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| Number | Title | Issue Date |
| 7370860 | Automatic edge guide assembly using springs and tapered surfaces An automatic edge guide assembly comprises a sheet feeding mechanism, a slide housing mounted within the sheet feeding mechanism and an edge guide slidably connected to the slide housing. The edge guide is biased by a first biasing force and a second biasing force, ... | 05/13/2008 |
| 7081331 | Method for thermally processing photosensitive printing sleeves An improved method of manufacturing a photosensitive printing element that minimizes relief variation and improves image fidelity. The method involves a step of pre-curing the first (floor layer) of photocurable material prior to depositing an additional layer or la... | 07/25/2006 |
| 6866985 | Method for producing a printing plate, in particular for letterpress printing and a printing plate for letterpress printing With the method according to the invention for producing a printing plate, in particular for flexoprinting, a layer of a curable elastomer is applied to a carrier (15) with a cylindrical surface area (26), subsequently the elastomer layer is cured to a... | 03/15/2005 |
| 6595130 | Printing press A printing press includes an impression cylinder, a seal cylinder, two number printing cylinders, and a transfer cylinder. The distance L1 between the outer circumference of the impression cylinder and the outer circumference of the impression ... | 07/22/2003 |
| 6343548 | Sheet-fed printing machine with improved quality control console A sheet-fed printing machine having a control console at the downstream end of a sheet transfer system which transfers printed sheets to a delivery unit. The control console has an inclined proof sheet support surface disposed in direct overlying relation... | 02/05/2002 |
| 6000333 | Apparatus for use in a gravure printing press Apparatus for use in a gravure press or other reproduction apparatus, comprising a roller apparatus which is at least partly electrically conductive and at least one electrical transfer device adjacent the surface of the roller and connected to a power so... | 12/14/1999 |
| 5809881 | Form cylinder having a gap closed by a cover element having a roller mounted thereon A printing-machine form cylinder having, in an interior space thereof, a winding reel and an unwinding reel for a printing film drawn around the outer casing surface of the form cylinder, respective ends of the printing film being fastened to the winding ... | 09/22/1998 |
| 5698351 | Method for producing a screen printing stencil A method for producing a screen printing stencil comprises the following: applying at least one light-sensitive layer to an essentially closed covering surface of a cylindrical base body; removing portions of the light-sensitive layer from the covering su... | 12/16/1997 |
| 5657692 | Removable supply and uptake assemblies for lithographic plate material A system for accepting and winding lithographic plate material around a cylinder adapted for rotation about a longitudinal axis includes supply and uptake spools and an alignment tool for use therewith. The cylinder is hollow, having an interior and an ax... | 08/19/1997 |
| 5355795 | Automatic plate-loading cylinder for use with plate-imaging systems A winding assembly especially suitable for use in conjunction with a system for automated imaging of lithographic plate material, including on-press imaging systems. A feeder spool installed within a plate-support cylinder contains a rolled supply of plat... | 10/18/1994 |
| 4232602 | Plate loader for offset printing machines A plate loader for an offset printing machine includes means for allowing the loader to be pivoted between an operative position in which drive is automatically connected to the plate forwarding means of the plate loader, and a raised inoperative position... | 11/11/1980 |
| 4194447 | Stencil loading in stencil duplicators The disclosure relates to a stencil duplicator having a loading device in the form of a pair of guide members which are mounted for movement between a first position in which they define a slot into which a stencil can readily be inserted to attain a pred... | 03/25/1980 |
| 4191105 | Printing apparatus Printing apparatus comprising a plate carrying impression cylinder and a flexible printing plate detachably securable thereon. Because the printing plate may be large and flexible, special apparatus is provided for positioning the plate on the cylinder an... | 03/04/1980 |
| 4186659 | Machine for addressing cards and envelopes A machine for printing addresses on envelopes or cards from a plurality of master cards each having an address and other indicia imprinted thereon with heat conducting material, such as carbon. Master cards and envelopes or cards to be printed are deliver... | 02/05/1980 |
| 4181078 | Automatic recirculating duplicator There is provided an improved automatic recirculating duplicator adapted for duplicating from a master or plate selectively onto one or both sides of paper sheets. It is characterized by a single printing couple. Sheets are fed from a paper table to a pri... | 01/01/1980 |
| 4127066 | Adjustable compression roller apparatus A pressure-roller apparatus comprising two compression rollers providing a pressure nip therebetween for the introduction of sheets or other thin members to be compressed and fed. The degree of pressure in the nip is variable by means of one or more adjus... | 11/28/1978 |
| 4044672 | Printing machine, in particular an office offset machine with means for pre-curving the master A printing machine, especially an office offset printing machine, in which a master before being wrapped around the master cylinder is pre-curved by sliding over an edge of one pivotable part of a bipartite table which part is tilted manually during the m... | 08/30/1977 |
| 4008660 | Master loading and unloading apparatus for a lithographic printing machine An apparatus is disclosed for loading a master onto and unloading the master from the rotating master cylinder in a lithographic printing machine at substantially the same angular position of cylinder rotation. The apparatus includes external grippers for... | 02/22/1977 |
| 3996853 | Stencil loading device A stencil duplicator has a rotatable support which, in use, supports a stencil, and a feed path along which a stencil is advanced as it is loaded onto the support defined by a supporting roller spaced from the rotatable support and a smoothly arcuate guid... | 12/14/1976 |
| 3992991 | Non-rotating handwheel A rotary duplicator includes a handwheel for manually moving the cylinders to insert and remove masters, to make adjustments, etc. To minimize risk to the operator when the machine is running, there is provided a means for disconnecting the handwheel auto... | 11/23/1976 |
| 3930446 | Duplicator with web master A duplicating method and apparatus in which information is transferred onto a copy web from a master web and a repeat printing roll and in which a common impression cylinder carries the copy web past a pressure roll which cooperates with the impression cy... | 01/06/1976 |
