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WO/2004/002694A1 |
The invention relates to a device for stentering tool sheets on processing cylinders or tool carriers, whereby a tool sheet (1) which is provided for stentering is provided with blanks and openings (2) or cut-outs in order to enable the ...
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WO/2003/106116A1 |
Disclosed is a laterally pivotable folding knife, the blade (1) of which is hingably connected to the handle (4) so as to be pivotable around a shaft (3) that can be displaced in an axial direction and is provided with a locking head (14...
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WO/2003/097360A2 |
The invention relates to a delivery device for a sheet processing machine. The aim of the invention is to provide a delivery device on a rotary sheet printing machine, which can be universally used and enables the printed and/or lacquere...
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WO/2003/070465A1 |
The invention relates to a sheet directing element for use in a device provided for conveying sheets using a gripper system that is equipped with at least two interspaced grippers (06) and with a sheet guide surface (03) that is defined ...
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WO/2003/033266A1 |
The color densities of patches included in a control strip (9) are measured, and printing is controlled according to the color densities. The patches are arranged in the direction in which ink keys of a printer are arranged. The patches ...
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WO2002102595B1 |
The invention relates to a quality control device (06), comprising a suction box (07), at least one gripper (22) displaced along a suction surface (19) of the suction box and used to draw the sheet (21) across the suction box, and a CCD ...
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WO2002048011B1 |
The invention relates to a method and a device (01) for the continuous alignment of sheets, which are overlapped with an offset and supplied to the device by a stream feeder. After alignment of at least the front edge and one lateral edg...
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WO/2002/060794A1 |
A method and apparatus that perfects media (200) while maintaining a constant grip on the media during the perfection process. A media perfection device comprises a rotating arrangement (130) that rotates a gripper bar (110). The gripper...
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WO/2002/042076A1 |
The invention relates to a guiding device for metal sheet printing machines (10) and metal sheet painting machines, which have at least two printing cylinders (11; 12) and a transfer drum (17) situated therebetween. The guiding device is...
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WO/2002/007977A1 |
The invention relates to a device for fixing a sheet on the surface of an electrically conductive cylinder of a sheet-fed printing machine, especially sheet-fed offset printing machines. Said device comprises an electrode that extends al...
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WO/2001/087610A1 |
The invention relates to a printing machine for multicolour printing, in which all printing units are configured in the same manner. Said machine is provided with a feed system for printable matter, which is suitable for both sheet-type ...
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WO/2001/079096A1 |
A sheet transport system (20) comprising: at least one sheet transporter (30-36) that receives and hands off a sheet being transported by the system so as to transport the sheet from a first position to a second position, wherein the at ...
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WO/2001/066351A2 |
An apparatus for facilitating handling of sheets in a sheet-fed printing press (155) comprising a matte (130) that is mountable on a cylinder (100). The matte has at least one inflatable pocket (125) for cushioning sheets of printable ma...
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WO/2001/049596A2 |
The invention relates to a printing machine for processing sheets, comprising at least one flexographic or offset printing cylinder (2) and at least one impression cylinder (1) with at least one feed claw (5) for guiding the sheets. The ...
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WO/2001/038101A1 |
A method and apparatus is provided for UV curing of Intaglio inks applied to sheets of a substrate (2). The printed sheets are transported past one or more UV curing lamps (21, 22) on a sheet transport surface (12) of a rotatable transfe...
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WO/2001/034397A1 |
A tandem printer with a mechanism for fine substrate-position correction, comprising: a first printing station; a second printing station; a rotatable element, rotating at a given rotation rate, that receives the substrate after printing...
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WO/2001/034396A1 |
Apparatus for duplex printing comprising: a first impression roller (24) on which a first side of a sheet (22) having a leading edge and a trailing edge is printed referenced to the leading edge; a second impression roller (26) on which ...
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WO/2001/021404A1 |
The invention relates to a compressed air device (6, 8) for a printing machine or a sheet-handling device. Also provided is a cooling device (8) for cooling air which is suctioned by air pumps (26). Said air is pumped by said pumps to a ...
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WO/2001/005593A1 |
The invention relates to a curve guide device in a printing machine. The aim of the invention is to create a curve guide device that enables a non-smearing passage of the print material in a printing/varnishing gap with a printing/varnis...
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WO/2000/026031A1 |
Disclosed is a sheet feeding device in a printing machine. The invention has the aim of providing a sheet feeding device such as the one described above which enables reliable guidance of sheets both during blast air and suction air oper...
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WO/2000/013903A2 |
The invention relates to a method and a device for producing a multicolour print on a sheet by means of printing machines. The aim of the invention is to configure a printing machine in such a way that more than four colours can be appli...
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WO/1999/052711A1 |
Sheet-fed printing and like machines have front and side lays to register each sheet precisely. In the case of so-called scroll-edge sheets with castellated side, side lays which are elongated strictly in the direction of travel of the s...
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WO/1999/046123A2 |
The invention relates to sheet-feeding devices (46), for use especially with printing presses or devices positioned downstream thereof, at the rear side of which additional parts, such as a rear metal-sheet (52) for embodying coolant cha...
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WO/1999/042290A1 |
A gripper mechanism (10) for mounting a sheet (22) on a drum (20) in a printing machine, the mechanism comprising: a holding element (16) movable between a holding position at which the holding element secures the sheet to the drum and a...
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WO/1999/041082A1 |
The present invention relates to a sheet processing machine wherein sheets are conveyed to a transport cylinder and removed therefrom twice.
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WO/1999/032292A1 |
The sheets are automatically run twice through the printing machine in a method for first and second form printing. The first side of the sheets is printed with one or several colors during the first imposition. The sheets thus printed a...
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WO/1998/053996A1 |
According to the invention, in a method for printing an object conveyed by a gripper in a printing device, wherein the object, which is held by the gripper, travels along a substantially linear motion path, in which the gripper is connec...
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WO/1998/052758A1 |
The invention relates to a printing press with an integrated device to print at least one printing form which is arranged on a printing form cylinder. The invention seeks to provide a printing press with an imaging device and an economic...
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WO/1998/052757A1 |
The invention relates to a printing machine comprising a sheet feeder, elements for conveying a sheet to be printed to a feed line, feed mechanisms for conveying sheets from the feed line to a printing cylinder having a diameter which is...
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WO/1998/050234A1 |
Disclosed is a length-variable sliding rail element (1) enabling a roller chain (2) to be easily guided. To that end, two complementary sliding rail elements (3, 4) fitting together and comprising each three segments (6, 7, 8; 9, 10, 11)...
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WO/1998/040214A1 |
The invention relates to a lightweight rotary press cylinder with vibration damping properties owing to a metal foam filling inside said cylinder.
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WO/1998/024627A1 |
A gripper actuating system for printers is disclosed. The object of the invention is to provide a gripper actuating system for printers fitted with several rows of grippers and in which a sheet is supplied only to every second row of gri...
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WO/1998/024628A1 |
A gripper actuating cam for printers is disclosed. The object of the invention is to provide a gripper actuating cam for printers equipped with several rows of grippers and in which a sheet is supplied only to every second row of gripper...
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WO/1998/018624A1 |
The invention relates to a method for printing the front and the reverse side of a sheet. The invention provides a method for printing the front side of the sheet and subsequent printing of the reverse side thereof without requiring grea...
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WO/1998/018703A1 |
The invention relates to a device for feeding sheets (2) from a feed sheet pile (1) to a feed sheet conveyor drum (13) of a printing machine. The invention seeks to reduce the overall dimension, i.e. the feed sheet pile/feed sheet convey...
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WO/1998/018627A1 |
The invention relates to stacking logistics for a printing machine to print the front side of sheet and the reverse side of a sheet. The aim of the invention is to create stacking logistics for a printing machine whereby the front side o...
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WO/1998/018704A1 |
The invention relates to a device for feeding sheets from a sheet pile to a sheet conveyor drum of a printing machine. The invention seeks to create a device to feed sheets with high feeding performance and low dynamic load. According to...
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WO/1998/018629A1 |
The invention relates to a pile handling device of a printing press intended to print the front side and the reverse side of a sheet. The invention provides a device for handling a pile in a printing press to print the front side of a sh...
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WO/1998/018628A1 |
The invention relates to a method and a device for conveying sheets in a sheet-fed printing press. The invention provides a method and a device to convey sheets unmarked on their printing surfaces by means of conveyor and/or positioning ...
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WO/1998/017562A1 |
Disclosed is a sheet processing machine, in which adjacent sheet pieces are shifted relative to each other so as to create a spacing.
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WO/1998/017571A1 |
Disclosed is a sheet processing machine designed to cut sheets 'on line' and split them in sheet pieces.
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WO/1998/003337A1 |
Multicolor printing should be economically feasible on printing presses suitable for automation. To accomplish this, the invention configures a printing press that works on the collect-run principle. The multicolor impressions are collec...
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WO/1998/003336A1 |
Multicolor printing should be economically feasible on printing presses suitable for automation. To accomplish this, the invention configures a printing press that works on the collect-run principle. The multicolor impressions are collec...
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WO/1998/003335A1 |
Multicolor printing should be economically feasible on printing presses suitable for automation. To accomplish this, the invention configures a printing press that works on the collect-run principle. The multicolor impressions are collec...
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WO/1997/048556A1 |
A process and device are disclosed for assessing the quality of processed sheets. The sheets to be inspected are tautly held on a drum during inspection.
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WO/1997/045267A1 |
The invention relates to a sheet conveyer (1) for conveying sheet-like material (2) in a rotary press. Said conveyer comprises a first guide rail (6a) and a second guide rail (6b) extending parallel thereto. An associated first and secon...
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WO/1997/039896A1 |
A turning arrangement (1) for a printing machine comprises a transfer drum (2) fitted between a first (4) and a second counter-pressure cylinder (6), beneath which there is a register cylinder (16) with a plurality of suction apertures (...
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WO/1997/029912A1 |
The invention relates to an impression cylinder (1) intended for a sheet-fed machine and having at least one cylinder gap (3) in which sheet grippers (4) are arranged in such a manner that, when closed, they do not project over the envel...
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WO/1997/023351A1 |
This invention is a horizontal slide mechanism shown in the figure for replacing an inking unit (238a) set in a rotary offset printing press (10). The horizontal slide mechanism includes a guide track rigidly mounted to the printing pres...
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WO/1997/017203A1 |
The invention concerns a bearing for a shaft on which are mounted grippers designed to feed material into a printing machine, the bearing comprising biased roller bearings with no play. The freedom from play thus ensured for the gripper ...
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