Matches 151 - 200 out of 252 < 1 2 3 4 5 6 >
Match Document Document Title
5771811 Pre-registration system for a printing press  
A pre-registration system for a printing press may be provided with a first detector for detecting an angular position of a first rotatable printing cylinder by sensing when a reference mark...
5764369 Method for determining port pairings of machine modules  
An electronic image processing apparatus including a controller and a plurality of modules having an arbitrary configuration and being interconnected by input and output ports. The interconnection...
5758579 Device for replacing printing plates in rotary printing presses  
The present invention relates to a device for replacing printing plates in rotary printing presses, particularly in web-fed rotary printing presses for printing both sides of a material web. The...
5752445 Printing mantle for printing indicia on corrugated cardboard substrates  
A printing machine includes a plurality of printing rolls for custom printing multi-coloured indicia or designs on corrugated cardboard boxes. Each roll prints with ink of a different colour to the...
5752446 Alignment systems  
Apparatus is provided for aligning two objects (1,2), such as a board and screen in a screen printer, each having at least one reference mark (6a,7a) on a surface thereof, whereby alignment of the...
5715754 Offset printing method  
An offset printing method is suitable for high-precision printing. Errors caused by the relative movement between a blanket cylinder 4 and a form plate 10 and the rotation of the blanket cylinder 4...
5701823 Self aligning tool for registering rotary printing plates and method of registering plates  
A registering tool and registering method enables adhering of flexographic printing plates to the cylindrical surface of a rotary press plate cylinder in a manner which assures that the upper and...
5699742 Method and device for exactly aligning a printing image relative to a geometrically correct print position of a printing machine  
A method and a device exactly aligning a printing image relative to a geometrically correct print position of a printing machine for printing carriers, for example CDs, which employ use of a...
5694855 Stationery stamping system  
A system for imprinting stationery including envelopes, letters and cards with return addresses, sending addresses, letterheads and other indicia uses inexpensive self inking stamps. A horizontal...
5687647 Plate cylinder with fixed tensioning plate mounting device  
A printing plate has an outer surface and an inner surface, the outer surface for receiving an image to be transferred to a printing blanket. The printing plate also includes a lead end and a tail...
5676058 Printing plate mounting system and method employing the same  
A system for mounting a flexographic printing plate having a registration mark includes a printing plate support surface having a transparent portion formed therein, a plate cylinder, means...
5636573 Cylinder positioning apparatus for offset presses and duplicators  
A method for vertically aligning the color plate cylinders of a press, which prints a two-color image on paper, in order to eliminate the vertical misalignment of the colors in the image printed....
5634406 Method for automatically feeding a printing plate to a plate cylinder in a printing machine  
A method for automatically feeding a printing plate in proper registry to a plate cylinder in a printing machine is disclosed. Pursuant to the disclosed method, a printing plate is advanced by a...
5628251 Printing press blanket underliner  
A printing press blanket underliner is provided which allows for high quality printing on varying width items, such as envelopes, without the need for excess pressure on printing press blankets....
5623877 Method and apparatus for preparing a printing plate  
Printing plates that are to be attached to a plate cylinder are suspended by their leading edges on suspension edges of a shiftable plate preparation device. This device can be moved to a plate...
5615609 System and method for controlling AC motor driven multi-unit printing press  
A system and method for controlling the registration of a multi-unit printing press for corrugated board materials permits the use of AC motors for driving the printing press. A master AC motor...
5602746 Method of drying printing material  
It is the object of the invention to provide a printing method permitting a high printing quality and reducing the influences of the forces and fields acting on the printing material. The object is...
5598781 Automatic plate exchange/plate registration method and apparatus  
In an automatic plate exchange/plate registration method and apparatus, a current position of a plate cylinder on which a plate to be exchange is mounted is stored. The plate cylinder is reset to...
5588361 Device and method for inserting or removing operating parts into or from a printing machine  
When operating parts, such as a plate cylinder (3), a chamber doctor blade (4), an inking cylinder (5) and an ink trough (6), are to be inserted in a printing machine (13), said operating parts...
5568767 Method and device for maintaining print to cut register  
A scanner senses the position of the individual images on the web. A cutting cylinder position is monitored by a signal generator, and may be altered by mechanically changing the phase of the...
5562039 Method for mounting a flexible printing plate onto a printing cylinder  
The invention relates to a method and apparatus for mounting flexographic printing plate in registration onto a printing cylinder with a mounting bar and a carrier sheet having the plate mounted...
5560298 Method and apparatus for mounting a flexible plate  
A fastening leg of a fastening edge of a trailing end of a flexible plate is inserted into a cooperating mounting slit in a cylinder by utilization of a plate trailing end inserting device. The...
5560297 Method of mounting a printing plate on a mounting sheet  
A method for mounting a printing plate on a mounting sheet without requiring the intervention of a skilled person working by eye. An original design to be printed is produced on a computer and...
5553538 Method and apparatus for stencil printing printed circuit boards  
The method includes loading a printed circuit board (PCB) to a printing machine; aligning a stencil to the PCB when the PCB has been loaded to the printing machine; setting a snap-off distance;...
5551339 Process and device for register-correct positioning of printing form sleeves  
A process and a device for register-correct positioning of printing form sleeves on printing cylinders of a rotary printing machine, each with a pressure gas cushion producible for shifting the...
5533453 Method and apparatus for automatic numbering of forms on a rotary printing press  
Computer controlled numbering of consecutive business forms is provided for both computer controlled presses and in the form of a retrofit unit for conventional rotary presses. The retrofit unit...
5531162 Press plate registering method  
A method of registering press plates on plate cylinders used in a sheet-fed press for multicolor printing, in which register information is obtained by using edges of the press plates as...
5521722 Image handling facilitating computer aided design and manufacture of documents  
Apparatus for handling digital representations of documents which are to be provided with a number of images. The apparatus comprises a first store for storing digital data defining the image...
5511479 System and method for providing pin register holes in flexible printing plates and apparatus and method for aligning plates on a flexographic printing press plate cylinder  
A method for accurately drilling pin register holes in flexible printing plates for flexographic printing plate cylinders includes placing aligning pin hole location marks as a part of original...
5511891 Tape printing machine with IR sensing  
A tape is controlled in a printing machine by advancing a length of tape through a light pathway. Transmittance of the light through the tape is measured and values are stored associated with...
5503070 Marking apparatus with detection of excessive marking pressure  
A printing apparatus employs a rotatable cam having an enclosed cam slot for controlling the rocking motion of an inking roll without the need for a cam follower spring. The apparatus also includes...
5500801 Device for compensating for deviations in register in printed products  
Device for compensating for deviations in register in a printed product produced in a sheet-fed rotary printing press having a plurality of printing units includes at least one opto-electrical...
5492062 Printing cylinder positioning device and method  
A device (10) and a method for positioning a rotatable printing cylinder (16) for a printing press (12). A drive (24) can rotate the cylinder (16) about a cylinder axis (52) at relatively high and...
5492061 Thermal printing method  
A thermal printing method is performed by sublimating an ink film using the heat of a thermal print head with a printing paper being supplied to a rotating drum for transferring. Printing paper is...
5440989 Method and device for performing worksteps on a cylinder of a printing press  
Method of performing worksteps in a cylinder of a printing press to which an operating medium is supplied includes energizing with the operating medium at least one actuator for performing the...
5419244 Sensor system for selectively adjusting the printing stroke of a screen printing press  
A sensor system utilized with a screen printing press for selectively adjusting a length and relative position of the front and rear ends of a printing stroke to traverse a variably sized and...
5377590 Method and apparatus for the accurate registering and mounting of printing plates on forme cylinders  
The accurate registering and mounting of flexible printing plates on a forme cylinder is accomplished by mounting a printing plate to be brought into proper registration on a support which is...
5365847 Control system for a printing press  
A control system (14) for a printing press (12) having a printing cylinder (36a-36d) having an outer surface, a device (90) for determining a reference printing image for the outer surface of the...
5365845 Method and device for starting and stopping a sheet-turning operation and for format adjusting  
A method and a device for automatically starting and stopping a sheet-turning operation during the transport of sheets through a printing press for facilitating changeover of transport drums...
5360799 Substituted thienyl- or pyrrolylcarboxyclic acid derivatives, their preparation and medicines containing them  
Compounds of formula ##STR1## in which R 1 represents OH, (C 1 -C 12 )alkyl, (C 1 -C 12 )alkoxy, benzyloxy, benzyl, phenyl, (C 1 -C 4 )alkylNZ 1 Z 2 or NZ 1 Z 2 ; R 2 represents OH, SH, (C...
5331893 Method and apparatus for the accurate registering and mounting of printing plates  
A method and apparatus for the registered application of printing plates to a printing cylinder applies the printing plates to the jacket face of the printing cylinder exactly registered and free...
5327826 Register adjustment device on a printing machine with a plurality of printing units and method of operating the device  
A printing machine having a plurality of printing units, and circumferential and side register adjusting devices for adjusting the register in all but one of the printing units, the one printing...
5325474 Graphic output device including antialiasing capability governed by decisions regarding slope of edge data  
A graphic output device for removing the aliases of the edges of a vector image by an antialiasing procedure and effectively outputting image data undergone such processing. Whether or not the...
5320041 Plate mounted state confirming apparatus  
A plate mounted state confirming apparatus includes reference pins, a transmitting coupler, and a receiving coupler. The reference pins detect contact of an insertion end of a plate inserted in a...
5317972 Offset printing machine, printing plate and image position reading-out method for offset printing machine  
A printing machine is disclosed in which a sleeve having a tapered side surface is provided movably in an axial direction to a gripper shaft 5 arranged in parallel to a plate cylinder shaft 2. A...
5317971 Pin register mounter and method of mounting flexographic plates  
Flexographic printing plates are mounted in precise registration on printing press cylinders for multicolor printing using a registration apparatus. In the preferred embodiment, the apparatus has a...
5313886 Electronic method of positioning a register mark sensor of a sheet printing machine  
A method for positioning a register mark sensor in a sheet printing machine, wherein a register mark sensor is moved in direction perpendicular to the direction of the movement of the sheet for...
5310627 Changing the color of yellow resist images by application of pH-sensitive dyes  
A method for locally enhancing the contrast of a yellow image, which method comprises providing a yellow image on a white background, said image comprised of yellow areas and white areas, said...
5305691 Plate lockup device position detecting apparatus for printing press  
A plate lockup device position detecting apparatus for a printing press includes first and second limit switches, and a series circuit. The first limit switch is provided in a gap of a plate...
5301611 Method of driving the impression cylinder receiving carriages into the printing elements of a rotary printing machine  
A method of driving the impression cylinder receiving carriages into the printing elements of a rotary printing machine whilst executing a simultaneous displacement of all the impression cylinder...
Matches 151 - 200 out of 252 < 1 2 3 4 5 6 >