...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7472651 | Waste liquid regenerator of printing machine In a vessel (2) to which waste liquid (11) which contains ink pigment, water and cleaning liquid used in a printer is supplied, a metal electrode plate (30a, 30b) which allows the waste liquid (11) to flow therethroug... | 01/06/2009 |
| 7337720 | Doctor blade design for metering ink transfer to anilox cells A dual-doctor blade assembly that can accurately meter ink delivery to the anilox cells on the anilox roll of a flexographic printing system. The system utilizes a retractable dual-blade configuration in conjunction with an ink chamber and a gap between the lower do... | 03/04/2008 |
| 7284483 | Self-contained independent inking unit for printing press An inking unit for printing units of rotary presses is independent of the printing unit and is configured as a self-contained unit. The linking unit can be removed from the printing unit and has a dedicated drive for a plurality of rolls, the drive being arranged on... | 10/23/2007 |
| 7243600 | Ink pan for a rotogravure printing press An ink pan for a rotogravure printing press has a reservoir and a dam. The dam is located within the reservoir and divides the reservoir into an intake section and an outtake section. A gate is within the dam. The gate has an open position and a closed position. Whe... | 07/17/2007 |
| 7237481 | Dampening systems having a dampening agent feeding and return device A dampening system has at least one dampening ductor or roller; a dampening agent bin or trough, which holds a dampening agent, a feeding device, and a return device. The feeding device includes at least one dampening agent distributing pipe that has a number of spa... | 07/03/2007 |
| 7219605 | Cylinder cleaning apparatus An apparatus is arranged to clean a cylinder with cleaning liquid being supplied. The cylinder includes an outer surface to which impurities are adhered. The impurities are removed from the outer surface when cleaning. The apparatus includes a spray bar into which t... | 05/22/2007 |
| 7172667 | System and method for incorporating graphics into absorbent articles A method for incorporating graphics into absorbent articles. The method involving: providing a moving substrate to a print cylinder; sensing a line speed reference signal from a line speed target machinery component; rotating the print cylinder at a predetermined sp... | 02/06/2007 |
| 7117791 | Ink fountain apparatus for printing press An ink fountain apparatus for a printing press includes an ink fountain roller, bottom plate, ink fountain, and scraping member. The ink fountain roller is supported rotatably. The bottom plate is arranged at such a position that its distal end portion is close to t... | 10/10/2006 |
| 7114442 | Chamber doctor blade device for inking a roller having delivery lines received in end areas of the doctor blade An inking unit for the printing couple of a double width printing press includes at least one roller. The inking unit consists of at least one, and possibly two chamber doctor blades. If there are two such chamber doctor blades, they are positioned side-by-side in a... | 10/03/2006 |
| 7055433 | Method of operation of a printing unit and printing unit for offset machine There is disclosed a printing unit (1) for use in an offset machine. The printing unit allows a broader use of offset machines (1). This is achieved in that the lacquer application means and the water application means comprise a unit (28) consi... | 06/06/2006 |
| 6928927 | Intaglio printing press An intaglio printing press includes, an intaglio plate cylinder, inking units, each having an ink supplying pattern roller in contact with the intaglio plate cylinder, and each ink supplying pattern roller having different supply patterned portions, an ink removing ... | 08/16/2005 |
| 6930315 | Method and apparatus for irradiation of active energy beam A target object to be irradiated is transported into an irradiating chamber through a transport inlet for irradiation with an active energy beam under an inert gas atmosphere in an active energy beam irradiating section included in the irradiating chamber and, then ... | 08/16/2005 |
| 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 |
| 6786152 | Dosing system for inking up rollers in a printing machine An ink metering system for a roller train in a printing machine which in the illustrated embodiment includes a fountain roller and a downstream train of rollers communicating with a plate or form cylinder of the printing press. One or more plating devices (12... | 09/07/2004 |
| 6739256 | Method of ink agitation by ink aspiration A method of preventing an ink from increasing in viscosity is praticed by repeatedly performing the steps of supplying provided from an ink supply-aspiration nozzle to an ink reservoir provided between an inking roll and a squeeze roll pressed into contact with the ... | 05/25/2004 |
| 6619205 | Inking device An inking device is used to ink a cylinder or a roller of an intaglio printing inking unit. A doctor blade device is located in the vicinity of the ink level of the printing ink in an ink trough of the ink application device. The ink trough, the doctor bl... | 09/16/2003 |
| 6604464 | Inking device having space enclosed by rollers for containing ink particles An inking device for feeding ink that is fed to an ink rail to a printing plate on a plate cylinder via a group of rollers that are sequentially in contact with each other, comprising a first roller part of the outer periphery of which faces an ink feedin... | 08/12/2003 |
| 6571710 | Keyless inker for a printing press A printing press having a keyless inking system. The inking system includes a single form roller for applying ink to a printing plate, and a transfer roller adjacent the form roller for removing excess ink from the form roller. A subtractive roller adjace... | 06/03/2003 |
| 6546869 | Method of operating a printing machine, and a printing machine for performing the method A method of operating a printing machine including a printing form cylinder and an inking unit for inking the cylinder, the inking unit having at least one inking unit roller rotatably driven at a speed different from the peripheral speed of the printing ... | 04/15/2003 |
| 6318259 | Apparatus and method for lithographic printing utilizing a precision emulsion ink feeding mechanism An apparatus and method for supplying emulsion ink to a printing plate on a printing press is disclosed. The apparatus includes an ink feed and recirculation system and associated control system to quickly and reliably form a high quality emulsion ink. Th... | 11/20/2001 |
| 6311619 | Sheet-fed letterpress rotary with printing units for multicolor printing and at least one coating unit The invention relates to a sheet-fed rotary printing machine with printing units for multi-color printing and with at least one coating unit. The object of the invention is, inter alia, to provide a sheet-fed rotary printing machine of the type described ... | 11/06/2001 |
| 6065402 | Inking device for a printing machine An inking device in a printing machine with an ink body filled with printing ink and with a blade. The blade can also be a chamber blade, for example. For temperature moderation, an insulation plate or a heat dissipation plate, by which the temperature of... | 05/23/2000 |
| 6047640 | Printing machine for corrugated board sheets and method of cleaning ink fountain of the machine An ink squeezing device for an anilox roll comprises a doctor blade adapted to contact the roll at an angle against the direction of rotation of the roll, and a bank member supporting the doctor blade along the anilox roll. An ink fountain is formed by th... | 04/11/2000 |
| 6024016 | Flexographic ink feeding apparatus There is provided a flexographic ink feeding apparatus in which a part of a chamber into which ink is fed is defined by a blade mounting plate and blades, characterized in that a junction of the blade mounting plate and the blade is formed so as to make a... | 02/15/2000 |
| 6024015 | Inking device for a rotary printing machine An inking device for inking a screen roller of a printing machine includes an ink supply device with an ink reservoir that are removable as one unit from the printing machine easily and without tools. The ink reservoir is separable from the ink supply dev... | 02/15/2000 |
| 5979319 | Ink feeder of a printing press and ink scraper with separated ink guide An ink feeder comprises a plurality of ink tanks for storing inks and wetting water, disposed in a transverse direction of an ink fountain roller, a vane wheel disposed at the bottom of an ink tank, an ink pump for feeding ink, an ink feed blade for adjus... | 11/09/1999 |
| 5749293 | Inking apparatus for use in printing press In an inking apparatus for use in a printing press, an ink pan located below a plate cylinder is separated into a first part which accommodates a furnisher roll for furnishing ink and a second part which receives contaminated ink containing foreign substa... | 05/12/1998 |
| 5655447 | Printing arrangement Printing arrangement, characterized in that it consists in the combination of a frame (2), a printing roller (3) mounted rotatably in the frame (2); an ink roller (4) cooperating with the printing roller (3); and coupling means (5) for making the printing... | 08/12/1997 |
| 5642672 | Print image treatment device Disclosed is the print image treatment device formed of: a contact member on a surface of which an excessive ink removing liquid not dissolving in a printing ink forming a print image and having a lower surface tension than that of the printing ink is app... | 07/01/1997 |
| 5603262 | Ink-furnishing apparatus An ink furnishing apparatus for a printing press for performing printing by furnishing an ink to a printing plate on a plate cylinder is selectively operable in an entire surface ink furnishing mode, in which a first gap is held fully opened, the doctor m... | 02/18/1997 |
| 5503674 | Convertible or shiftable varnish supply on finishing units in rotary printing presses Device for processing a viscous fluid for finishing printing products in a finishing unit of a rotary printing press, the finishing unit having a plurality of rollers suppliable with the fluid at least at one feeding location thereof, and a plurality of c... | 04/02/1996 |
| 5335596 | Coating apparatus for sheet-fed, offset rotary printing presses A coating apparatus for use in a sheet-fed or web-fed, offset rotary or flexographic printing press to apply a protective and/or decorative coating to the surface of freshly printed sheets includes a doctor blade coating unit coupled to a pickup roller fo... | 08/09/1994 |
| 5311815 | Ink feeding device for a printing press An ink feeding device (12) for a printing press (10) having an ink pan (40) having a cavity (42) to receive and retain ink, a rotatable fountain roller (14) mounted in the cavity (42) of the pan (40), a device (28) for rotating the fountain roller (14), a... | 05/17/1994 |
| 5293819 | Inking arrangement An inking arrangement has a structure in which a printing ink extracted from an inking source by an inking roller is transferred to an ink applying roller through an ink roller train including a plurality of inking rollers and the printing ink is then tra... | 03/15/1994 |
| 5265535 | Printing machine for corrugated board sheet Disclosed is a printing machine for corrugated board sheets, which is designed to facilitate the procedures of ink change in accordance with order changes in the printing of corrugated board sheets by using a low viscosity and quick-drying glycolic ink, i... | 11/30/1993 |
| 5205216 | Inking unit There is provided an inking unit comprising an ink circulating assembly and means for moving a platform on which said ink circulating assembly is provided. The ink circulating assembly includes the ink fountain provided in an ink reservoir, ink outlet mea... | 04/27/1993 |
| 5044274 | Ink conditioning device for removing excess water from emulsions of ink and water during lithographic printing A device for removing excess water from an aqueous emulsion of lithographic printing ink comprises a pair of rollers co-operating together to form a nip. Emulsified ink is fed to the nip and is broken down into an ink phase and an aqueous phase by the pre... | 09/03/1991 |
| 5042381 | Printing ink fountain having a disposable liner A printing ink fountain having a disposable liner made of paperboard or the like for use with flexographic printing presses. The liner, which is supported in a liner retainer, is generally upwardly open to receive therein a metering roller of the printing... | 08/27/1991 |
| 5012737 | Ink feeder with moisture removal A known ink feeder in a printing press, including an ink recovery and circulation system for scraping surplus ink from a roller in a printing unit to return it to an ink reservoir, is improved so as to avoid variations in a moisture content in circulating... | 05/07/1991 |
| 5003876 | Printing apparatus with dual inking system A printing apparatus includes a rotatable anilox roll engageable with a rotatable print cylinder for transferring ink thereto. A rotatable wipe roll and a doctor blade head are selectively engageable with different portions of the anilox roll to provide a... | 04/02/1991 |