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JP2014069905A |
To prevent formation of air accumulation in sheets delivered from a sheet feeder.In a sheet feeder for sheet-fed printers, a feeding roller (8) is arranged in the vicinity of the delivery side for sheets (p) in a pile (P) of sheets (p) o...
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JP2014065590A |
To provide a sheet medium attracting device capable of making sufficient attracting power act even for a sheet medium stuck with powders.The sheet medium attracting device 10 includes an annular electrostatic attraction member 20 having ...
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JP2014065201A |
To provide an efficient printing machine that can be miniaturized and that makes power consumption low.As shown in Fig. 3, a plurality of grooves G elongated in a circumferential direction are axially provided in a valve 52, and a circum...
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JP5473210B2 |
A method and an apparatus for turning a sheet during its transport through a printing press permit improved printing results as a result of improved sheet guidance. A sheet is tautened following a transfer from a first transport device t...
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JP5471460B2 |
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JP5468810B2 |
In a sheet stacking apparatus, a sheet stacking unit (4) stacks sheets (3) conveyed by a sheet conveyance device (2). Three sheet extraction portions (38) allow to selectively extract the sheets stacked on the sheet stacking unit from on...
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JP5441585B2 |
A method and an apparatus for laterally aligning a sheet in a processing machine, in particular a printing machine, carries out lateral sheet alignment on a cylinder of the printing machine, e.g. a feed cylinder. In order to achieve larg...
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JP5441451B2 |
An apparatus for aligning sheets in a processing machine includes translationally movable stops or front lays which can be driven through the use of a coupler mechanism or individually actuable electric motors.
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JP5433261B2 |
A sheet guide apparatus includes an impression cylinder (3b) having a gripper device (5) for holding a thin sheet (Wa) or a thick sheet (Wb) and adapted to transport the thin sheet (Wa) or the thick sheet (Wb), and an air blowing device ...
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JP5422458B2 |
A medium conveyance apparatus includes: a medium supporting device having a medium supporting surface which supports a rear surface of a medium opposite to a processing object surface; a gripping device which grips a leading end portion ...
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JP5420011B2 |
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JP2014019001A |
To provide a fixture for a gripper commonly applicable to various types of grippers irrespective of the attached states of the grippers and capable of reducing burdens on an operator.A fixture 1 for a gripper includes a pair of hook memb...
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JP5400921B2 |
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JP5379525B2 |
To provide a quality inspection apparatus for a sheet-like article which can conduct a highly precise quality inspection while it can steadily run the sheet-like article as well as it has a degree of freedom in installation of the inspec...
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JP2013252674A |
To provide a sheet printer that can apply the digital printing of a plurality of colors on both sides of a sheet with high accuracy in front/rear registration.A sheet printer 100 comprises: a first printing cylinder 121 for holding and t...
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JP2013241275A |
To provide a sheet processor which can process front and rear surfaces of a sheet by one processing part.When grip-changing a sheet between a first flank 33 and a second flank 32, a first gripper device cam and a second gripper device ca...
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JP2013241264A |
To provide a small-sized digital printing apparatus capable of performing duplex printing on a sheet with a high degree of front-side and back-side registration accuracy.A printing apparatus includes: a sheet feeding device 2 which feeds...
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JP2013240997A |
To enable conveyance by efficiently sucking a sheet S1 without causing wrinkles on a whole surface of the sheet S1.A conveying device 1 with a trunk 33 for sucking and conveying a sheet S1 includes: suction areas VA1, VA2 and VA3 having ...
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JP5361168B2 |
An apparatus for turning a sheet during transport through a printing press provides better printed results as a result of improved sheet guidance. A transfer drum has gripper systems disposed in channels for holding the sheet at the lead...
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JP5351683B2 |
To provide a paper delivery unit, a printer and a seasoning method by which paper sheets after printing can be surely seasoned one by one and by which prevention of show-through and improvement in work efficiency can be attained. The pap...
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JP5355340B2 |
A printing press for printing on both sides of sheets is developed with low expenditure on costs and material, makes it possible to print on both sides of sheets in one pass and which has a small overall size. The printing press for prin...
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JP5350933B2 |
A medium holding apparatus includes: a medium holding conveyance device which has a plurality of suction grooves for suctioning a sheet-shaped medium, and conveys the medium in a prescribed direction while holding the medium on a medium ...
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JP5354953B2 |
A surface, especially a galvanically molded transport cylinder sleeve, has a surface structure for contacting printing material, in particular sheets of paper. The surface structure includes first structural elevations spaced apart from ...
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JP5342495B2 |
To prevent misalignment between colors by eliminating key plates in corrugated cardboard sheet printing. The corrugated cardboard printing machine is composed of two or more printing units 1, 1a, 1b. A corrugated cardboard sheet feeding ...
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JP2013226654A |
To provide a sheet printer which is compact and capable of performing multicolor printing to both sides of a sheet.A sheet printer 100 has a first digital printing unit 120 having a first printing drum 121 holding and transferring a shee...
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JP2013226655A |
To provide a sheet printer which is compact and capable of performing multicolor printing to a sheet and coating the sheet with a varnish.A sheet printer 100 has a first digital printing unit 120 having a first printing drum 121 holding ...
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JP5334709B2 |
The method involves locating two bridges (11a, 11b) in segments (3a, 5a) of a transport system (1), where the transport system includes a segmented, electrical linear drive (2). The linear drive is provided with two primary parts (3, 5) ...
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JP2013216431A |
To provide a sheet conveyance plate capable of being moved relative to a sheet group without leaving a predetermined clearance from the sheet group, and to provide a sheet conveying device with the sheet conveyance plate.A sheet conveyan...
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JP5324329B2 |
To shorten the entire set-up time of a sheet-fed rotary press and to mitigate the burden of an operator, in a device for adjusting height of a gripper pad of a transfer cylinder. A cam member 48 engaged with a transfer cylinder 10 rotate...
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JP5322603B2 |
To provide a printing device capable of gradually releasing a sucking action for paper from a paper front edge side in a paper conveying direction without the existence of a mechanical holding means on paper and receiving and delivering ...
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JP2013212891A |
To provide a paper feeder of a sheet-fed printing press capable of consistently feeding sheets to a printing unit.A paper feeder S of a sheet-fed printing press in which a sheet 2a on the highest stage is sucked from a sheet bundle 2 and...
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JP2013212919A |
To prevent scratch or dirt on a printing surface of a paper sheet, a conveyance failure of the paper sheet, or a pre-printing alignment failure of the paper sheet, in a paper sheet conveyance device of, for example, a cylinder type scree...
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JP5314443B2 |
A printing press includes an assembly and a cam mechanism for moving at least one part of the assembly. A cam of the cam mechanism has a curvature course with points, in particular bends or jumps, which are not constantly differentiable ...
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JP2013199370A |
To provide a sheet feeding unit of a printing machine, the printing machine and a sheet feeding method of the printing machine which can prevent the occurrence of troubles such as displacement and skew of a sheet delivered from an accumu...
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JP2013193294A |
To provide a sheet-fed printing press that contributes to improvement of quality of paper sheets in conveyance of the paper sheets.A guide member 21 is fixed, with bolts 22 at four places, to the lower part of front of a gripper G in a c...
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JP5301203B2 |
A centering bush for connecting components includes a bush head having a construction generally in accordance with that of a blade pin. A combination, a system and a printing press having the centering bush, are also provided.
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JP2013184449A |
To provide a transfer cylinder of a sheet-fed printing press, which contributes to quality improvement of sheets in conveyance of the sheets.Two paper-receiving members 21, 21 are disposed in the axial direction of a transfer cylinder 20...
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JP5285051B2 |
Paper sheets or banknotes are fed to the printing machine from a stack (01) with a lifting table. They are passed to an inspection stage (31) via a conveyer belt (04). The inspection stage has two cameras (38,44) aimed at the paper on th...
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JP5283406B2 |
A delivery drum includes at least one supporting shell for supporting a printed sheet and for producing a vacuum region between the supporting shell and the printed sheet. The supporting shell extends over the entire width of the printed...
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JP5248908B2 |
A transfer drum between printing units in a sheet-fed printing press includes gripper systems which can be switched to a desired mode of operation by simple measures and ensure stable and reliable transport of a sheet between printing un...
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JP5230016B2 |
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JP5225623B2 |
A method of producing an element for contacting printing material, such as an impression cylinder jacket, includes generating a micro-structured surface on a carrier, preferably on an aluminum plate, by electrolytic oxidizing, i.e. anodi...
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JP2013111932A |
To provide a sheet-fed printing press capable of achieving a sheet inspection operation safely.When a temporary paper receiving plate 22 is at an advancing position though predetermined time (5 seconds in this example) has passed since t...
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JP2013107388A |
To provide an intaglio printing machine that can inspect the quality of previous printing with a high degree of accuracy.The intaglio printing machine includes a sheet feeder 10, an intaglio printing unit 20, and a sheet discharge unit 3...
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JP2013107296A |
To prevent a sheet with low rigidity from fluttering while suppressing the floating of the sheet from an outer peripheral surface of an impression cylinder on free end side of the sheet.When a rubber cylinder 16E is in a cylinder drawn s...
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JP5202054B2 |
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JP2013075424A |
To provide a sheet printing machine provided with a sensor capable of surely detecting the floating of a sheet from a carrying cylinder.A sensor body 30 is a touch limit switch of a type so that it regularly oscillates a high-frequency w...
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JP5189687B2 |
The sheet-fed offset printing press has at least two lacquering units of the same type which follow on the last printing unit , and the lacquering units or their lacquering blanket cylinders, are arranged so that the front sides and the ...
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JP5183000B2 |
A device for aligning sheets prior to transferring the sheets to a sheet-processing machine includes at least one sheet-gripping device by the aid of which the sheet to be aligned is displaceable, the sheet-gripping device having at leas...
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JP5175079B2 |
A device for conveying a sheet through a typographic or printing technology machine reliably transfers a sheet from a cylinder to a trailing-edge gripper system and includes a chain conveyor, grippers for holding and taking over the lead...
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