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| Number | Title | Issue Date |
| 7942096 | Method of controlling a powder sprayer and printing press having a powder sprayer A method of controlling a powder sprayer having a fan jet nozzle configuration in a printing press, includes controlling the fan jet nozzle configuration as a function of operating parameters of the printing press. A printing press having a powder sprayer is also pr... | 05/17/2011 |
| 7367560 | Suction device and method of conveying laminated sheet A suction device of the present invention includes a suction roller and a vacuum chamber. The suction roller holds an adhesive sheet to its peripheral surface by suction while maintaining contact with the film surface of the adhesive sheet, and conveying the adhesiv... | 05/06/2008 |
| 7328899 | Device for guiding sheets An apparatus for fixing a sheet on the surface of an electrically conductive cylinder of a printing machine for processing sheets, in particular, a sheet-fed offset printing machine. The apparatus includes an electrode that extends over the width of the cylinder for... | 02/12/2008 |
| 7219889 | Sheet-processing machine with a pneumatic sheet-guiding device A sheet-processing machine, particularly a rotary printing press, includes a blast-air supply system and a pneumatic sheet-guiding device connected thereto. The sheet-guiding device has a sheet-guiding surface formed with air passage openings and serves for having t... | 05/22/2007 |
| 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 |
| 7213785 | Method and device for turning strips The invention relates to a method for turning and reorienting the displacement direction of strips (1), especially of a thin hot strip. The strip can be turned about any angle by means of at least one deflection roller, with roller banks (5) which are ... | 05/08/2007 |
| 7082873 | Inexpensive, wash-free integrated cover for printing press transfer cylinders The invention is a simple, inexpensive, wash-free integrated cover for a printing transfer cylinder (preferably, but not necessarily, in a Komori press), comprising a flexible jacket covering permanently attached to a cylinder base cover. The invention provides adva... | 08/01/2006 |
| 7021210 | Printing press cylinder A multipart printing press cylinder. A pair of hubs have an inner bore for mounting on a press shaft. Each hub is made in two parts which may be positioned about the press shaft and attached to each other by, e.g. screws. Each hub has a profile section. A pair of pa... | 04/04/2006 |
| 7000917 | Sheet-guiding device in a sheet-processing machine A sheet-guiding device in a sheet-processing machine, in particular a sheet-fed rotary printing press, includes gripper devices disposed on revolving components of the sheet-processing machine for guiding the sheets to be printed on an air cushion formed by blast ai... | 02/21/2006 |
| 6969066 | Passive vacuum transport An apparatus for improving sheet feeding in a direction of movement to a process station, including: a contact surface having ribs spaced along contact surface in the direction of movement, apertures being defined in the space between each rib; a blower; and an air ... | 11/29/2005 |
| 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 |
| 6890112 | Method and system for handling a linerless label web There is disclosed a linerless label web roll wherein the label web has a patterned coating of pressure sensitive adhesive on its underside between marginal side edges and at marginal side edges of the label web. The adhesive is provided in longitudinally extending ... | 05/10/2005 |
| 6823782 | Stencil printing machine A stencil printing machine 1 is provided as including a downstream rotary printing drum 50 with an outer circumferential periphery 50a mounted with a stencil sheet 20, and a rotary press roller 56 which is moveable between a... | 11/30/2004 |
| 6805050 | Printing unit having a device for removing particles, and a machine for processing flat printing materials having such a printing unit A printing unit for a machine for processing flat printing materials includes a feeding cylinder for loading the printing unit with the printing materials in a processing direction, and a device for removing particles adhering to the surface of the printing material... | 10/19/2004 |
| 6766738 | Cylinder jacket profile, method of producing an easy-clean layer on a cylinder jacket profile and printing press A cylinder jacket profile for impression cylinders or sheet transfer cylinders has uniformly distributed elevations with an easy-clean layer as a surface coating. The easy-clean layer has a thickness of less than 5 μm, in particular 1 μm, and a surface energy of l... | 07/27/2004 |
| 6701841 | Sheet discharge unit A sheet discharge unit has a transfer passage 3 for transferring a sheet of printed paper 2 toward a sheet receiving tray 20, and a pair of left and right jump wings 11, 11 located at both sides of the transfer passage 3 and moveable between a guide posit... | 03/09/2004 |
| 6662722 | Machine for processing sheets having spring mounted throttled air nozzles A machine for processing sheets, in particular a sheet-fed rotary printing machine, includes a transporting cylinder for transporting the sheets and having air nozzles disposed offset in relation to one another in a direction other than an axis-parallel d... | 12/16/2003 |
| 6598874 | Method and device for contact-free retention of sheets A method of retaining a sheet on at least one of a transfer cylinder and a guide surface of a sheet-guiding device in a sheet-processing machine by pneumatically activatable nozzles for producing an air cushion beneath the respective sheet, which comprise... | 07/29/2003 |
| 6595134 | Device to produce electronic circuits Device to produce electronic circuits of the type comprising at least a base support (12) on which electrically conductive material is deposited able to embody the conductor tracks, said device comprising at least a printing station (13) able to deposit s... | 07/22/2003 |
| 6557472 | Apparatus for guiding a print carrier and printing unit in a rotary printing machine having the apparatus An apparatus is provided for guiding a print carrier upon feeding the print carrier to and guiding the print carrier away from a form cylinder of a rotary printing machine. Guide elements for the print carrier are disposed axially parallel to the form cyl... | 05/06/2003 |
| 6530322 | Suction transport device of a printing plate A suction transport device capable of reducing manufacturing cost due to reduction of the number of suction mechanisms by which one of photopolymer plates accommodated in a magazine is taken out is attained. Also separability when the printing plate is ta... | 03/11/2003 |
| 6477951 | Sheet-fed press A sheet-fed press includes a first press cylinder and a second press cylinder. A first air supply chamber and a first air vent is located in the upstream segment of the flow of a sheet. A second air supply chamber and second air vent is located in the dow... | 11/12/2002 |
| 6382100 | Web guide roller, and printing press incorporating the same A roller assembly positioned downstream of a printing station in a web-fed rotary printing press for pneumatically guiding a web of paper after it has been printed upon, without the risk of smearing the printings. The assembly includes a roller in the for... | 05/07/2002 |
| 6378434 | Adjustable matte for handling sheets in a printing press and method of using same An apparatus for facilitating handling of sheets in a sheet-fed printing press comprising a matte that is mountable on a cylinder. The matte has at least one inflatable pocket for cushioning sheets of printable material as they are passed between two cyli... | 04/30/2002 |
| 6269743 | Vacuum transfer apparatus for rotary sheet-fed printing presses A vacuum assisted sheet transfer assembly has an array of support bars which support the unprinted side of a freshly printed sheet along a sheet transfer path. The support bars overlie the airflow inlet of a manifold housing, with the longitudinal axis of... | 08/07/2001 |
| 6238114 | Print media handling system and method of using same A print media handling system for an imaging apparatus having a media feed path includes a pair of media support members, each have a first wall defining a media contact surface and a support portion defining a media support surface. The pair of media sup... | 05/29/2001 |
| 6138565 | Method and apparatus for guiding sheets on a guide blade in printing machines A guide blade for guiding sheets in a printing machine in in-line or perfecting mode processes employing trailing edge turning, the guide blade has a front edge and an end piece, and air nozzels located in a flow surface extending from the front edge alon... | 10/31/2000 |
| 6125754 | Web pressurizing channeled roller and method The present invention is a channeled roller, used in association with flexible webs, which is provided with a pressurized gas flow, and which may be used to remove web wrinkles, clean webs and rollers, brake rollers, and heat, cool, moisturize, and dry we... | 10/03/2000 |
| 6073556 | Method and apparatus for handling printed sheet material A transfer cylinder for supporting freshly printed sheet material between printing units or at the delivery unit of a printing press is provided with an ink repellent, flexible jacket covering for supporting and transporting the sheet material without tra... | 06/13/2000 |
| 5979318 | Method and apparatus for smear-free guidance of a printed sheet on a sheet-guiding cylinder of a printing press A method for smear-free guidance of a printed sheet on a given sheet-guiding cylinder of a printing press includes taking over a leading edge of the sheet by a gripper device of the given sheet-guiding cylinder from a preceding or up-line sheet-guiding cy... | 11/09/1999 |
| 5927204 | Device for rolling up printed sheets A device for rolling up a printed sheet while protecting the printing indicia on the sheet, which comprises a plurality of plate means which define a roll-forming space, first means defining a first transport path for transferring the printed sheet to the... | 07/27/1999 |
| 5927198 | Sheet-fed offset printing press with grooved paper convey cylinder A sheet-fed offset printing press with a convertible press mechanism includes a convertible cylinder, an impression cylinder, converting grippers and suckers, and grooves. The convertible cylinder conveys a paper sheet downstream with respect to a paper c... | 07/27/1999 |
| 5913268 | Pneumatic rollers and paper handling arrangements A roller assembly is provided with openings in its outer surface for selective communication with a source of vacuum or a positive pressure. The openings may be angled along the roller rotational axis to impart a component of velocity to the paper perpend... | 06/22/1999 |
| 5890430 | Impression cylinder having a multiple diameter and a sheet guiding foil An impression cylinder of a sheet-fed offset printing machine for first form and perfector printing has a multiple diameter and includes a dressing disposed on an outer cylindrical surface thereof for carrying a sheet on a previously printed side thereof,... | 04/06/1999 |
| 5842412 | Anti-marking covering for printing press transfer cylinder An anti-marking covering for use on a printing press transfer cylinder to prevent ink marking of printed sheets is made of a material having a high axial air permeability through the material parallel to its surface and a substantially uniform surface str... | 12/01/1998 |
| 5836247 | Contact-free sheet guidance device in a sheet-fed printing press A contact-free sheet guidance device in a sheet-fed printing press, having a sheet guiding surface, includes at least one blast air nozzle formed in the sheet guiding surface and having a cross section directed obliquely downwardly with respect to the she... | 11/17/1998 |
| 5829354 | Method and film for coating a transfer cylinder in a printing press A film and method for attachment of the film to the surface of a transfer cylinder of an ink printing press. A film base sheet coated with micro-particles of aluminum oxide is releaseably attachable to the outer surface of the cylinder by appropriate adhe... | 11/03/1998 |
| 5787810 | Sheet-guiding system for a printing press A sheet-guiding system for a printing press, the sheet-guiding system being disposed in the vicinity of a transfer drum located between two sheet-guiding cylinders, respectively, disposed upstream and downstream of the transfer drum, as viewed in a sheet ... | 08/04/1998 |
| 5626075 | Sheet guiding cylinder Sheet guiding cylinder of a printing press includes a cylinder casing rotatable about an axis of rotation, and having an outer cylindrical surface defining a skeletal framework; the skeletal framework being formed by guide vanes extending in longitudinal ... | 05/06/1997 |
| 5617791 | Sheet-guiding drum, in particular a delivery drum, of a sheet-fed rotary printing press Sheet-guiding drum of a sheet-fed rotary printing press having a drum shaft with support flanges mounted thereon for supporting paper carrier rods, respectively, having a longitudinal axis extending transversely to sheet travel direction on the drum, incl... | 04/08/1997 |
