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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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