Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 8141487 | Printing press having an anilox inking unit with an associated washing device A printing press includes an anilox inking unit having an engraved roller and a washing device with a feed device for introducing detergent and a removal device for removing the detergent and printing ink. Further rollers are disposed between the feed device and the... | 03/27/2012 |
| 7395009 | Sheet carrier apparatus, image forming apparatus, image reader, and post-processing apparatus A sheet carrier apparatus includes a sheet carrier guide to guide a sheet in a first direction and includes an opening; and a paper-dust removal member that is arranged substantially above the opening and so as to make a contact with the sheet carried on the sheet c... | 07/01/2008 |
| 7392744 | Doctor blade device A doctor blade device (01) for cleaning a surface has a doctor blade (03) and a tub (09) for receiving the material stripped from the surface by the doctor blade. The doctor blade is movable between a position in which it projects out of an open... | 07/01/2008 |
| 7391992 | Sheet conveying unit, and image reading unit, post-processing unit, and image forming apparatus employing the sheet conveying unit A sheet conveying unit that guides and conveys a sheet material by a lower conveying guide includes an opening in the lower conveying guide, a brush-like member on a downstream side of the opening to scrap off paper dust adhered on a surface of a sheet material. A s... | 06/24/2008 |
| 7270057 | Rolling element adjustment system In a printing press, an adjustment system for positioning a rolling element such as a form roller or an impression cylinder relative to a first cylinder having a first diameter and relative to at least a second cylinder adapted to replace the first cylinder and havi... | 09/18/2007 |
| RE39797 | Cleaning device for pressure cylinders of rotary printing presses A cleaning device (1) having a guide rail (3) with a longitudinally moveable carriage, to which carriage (4) a washing apparatus (5) is releasably affixed. The guide rail (3) is positionally adjustable for operationally placing the... | 08/28/2007 |
| 7255042 | Recording apparatus and method of foreign material removal thereof In the recording apparatus 121, a recording medium fixing member 123 having a plurality of suction ports on the fixed surface to fix the recording medium 101; an adhering roller 143 which can contact with or separate from the recording me... | 08/14/2007 |
| 7161315 | Self dust-off apparatus and method thereof A self dust-off apparatus includes a fan and a controller. The fan, which can be driven to rotate clockwise or counterclockwise, is installed in a projector. The controller is employed to direct the rotational direction (clockwise or counterclockwise) of the fan. In... | 01/09/2007 |
| 7143694 | Method and apparatus for cleaning and erasing printing surfaces, in particular printing surfaces of forme and blanket cylinders in a printing machine The amount of cleaning media needed for cleaning the printing forme is determined with regard to the level of coverage with ink and/or image carrier material of a printing surface and/or from image data about the printing surface. An erasing and hydrophilizing appar... | 12/05/2006 |
| 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 |
| 7107901 | Method and apparatus for rapid cooling of metal screening masks A method and apparatus for the rapid cooling of screen masks used in the fabrication of semiconductor components is provided. The method and apparatus use a specially designed cooling plate which is contacted with a mask frame holding the screening mask. After a hea... | 09/19/2006 |
| 7040228 | Self-contained vacuum module for stencil wiper assembly A vacuum plenum module of a stencil wiper assembly for wiping and removing excess material from a stencil of a stencil printer includes a wiper blade to wipe the stencil, a plenum chamber in fluid communication with the wiper blade, and a vacuum generator attached t... | 05/09/2006 |
| 7017488 | Washing and cleaning device for cylinders, especially printing form cylinders and offset blanket cylinders in a printing machine comprising a timing mechanism for a continuous cleaning cloth An erasing and cleaning apparatus for cylinders an erasing and cleaning apparatus for cylindrical surfaces in a printing press includes a positioning unit with side walls and a cleaning cloth transport device arranged in said positioning unit and having a clean clot... | 03/28/2006 |
| 7017489 | Methods and apparatus for changing web material in a stencil printer A quick-change material module of a stencil wiper assembly for wiping a stencil of a stencil printer includes a supply roller to receive a roll of material, a take-up roller to receive used material, and a drive to move the material across the stencil between the su... | 03/28/2006 |
| 7014716 | Method of cleaning a cylinder of a printing press An improved method and system for cleaning a cylinder of a printing press. One method involves soaking a strip of cleaning fabric on a press with a low volatility organic compound solvent. Excess solvent, if any, is removed to place the strip of cleaning fabric in f... | 03/21/2006 |
| 7011025 | Flexographic printing plate cleaner A flexographic printing plate cleaner comprises a linear actuator operably mounted relative to a plate cylinder carrying a flexographic printing plate; a frame carried by the linear actuator for movement along a path parallel to an axis of rotation of the plate cyli... | 03/14/2006 |
| 7008487 | Method and system for removal of contaminates from phaseshift photomasks A system and method to clean the pellicle frame and adhesive ring of a photomask reticle are described. One embodiment includes a cover that isolates the photomasks from the pellicle frame. The reticle is secured between a spin chuck and the cover so that the photom... | 03/07/2006 |
| 7004069 | Apparatus for a stable machine run on printing units of a rotary press for operation with part-width printing material A non-flowing protective medium is applied in a finely distributed manner through a metering nozzle by means of blown air to the non-printing regions of at least one roll of an inking unit or damping unit and/or the non-printing regions of at least one transfer cyli... | 02/28/2006 |
| 6971312 | Doctor blade device A doctor blade device for the removal of dampening medium from a soft surface of an ink applicator roller in the inking unit of a printing machine, having at least one doctor blade placed against the surface of the roller and having an edge radius in the range of 2 ... | 12/06/2005 |
| 6936111 | Method and device for washing a rubber blanket During a washing cycle of a rubber blanket on a blanket cylinder some revolutions of the blanket cylinder are initially performed during which the cleaning element is lifted off the blanket cylinder temporarily when the clamping channel passes under the cleaning ele... | 08/30/2005 |
| 6901859 | Washing device and its method for impression cylinder jacket in sheet-fed offset two-sided printing press A washing device for an impression cylinder jacket in a sheet-fed offset two-sided printing press equipped with an impression cylinder installed with a jacket having a metal plate, a base layer formed to have concave-convex profile on the surface of the metal plate ... | 06/07/2005 |
| 6883427 | Methods for applying ink and washing-up after printing In a printing system where ink from an applicator roller is applied to a form roller in rotational contact with a plate cylinder, methods of washing up after printing in which methods the form roller is disengaged from the plate cylinder and a subtractive roller sys... | 04/26/2005 |
| 6868785 | De-Duster for a moving printing material web and cutting device, folder and printing press having the de-duster A de-duster for a moving printing material web includes at least one blower nozzle assigned to a first side of the printing material web, and at least one blower nozzle assigned to a second side of the printing material web. The blower nozzles are set counter to web... | 03/22/2005 |
| 6840174 | Debris screen for a printing press A debris screen for a printing press having an ink roller train and a paper pathway includes a source reel, a collecting reel, and at least one transfer roller mounted to a supporting frame, a sheet of flexible material extending along a sheet path from the source r... | 01/11/2005 |
| 6827016 | Bearer cleaning apparatus Upon replenishing cleaning members 10 of a plurality of sets of cleaning means 1 of a cleaning apparatus with a cleaning solution, those sets of cleaning means 1 having the cleaning members 10 to be replenished, respectively, are fed with... | 12/07/2004 |
| 6739258 | Printing machine provided with a cleaning device A printing machine provided with a rectilinear guide and a cleaning device having a handle for moving the cleaning device along the rectilinear guide includes at least one joint by which the handle is attached to the cleaning device in a manner that the handle is mo... | 05/25/2004 |
| 6736066 | Combustion pick-up roller in a printing-plate exposer In an exposure device for exposing thermal printing plates having a plate drum holding the printing plates and a pressure roller pressing the pressure plates onto the plate drum during the clamping and unclamping of the printing plates, a device for eliminating comb... | 05/18/2004 |
| 6732652 | Device for cleaning a cylinder of a printing-material processing machine A device for cleaning a cylinder of a machine for processing printing material includes a cleaning cloth pressable onto the cylinder for forming a contact zone. A first monitoring zone is monitorable with regard to a faulty position of the cleaning cloth, and is dis... | 05/11/2004 |
| 6729236 | Cleaning device in a printing machine and printing machine with a cleaning device A cleaning device in a printing machine includes a cleaning tool and a tilting clamp mechanism for holding the cleaning tool in different positions. The cleaning tool and the tilting clamp mechanism are coupled to, and can be decoupled from, each other by a coupling... | 05/04/2004 |
| 6725776 | Sheet-like member cleaning device and radiation image information reading apparatus which incorporates such sheet-like member cleaning device Information carried on a stimulable phosphor sheet can accurately be read therefrom without dust particles being present on the surfaces of the stimulable phosphor sheet. A dust of a first cleaning unit has a first opening for introducing the stimulable phosphor she... | 04/27/2004 |
| 6684784 | Printing machine with block-cleaning device A cleaning device for cleaning blocks clamped on a rotationally driven printing cylinder of a printing machine, the cleaning device including a rotatable cleaning roller, cleaning organs disposed on a periphery of the cleaning roller and which can be plac... | 02/03/2004 |
| 6644190 | Cylinder impurity remover apparatus A removable, compact and easily accessible cylinder impurity remover apparatus has a wiping position for removing impurities from a rotatable printing plate cylinder on a printing press and a non-wiping position. The impurity remover removeably slides or ... | 11/11/2003 |
| 6640712 | Apparatus for cleaning alternatively two or more cylinders of a printing machine by means of a single cleaning device A cleaning device is attached at each end to shoulders pivoting on a pair of parallel arms hinged at the other end to the side walls of a machine. There pivots on at least one of the arms an assembly of pneumatic actuators, which actuators pivot at the ot... | 11/04/2003 |
| 6631676 | Process and apparatus for gravure A process and apparatus for gravure printing of an image using an erasable and reusable gravure form including a gravure blank form having a base screen which is designed for accommodating a maximum amount of ink to be transferred. The depressions of the ... | 10/14/2003 |
| 6626107 | Cleaning apparatus and method of detecting catching of cleaning web in the same A cleaning apparatus includes a cleaning cloth, supply shaft, take-up shaft, detector, projections, proximity switch, and catching detection unit. The cleaning cloth is pressed against a rotary member and cleans an outer surface of the rotary member. The ... | 09/30/2003 |
| 6618896 | Apparatus for cleaning of curved surfaces employing the cloth principle Apparatus for cleaning a curved surface by employing the cloth principle, the apparatus having a roll for unsoiled cloth with unused cleaning cloth thereon, a roll for soiled cloth for taking up used soiled cloth, a pressing element for pulling unsoiled c... | 09/16/2003 |
| 6607601 | Device for tempering coatings A coating system for supplying a coating medium to sheet material in a printing press. The coating system includes a tempering system operable for influencing the temperature of both a coating medium processed through the applicator system and rinsing med... | 08/19/2003 |
| 6606946 | Sheet-fed offset printing process and sheet-fed offset printing machine A sheet offset printing method and a sheet offset printing press includes altering flow relationships in an interior of a housing of a sheet delivery of a sheet-fed printing machine to prevent uncontrolled spread of powder in the housing by extracting pow... | 08/19/2003 |
| 6588337 | Method and apparatus for automatically cleaning both the blanket cylinder and the ink rollers of a printing press A system and method of a combination and sequencing of a first cleaner around a blanket cylinder, a second cleaner around one of the rollers in an ink form roller assembly, and a fluid applicator around another one of the rollers in the ink form roller as... | 07/08/2003 |
| 6588338 | Cleaning device for printing-press cylinders A cleaning device for printing machine cylinders and bearings (2, 60) for this for the rotatable mounting of a cloth spindle (4, 92) for a cleaning cloth. At least one of the bearings (2, 60) has a bearing bush (14, 64) which is provided with an external ... | 07/08/2003 |
