Patents
Sitemap › B41 - Printing; Lining machines; Typewriters; Stamps › B41F - Printing machines or presses › B41F 7 - Rotary lithographic machines
Patents for B41F 7 - Rotary lithographic machines (5,344)
03/1990
03/08/1990WO1990002044A2 Lithography plates and method and means for imaging them
03/07/1990CN1040169A Convertible multi-color printing machine especially for printing of banknotes
03/06/1990US4905593 Combined damping and cylinder cleaning system for a printing machine
02/1990
02/28/1990EP0355688A2 Method for measuring the alcohol content of a damping liquid in an alcohol damping device of an offset printing machine
02/28/1990EP0355590A2 Keyless printing press
02/28/1990EP0355571A2 Method for regulating the quantity of dampening solution supplied to a wet-offset rotary press
02/20/1990US4901640 Oscillating form roller dampener
02/13/1990US4899653 Microprocessor-based press dampening control
02/07/1990EP0353652A2 Additional device for attachment to an offset-printing machine
02/07/1990EP0353625A2 Method for field selection on the control desk of a printing press, particularly of a rotary offset press
02/07/1990EP0353535A2 Damping unit
01/1990
01/31/1990EP0352521A2 Rorary offset printing machine with an inking unit for rapidly exchanging printing plates
01/31/1990EP0352520A2 Offset printing process
01/31/1990CN1039213A Combined sheet-fed rotary printing machine for securities, especially banknotes
01/30/1990US4896599 Printing press
01/25/1990DE3921999A1 Sheet-fed rotary printing machine for verso and recto printing
01/24/1990CN1038970A Circulation system and for reducing forming in dampening system of printing press
01/23/1990US4895070 Liquid transfer assembly and method
01/17/1990EP0351366A2 Combined rotary sheet printing press for papers of value, particularly bank notes
01/17/1990CN1038861A Rubber-covered roller and process for transoformation of its physical state at end faces of rubber-covered roller
01/17/1990CN1038790A Web-fed printing machine for recto-verso printing especially for banknotes
01/10/1990EP0350404A1 Variable-size multicolour web offset printing machine
01/09/1990US4892035 Continuous damping means for off-set printing machines
12/1989
12/26/1989US4889051 Removable inking device for offset press
12/20/1989EP0346573A2 Inked dampener for lithographic printing
12/20/1989CN1006144B Rotary press
12/13/1989EP0345716A2 Dampening apparatus for lithographic press
12/13/1989EP0345472A2 Rubber rolls and process for the conversion of the front sides
12/06/1989EP0344409A2 Printing press dampener
11/1989
11/23/1989EP0343106A2 Convertible multicolour press, particularly for printing bank notes
11/23/1989EP0343104A2 Perfecting web-fed press, particularly for bank notes
11/15/1989EP0341384A2 Microprocessor-based press dampening control
11/08/1989EP0340428A2 Intermediate drive for the transfer of a rotary motion to a reciprocating motion of a roller in the inking and/or damping unit of a rotary offset press
10/1989
10/31/1989US4876958 Swing apparatus for an offset press auxiliary print unit
10/18/1989EP0337800A2 Dampening and inking system for a printing press
10/17/1989US4873925 Spray nozzle and valve assembly
10/11/1989EP0336238A2 Image forming method and image forming apparatus
10/11/1989EP0336178A2 Damping system for a web-fed offset rotary press
10/10/1989US4872406 Dampening mechanism for offset rotary printing presses
09/1989
09/19/1989CA1259520A1 Rotary multicolor printing machine for simultaneous recto-verso printing
09/12/1989US4864928 Printing machine for printing continuous slip
09/12/1989US4864925 Simplified lithography using ink and water admixtures
08/1989
08/17/1989DE3901176A1 Druckmaschine Printing machine
08/17/1989DE3901175A1 Druckmaschine fuer schoen- oder schoen- und widerdruck Printing machine for face or perfecting
08/17/1989DE3901174A1 Bildtransportdruckmaschine Image Transport printing machine
08/08/1989US4854232 Method and apparatus for multi-color printing
08/08/1989US4854231 Sheet-fed rotary printing presses for multi-color printing
07/1989
07/26/1989EP0325381A2 A control system for operating a spray dampening system
07/26/1989EP0325021A2 Circulation system and method for reducing foaming in the dampening system of a printing press
07/18/1989US4848228 Damping device with biased transfer roller adjustment
07/18/1989CA1257501A1 Main drive for rotary offset printing presses
07/06/1989DE3831741A1 Wetting trough for offset printing machines
06/1989
06/27/1989US4841903 Coating and printing apparatus including an interstation dryer
06/27/1989US4841855 Dampening unit for printing press
06/22/1989DE3840505A1 Device for wetting the impression cylinder of a lithographic press
06/21/1989EP0321360A1 Offset printing press operating in tandem
06/13/1989US4838046 Cover for a dampening roller of an offset press
06/08/1989DE3835466A1 Method and device for removing ghosting in combined damping and inking units
06/06/1989US4836103 Cylinder apparatus of sheet-fed rotary press
05/1989
05/30/1989US4833990 Printing press for modifying hydrophobic and hydrophilic areas of a printing image carrier
05/30/1989US4833982 Printing cylinder positioning system
05/23/1989US4833486 Ink jet image transfer lithographic
05/23/1989US4831927 Printing press dampener
05/23/1989US4831926 Processing paper and other webs
05/11/1989DE3833595A1 Bearing lock for roller bearings
05/10/1989EP0314892A1 Sensing device
05/09/1989US4827842 Rotary offset printing machine system with registration control
05/02/1989US4825804 Vertically retracting coater
04/1989
04/18/1989US4821641 Dampening and bridging apparatus for a duplicating machine
04/13/1989DE3832527A1 Damping system for an offset printing machine
04/05/1989EP0309681A2 Simplified lithography using ink and water admixtures
03/1989
03/29/1989EP0308663A2 Damping apparatus for a rotary printing machine
03/28/1989US4815376 Press for sheet fed or web printing
03/28/1989US4815375 Spray dampening system having alternate application control
03/28/1989CA1251688A1 Method and system for inking the plate of a plate cylinder of rotary printing presses
03/21/1989US4813354 Dampening system for printing machines
03/16/1989DE3828065A1 Damping unit
03/14/1989US4811661 Dampening method and apparatus using an air nozzle and mist generator
03/08/1989EP0305796A2 Damping device for offset printing machines
03/07/1989US4809606 For applying dampening fluid to a printing plate
03/02/1989DE3726820A1 Thermoregler fuer einen druckformzylinder in einer offset-presse Thermal controller for a printing form cylinder in an offset press
03/01/1989EP0305235A1 Removable printing unit for offset-printing presses
02/1989
02/28/1989US4809027 Offset electrostatic printing utilizing a heated air flow
02/15/1989CN1031053A Production of artificial-silk chinese-painting paper
02/15/1989CN1031052A Machine-printed mounted scroll paintings on xuan paper
02/14/1989US4803872 Paper printability tester
01/1989
01/24/1989CA1249170A1 Dual form planetary inker
01/17/1989US4798627 Dampening agent for offset printing
01/11/1989EP0298580A2 Ink jet image transfer lithographic apparatus and technique
01/05/1989DE3813827A1 Damping unit for an offset printing machine
01/05/1989DE3813826A1 Damping unit for an offset printing machine
01/03/1989US4794856 Combined rotary multicolor perfecting press
12/1988
12/29/1988DE3720053A1 Farbwerk fuer rotationsdruckmaschinen Rotary printing machine inking unit for
12/28/1988EP0296394A2 Damping unit for an offset printing machine
12/28/1988EP0296393A2 Damping unit for an offset printing machine
12/20/1988CA1246935A1 Sheet-fed rotary printing press for one-sided multi- colour printing or recto and verso printing
12/13/1988US4790244 Suction system for sheet guiding cylinders in printing machines
12/13/1988US4790243 Offset short inking unit with dampening fluid separation
12/07/1988EP0293551A2 Roller for printing and copying machines and for photographic developing machines or the like
12/06/1988US4788912 Versatile printing machine system permitting plate change during machine operation
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