Matches 151 - 200 out of 402 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5233920 Image adjusting device for offset printing machine  
An image adjusting device for an offset printing machine includes a drive source, an adjustment gear mounted on a rotary shaft and always engaged with a gear mounted on a blanket cylinder for...
5215011 Device for scanning pale color marks on a printing machine  
A device for scanning marks printed on workpieces travelling under a light source includes at least two parallel mark scanning channels emitting an electric impulse due to passage of a mark, each...
5209161 Method of mutually adjusting single-colour images on a multicolour rotary printing press  
A method of mutually adjusting single-color images on a rotary printing press for printing multicolor images on a continuous paper strip, each single-color image being printed by a respective...
5186103 Printing machine system, especially for printing on a web of heavy or thick stock material, with interchangeable printing cylinders  
To permit ready exchange of plate cylinder (13) - blanket cylinder (12) printing couples of different circumferences in a printing machine, the blanket cylinder - plate cylinder printing couple is...
5179899 Tower printing system having multiple vertically stacked satellite printing stations  
Two satellite printing stations (2, 3) are located vertically above each other, and a web (22) is guided first about a common impression cylinder (13) of the lower printing station, then upwardly...
5138667 Process and device for detecting print registration marks on a web from a multi-color printing press  
A process consists of detecting a printed registration mark composed of recognition signals and of a color pilot mark, comparing the image of the signs of the printed registration mark to the signs...
5127324 Adjustment apparatus with DC drive system for use in a printing press  
A plate cylinder of an offset printing press is adjustable. A motor has an output shaft operatively connected with the plate cylinder to, when driven, adjust the position of the plate cylinder. A...
5126578 Process and device for measuring displacement rates of a web running through a multi-color rotary printing press  
The process and the device for measuring the displacement of a web within a multi-color rotary printing press by means of a mark simultaneously printed with each color in an area free of any...
5117753 Multi-station printing machine system  
To permit versatile operation of a multi-station printing machine installation or system having a first printing machine subsystem for printing on a first substrate web which includes a plurality...
5092242 Lateral and circumferential register adjustment system for a rotary printing machine  
To provide a clean operator side (I) of a printing machine, the circumferential and lateral register adjustment of a plate cylinder (20) is located on the machine or drive side (II) of the machine...
5079738 Processor interconnect network for printing press system forming a star network  
A processor interconnect network (PIN) for operating a printing press having a plurality of different modules each containing a processor. The PIN has: a control for communicating having a...
5076163 Web registration control system  
A system for generating indicia of registration error between the respective printing units of a web-fed, four-color printing press. An optical line scanner is disposed over a web to generate...
5074205 Printing apparatus  
The apparatus comprises a plate cylinder 15, a blanket cylinder 16 and an impression cylinder 17. A web W passes between the blanket and impression cylinder to enable print to be applied to the web...
5067403 Circumferential register adjustment system for a printing machine cylinder  
To provide for circumferential register adjustment of a printing cylinder, for example a plate or forme cylinder (1) of a printing machine, in which the cylinder is eccentrically retained in an...
5060569 Apparatus for changeover of cylinders in web fed printing press  
An improved, multiple-station convertible web-fed printing press is provided wherein respective press stations include permanent modules with replaceable, differently configured inserts. The...
5056430 Method of positioning plate cylinders in a multi-color rotary printing machine  
A method for ascertaining possible register errors and for correcting the positioning of printing plate cylinders in a multi-color rotary printing machine utilizes geometric and regular figures of...
5036764 Method and device for reducing register errors in multicolor rotary-printing machines  
Method of reducing register errors in multicolor offset printing machines having printing units driven by a common motor and having a register adjusting device, which includes determining and...
4984773 Method of and apparatus for composing a press imposition  
An apparatus and a method are disclosed for composing an imposition in terms of an arrangement of printing plates on selected of the image positions on selected units of a printing press to print a...
4966075 Multi-color printing method and apparatus with registration means  
A method of printing a succession of images on to an elongate web, in at least two colors, comprises feeding the web past the first and second rotating printing cylinders 10 and 11, the first print...
4947746 Print control strip  
A print control strip which allows the optional use of both solid tone control/regulation and halftone control/regulation, and in which the color control/regulation is optimized on the basis of...
4948982 Device for detecting a missing copy by detecting the presence or absence of a colored area on a surface  
An optical scanner scans the surface of printed material at a particular position of the surface to determine if the surface is properly marked. The output level of the scanner at that position is...
4947348 Densitometer method and system for identifying and analyzing printed targets  
A hand-held battery operated densitometer for identifying and analyzing printed targets is provided which automatically determines whether an unprinted substrate, a solid black, a muddy magenta...
4934265 Rotary offset printing machine plate and blanket cylinder arrangement  
To permit selective operation of two printing couples (1, 2, 4, 5) for printing, on a continuous web (7) respectively double-image prime printing (FIG. 1), single-image prime printing (FIGS. 3, 5),...
4932320 Method and device for registering colors in an offset rotary press  
System for positioning objects relative to one another comprising taking an image of a group of marks formed on the medium, an analog-to-digital converter connecting the image-taking equipment to...
4911073 Method and apparatus for single character printing using endless belt printers  
A method and apparatus for printing a single image at a time in a flexographic printing environment. The present invention utilizes a flexographic plate cylinder which has been modified by forming...
4899655 Driving system for a rotary press  
A rotary press includes a plurality of printing units, a main shaft for driving all the printing units, a plurality of branch shafts branched from the main shaft, and drive units, each including a...
4898094 Apparatus and method for controlling a plurality of continuous paper printing machines connected to each other  
An apparatus and method for controlling a plurality of connected continuous paper printing machines connected in series prevent difference in rotational speeds of the connected printing machines...
4887529 Interchangeable drum unit interchange system  
An interchangeable drum unit interchange system in an interchangeable drum type rotary printing machine installation proposed to achieve the objects of releasing workers form heavy labor and...
4864927 Rotary multicolor printing press  
In a rotary multicolor printing press for printing on a continuous web and comprising a plurality of printing units, each of which includes a plate cylinder driven by way of a main drive mechanism...
4860650 Method for attaining longitudinal registry of rolls in printing presses  
A method of and apparatus for rough registration of printing rolls, or plate cylinders, is provided which makes use of a strip gage, preferably formed from a plastic material, and a pointer or...
4857745 Method and apparatus for monitoring the passage of marks on a web  
A method and apparatus for monitoring the passage of a mark on a web. The web is caused to move through a detection station at which at least that portion of the web carrying the mark is...
4852785 Printer paper control apparatus and method  
Motor control apparatus is described that is used in a printer that prints on a paper web coming from a roll of paper and has two-sided printing capability using two print mechanisms. The motor...
4852485 Method of operating an autotypical color offset printing machine  
The invention relates to a method, a control apparatus and aids for the achievement of a uniform printing result on an autotypically operating multicolor printing press. In addition to solid...
4833983 Adjustment apparatus for adjusting the speed of a plate roller relative to a pressing roller in a multi-color plastic bag printer  
This invention relates to an adjusting apparatus for adjusting the speed of a plate roller relative to a pressing roller for achieving registration between a plurality of printing means comprising...
4798136 Color printing method and arrangement  
A color printing arrangement has a series of printing stations in each of which a different color is imprinted upon predetermined regions of a travelling band to form color images. A device for...
4788912 Versatile printing machine system permitting plate change during machine operation  
To provide for versatile printing, while permitting exchange of the plate of a blanket cylinder - plate cylinder couple during operation of the printing machine, i.e. while the machine is printing,...
4785734 Apparatus for controlling paper transfer speed of a printing section of a form printing machine  
In a form printing machine having a printing section provided with a printing unit comprising a plate cylinder, a blanket cylinder and an impression cylinder, a change speed means for changing the...
4785733 Arrangement in printing machines with adjustment means for circumferential, axial and diagonal register  
In a printing machine having means for adjusting the circumferential, axial and diagonal register of a plurality of plate cylinders on which printing plates are secured, wherein each plate cylinder...
4736680 Closed loop register control  
A closed loop register control system used in association with a printing press and comprising a television camera in combination with a strobe light and a solid state imaging device which enables...
4724763 Offset web-fed rotary printing machine  
An offset web-fed rotary printing machine having a plurality of in line printing couples generates torsionsal oscillations. These torsional oscillations are damped by applying a counteracting...
4722275 Web tension control apparatus for use with a rotary press  
The web tension control apparatus according to the present invention is provided with a biasing roller (6) adapted to be urged against the outer circumferential surface of a midway drag roller (4),...
4709634 Plate cylinder register control  
A printing press sidelay and circumferential register mechanism having cooperating elongated operator elements which are rotatably driven by remotely controlled motors to laterally and...
4700627 Method and apparatus for marking defective portions of a printed web  
A printed web marker is used in combination with a multiroll printing press. A web marker is positioned downstream of the last of the rolls for marking defective portions of the printed web. A...
4696230 Adjustable bustle-forming apparatus for maintaining registration of multicolor images on printing webs  
One or more wheel-air bustling devices are adjustably mounted between successive printing units of a multicolor printing press, to form adjustable bustles or ridges in the printed paper web. The...
4694749 Method of presetting plate cylinders for registering in an offset printing press  
An operation of presetting plate cylinder for automatic registration is carried out in a manner that rotational phase, lateral and twist errors of each plate cylinder are corrected by conventional...
4690051 Method of image registration in a web fed, multiple printing rotary press  
For image registration as in a web fed, multiple color printing press, printing plates are employed each bearing a registration mark having a first line segment extending transversely of the web...
4688485 Method and device for high speed printing  
A printing device includes a plate carrying cylinder in contact with a printing transfer cylinder two or three times its circumference. Two pressure cylinders are movable between a withdrawn...
4679071 Method of recording register marks  
A method of recording register marks by a color scanner for the respective color separation pictures, wherein the register marks are produced by positive and negative linear pictures, or...
4667596 Method of automatically setting the colors printed out by flexographic printing machines for four-color printing  
A method of automatically setting the colors printed with yellow, magenta, cyan and black printing inks for four-color printing by flexographic printing machines having printing units provided with...
4658723 Color printing machine  
A color printing machine having a plurality of printing units includes a plate cylinder and an impression cylinder. A web length adjusting unit is arranged between each pair of adjacent printing...
Matches 151 - 200 out of 402 < 1 2 3 4 5 6 7 8 9 >