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| Number | Title | Issue Date |
| 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 forme cylinder of the respective press unit in such a way that a ductor r... | 08/04/2009 |
| 7334520 | Printing press and device for the inline monitoring of printing quality in sheet-fed offset printing presses A printing press for processing sheet printing materials includes at least one printing unit, a computer and a measuring device for monitoring printing quality during a printing process. The measuring device has a sensing device for measuring by color or spectrally ... | 02/26/2008 |
| 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 |
| 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 |
| 6857366 | Printing press ink transfer mechanism and employment of same A printing press ink transfer mechanism includes a primary flow metering device to monitor the flow ink supply and a secondary flow metering device to monitor the return flow of the ink to the supply. The difference in ink flow between the supply and return is deliv... | 02/22/2005 |
| 6575092 | Color supply device for a color ductor A color ink supply device for an ink ductor in a rotary printing press achieves an even color distribution on the ink ductor. A plurality of ink supply devices are arranged axially along the ink ductor. Each ink supply device includes a main chamber and m... | 06/10/2003 |
| 6490972 | Offset printer having mechanism for moving ink rollers into contact with and out of contact from plate cylinder An offset printer capable of contacting a plurality of ink rollers of a predetermined ink supply unit with a predetermined plate segment on a plate cylinder, and capable of out of contacting the ink rollers from a remaining plate segment on the plate cyli... | 12/10/2002 |
| 6289811 | Method and apparatus for sampling and inspecting ink for a printing press A sample of printing ink for a printing press is obtained using actual press components. An anilox roll for the press is supplied with ink and is rotated while the anilox roll is either mounted on the press or mounted off-line from the press. A printable ... | 09/18/2001 |
| 6279473 | Inker unit An inker unit for a printing unit of a web-fed rotary printing press has a pair of ink application rollers in direct contact with a forme cylinder and with a central, ink receiving roller. A pair of inking rollers are also in direct contact with the ink r... | 08/28/2001 |
| 5588365 | Apparatus for metering liquid media in offset printing machines The invention relates to an apparatus for the metering of liquid media, especially varnish, of differing viscosity in an offset printing machine. Exchangeable metering subassemblies are assigned to a form cylinder. The first metering subassembly provided ... | 12/31/1996 |
| 5584243 | Conversion kit for a gravure printing unit The conversion kit includes a pair of side frame mounting plates, one for each side frame of an older printing unit, wherein the mounting plates are mounted on the inwardly facing surfaces of their respective side frames after a cylinder, an ink fountain,... | 12/17/1996 |
| 5536314 | Inking roller assembly for web printing The invention relates to a paper coloring apparatus for especially water colors or water-based inks, wherein a driven running paper web is positioned around a turning roller constituting the counter pressure roller for an inker and, together with the latt... | 07/16/1996 |
| 5526743 | Dampening systems for lithographic printing Apparatus and method are disclosed for lithographic printing whereby the dampening water input from a non-contact source is conveyed to the printing plate as an admixture in the ink by the inking train of rollers and adjuncts thereof having at least four ... | 06/18/1996 |
| 5517917 | Method and apparatus for metering liquid media in offset printing machines, preferably for varnishing units Method and apparatus for metering liquid media of different viscosity and preferably for metering liquid media for application to a printing carrier in varnishing units. In order to assure precise metering, exchangeable metering systems are assigned to a ... | 05/21/1996 |
| 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 |
| 5408928 | Printing presses with inking units An inking unit for rotary printing machines comprising driven distributor rollers, inking-unit rollers and plate-inking rollers which are mounted so as to be disengageable from a plate cylinder such that, when adjusting an inking-unit roller, the contact ... | 04/25/1995 |
| 5388514 | Inking unit for printing machines An inking unit for printing machines comprises a plate cylinder and a plurality of plate inking rollers being continuously fed with ink by a plurality of inking rollers; seen in direction of rotation of the plate cylinder, the primary ink flow being suppl... | 02/14/1995 |
| 5370046 | Inking unit for printing presses An inking unit for printing presses, preferably offset printing presses, can have a plurality of plate-inking rollers for inking a plate cylinder along with a multiplicity of inking rollers. The inking rollers can be positioned to supply ink flow, in at l... | 12/06/1994 |
| 5357864 | Offset printing apparatus with ink storage device An offset printing apparatus provides good adhesion of ink onto the roller of the feeding route by efficiently fractionizing the dampening fluid supplied to the ink device. An ink device has an ink feeding route including an ink metering roller and an ink... | 10/25/1994 |
| 5341733 | Short inking apparatus for a rotary press A short inking unit for an offset rotary printing unit that has a dampening fluid system includes at least a first additional pair of rollers. A first roller of this first additional roller pair contacts a forme cylinder and a second roller of this first ... | 08/30/1994 |
| 5218903 | Press dampening system A dampening system has a pan for containing dampening fluid, and transfer and metering rollers for bringing dampening fluid up out of the pan. A transition roller contacts one of the transfer and metering rollers. The transition roller is movable between ... | 06/15/1993 |
| 5201271 | Inking device for a rotary offset printing machine The present invention relates to an inking device for a rotary offset printing machine. This device is characterized in that the inking table is driven in rotation in the same direction as the ink fountain roller and in that an even number, equal to at le... | 04/13/1993 |
| 5178066 | Speed match ductor assembly In a printing press, a ductor assembly for transferring ink from a slowly rotating fountain roll to a rapidly rotating ink receiving roll includes a carriage and first and second idler rolls supported in counterrotating engagement on the carriage. In one ... | 01/12/1993 |
| 5170706 | Sheet fed rotary printing press A printing press having an inking unit and a wetting unit, which cooperate with a printing form by means of an inking roller and a wetting roller, having a control device for moving the wetting roller into an engagement or disengagement position with resp... | 12/15/1992 |
| 5090314 | Inking and dampening mechanism for a reversible printing unit of a rotary offset printing press A reversible printing unit is equipped with a central distributing roller (9), with which a first transfer cylinder (8) and a second transfer cylinder (12) can be engaged or disengaged independently from one another. A respective dampening mechanism (10) ... | 02/25/1992 |
| 5081925 | Selective drive for a damping unit metering roller in an offset printing press A selective drive for a metering roller in a damping unit of an offset printing press which enables the metering roller to be driven by the damping fluid fountain roller without peripheral slip during the joint washing of the damping unit and inking unit.... | 01/21/1992 |
| 5067401 | Moistening water supply apparatus for printing press Disclosed is a moistening water supply apparatus for a printing press. The apparatus includes, between a moistening water tank and the printing cylinder of the press, a rubber roller and a moistening roller. Each of the rubber roller and the moistening ro... | 11/26/1991 |
| 5010820 | Process for the defined production of an ink distribution appropriate to a production run in the inking unit of rotary printing presses In the inking unit of a rotary printing press stand, a specified zonal adjustment for each print job is made to the ink ducts, which corresponds to the ink consumption required for the printed product in question. To create an ink distribution in the inki... | 04/30/1991 |
| 5003871 | Inking unit for a rotary offset printing machine An offset inking unit includes a distributor roll having a first roll train that communicates via a first branch roll with an ink transport roll engaged, as viewed in the direction of rotation of the plate cylinder, by two front inking rolls and having a ... | 04/02/1991 |
| 4964337 | Ink roller An inker and form roller unit for a printing press includes a continuously rotating fountain roller for carrying ink from a reservoir. A combi-roller is in constant contact with a distribution roller to deliver ink to rollers of the printing press. The co... | 10/23/1990 |
| 4960051 | Ink feeder driver for rotary press An ink feeder driver for a rotary press in which switching of ink feeder drive paths can be effected by merely effecting a selection as to whether first and second gears are to be coupled together via only a second idle gear of via both first and second i... | 10/02/1990 |
| 4922818 | Wetting/inking mechanism for offset printing presses In general, the invention features a mechanism for applying a wetting agent or ink in a printing press, the printing press including a plate cylinder, an ink reservoir and an ink transfer apparatus for transferring the ink from the ink reservoir to the pl... | 05/08/1990 |
| 4882991 | Change-over inking unit of a sheet-fed rotary press A sheet feed rotary press having a main ink feed unit and a plate cylinder, at least one of a plurality of transfer and applicator rolls coupled between the main ink feed unit and the plate cylinder being moveable to an inoperative position for selectivel... | 11/28/1989 |
| 4821641 | Dampening and bridging apparatus for a duplicating machine A bridging roller is disposed between the upper form roller of the inking system and the dampening form roller of the dampening system. The bridging roller's mounting means are offset from the axis of rotation of the bridging roller such that selective or... | 04/18/1989 |
| 4813354 | Dampening system for printing machines A dampening system for a printing apparatus incorporates a water fountain and a fountain roller partly immersed in water held in the water fountain. A metering roller is pivotally mounted for swinging movement about the axis of the fountain roller. A form... | 03/21/1989 |
| 4787312 | Variable unit for supplying ink in an offset printing machine An ink supply unit for an offset printing machine includes an ink fountain roller and a distributing roller spaced from and rotating faster than the ink fountain roller. A rotatable transfer roller oscillates between a first position in contact with the i... | 11/29/1988 |
| 4782753 | Printing couple for newspaper and periodical printing A switchable printing couple particularly suited for use in newspaper and periodical printing is disclosed. A counter pressure cylinder and plate cylinder cooperate to print a moving paper web. An ink fountain, which does not require ink keys, supplies in... | 11/08/1988 |
| 4771691 | Sheet-fed press with impression cylinder having air suction mechanism A sheet-fed press is disclosed which comprises: an ink-distribution system; a plate cylinder for supporting a plate; a paper feeding means; an impression cylinder for supporting the fed printing paper; an air passage provided in the impression cylinder; a... | 09/20/1988 |
| 4729308 | Convertible moisture/ink system in printing or duplicating machines A conversion system for readily changing a printing couple of a printing or duplicating machine between a separated system wherein moisture and ink are distributed to a master cylinder through separate paths and an integrated system wherein the moisture a... | 03/08/1988 |
| 4729307 | Form roller attachment for lithographic press An attachment for a lithographic press includes an additional form roller with a chain of ink rollers from an auxiliary oscillator roller to the form roller mounted in a detachable frame assembly, including a gear train for driving the rollers and an ecce... | 03/08/1988 |
