perforation or cutting device for an offset printing machine
04/1995
04/27/1995WO1995008444A3 Perforation or cutting device for an offset printing machine
03/1995
03/30/1995WO1995008444A2 Perforation or cutting device for an offset printing machine
02/1995
02/22/1995EP0639457A1 Device for holding switchable perforating tools
08/1994
08/02/1994US5333545 Sheet-fed rotary offset printing press with a removable imprinting or finishing unit
11/1993
11/04/1993DE4233261A1 Double-sided combined printing and perforation machine - is for moving web of material and includes printing rollers separate from perforating rollers
07/1993
07/20/1993US5228388 Scoring or perforating bar for offset presses
05/1993
05/27/1993DE4138278A1 Device for stamping, grooving and perforating for sheet printing machine - has printed sheet subject to lacquering by cylinder rolling against printing cylinder
05/27/1993DE4138277A1 Appts. for shear-free stamping, grooving and perforation of freshly printed sheets - uses a sepg. agent on metal stamping sheet and/or metal counter-sheet before the operation
07/1992
07/29/1992CN2111185U Adjusting punch of printing machine
06/1992
06/23/1992US5123347 Scoring or perforating bar for offset presses
09/1991
09/24/1991US5050494 Fine adjustment system of finishing head in a printing, duplicating and like machine
11/1990
11/27/1990US4972747 Perforating strip for printing presses
10/1990
10/16/1990US4962686 Perforating strip for printing presses
10/03/1990EP0287563B1 Perforation method and blanket for rotary printing machine provided with a perforation device, for example for offset machine
10/02/1990US4960049 Offset printing machine having two printing units
06/1990
06/26/1990US4936214 Apparatus for adapting offset duplicator machines to accomodate numbering, printing, scoring, perforating and like device
07/1988
07/14/1988WO1988004991A1 Adapting offset duplicator for printing, scoring, perforating
07/12/1988US4756245 Printing press having various printing heads
04/1988
04/28/1988DE3735497A1 Perforationsvorrichtung fuer druckmaschinen Perforator for printing machines
03/1988
03/22/1988US4732083 Rotary die cylinder assembly
07/1987
07/02/1987WO1987003844A1 Perforation method and blanket for rotary printing machine provided with a perforation device, for example for offset machine
12/1986
12/09/1986CA1214961A1 Apparatus for continuously treating or working on a flexible deformable blank support adapted to pass through a computer printer
09/1986
09/23/1986CA1211652A1 Rotary printing press conversion for perforating, punching etc.
07/1986
07/08/1986US4598638 Lateral perforation vertical registration device for offset press
06/1986
06/24/1986US4596546 Process and apparatus for perforating, stamping or creasing of paper and cardboard in rotary printing presses
04/1986
04/09/1986EP0108761B1 Method and device for perforating, punching or grooving paper and cardboard in a rotary press
09/1985
09/17/1985US4541337 Process and apparatus for continuously treating a web adapted to pass through a computer printer
02/1985
02/19/1985US4500082 Rotary business form printing press
07/1984
07/17/1984CA1170901A1 Devices for numeration, overprinting, perforation and cutting on 'offset' sheet printing machines, and related improved devices
05/1984
05/23/1984EP0108761A1 Method and device for perforating, punching or grooving paper and cardboard in a rotary press.
11/1983
11/24/1983WO1983004004A1 Method and device for perforating, punching or grooving paper and cardboard in a rotary press
07/1983
07/05/1983US4391175 Perforating device especially adapted for use with printing machines
01/1983
01/25/1983US4369703 Devices for numeration, overprinting, perforation and cutting on Offset sheet printing machines
12/1981
12/22/1981US4306496 Automatically controlled numbering machine
11/1981
11/18/1981EP0040183A1 Printing unit within a rotary offset sheet printing machine
10/1981
10/07/1981EP0037304A1 Perforating rule or the like usable on printing machines like offset machines and method of using it on the said machines
08/1981
08/04/1981CA1106231A1 Offset duplicating machine
10/1980
10/21/1980US4228735 Offset duplicating machine
05/1979
05/15/1979CA1054511A1 Roll fed rotary web device with improved perforator
01/1978
01/17/1978US4068582 Automatically controlled numbering machine
11/1977
11/29/1977US4060651 Method for applying stiffener to computer paper
10/1977
10/25/1977US4055101 Roll fed rotary web device with improved perforator
12/1976
12/07/1976US3995555 Removable redeemable coupon for newspaper advertisements and method and apparatus for producing same
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