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WO/1996/002390A1 |
In a printing unit (2), the problem is to print directly onto the material (14) to be printed using a "waterless" planographic printing press (6). According to the invention, this is achieved by the use of a planographic printing press w...
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WO/1995/033932A1 |
Described is a roller, in particular a roller for grinding or de-agglomerating a variety of materials. The roller is suitable for any application in which roller deformation, leading to a non-constant roller opening, in particular at hig...
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WO/1995/024315A1 |
An ink supply unit (10) for a receiving roller (11) of a printing machine comprises an ink rail (12) mounted in close proximity to the surface of the receiving roller (11). A plurality of ink reservoirs (17) are mounted one above the oth...
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WO/1995/023700A1 |
A gripper bar (48) conveyor mechanism for transferring sheets (22) to be printed from one rotating impression cylinder (18) to another in a multiple color rotary offset printer (10). The mechanism includes a transferrable gripper bar (48...
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WO/1995/017307A1 |
Method for preparing and dispensing a predetermined quantity of liquid or pasty coloured mass consisting of a plurality of basic components, the ratio of the composite basic components of which mass is known, which method comprises the f...
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WO/1995/014574A1 |
In order to improve handling of printing ink in printers, the ink is supplied to the duct roller (1) of the inking system through a space (10) limited on all sides that acts as an ink reservoir. Known ink dosing elements, for example ink...
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WO/1995/011806A1 |
The invention is a system for a printing press which maintains the density of the colored ink put down on a moving paper web. The system includes a scanning device (32) having a strobe light (35) for illuminating a color patch (P) in a c...
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WO/1995/007819A1 |
An inker mechanism has an inking roller (10, 12) rotatably mounted on a frame. The inking roller has a degree of freedom allowing the roller to shift axially. A bearing assembly (54, 56) is coaxially connected to the roller for axially s...
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WO/1995/008098A1 |
When metering highly viscous, paste-like material from a metering valve, an indeterminate amount of residual material is left suspended from the metering valve (1) after closure of the valve. In order to remove said residual material, a ...
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WO/1995/003668A1 |
This invention relates to a system and method for managing ink. The system and method comprises an ink volume determination for determining the amount of ink to be applied by the printer. The ink volume determination comprises the steps ...
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WO/1994/025277A1 |
The invention relates to an apparatus for transferring a printing fluid such as an ink or lacquer from supply means to the outer surface of a printing roller, which apparatus comprises: a feed roller (16) receiving the fluid from the sup...
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WO/1994/022672A1 |
There are provided between an ink fountain roller and an ink distributing roller so supported by frames to be mutually in parallel, a plurality of ink ductors divided in the axial direction of these rollers are arranged at intervals in t...
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WO/1994/019193A1 |
A procedure for providing protection against wear and soiling for components of printing presses such as the fountain blades (5) and the wash-up blades (12 and 23) which equip the cleaning units (3 and 3A) of the inking units, blankets a...
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WO/1994/019194A1 |
The ink fountain includes a fountain blade (2A) comprising a ramp (12), both blade and ramp being slitted to created mutually independant inking zones. Cylindrical thruster (18) act on the ramp (12) to adjust the thickness of the ink fil...
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WO/1994/019189A1 |
The invention described herein transforms the conventional alternating feed dampening units of offset printing presses into micro-controlled continuous film dampening units incorporating the principal components and mechanisms of the ori...
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WO/1994/018009A1 |
A printing apparatus is disclosed which includes an ink reservoir (22), an anilox roller (25) partially submerged in the ink reservoir, and a baffle (100) having an array of flow restrictors submerged in the ink in the reservoir. The baf...
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WO/1994/018007A1 |
When operating parts, such as a plate cylinder (3), a doctor blade (4), an inking cylinder (5) and an ink trough (6), are to be inserted in a printing machine (13), said operating parts (3, 4, 5,6) are placed temporarily secured to a fra...
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WO/1994/011192A1 |
In a process for setting the moisture content in an offset rotary machine, a signal for modifying the moisture content is to be generated before the scumming limit is reached. For that purpose, the densitometrically measured optical dens...
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WO/1994/007698A1 |
A method and apparatus are proposed for cleaning the ink chamber (27) of the ink rail (11) of a printing machine ink supply system and from which ink is delivered to an ink roller through a multiplicity of side-by-side stepped feed holes...
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WO/1994/007695A1 |
A device for maintaining an even roller mark with rubber rollers for rotary printing presses is designed to avoid scumming by keeping constant a roller mark produced between a form cylinder (12) and the rubber lining (29) of an inking ro...
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WO/1993/024328A1 |
A chambered doctor blade device intended for a printing unit and adapted to coat a rotatable cylinder (2) with ink, comprises an elongate frame (8) which is arranged parallel to and outside the cylinder (2) and on which are mounted two p...
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WO/1993/021015A1 |
In a rotary printing machine the form cylinder (1) is supported on a flexible band (6) under tension, printing ink being introduced into the gap (8) between the band (6) and the form cylinder. This facilitates hydraulic mounting of the f...
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WO/1993/013944A1 |
An ink arrangement in a printing machine, wherein, between an ink fountain roller and an ink distributing roller, which are supported by a frame in a manner to be in parallel to each other, a plurality of ink ductors divided in the axial...
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WO/1993/013943A1 |
Continuous motion apparatus for decorating cylindrical articles includes a plurality of removable and replaceable inker subassemblies (35) each of which includes an inker section and a transmission section through which the inker section...
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WO/1993/012857A1 |
A method for recovery of printing ink wastes is provided which greatly minimizes disposal pollution problems while permitting formulation of usable ink products. The method involves first creating a flowable stream of the ink wastes in l...
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WO/1993/010976A1 |
An arrangement for coating continuous material webs is designed in particular as an inking cell doctor blade for an ink transfer, circular cylindrical screen, such as a screened roller or an engraved cylinder of a printing machine. In th...
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WO/1993/009951A1 |
In a rotary press (10), temperature of a printing plate (14) is sensed by in infrared temperature sensor (84) mounted in close proximity to a cylinder (12) carrying the printing plate (14). Sensor output is used to control a closed loop ...
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WO/1993/006999A1 |
The invention relates to an arrangement for insertion into one end of a distribution cylinder in printing machines for converting the rapid rotational movement of the cylinder to a slow reciprocating cylinder movement. The other end of t...
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WO/1993/000222A1 |
An ink distribution assembly of the type including a fountain roller (14), an ink fountain (11) for distributing ink on the surface of the fountain roller, a distributor roller (16), and a ductor roller (15) for transferring ink from the...
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WO/1992/017339A1 |
A method of metering the volume of a liquid, e.g. ink, supplied by a positive displacement pump (10) to a usage station (14), such as a printing press, monitors each stroke of the pump (10) to determine whether the stroke is productive a...
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WO/1992/014610A1 |
By application of multi dye colours with a successive application of printing dyes which are cooled in separate and successive printing stations, a direct contact may be provided between the cooling surface (24) and the printing dye (22)...
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WO/1992/012011A1 |
Printing apparatus has at least one print station including a blanket cylinder in rolling contact with an impression cylinder, a print cylinder for supporting a lithographic plate, the plate cylinder being in rolling contact with the bla...
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WO/1992/009399A1 |
An apparatus for preparing a medium for use in a printing process supports the medium (2) for rotation about an axis. A head (6) is mounted for movement parallel to the axis and includes means to direct a laser beam onto the surface of t...
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WO/1992/007719A1 |
This invention relates to an anilox printing apparatus (20) for depositing ink onto a substrate (23) in a predetermined pattern. The apparatus (20) has a reservoir (22) provided with a weir (30) so that ink (24) may continuously overflow...
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WO/1992/004190A1 |
In a flexographic printing method and apparatus ink is fed to a printing cylinder (10) by means of an applicator roller (13) of the type having a plurality of small ink receiving depressions formed in its peripheral surface. The printing...
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WO/1991/018744A1 |
The printing ink used in printing machines for anilox as well as rotogravure processes is subjected to ultrasonics, continuously or discontinuously whereby gas bubbles in the ink are eliminated. A sufficient amount of ultrasonics energy ...
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WO/1991/017050A1 |
Described is a process which enables the three elements typical of rotogravure (ink, dilution and solvent) to be controlled unambiguously using only two parameters, concentration and viscosity. In a special embodiment, the process can al...
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WO/1991/016205A1 |
An internal worm drive has a worm gear (16) and a substantially hollow tubular worm (11) with an outer surface (12) and an inner surface (14). The inner surface has at least one internal worm thread (46) mating the worm gear (16). The ax...
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WO/1991/016204A1 |
A system for applying liquids, in particular a lacquering mechanism for a printing machine, has an applicator (A) for applying a liquid (paint, lacquer, glue or printing liquid) from a supply (B), a device for regulating its viscosity, a...
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WO/1991/013761A1 |
In a short inking apparatus with a locked ink supply roller (2), the inking roller (3), forme cylinder (4) and blanket cylinder (5) have the same diameter. A first roller (13) with rubber casing is associated with the forme cylinder (4) ...
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WO/1991/012500A1 |
A colour referencing system is provided whereby a process colour is first defined in terms of percentage levels of a number of base colours to create a standard reference, an ink mixture is experimentally defined for a flat colour which ...
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WO/1991/006428A1 |
In fountain roll apparatus, a fountain holder assembly (130) having a fountain block assembly (134) mounted thereon whereby a portion of a rotating metering roll (48) passes through a supply of fluid material (146) contained in a reservo...
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WO/1991/005662A1 |
The invention relates to a changeable inking roll for the inking system of a printing machine. The roll sleeve (4) can be rotated and displaced axially relative to the roll shaft (2). When the roll sleeve (4) moves axially, it strikes ag...
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WO/1991/005661A1 |
The invention relates to an inking system for a printing machine with a changeable distributing roll (1) which is driven in rotation as the driving mechanism for an inking roll (4) resting against its periphery. According to the inventio...
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WO/1990/015718A1 |
The present invention relates to an ink pan (1) for printing machines, especially flexo printing and rotogravure printing. The ink pan (1) comprises parts (10, 16, 17) which are intended to accommodate ink (5) and means (13, 14) for supp...
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WO/1990/013427A1 |
A ductor roll assembly for transferring wet ink (112) from a rotating fountain roll (108) to a rotating distributor roll (130) within a wet ink transfer system for a can decorating apparatus having a main drive system (50, 55). The ducto...
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WO/1990/010539A1 |
A fountain roll (28) and assembly for a can decorating apparatus wherein a pan (26) holding a supply of ink is adjustably mounted on a fixed frame (22, 24) so that the level of the supply of ink is generally in a horizontal plane and a f...
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WO/1990/008653A1 |
Described is a screen cylinder comprising a smooth walled metal base cylinder (1) and a metal outer cylinder (2) having perforations wherein the base cylinder and the outer cylinder are connected with each other by a solder joint (4). Pr...
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WO/1989/008027A1 |
Arrangement for dosing the supply of a liquid, in particular damping solution or ink, to the printing plate cylinder of an offset printing press. Damping solution is conventionally supplied to the printing plate cylinder of an offset pri...
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WO/1989/007525A1 |
In line-by-line recording of films (15') for producing offset printing forms or in line-by-line illumination of offset printing plates from the recorded data, i.e. density values of a line, the adjustment values for the individual adjust...
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