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| Number | Title | Issue Date |
| 6762859 | Process for generation of engraving data To generate engraving data (6), especially for an engraving cylinder, based on a vectorized printer's copy (1) and a screen stipulation (2), depending on the geometry of the elements contained in the printer's copy, within predefined variation r... | 07/13/2004 |
| 6462307 | Process for producing an intensity distribution over a working laser beam and a device for this purpose In a process for producing a stipulated intensity distribution of a working laser beam on an object surface, at least one first and one second component beam with a stipulated first and second intensity distribution are formed and the power of each compon... | 10/08/2002 |
| 6305282 | Doctor blade for wiping away excess printing ink from the surface of a printing form A doctor blade for wiping excess printing ink off the surface of a printing form (10) has a front section in the form of a leaf (3) which interacts with the surface of the printing form (10). In order to avoid wear or damage to the printing form surface a... | 10/23/2001 |
| 5942837 | Highly dynamic piezo-electric drive mechanism A highly dynamic piezo-electric drive mechanism for use wherever stringent requirements are placed on resonant frequency, positioning time, actuation speed or acceleration, is provided and in which at least two piezo-electric double stack drives are rigid... | 08/24/1999 |
| 5856648 | Method and apparatus for producing wells in the surface of a rotogravure cyclinder with a laser A method and a device for particularly rapidly producing wells (18) in the surface of a rotating rotogravure cylinder (2) by a pulsed laser beam (13), which is deflected and directed via an optical lens (7) onto the surface of the rotogravure cylinder (2)... | 01/05/1999 |
| 5816756 | Device for engraving intaglio cylinders A device for engraving intaglio cylinders and similar printing forms having an engraving tool which, together with a sensing member sensing the surface of the printing form to be engraved, is mounted in a holder movable relative to the surface of the prin... | 10/06/1998 |
| 5785325 | Shaft bearing on a machine tool A shaft bearing for mounting the shaft ends of a rotating workpiece to be machined, especially an intaglio printing cylinder, has a rotatably mounted clamping chuck clamping the shaft end and having a hollow clamping head. The clamping head has gripping p... | 07/28/1998 |
| 5112171 | Milling head for the fine machining of workpieces, in particular gravure cylinders Formed in a basic body (13) connected to a drive spindle is a supporting surface (15a) which is at right angles to the rotational axis (10a) of the basic body (13) and on which one end face (16a) of a rotatable setting disk (16) rests. The other end face ... | 05/12/1992 |
| 4830552 | Device for engraving intaglio printing cylinders A device for engraving intaglio printing cylinders is provided having the engraving needle cutting the small screen cups in the intaglio printing cylinder and the scanning element applied to the cylinder jointly supported in a holding device. The scanning... | 05/16/1989 |
| 4805312 | Engraving head for apparatus for engraving printing cylinders In an engraving head for apparatus for engraving printing cylinders, a drivable engraving tool and a sensing organ contacting any printing cylinder being engraved by the drivable engraving tool are mounted on a common fixture. A damping element is located... | 02/21/1989 |
| 4693792 | System for electrolytical treatment of printing cylinders During electrolytical treatment, a printing cylinder is held between center points, of which one is provided adjustably with a centering sleeve in a tail spindle. A belt connects the tail spindle in force transmitting relationship to a drive. The tail spi... | 09/15/1987 |
| 4599944 | Wrap-on printing plate structures and assemblies A flexible wrap-on printing plate structure has a flexible printing plate body extending between opposite first and second edges at which the printing plate structure is attached to a rotary printing form cylinder. A thickening of the printing plate body ... | 07/15/1986 |
