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7607389 Apparatus and method for applying a damping solution onto a form cylinder of a press unit  
A printing unit having a press unit is disclosed. Damping solution is applied to a form cylinder by way of direct damping-solution supply via a damping unit in such a way that a damping-solution...
7568426 Printing unit and inking unit  
A printing unit includes a press unit having a forme cylinder, a transfer cylinder, an inking unit and, preferably, a damping unit. The inking unit of each press unit applies printing ink to a...
7514009 Devices and processes for use in ultrasound treatment  
Devices and methods are provided for treating, preventing from growth, and neutralizing microorganisms using high-frequency, low-energy ultrasound. A particular method is provided for treating a...
7467586 System for driving damping rollers in rotary printing machines  
A system for driving the damping roller in rotary printing machines. The system has a driving mechanism for the damping roller, while the plate cylinder is being driven separately by an individual...
7448322 Roller closing device with an inner and outer part  
A roller closing device is provided with an inner element and with an outer element. These two elements are arranged at least partially in a coaxial manner. The inner element can be deflected...
7387069 Devices and methods for setting the contact pressure of a displaceably mounted roller  
A device is used to set a contact pressure between a displaceable roller and another roller or for moving the displaceable roller with respect to the other roller. At least one actuator is...
7370578 Inking or dampening unit including adjustable throw-on force for setting imprint width  
An inking or dampening unit includes an applicator roll mounted on levers so that the application roll can be pivoted about a distributor cylinder onto a form cylinder with a controlled throwing-on...
RE40160 Method for controlling a quantity of medium transferable between two rollers  
A method for controlling a quantity of medium transferable from a screen roller of a printing machine onto a roller that is in contact with the screen roller includes exerting an influence upon a...
7314547 Fountain solution recycling system for commercial printers  
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a...
7291277 Method and device for cleaning the fountain solution of a printing press  
A method for cleaning the fountain solution of a printing press with an automatically emptying separator ( 16 ), separates the dirt particles and oil residues from fountain solution and supplies...
7237481 Dampening systems having a dampening agent feeding and return device  
A dampening system has at least one dampening ductor or roller; a dampening agent bin or trough, which holds a dampening agent, a feeding device, and a return device. The feeding device includes at...
7225735 Method for roller adjustment in a printing press  
Methods for performing a roller adjustment in a printing press include an axial spacing adjustment and an oblique position adjustment. The oblique position adjustment is carried out along a...
7127990 Roll for a printing press and process for manufacturing a roll  
A roll for a printing press has at least two circular partial areas ( 25, 33 ) made of an ink-friendly material and at least one circular partial area ( 23, 34 ) made of an ink-repellent material,...
7127989 Printing material processing machine, in particular printing press  
A printing material processing machine has an oscillating roll with a roll shaft, a roll barrel rotatably and translatorily mounted on the roll shaft, and an oscillating mechanism for moving the...
7112282 Fountain solution recycling system for commercial printers  
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a...
7093539 Printing machine  
A printing machine includes a printing form cylinder, a first roller, a second roller, a third roller, a fourth roller, and a dampener roller. The machine has a defined roller control position,...
7017481 Method of operating a press and printing press  
A method of operating a press that has a damping unit which contains a damping unit roller is performed during a printing interruption. During the printing interruption, the damping unit roller is...
7013803 Color registration control system for a printing press  
A color registration control system for a printing press including an area scanner for acquiring an image of a paper substrate and an image processing system adapted to receive the image and...
6948431 Method for metering dampening solution when printing with an offset press  
A novel damping control method permits improved reliability and higher accuracy when registering scumming during printing with an offset press. Signals are obtained by at least one sensor aimed at...
6901859 Washing device and its method for impression cylinder jacket in sheet-fed offset two-sided printing press  
A washing device for an impression cylinder jacket in a sheet-fed offset two-sided printing press equipped with an impression cylinder installed with a jacket having a metal plate, a base layer...
6848360 Form dampening roller driving apparatus  
A form dampening roller driving apparatus in which to obviate a hickey a slip is caused to occur between a form dampening roller and a plate cylinder in their mutual area of contact by rotationally...
6837161 Ink removal method for printing press  
An ink removal method for a printing press includes an ink removal step of bringing ink form rollers and a dampening form roller into a throw-on state relative to a plate cylinder, and bringing the...
6807905 Fountain or dampening duct for a dampening unit of an offset printing machine  
A fountain for a dampening unit of an offset printing machine includes a container having an inlet for dampening solution and a return for the dampening solution. The container is formed with a...
6796228 Dampener metering device  
The subject invention discloses a dampener having a device for precisely metering dampening solution on a printing press. The dampener includes a form roller in contact with a plate cylinder on the...
6752081 Method of adjusting dampening-solution feed in an offset printing press  
A method of adjusting dampening-solution feed of an offset printing press by a control device includes determining a required dampening-solution demand for a first calibration printing form with a...
6751329 Loudspeaker driver  
A drive module for attachment to a rigid panel and adapted to apply bending wave energy at audio frequencies to the panel whereby the panel can radiate an audio output. The drive module has a...
6745692 Sleeve for flexographic printing  
A sleeve ( 10 ) for flexographic printing includes a sleeve body ( 2 ) made of an at least partially non-electroconductive material, which within its inside ( 4 ) is mountable on an...
6708616 Method of adjusting two rollers that can be placed on each other in a printing unit  
In order to achieve a good printed result, it is important that the rollers that interact with each other are arranged at a suitable distance from each other, so that they act on each other with...
6679173 Method of tempering or controlling the temperature of a printing press  
A method of tempering a printing press with a circulating tempering medium includes regulating a temperature of the tempering medium. The temperature at a first measurement location is measured for...
6675706 Dampening assembly having air seal apparatus for sealing dampening solution  
A seal apparatus is disclosed for sealing dampening solution which is disposed within a reservoir extending from a nip defined between a form roller and a metering roller of a lithographic printing...
6668723 Method for regulating the ink-to-wetting agent equilibrium in a rotary offset printing machine  
A method for regulating the ink-to-wetting agent equilibrium in a rotary offset printing machine, the wetting agent quantity being determined especially using the signals of a sensor which measures...
6655272 Dampening control method taking account of a plurality of variables that influence the printing process  
The method effects a closed-loop control of the quantity of dampening solution during printing. The metering of the quantity of dampening solution to be applied to the printing material is...
6651555 Dampening solution recirculator  
The present invention includes a dampening solution recirculator and a method for circulating dampening solution in a reservoir of a dampener. The dampening solution recirculator includes a tank...
6647875 Roller structure in printing press  
A roller structure in a printing press includes a dampening form roller, gear, belt, belt roller, clutch member, nut, movable element, and snap rings. The dampening form roller is supported...
6601512 Method of feeding dampening water in a printing machine  
A method of feeding dampening water includes a density measuring step for measuring densities of first and second detecting patches 101 and 102 printed adjacent each other on printed matter ...
6595132 Roller for a roller frame fitted with rollers and being in a rotary printing machine  
A roller for a roller frame fitted with rollers and being in a rotary printing machine, the roller comprising a roller shaft and a first rotational body freely rotatably mounted on the roller shaft...
6584902 Inking roller nip width adjustments in a rotary printing press  
A rotary printing press has one or two inking rollers each in rolling engagement with both an ink supply cylinder and a plate cylinder. Each inking roller is identically supported by a first pair...
6581802 Liquid supply device  
A liquid supply device, particularly for gluing machines, coating machines, paper moistening machines and printing machines. It includes an airtight container of collapsible design including at...
6546860 Dampening unit for a printing press  
A dampening unit for a printing press contains a first roller and a second roller that together form a slip gap. The dampening unit is distinguished in that a pivot axis, about which the first...
6460455 Method for dampening a planographic printing form and dampening unit of a planographic printing machine for performing the method  
A method for dampening a rotating planographic printing form via an ink applicator roller for indirectly dampening the planographic printing form and via a connecting roller in engagement with the...
6418846 Roller  
A friction roller is connected, in an articulated manner, in the area of its axis of rotation, to one end of a connecting rod. The second end of this connecting rod is connected, in an articulating...
6374732 Dampener for use in lithographic presses  
A dampener for use in dampening the distribution roller of a printing press of the lithographic type includes: a hollow, perforated roller adjacent to the distribution roller; a dampening solution...
6354202 Dampening unit of a planographic printing machine  
A dampening unit of a planographic printing machine has a pan roller, a transfer roller, and a dampening unit roller. The transfer roller is held in bearing contact against the dampening unit...
6336403 Dampening system for printing machines  
A fluid dampening system for a printing machine has a frame and a printing roll on the frame for holding a circular printing plate. A fluid reservoir is on the frame and a fountain roll is on the...
6330859 Method for activating a dampening apparatus  
A dampener activation apparatus is disclosed for engaging and disengaging a dampener with a plate cylinder of a printing press and for engaging and disengaging a drive gear with a roller in the...
6318264 Printing machine and printing process  
A printing machine includes a printing form, an optical imaging unit for directly imaging the printing form, and an inking unit for inking the printing form, the printing form having a surface...
6302019 Apparatus and method for adjusting skew in a printing press dampener  
A method and apparatus for adjusting skew settings in a dampener in a printing press. One or more skew adjustment linkages connect skew adjustment rods for the upper and lower dampeners of each...
6298779 Rotary press  
In a rotary press, ink transferring rollers and water transferring rollers provided in printing units are capable of separately and speed-variably controlled respectively by ink transferring...
6293191 Dampening roller  
A dampening roller, which functions reliably and which can be driven by friction has a surface of a rubber-elastic material. Drive rings of equal diameter to that of the working surface of the...
6257144 Method of metering dampening solution when printing with a printing form for offset printing  
A method of metering dampening solution when printing with a printing form for offset printing, including, with a control device, setting an amount of dampening solution on the surface of the...