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| Number | Title | Issue Date |
| 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. The form cylinder has at least one channel, also extending in the ax... | 05/15/2012 |
| 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 opening forms a channel in the cylinder and in which channel several... | 12/06/2011 |
| 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 channel and urged toward the slot by springs, the clamping member hav... | 08/05/2008 |
| 7370579 | Printing blanket assembly for a blanket cylinder and method for producing a printing blanket assembly A printing blanket assembly for a blanket cylinder of a rotary printing press includes a dimensionally stable support plate with a printing blanket secured to an outer surface of the support plate. A filler material is arranged on at least one end of the printing bl... | 05/13/2008 |
| 7363857 | Cylindrical outer surface scanning apparatus Depending on the lateral width thereof, an image recording material P is stably positioned on a recording drum, employing two positioning pins with an appropriate pitch therebetween. Non-contacting portions prevent any irrelevant positioning pins from coming into co... | 04/29/2008 |
| 7350462 | 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 portion capable of filling the concave portion. The limb portion is ins... | 04/01/2008 |
| 7334522 | Apparatus and method for reducing oscillations in a web-fed rotary press An apparatus and method for reducing oscillations in a web-fed rotary press are disclosed. The apparatus includes a form cylinder of a web-fed rotary press, having at least one clamping device for fastening at least one printing plate on the form cylinder. The clamp... | 02/26/2008 |
| 7328656 | Printing device A printing device has a support roll and a sleeve having at least one sleeve element and detachably mounted on the support roll, wherein the sleeve, when mounted on the support roll, surrounds at least partially the support roll. At least one printing plate is adapt... | 02/12/2008 |
| 7322917 | Embossing cylinder with interchangeable sleeve and with system for locking the sleeve at the ends and embossing machine comprising said cylinder The rotating cylinder for processing a web material comprises an essentially rigid cylindrical core (13), on which is fitted an interchangeable sleeve (45) of elastically expandable material whose rigidity is less than that of the material of the core;... | 01/29/2008 |
| 7320282 | Cylinders of a web-fed printing press with axially displaceable holding device A cylinder of a printing unit of a web-fed printing press includes a cylinder channel which receives plate ends and includes plate end retaining devices. A remotely controllable actuating device or an actuator is located in the channel. The actuating device, or actu... | 01/22/2008 |
| 7318994 | Compressible flexographic printing plate construction The present invention relates to an improved compressible flexographic printing plate that uses a compressible layer comprising a polyurethane (meth)acrylate resin and microspheres. The process of the invention produces a chemically fused printing plate that elimina... | 01/15/2008 |
| 7302889 | Device for holding a dressing on a cylinder including a holding member and bow in the channel At least one dressing, such as a printing forme, is secured to the surface of a cylinder of a rotary printing press by securement devices. These securement devices are arranged in an axially extending channel on the surface of the cylinder. The channel is defined by... | 12/04/2007 |
| 7285180 | Perforated deck made out of a plurality of segments A cylindrical rotating thickening device including an axial core, a plurality of longitudinally extending spaced apart support ribs extending radially from the axial core, and a shell surrounding the support ribs and supported thereon. The shell includes a plurality... | 10/23/2007 |
| 7234397 | Devices for fixing at least one packing to a cylinder of a rotary printing press and printing group comprising said devices Devices are used for fixing or attaching at least one packing or dressing to a cylinder. A retaining element is located in a channel in the cylinder and retains one end of the dressing or packing. A spring element is also located in the channel and cooperates with t... | 06/26/2007 |
| 7210406 | Cylinder pair having a plurality of printing formes and blankets and offset groove openings A cylinder of a printing unit of a rotary offset printing machine has a periphery and an axial length. The peripheral surface of the cylinder is divided, in the axial length, into at least three sections that are positional next to one another. The peripheral surfac... | 05/01/2007 |
| 7207268 | Apparatus and method of enhancing printing press cylinders A printing press cylinder and a method of manufacturing the same. The printing press cylinder includes a rigid base member having a reduced radius section and a polymer layer formed about the rigid base member generally within the reduced radius section. The polymer... | 04/24/2007 |
| 7156018 | Printing couple in a printing machine with a pivotable transfer cylinder A printing couple in a printing machine is comprised of at least three cylinders, a forme cylinder, a transfer cylinder and a counter-pressure cylinder. The counter-pressure cylinder forms a printing location or point in cooperation with the transfer cylinder. The t... | 01/02/2007 |
| 7150224 | Rubber blanket plate for clamping onto a cylinder The rubber-blanket plate comprising a carrier plate (2) on which functional layers (3) are arranged. The functional layers (3) include a covering layer (4), a woven-fabric layer (5) and a compressible layer (6). At the two e... | 12/19/2006 |
| 7134394 | Printing cylinder with clamping channel and rotatable spindle clamping mechanism The printing cylinder such as a rubber blanket cylinder of a web fed offset printing machine is provided. The printing cylinder includes a rotatable clamping mechanism in a clamping channel. A side of the clamping channel is configured so as to be movable such that ... | 11/14/2006 |
| 7131378 | Device for processing a printing substrate A device for processing a printing substrate (22), having at least one processing tool (10), in particular a die plate or a perforating knife, which is accommodated on a rotatable carrier body (14); the carrier body (14) being at least pa... | 11/07/2006 |
| 7121200 | Roller parallelism adjustment structure A roller parallelism adjustment structure is provided for, a roller feeder having, a transfer roller and an impression roller. The transfer and impression rollers are located between the first end and the second end of the roller feed for transferring a material fro... | 10/17/2006 |
| 7111555 | Method and device for reducing vibrations on rotating parts, and vibration-damped rotating part A method and a device is used for reducing vibrations on at least two rotating elements, such as cooperating cylinders, which roll in opposite directions while situated in contact with each other. At least one of the elements has a surface protrusion that projects f... | 09/26/2006 |
| 7100502 | Device for fixing a cover on a cylinder of a printing unit To provide a device for fixing a covering to a printing-unit cylinder in which, while implementing a narrow gap in the cylinder circumferential surface, the legs of the covering can be tensioned easily and reliably, a spindle bears a trailing channel edge of a tensi... | 09/05/2006 |
| 7102476 | Method to estimate attractive force in a permanent magnet chuck The design of permanent magnet chucks of desired specified attractive force at the base or working face of the chuck is expedited by the discovery of a general correlation between two specific engineering parameters. The attractive force intensity expressed as force... | 09/05/2006 |
| 7096788 | Device for mounting a printing plate on a plate cylinder for a rotary printing press A plate cylinder adapted for a rotary printing press has a cylinder jacket and a recess followed by a clamping channel which extend at least approximately parallel to the rotational axis of the plate cylinder inside the cylinder jacket. The printing plate has a lead... | 08/29/2006 |
| 7094290 | Light guiding plate manufacturing apparatus and light guiding plate manufacturing method A light guiding plate is manufactured with accuracy and at low cost. This invention comprises a cylindrical roller, which has a heater built-in, rotating while fixing a stamper having a dot pattern formed on its surface, substrate fixing means for reciprocating alon... | 08/22/2006 |
| 7082873 | Inexpensive, wash-free integrated cover for printing press transfer cylinders The invention is a simple, inexpensive, wash-free integrated cover for a printing transfer cylinder (preferably, but not necessarily, in a Komori press), comprising a flexible jacket covering permanently attached to a cylinder base cover. The invention provides adva... | 08/01/2006 |
| 7066090 | 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 receiving channels. These two channels are spaced circumferentially. At least one of these for... | 06/27/2006 |
| 7051632 | Magnetic rotary die A rotary cutting die which is mountable on a metal cylinder. The rotary cutting die includes a rotary die plate having a concave, inner surface which is magnetically attractable and magnetically mountable on a metal cylinder. A cutting blade is mounted on a concave,... | 05/30/2006 |
| 7028612 | Interchangeable embossing plates for mounting on an embossing roll A plurality of curved plates which are adapted to be mounted on an embossing roll are identically engraved with an embossing pattern that matches the plate dimensions, permitting them to be interchanged or replaced without disrupting pattern discontinuity. In one em... | 04/18/2006 |
| 7021210 | Printing press cylinder A multipart printing press cylinder. A pair of hubs have an inner bore for mounting on a press shaft. Each hub is made in two parts which may be positioned about the press shaft and attached to each other by, e.g. screws. Each hub has a profile section. A pair of pa... | 04/04/2006 |
| 6976429 | Method for tightening an embossing plate ring on a chuck A method for tightening an embossing plate ring on a chuck of a rotary embossing press, wherein the chuck is intended to be connected to a heater for leading the embossing plate ring to a working temperature. Between the chuck and the embossing plate ring is a split... | 12/20/2005 |
| 6957608 | Contact print methods A method of and device for controlled printing using liquid embossing techniques is disclosed. In accordance with the embodiments of the invention a stamp comprises a differentiated embossing surface with protruding and recessed surfaces to enhance the ability of th... | 10/25/2005 |
| 6946178 | Lamination and delamination technique for thin film processing This invention discloses a releasable adhesion layer having good adhesion during high temperature fabrication process in the absence of light, and delaminating at a lower temperature in the presence of light. One embodiment of this invention is a film of polymer who... | 09/20/2005 |
| 6941866 | Mechanism for positioning a cylinder dressing A mechanism is used for mounting a dressing on a cylinder of a printing press. The mechanism is fitted with at least one stop which is effective in an axial direction of the cylinder. The stop allows the cylinder dressing to be arranged on the cylinder with pressure... | 09/13/2005 |
| 6935234 | Lithographic newspaper printing press A lithographic newspaper printing press including printing units which are mounted on top of each other, forming a tower arrangement. Each printing unit including a first and a second plate cylinder having a length being substantially four times the width of a newsp... | 08/30/2005 |
| 6925934 | Cylinder of a printing machine A cylinder of a rotary printing machine has a peripheral surface which is divided into at least two segments that are situated adjacent to each other, in an axial direction of the cylinder, by a circumferential groove. Those circumferential grooves can be closed by ... | 08/09/2005 |
| 6925936 | Imaging assembly for imaging printing plate including magnetic drum and registration system A method of using a printing plate includes, in a first step, setting an image on the printing plate in an imaging machine, while holding the printing plate firmly on a magnetic cylinder of the imaging machine during the imaging process, and in a second step, printi... | 08/09/2005 |
| 6925923 | Rotary cutting die mounting system A clamping mechanism for securing a cutting die board to a rotary support cylinder, including a double-acting pressure cylinder having a piston rod coupled to a clamping bolt which cooperates with a keyhole-shaped slot formed through the cutting die board, and an ar... | 08/09/2005 |
| 6920823 | Photosensitive device, image forming apparatus and method for forming images A photosensitive device has a cylinder, a photosensitive sheet slidably wrapping outer surface of the cylinder, and a feeding roller in the cylinder. The feeding roller feeds the photosensitive sheet to the outer surface of the cylinder sequentially. The photosensit... | 07/26/2005 |
