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Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7258066 | Inking system for flexographic printing presses An inking system of a flexographic printing press with an anilox roller and a printing plate roller involved in color transport is shown. The positions of these two rollers relative to each other and to the impression cylinder are set using positioning elements that... | 08/21/2007 |
| 7188565 | Flexography ink roller unit A ink roller unit comprised of multiple ink rollers axially arrange in parallel on a turntable unit; the turntable unit being provided to a dancer; one end of the dancer being pivoted to a lateral shaft and the other end coupled to a drive unit; the dancer as driven... | 03/13/2007 |
| 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 |
| 6349643 | Method and device for influencing ink-trapping behavior Method of influencing ink-trapping behavior of ink-conducting components of a printing unit in a rotary printing press includes disconnecting at a clutch location an inking-unit drive coming from printing-unit cylinders, directly imaging a printing form o... | 02/26/2002 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5249523 | Inking mechanism for a printing machine An inking mechanism for a rotary offset printing machine in which ink is taken from an ink reservoir in metered quantities and distributed by inking rollers to form an ink film which is adapted to be applied to a printing plate mounted on a plate cylinder... | 10/05/1993 |
| 5189955 | Automatic inking mechanism for paperboard printing machines The present invention relates to an automatic inking mechanism used on a common paperboard printing machine, it mainly comprises a framework reciprocatively movable on a pair of rack rails. Induction means disposed on the framework actuates a cylinder att... | 03/02/1993 |
| 5184556 | Printing apparatus and method A method and apparatus for printing for which turret having a plurality of fountain and doctor blade assembly is translatably, indexably mounted adjacent a transfer roll.... | 02/09/1993 |
| 5123346 | Dampening system A dampening system for a printing press uses a dampening fluid spray system to apply dampening fluid to a first of several serially arranged transfer rollers. The dampening fluid is carried by these transfer rollers to a dampening forme roller and then to... | 06/23/1992 |
| 5103723 | Inking unit for gravure printing press An inking unit for a gravure printing press has an ink trough which is movable vertically with respect to a forme cylinder which contacts ink in the trough. An inking roller is supported by levers in the ink trough and is shiftable with respect to the tro... | 04/14/1992 |
| 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 |
| 5081928 | Multiple ink roll system for flexographic printing stations A printing apparatus has a printing cylinder rotatably supported by a main frame. A subassembly contains a plurality of anilox rolls rotatable about parallel spaced-apart axis with the subassembly being rotatable about an axis parallel to and between thes... | 01/21/1992 |
| 5031532 | Flexographic printing machine A flexographic printing machine has a printing block cylinder, an impression cylinder and a duct roller that is immersed in an ink trough. The printing block cylinder is rotatably supported by exchangeable bearing blocks that are removably secured to spac... | 07/16/1991 |
| 4656940 | Metering roll system for printing press A metering roll system for supplying ink to a printing plate, comprises a plurality of rotatable intermediate rolls for supplying ink to the printing plate; a rotatable metering roll for supplying ink to the plurality of intermediate rolls; a rotatable fo... | 04/14/1987 |
| 4617865 | Liquid coater for a printing press with moveable inking roller and tray The coating apparatus disclosed in this application is for a printing press having a recessed printing cylinder. The mechanism comprises a frame, a tray mounted on the frame for holding a supply of the coating material and roller means carried by the fram... | 10/21/1986 |
| 4523522 | Rotary printing machine with web tear clearing system To prevent introduction of paper scraps or torn paper into the inker of a web printing machine, a web paper tear sensor (17, 18) controls a hydraulic or pneumatic cylinder-piston unit (25) which severs engagement between an ink supply roller (13) and an i... | 06/18/1985 |
| 4373442 | Portable ink fountain An object of the invention is to provide a method of metering to a printing plate (P). An applicator roller (312), which receives ink from a pick-up roller (310), is positioned in pressure indented relation with a metering roller (12). The surface speed o... | 02/15/1983 |
| 4362098 | Rotary printing press using flexible plates To enable the printing cylinder of a rotary press, which carries printing plates, to move to and from operative proximity to an impression cylinder rotatable on a fixed axis, the respective printing cylinder bearings are eccentrically mounted on large dia... | 12/07/1982 |
| 4308796 | Offset lithographic press with ink metering system for blanket cylinder Disclosed are improved methods and apparatus for printing, including equipment for adapting an offset press so that it may be operated flexographically, either to coat stock or print on it, without impairing the function of the press as an offset press. I... | 01/05/1982 |
| 4240346 | Web printing press An offset lithographic web printing press capable of printing a series of relatively short runs without interruption and with minimum waste of web material. The press includes a plurality of printing units. During a given run, some of the printing units a... | 12/23/1980 |
| 4239001 | Multicolor rotogravure printing system A multicolor rotogravure printing system comprising a train of as many monochromatic printing units as the number of the colors required, each printing unit comprising an upper structure including an impression roll and a lower structure including a plate... | 12/16/1980 |
| 4233898 | Reversible newspaper press A method and apparatus for applying newsprint ink and dampening fluid to a lithographic printing plate, the apparatus comprising an ink metering roller in rolling pressure indented relation with a transfer roller having an oleophillic surface and a dampen... | 11/18/1980 |
| 4208963 | Newspaper printing system A newspaper printing system wherein low viscosity newsprint ink and dampening fluid are applied to opposed lithographic printing plates which simultaneously engage opposite sides of a web of porous absorbent newsprint to print on both sides of the web. Ea... | 06/24/1980 |