Patents for B41F 7 - Rotary lithographic machines (5,344)
01/1992
01/14/1992CA1294173C Press for sheet fed or web printing
01/09/1992DE4120700A1 Moisture supply for offset printing machine - has roller to supply optimum amount of moisture to plate cylinder
01/09/1992DE4120699A1 Offset printing machine - has double moisture applying system to maintain constant ratio of moisture to ink
01/07/1992US5079738 Processor interconnect network for printing press system forming a star network
12/1991
12/27/1991EP0462490A1 Film dampening system for a rotary press
12/24/1991US5074213 Thermoregulator of a block cylinder used for an offset press
12/04/1991EP0459595A1 Processing paper and other webs
12/04/1991EP0459594A1 Processing paper and other webs
12/03/1991US5069127 Spot printing method in rotary press and blanket cylinder for spot printing
12/03/1991US5069124 Method of operating a printing machine during start-up or run-on and optically testing a printed image
11/1991
11/26/1991US5067401 Moistening water supply apparatus for printing press
11/20/1991CN2088932U Miniature lithographic and letterpress automatic offset printing machine
11/20/1991CN1056278A Offset printing machine with intermediate roller attaching inking-water system
11/13/1991EP0455782A1 Rotary sheet offset printing machine
11/13/1991CN1014692B Production of artificial-silk chinese-painting paper
11/12/1991US5063844 Offset rotary machine with at least one printing unit
11/06/1991EP0455008A2 Offset printing machine with an intermediate roller connecting the inking and the dampening unit
11/05/1991US5062763 Stacker, especially for an offset plate transporter
11/05/1991US5062362 Oscillating printing press roller having a plurality of separate annular pistons
10/1991
10/31/1991DE4013464A1 Printing machine with inking and moistening mechanism
10/30/1991EP0454010A1 Driving device for an inking unit
10/30/1991EP0453973A1 Offset printing machine for variable repeat distance with automatic loading and unloading of cylinders
10/30/1991EP0453862A1 Method for producing proofs in one colour or in combinations of colours in a printing machine
10/30/1991EP0453855A1 Preparation of the inking unit of a printing machine when changing the printing order
10/30/1991EP0453854A2 Gumming of the printing forme of a printing machine
10/30/1991EP0453844A2 Auxiliary drive for the fountain roller of an offset printing machines
10/29/1991US5060568 Distributing roller unit and printing mechanism provided therewith
10/29/1991CA2038777A1 Offset printing press with intermediate roller for the connection of inking unit and damping unit
10/27/1991CA2038370A1 Method for the production of specimen prints in individual colours or colour combinations in a printing machine
10/24/1991DE4012283A1 Inking and moistening mechanism for reversible printing press
10/23/1991EP0453403A1 Inking and dampening unit for a reversible printing unit in an offset printing machine
10/23/1991EP0452704A2 Printing machines arrangement
10/23/1991EP0452535A1 Multiple printing press
10/09/1991EP0450155A1 Humidification and inking method for a printing plate positioned on a plate cylinder
10/08/1991US5054392 Lithographic printing press having an ink duct with a divided chamber
10/01/1991CA1290006C Offset electrostatic printer and imaging process utilizing heated air
09/1991
09/24/1991US5050994 Method of monitoring and/or controlling dampening-medium feed in an offset printing machine
09/19/1991WO1991013761A1 Short inking apparatus for a rotary press
09/11/1991EP0445812A2 Offset printing apparatus
09/10/1991US5046418 Dampening method and apparatus for automatic ink/water control for lithographic printing press
09/10/1991US5046417 Vapor film equalizer dampening system for printing plate cylinder
09/07/1991WO1991013760A1 System at spray dampening apparatus
09/07/1991CA2077649A1 System at spray dampening apparatus
09/05/1991WO1991012964A1 Dampening system for a lithographic printing press
09/04/1991EP0444427A2 Process for diagnosing the operation of a press according to the remission of full- and half-tone fields
09/04/1991EP0444227A1 Safety device for printing machine
09/04/1991EP0444225A1 Movable inker type printing machine
09/03/1991US5045697 Directly image printing or form cylinder, and method of imaging
09/03/1991US5044274 Ink conditioning device for removing excess water from emulsions of ink and water during lithographic printing
09/02/1991CA2035118A1 Process and device for the control of the wetting behaviour of surfaces
08/1991
08/27/1991US5042788 Processing paper and other webs
08/27/1991US5042378 Combined sheet-fed rotary printing machine for securities, especially banknotes
08/27/1991US5042377 Automatic dampening system for lithographic printing press
08/21/1991CN2083107U Double-surface rotary lithographio machine
08/20/1991US5040457 Printing press dampener
08/14/1991EP0441220A2 Damping device
08/13/1991US5038681 Control method and apparatus for spray dampener
08/13/1991US5038679 Dampening fluid application system for lithographic printing
08/08/1991DE4003412A1 Offset printer - has additional rollers to carry water droplet dampener and increase ink emulsifying
08/07/1991EP0439694A1 Method and device for measuring the alcohol content of a damping liquid in a damping device of an offset printing machine
08/07/1991CN1053582A Application of strongly-magnetized water as moistener in planographic printing (offset printing)
08/07/1991CN1013428B Method for monitoring and regulating guiding humid medium in offset press
08/06/1991US5036762 Apparatus for supplying offset printing presses with a cooled damping solution
08/06/1991US5036761 Forced flow press dampening apparatus
07/1991
07/30/1991US5035176 Fluid damper system for printing apparatus
07/23/1991US5033376 Segmented moisture fountain roller assembly for printing or duplicating machines
07/16/1991US5031530 Versatile eight-cylinder printing machine, and printing method
07/02/1991US5027705 Apparatus for preventing undesired fluid flow past a flow control location
07/02/1991US5027704 Drive mechanism for axially reciprocating the intermediate rollers in an offset printing press
07/02/1991CA1285601C Offset electrostatic printer and imaging process utilizing dehumidified air
06/1991
06/25/1991US5025726 Movable inker type printing machine
06/25/1991US5025724 Change-over device for an intermediate damping roller in an offset printing press
06/25/1991US5025723 Drive for the rotation and laterally reciprocating distributing roller in inking or damping units
06/25/1991US5025722 Adjustable spray dampening system
06/18/1991US5024154 Transfer roller switching mechanisms of ink and water supply apparatus for use in printing presses
06/13/1991WO1991008109A1 Rotary sheet offset printing machine
06/12/1991EP0431054A1 Lithography plates and method and means for imaging them
06/11/1991US5022322 Metering roller control apparatus
06/11/1991US5022321 Distribution roller drive system for printing or duplicating machines
06/06/1991DE3940019A1 Bogenrotationsoffsetdruckmaschine Sheet-fed rotary offset printing machine
06/05/1991EP0429852A2 Printing tower comprising at least two superposed printing units of the "satellite" type
06/04/1991US5020432 Device for metering ink in offset printing presses
05/1991
05/21/1991US5016529 Sheet-fed rotary printing press for multi-color printing
05/15/1991EP0427403A2 Lithographic dampener
05/14/1991US5014615 Water stop module
05/14/1991CA1284059C Dampening apparatus for an offset lithographic printing machine
05/07/1991US5012735 Web-fed rotary printing machine with one printing couple for flying plate change
05/02/1991DE3936081A1 Applying liq. to surface of cylinder - involves group of small rollers mounted on spring-loaded arm
04/1991
04/25/1991DE3923636A1 Offset printing machine - has plate cylinder, inking roller and moisture applying roller driven at different peripheral speeds
04/23/1991US5009158 Offset printing machine system
04/17/1991EP0422409A2 Water stop module
04/17/1991EP0422400A2 Printing press dampener
04/17/1991EP0422365A2 Multiple ink and water curves for printing presses
04/17/1991CN1050701A Lithographic printing press
04/16/1991US5007339 Convertible multi-color printing machine, especially for the printing of banknotes
04/11/1991CA2025344A1 Water stop module
04/10/1991EP0421145A2 Lithographic printing machine
04/09/1991US5005479 Method and apparatus for imaging printing plates by spark discharge
04/09/1991US5005474 Attachment for a damping unit of an offset printing press
04/03/1991EP0420299A1 Processing paper and other webs
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