Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 5896814 | Ink dosing device for inking units of printing presses An ink dosing device for inking units of printing presses has several dosing elements that are adjustable independently of one another. The dosing elements are provided for over the length of an ink fountain, whereby each dosing element shows a dosing are... | 04/27/1999 |
| 5894802 | Method and apparatus for establishing an isolated position reference in a printing operation An apparatus and method for providing disturbance-free speed and position references to drive units in a web-fed printing press to minimize or eliminate detrimental effects on printing speed and quality caused by transient mechanical disturbances occurrin... | 04/20/1999 |
| 5894801 | Methods and systems for sensing and rectifying pellet shaped articles for subsequent processing A dispenser dispenses pellet shaped articles onto a conveyer. The conveyer conveys the pellet shaped articles past a video sensor that senses any pellet shaped articles needing rotation so that they are uniformly oriented. The sensor provides a signal to ... | 04/20/1999 |
| 5868075 | Method and apparatus for imaging a seamless print medium A plate imaging apparatus and method for imaging a seamless printing member preferably loaded onto a rotating plate cylinder. The plate imaging apparatus moves a writing head in fixed increments in an axial direction relative to the plate cylinder. With t... | 02/09/1999 |
| 5865118 | Method and apparatus for punching and imaging a continuous web A novel method and apparatus for the imaging of a continuous web on an internal drum type imaging device is disclosed. The method and apparatus may further be included in a process to produce punched, imaged sheets. A web is punched with registration hole... | 02/02/1999 |
| 5832830 | Method and apparatus for normalizing the display of ink key zero points in an ink fountain The present invention relates to a method and apparatus for normalizing the zero points for each ink key in an ink fountain. The method and apparatus are useful in an ink fountain using an inker roll and a meter roll which are spaced by a gap, which gap c... | 11/10/1998 |
| 5826513 | Method and apparatus for punching and imaging a continuous web A web is punched with registration holes and imaged prior to cutting the web into individual imaged plates particularly for use as printing plates. The web with an imageable surface is serially punched, imaged and sheeted with the punched holes being util... | 10/27/1998 |
| 5819667 | Digital printing machine and method of transporting sheets therefor A digital printing machine including an endless conveyer belt having an elongated section whereon substrates to be printed are successively transported through the printing machine in a transport direction includes at least one printing unit having a cyli... | 10/13/1998 |
| 5816151 | Device for alignment of images in a control system for a printing press A device for alignment of images for a control system of a printing press having a device for creating targets, a device for aligning a camera, a device for finding actual dot positions on at least one of the targets, a device for calculating the desired ... | 10/06/1998 |
| 5816165 | Method of encoding roll length indicia on printer media Rolls of printer paper are marked with information which indicates the length of paper remaining on a roll by measuring the distance between indicia successively applied by two separate print drums which each apply indicia at substantially equally spaced ... | 10/06/1998 |
| 5816152 | Reconfigurable printing press A reconfigurable web processor, comprising: a first and a second base modules, each of the base modules including an external surface with at least one alignment structure disposed on the external surface; a plurality of pacing rolls, with a different one... | 10/06/1998 |
| 5813345 | Lithographic imaging system for interchangeable plate cylinders A plate-imaging system and a plate-cylinder support structure are coupled in a manner that achieves precise spacing between a writing head and the surface of a lithographic plate. The imaging unit is designed to permit the writing head undergo controlled ... | 09/29/1998 |
| 5802978 | Method for regulating inking when printing with a printing press A method for regulating inking when printing with a printing press, which includes, by means of at least one sensor element directed towards the surface of a recording carrier at a given measurement site, deriving actual-value signals from at least one ph... | 09/08/1998 |
| 5799579 | Method for positioning an actuator of a printing machine A method for positioning actuators inside printing machines is described. In particular, the positioning operations of metering elements, which serve to feed ink, moisture or varnish and interact with a rotating cylinder, are improved. To this end, the me... | 09/01/1998 |
| 5797317 | Universal chuck for holding plates of various sizes This invention discloses an universal chuck for holding plates, including a base having a longitudinal axis and a transverse axis, a lower carriage movable on the base along said longitudinal axis, an upper carriage movable on the lower carriage along the... | 08/25/1998 |
| 5791252 | Method and stamping device for creating an aligned design A method and apparatus for forming a design on a surface is disclosed. The method comprises the steps of selecting a surface on which a design is to be formed, placing a stamping device at a selected location on the surface, depressing the stamping device... | 08/11/1998 |
| 5784960 | Apparatus and method for regulating ink distribution in a printing machine An undershot inking unit for a printing machine and a method for regulating ink distribution in a printing machine are disclosed. The undershot inking unit comprises an ink fountain roller communicating with an ink fountain, an inking roller, and an inter... | 07/28/1998 |
| 5765474 | Hot stamping method and apparatus for photo film spool A photo film cassette has a spool about which photo film is wound. A data disk is disposed near to an axial end of a core of the spool. To record a bar code on the data disk in manufacturing the photo film cassette, a hot stamping apparatus includes at le... | 06/16/1998 |
| 5738010 | Printing press and method of conveying sheets along multiple form cylinders A method for creating contact pressure forces between printing substrates conveyed on an endless conveyor belt and multiple ink transfer devices arranged at a distance from one another in tandem along the conveyor belt, the ink transfer devices having res... | 04/14/1998 |
| 5722178 | Method for setting and regulating the position of webbing in a printing press using premarked makeready tape A method for setting and regulating the position of webbing in a printing press using pre-marked makeready tape (10) having a top side (12) defining at least a first mark (22) and a second mark (10) spaced apart a distance equal to a whole multiple page l... | 03/03/1998 |
| 5699741 | Document printer and a process for registering the documents by means of control markings using this document printer A document printer, configured as a check printer, in a check dispenser (18) contains a reading device (30), disposed immovably in the delivery-side transport duct (10) of the printer, for registering a consecutive-running control marking imprinted on the... | 12/23/1997 |
| 5694853 | Alignment method for accurately registering sheet material on a plate and fixture therefor A method for aligning sheet material having a computer generated image thereon with a precut plate stock so that the image is disposed in a predetermined position the plate stock utilizes an alignment fixture. The fixture has registration guides which are... | 12/09/1997 |
| 5685225 | Apparatus and method for regulating ink distribution in a printing machine An undershot inking unit for a printing machine and a method for regulating ink distribution in a printing machine are disclosed. The undershot inking unit comprises an ink fountain roller communicating with an ink fountain, an inking roller, and an inter... | 11/11/1997 |
| 5657694 | Method of and apparatus for loading a wiper roll against an anilox roll A method of and apparatus for loading a wiper roll against an anilox roll, wherein the wiper roll and the anilox roll each have a longitudinal rotational axis. The wiper roll is rotated about its longitudinal rotational axis and moved in a translational d... | 08/19/1997 |
| 5643699 | Method and device for the mutual alignment of a film and a printed circuit board A method and apparatus are provided for the mutual alignment of a film and a printed circuit board prior to printing of the printed circuit board. At least two cameras are used to optically register the respective position of a marker on the film in relat... | 07/01/1997 |
| 5622114 | Method for adjusting contact between two rollers which are adjustable with respect to their distance relative to one another A method for adjusting contact between two rollers of a printing mechanism of a rotary printing press, which rollers are adjustable relative to one another. The method includes separating the rollers so that a gap exists therebetween, inserting a piezofil... | 04/22/1997 |
| 5619921 | Width adjusting device and method for a paper web A web width adjusting device can adequately adjust the width of paper web which travels through at least two printing sections. The travelling web is sandwiched by a pair of wave forming devices including a plurality of fluid ejectors which are aligned in... | 04/15/1997 |
| 5611275 | Width adjusting device and method for a paper web A web width adjusting device can adequately adjust the width of paper web which is travelled through at least two printing sections. The travelling web is sandwitched by a pair of contact means including a plurality of contact members which are aligned in... | 03/18/1997 |
| 5598778 | Width adjusting device and method for a paper web, and lithographic rotary press having same A web width adjusting device can adequately adjust the width of paper web which is travelled through at least two printing sections. The travelling web is sandwitched by a pair of contact means including a plurality of contact members which are aligned in... | 02/04/1997 |
| 5596932 | Process and apparatus for the typographical labeling of folded printed products on an inner side A process and an apparatus for the typographical labeling of folded printed products, such as folded individual sheets or folded publications, on an inner side, in particular in the border region of the inner side, is designed for carrying out this typogr... | 01/28/1997 |
| 5590597 | Tapered bearing housing sleeves A mounting apparatus for a printing cylinder in a printing press is provided. The apparatus includes a tapered bearing housing sleeve 12 adapted for axial insertion into, and retraction out of, a tapered bore 30 formed in a support frame 20 for the printi... | 01/07/1997 |
| 5586499 | Method for eliminating gear train backlash in a drive for a multi-color sheet-fed printing machine having face printing and perfecting modes A method for eliminating gear train backlash in the drive of a sheet-fed printing machines when changing the printing mode of the machine between face printing and perfecting or vice versa is disclosed. The printing machine has a gear train, a longitudina... | 12/24/1996 |
| 5584246 | Process and apparatus for printing on flat individual articles In a process and apparatus for printing on flat individual articles such as cards by means of offset printing, the article, before being moved into a starting position for the printing operation, is firstly aligned relative to the printing cylinder. While... | 12/17/1996 |
| 5564846 | Printer with sheet positioning marks control The printer is provided with a detection data storage area section comprising sixteen storage areas for storing detection data from a transmission type sensor for every 1-step driving of a feed motor. When the difference between the last detection data an... | 10/15/1996 |
| 5553547 | Laser controlled indexer for printing on ware A laser generator and a receiver are used to transmit and receive a laser beam for reflection by the leading edge of existing printing on ware to establish an indexing reference for printing to be newly applied to the ware. The receiver provides an electr... | 09/10/1996 |
| 5551342 | Method for controlling the ink guidance in a printing machine A method for controlling the ink guidance of a printing machine, especially a sheet-fed offset printing machine. Ink-density spectra are recorded by means of a spectral photometer at a plurality of image points of the original and of the printed copy and ... | 09/03/1996 |
| 5537926 | Printing-plate magazine for printing machine A device designed as a magazine is disclosed for carrying away and/or supplying printing plates from and to a plate cylinder of a printing machine, in particular to ensure the automatic exchange of printing plates with a plate removing and a plate supplyi... | 07/23/1996 |
| 5537927 | Apparatus and method for precisely drilling alignment pin register holes in pre-marked flexible printing plates An apparatus and method for aligning flexible printing plates and for accurately drilling pin register holes therein includes a three-way adjustable table top assembly which can be selectively adjusted in X and Y directions and rotated about an axis. A pn... | 07/23/1996 |
| 5533453 | Method and apparatus for automatic numbering of forms on a rotary printing press Computer controlled numbering of consecutive business forms is provided for both computer controlled presses and in the form of a retrofit unit for conventional rotary presses. The retrofit unit includes a disk provided with radially oriented metallic str... | 07/09/1996 |
| 5524542 | Method and apparatus for controlling ink supply amount for printing press In a method of controlling an ink supply amount for a printing press, values corresponding to image areas of a plurality of zones obtained by dividing a plate surface are read out as initial values. Correction amounts are obtained on the basis of the read... | 06/11/1996 |
