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| Number | Title | Issue Date |
| 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 subjectible to the action of a pressure medium and presses the displaceable r... | 06/17/2008 |
| 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 force. ... | 05/13/2008 |
| 7258065 | Devices for adjusting the contact pressure of an adjustably mounted cylinder The contact pressure between an adjustably mounted first cylinder and a second cylinder in a printing machine, and particularly in a web-fed printing machine can be adjusted. An actuator is usable to force the first cylinder toward the second cylinder with an adjust... | 08/21/2007 |
| 7150226 | Apparatus for positioning a roll in an inking or damping unit of a rotary press An apparatus is provided for positioning a roll in an inking or damping unit of a rotary press with respect to at least one adjacent roll. The axle of the first roll is mounted in at least one bearing arrangement that is movable with respect to a side wall of the pr... | 12/19/2006 |
| 7117792 | Method and devices for regulating at least one cylinder in a printing press The forces exerted by actuators are detected and devices are provided, which use those detected forces to regulate a pressure force exerted by one cylinder against another cylinder in a printing machine. The several forces can also be used for placing or removing on... | 10/10/2006 |
| 7111553 | Method of kneading ink of a printing press and printing press In a printing press, ink fountain keys are disposed to be movable toward and away from an ink fountain roller of an ink fountain to allow them to have a predetermined gap therebetween and hence the amount of ink to be fed to a downstream roller to be determined. The... | 09/26/2006 |
| 7021209 | Devices for adjusting the contact pressure of an adjustably mounted cylinder The contact pressure between an adjustably mounted first cylinder and a second cylinder in a printing machine, and particularly in a web-fed printing machine can be adjusted. An actuator is usable to force the first cylinder toward the second cylinder with an adjust... | 04/04/2006 |
| 6892637 | Self-inking stamp with ink cartridge barrier A stamp pad holder for use in a self-inking hand stamp. The stamp pad holder has a stamp die box that holds a stamp forming material, ink cartridge and plastic within the die box. The stamp forming material is placed at the bottom of the die box. A pre-inked ink car... | 05/17/2005 |
| 6612233 | Sheet feed offset press The present invention provides a method for operating a sheet-fed offset press so as to reduce the occurrence of spoilage caused by nonuniform printing. In this method, the timing of start of oscillating motion of oscillating rollers is regulated. Also, t... | 09/02/2003 |
| 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 of roller support members mounted one adjacent each end of ... | 07/01/2003 |
| 6347585 | Variable gap stabilizer A gap adjusting device for a rotary press comprises a frame and a fountain roller and a metering roller which are both rotatably mounted relative to the frame. A gap is defined between the metering roller and the fountain roller, and an adjustment member ... | 02/19/2002 |
| 6324976 | Device for the positioning and removal of an ink chamber doctor at the anilox roller of a printing machine An ink chamber doctor, bearing two doctor blades that are arranged in the shape of a roof can be placed in position at an anilox roller of a printing machine and moved away from the same. To guarantee that the central plane of the ink chamber doctor alway... | 12/04/2001 |
| 6178887 | Leak-free ink supply apparatus for keyless printing An ink fountain has one side closed by a fountain roller constantly exposed to the ink contained therein. Forming a part of the fountain bottom, a blade assembly defines in combination with the fountain roller an ink outlet which is to be closed and opene... | 01/30/2001 |
| 6098542 | Method and device for force loading a rubber blanket roller in a printing press A rubber roller in a printing press inker or dampener is force loaded against its adjacent rollers with hydraulic cylinders. The bearings of the adjacent rollers are fixed in the machine frame, while the position setting sockets of the rubber roller are s... | 08/08/2000 |
| 5588361 | Device and method for inserting or removing operating parts into or from a printing machine When operating parts, such as a plate cylinder (3), a chamber doctor blade (4), an inking cylinder (5) and an ink trough (6), are to be inserted in a printing machine (13), said operating parts (3,4,5,6) are temporarily secured to a frame (2) adapted to m... | 12/31/1996 |
| 5560294 | Device for inking a screen roller A device for inking a screen roller of a rotary printing machine, with an ink chamber, arranged along side of the screen roller, which has an opening pointing toward the screen roller and which is closed on the front side by side walls and which has at le... | 10/01/1996 |
| 5555806 | Roller assembly in an inking unit or a damping unit of a rotary printing machine The invention provides a roller assembly including a roller for a damping unit or an inking unit in a rotary printing machine, which is supported relative to rollers via a pressure mechanism with springs, for example, a pressure spring and a leaf spring, ... | 09/17/1996 |
| 5520109 | Printing apparatus for continuous rotary printing, in particular suitable for high speed and intermittent printing Improved apparatus for rotary printing of a strip of paper (1) or similar material, comprising a printing roller (2) provided with a cliche (3) brought into contact with a back pressure roller (4) and a screened roller (5) to quickly interrupt and resume ... | 05/28/1996 |
| 5511475 | Printing unit for a rotary offset printing press Printing unit for a rotary offset printing press having a plate cylinder bearing a printing plate suitable for offset-printing operation free of dampening solution, and an inking unit with a multiplicity of inking rollers for inking the printing plate dur... | 04/30/1996 |
| 5476042 | Method and apparatus for applying a liquid medium to a printing carrier in offset printing machines A method and apparatus for applying a liquid medium to a printing carrier in offset printing machines. It is suitable for processing media of different viscosity, such as low-viscosity dispersion lacquers or higher-viscosity bronze and effect printing ink... | 12/19/1995 |
| 5460088 | Printing press A printing press has at least one printing stand with a plate cylinder, an inking unit for providing ink to the plate cylinder, a blanket cylinder, an impression cylinder, a sheet feed device for feeding printing stock into the print stand, and a dampenin... | 10/24/1995 |
| 5228390 | Rotary printing machine with device for engaging a lacquering/rubber-covered cylinder with and disengaging it from an impression cylinder and/or a metering/plate cylinder In a rotary printing machine, there is provided a device for bringing a lacquering/inking cylinder into and out of engagement with at least one of a pair of cylinders including an impression cylinder, the lacquering/inking cylinder being mounted on a shaf... | 07/20/1993 |
| 5191836 | Printing unit for a rotary press A printing unit for a rotary printing press can accomplish a flying plate change by utilizing a pair of forme cylinders in conjunction with an impression cylinder and an ink forme roller which are both pivotably supported. Both the impression cylinder and... | 03/09/1993 |
| 5161463 | Printing system with flying-plate change To positively lock in position a pair of eccentrically journalled blanket cylinders (3, 6), movable between three positions, namely in engagement with a first pair of plate cylinders (1, 4), or a second pair of plate cylinders (2, 5), or in engagement wit... | 11/10/1992 |
| 5119727 | Inking apparatus for printing press In an inking apparatus for a printing press, a rotary lever is rotated by adjusting means disposed between a roller arm and the rotary lever around an axis parallel to a swing shaft of the roller arm to move a cam follower mounted to the rotary lever, and... | 06/09/1992 |
| 5099760 | Apparatus for effecting a rapid adjustment of machine members or the like Apparatus for affecting positional adjustment of a machine member has an adjustment screw nonrotatably connected to the machine member and screwed into a nut formed as a worm wheel. The worm wheel, meshes with a worm, connected by a worm shaft to an actua... | 03/31/1992 |
| 5081927 | Rotary printing press with device for engaging or disengaging a rubber-covered cylinder with an impression cylinder and/or a plate cylinder In a rotary printing press, there is provided a device for bringing a rubber-covered cylinder into and out of engagement with at least one of a pair of cylinders consisting of an impression cylinder and a plate cylinder, the rubber-covered cylinder being ... | 01/21/1992 |
| 5060570 | Flexographic printing machine having common control means for rapid approach and disengagement of cylinders A printing unit for a flexographic printing machine having an individual or sole impression cylinder (10) comprises a plate cylinder (9) and an inking cylinder (11) slidably mounted by means fo supports (16, 25) on a bed (2). In order to facilitate the di... | 10/29/1991 |
| 5033381 | Adjustable mounting bracket for printing or duplicating machine roller A bracket assembly for receiving and positionally adjusting the shaft end of a distribution roller in a printing, duplicating or like machine. A pin head structure is mounted on a framework of the machine. A triangular array of pins project inwardly of th... | 07/23/1991 |
| 5025726 | Movable inker type printing machine An inker for a printing press is automatically detachable to the press when in a clutch-off position, and automatically connects itself to the press when a clutch-on instruction is received.... | 06/25/1991 |
| 5003873 | Flexographic printing machine, especially for flexographic blank printing A flexographic printing machine, especially for flexographic web printing, has at least one printing unit. The printing unit comprises a printing cylinder or an endless printing belt drawn on round a back-up cylinder and a tension roller, an impression cy... | 04/02/1991 |
| 4841855 | Dampening unit for printing press Apparatus is disclosed for dampening a lithographic plate on a printing press cylinder, which includes a fluid supply roller and a metering roller that are disposed in rotatable engagement and carried by a pivotally mounted first hanger. A dampening form ... | 06/27/1989 |
| 4815377 | Engaging and disengaging device for blanket cylinders of a four-cylinder printing assembly for roller rotary offset printing machines A device for engaging and disengaging of blanket cylinders in a printing assembly including two such blanket cylinders and two plate cylinders which are external relative to the blanket cylinder is disclosed. The device comprises a drive and a gear transm... | 03/28/1989 |
| 4602562 | Flexographic printing press comprising a plurality of inking units and plate cylinders A flexographic printing press comprising a plurality of inking units and plate cylinders and at least one impression cylinder, which is driven by a coaxial central gear in mesh with the gears of the plate cylinders rotatably mounted on plate cylinder carr... | 07/29/1986 |
| 4567823 | Arrangement on multi-color rotary presses for application of liquids to a printing unit cylinder The dampening unit of a rotary printing press is provided with additional transmission components and a swiveling stop mechanism so that the dampening unit can also apply a varnish having an arbitrary viscosity. For applying dampening solution to the plat... | 02/04/1986 |
| 4530284 | Rotary printing machine with liquid supply apparatus comprising an endless band A rotary printing machine has a plate cylinder and a liquid supply apparatus comprising an inker and a damper. The liquid supply apparatus includes rollers and an endless band guided over two deflection rollers. The band, which has a surface that accepts ... | 07/23/1985 |
| 4524690 | Water supply apparatus for printing press In a printing press wherein wetting water is supplied to a platen roller thereof through a group of rollers including a water feed roller immersed in a body of water, an adjusting roller, a transfer roller and a water supply roller in contact with the pla... | 06/25/1985 |
| 4524712 | Varnish coater for printed product In a varnish coater for a printed product, a blanket cylinder and a form roller are respectively supported by eccentric bearings to throw on/off the blanket cylinder with respect to the form roller and an impression cylinder and throw on/off the form roll... | 06/25/1985 |
| 4520729 | Inker for rotary printing machine, and method To permit, selectively, thicker or thinner ink films being transferred from an inker supply (1, 2) having a doctor blade (2) to a plate cylinder (10) via ink application rollers (8, 9) and an ink roller train, without readjustment of the position of the d... | 06/04/1985 |
| 4503771 | Mechanism for engaging, disengaging and adjusting applicator rollers with respect to the plate cylinder of printing machines For the rapid simultaneous engagement, disengagement and adjustment of all the applicator rollers at the plate cylinder of a printing machine, cam discs are mounted on the journals independently of the plate cylinder bearing. In an offset printing machine... | 03/12/1985 |
