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8176845 |
Form cylinder of a printing press comprising a plurality of sections in series on its circumferential surface in its axial direction, and printing couple comprising such form cylinder
A form cylinder of a printing machine includes a plurality of sections in series in an axial direction of the cylinder surface. At least one printing form is arranged in each one of these sections....
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8161875 |
Apparatus and method for changing printing plates
An apparatus and method for changing printing plates is disclosed. A printing plate cartridge for a printing press has multiple cases for accommodating printing plates to be removed during a...
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8146496 |
Printing plate handling device
A printing plate handling device for holding a printing plate (11) adjacent to one edge (12) of the plate, especially adjacent to a bent-over leading edge or a bent-over trailing edge of the...
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8136446 |
Plate for rotary processing machine and method of mounting of the same
Provided is a pair of plates for a rotary processing machine having the following configuration and a method of mounting the same by which the pair of plates can be mounted on the respective outer...
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8127677 |
Plate inserting apparatus including braking unit for braking the plate
A plate inserting apparatus includes a plate cylinder, press roller, and braking unit. A plate is to be mounted on the outer surface of the plate cylinder. The press roller is rotatably supported...
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8100054 |
Clamping device, system and method for clamping flexible plates onto an imaging cylinder
An imaging cylinder includes a clamping device embodiment with a pair of independent adjacent clamping elements, and a method embodiment includes placing end edges of a flexible plate between each...
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8096240 |
Method for handling printing plates
Exposed printing plates are bent in the area of a bending device to form a leading end and a trailing end. Each exposed and bent printing plate is grasped in the area of the bending device at the...
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8087356 |
Handling device of a printing press
A handling device of a printing press, in particular for handling printing plates during an automated change of printing plates on a printing unit of a printing press, is disclosed. The handling...
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8069787 |
Printing couple, printing press, and methods for operating a printing couple
A printing group of a printing press includes at least one form cylinder that has at least one axially extending opening on the external surface of the cylinder. That at least one axially extending...
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8042468 |
Device for mounting a printing plate on a plate cylinder of a printing press, printing unit having the device and printing press having the printing unit
A device for clamping and tensioning an edge of a printing plate on a plate cylinder of a printing press includes a single actuating shaft for releasing clamping and tensioning forces. The...
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8006618 |
Device and method for performing a printing plate change on a plate cylinder of a printing press
A device and method for performing a printing plate change on a plate cylinder of a printing press is disclosed. The device includes a rolling element featuring several rollers for pressing at...
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7966933 |
Apparatus and method for clamping printing plates on a plate cylinder
An apparatus and method for clamping printing plates on a plate cylinder is disclosed. A clamping element is integrated into a lockup slot of a plate cylinder with an actuating element. The...
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7963226 |
Method for operating a printing unit having at least one press unit, and a press unit for carrying out the method
A printing unit has at least one press unit having a plate cylinder with at least one printing plate that can be mounted on the plate cylinder and which carries a printing image. The plate cylinder...
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7918162 |
Apparatus for transporting sheets with a gripper device
An apparatus for transporting sheets to or in a sheet-processing machine includes a gripper device having at least one gripper with a gripper housing and a gripper pad. The gripper is actuatable by...
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7861654 |
Cylinder with retaining device and a control assembly for controlling the force exerted on the retaining device
A cylinder of a printing machine is provided with at least one axially extending channel located beneath the circumferential surface of the cylinder. At least one plate end holding device is...
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7849796 |
Web offset printing press with articulated tucker
An offset web print unit includes a plate cylinder, a blanket cylinder, the plate cylinder being movable during a throw-off operation, and a tucker bar for tucking plates into the plate cylinder,...
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7823507 |
Printing die clamp
It is proposed to provide a printing die clamp which can clamp a printing die by rotating the take-up shaft without rotating the printing cylinder. A printing die clamp is proposed for clamping a...
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7784402 |
Method for loading printing plate on imaging device
A method for aligning the leading edge of printing plate (110) to an axially disposed slot (70) in a cylindrical surface (30) of an imaging drum (20) comprising at least one printing plate clamp...
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7766806 |
Method for the production of a rotating member and rotating member of a printing press
A rotating member of a printing press is typically a cylinder that is provided with a circumferential area. A securement channel or a flow channel, which is at least partly open toward the...
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7765928 |
Printing plate material spool and method of loading the spool
Printing plate material supply spool (PMSS) for a printing machine or plate-imaging machine and a method of loading it is provided. An exemplary PMSS can comprise a printing plate material film...
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7748319 |
Printing assembly including a plate holding device
This printing plate (6) for a rotary press includes a head (22) for fastening to an impression cylinder, and a tail (24) for fastening to the impression cylinder. The fastening head (22) includes a...
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7730836 |
Method of aligning a printing plate against a stop
A reliable method of aligning a printing plate against a stop includes moving the printing plate and the stop relative to each other, detecting temperature changes occurring at a temperature sensor...
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7730835 |
Holding apparatus for holding a flexible plate on a circumferential surface of a holder of a printing machine
A holding apparatus holds a flexible plate wound on a circumferential surface of a holder of a printing machine. A holding apparatus includes a hole section made in the holder along an axial...
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7699001 |
Apparatus for pressing a covering onto a printing-unit cylinder for a rotary press
A plurality of longitudinal channels for supplying pressure medium are arranged within a carrier having a closed profile. A plurality of operating cylinders have pressure spaces which are...
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7690302 |
Device and methods for raising and/or lowering a printing form
A printing form is either raised or is lowered by the use of a pressure device which includes a roller. The roller is arranged on a cross-beam in such a way that the roller can selectively be...
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7681499 |
Gap filling member for blanket cylinder
A filling member for filling the concave portion of a blanket face which is generated along the opening portion of a groove of a blanket cylinder comprises a wedge-shaped limb portion and a head...
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7677173 |
Blanket holding rail
In the case of a blanket holding rail for the releasable attachment of a blanket (12) on a printing mechanism roll comprising two holding limbs (13a and 13b) having an elongated configuration, and...
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7669529 |
Apparatus for mounting and dismounting sheet material to and from a drum
An apparatus for mounting and demounting a materials sheet onto and from a cylindrical surface of a drum (10) has clamps (40) pivotably arranged upon the sheet materials drum. The clamps have a...
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7650837 |
Printing machine having a rotation transmitter for introducing a liquid or gaseous medium
A rotating element of a printing machine is connected to a rotation transmitter that is usable to introduce a liquid or a gaseous medium into the rotating element. The rotation transmitter includes...
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7644658 |
Transfer drum and blanket fastening assembly
A blanket fastening assembly for securing an image transfer blanket to an intermediate transfer member drum of an electrostatic printer comprising a resilient biasing arrangement adapted to be...
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7641194 |
Drum for conveying a sheet
A drum for conveying a sheet has a cohesive sheet-guiding surface provided at little effort or cost and includes a drum body, a jacket forming a circumferential surface and a device for fixing the...
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7640855 |
Clamping device for a printing plate
Disclosed is a clamping device (02) for fastening a plate (03) to the periphery of a cylinder (01). Said clamping device (02) comprises a first clamping element (04), a pivotally mounted second...
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7637209 |
Method of changing the mounting condition of a printing master on a printing master cylinder
A method according to the invention of changing the mounting condition, in particular of mounting or dismounting of a printing master on a printing master cylinder having a first receiving element...
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7617772 |
Balancing system for balancing a printing drum and method for balancing the printing drum
In a balancing system and a method for balancing a drum of a printing plate exposer, at least one mass element is provided which can be moved substantially in the circumferential direction of the...
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7581494 |
Cylinder for processing sheets of printing material and printing press having the cylinder
A cylinder for processing sheets of printing material includes a clamping channel having a central region and edge regions. A tool plate punches and/or scores and/or perforates the sheets. A...
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7568427 |
Ink transfer device for a printing press
An ink transfer device which can be clamped on a rubber covered cylinder in a printing press includes a rubber blanket for transferring ink from a printing forme to a printing material, the blanket...
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7565865 |
Plate inserting device
A plate inserting device includes a plate cylinder, roller, and rotation braking unit. The plate cylinder has a groove portion in its outer surface to extend in an axial direction. A plate is to be...
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7555983 |
Plate handling apparatus
A plate handling apparatus includes a loader, first and second air cylinders, and first and second detection units. The loader is supported to be movable substantially parallel to a paper convey...
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7523703 |
Printing group of a rotary printing press
A printing group of a rotary printing press includes at least one forme cylinder and at least one transfer cylinder. The forme cylinder has at least two printing forme end channels. These two...
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7490546 |
Image recording apparatus
To record images accurately regardless of rigidity and size of a recording medium, each rear end clamp has a clamp rubber element for engaging a variable margin of the recording medium mounted...
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7487725 |
Method and apparatus for securing a printing plate on a plate cylinder
A method and apparatus for securing a printing plate on a plate cylinder is disclosed. A tensioning bar is moved by an actuating device toward an entrance slot defined by an outer circumferential...
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7478592 |
Clamping device for clamping a flexible covering on a cylinder of a printing machine
A clamping device for clamping a flexible packing (2, 3) of a cylinder (1) of a printing press, which cylinder has an axial channel (6) on a jacket surface, the clamping device includes a clamping...
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7464644 |
Devices and methods for raising and/or lowering a printing form
A printing form is either raised or is lowered by the use of a pressure device which includes a roller. The roller is arranged on a cross-beam in such a way that the roller can selectively be...
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7415926 |
Stencil printing machine with stencil clamping portion
A stencil clamping portion which clamps a tip end of a stencil sheet on an outer peripheral wall of a drum is provided, and the stencil sheet clamped by the stencil clamping portion is wound and...
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7412924 |
Printing blanket assembly for a blanket cylinder including filler material at blanket ends
A printing blanket assembly for a blanket cylinder of a rotary printing press includes a dimensionally stable support plate, and a printing blanket fastened to the outside of the support plate. A...
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7406917 |
Device for fastening a covering on a cylinder of a rotary press
A printing cylinder having an axis-parallel channel in the cylinder, the channel narrowing toward the surface to form a slot for receiving the ends of a covering; a clamping member arranged in the...
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7404357 |
Device for pressing on a flexible printing form when it is being pulled onto a form cylinder of an offset printing press
A device for pressing on a flexible printing form when it is being pulled onto a form cylinder of an offset printing press. The device makes it possible to use an offset cylinder which is not in...
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7403725 |
Imaging drum driving methods and apparatus providing automated setting of control parameters
In a drum based imaging system where it may be necessary to change the drum to accommodate different imaging media sizes there is a need to adapt the drum rotational drive system to control the new...
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7367265 |
Method and device for mounting dressings onto the cylinder of a printing press
A packing or dressing is mounted on a cylinder of a rotary printing press. A dressing suspension leg, situated at an end of the dressing extending in the production direction of rotation of the...
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7363858 |
Printing apparatus with plate feeding mechanism having transport rollers
A printing apparatus includes a printing plate feeder for feeding printing plates to a first plate cylinder. The printing plate feeder has a pair of transport rollers acting as a leveling roller...
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