DE2547227A1 - PRINTING PROCESS AND DEVICE FOR ITS EXECUTION - Google Patents

Description

to the patent application

from Bowater Packaging Limited, Bowater House, Knightsbridge, London, SW1X 7LR / England

concerning:

"Printing process and device for its execution"

The invention relates to a printing method and an apparatus for carrying it out. The invention particularly relates to an offset printing process and an offset printing machine.

According to the present invention, a printing method is proposed which is characterized in that the printing ink is applied to a carrier made of elastic material that the colored carrier is stretched around its surface to enlarge, and that contact is then made between the surface of the stretched and colored carrier with a substrate so that the printing ink is transferred from the stretched support to the substrate.

The method according to the invention has the advantage that a relatively small area, i.e. a surface area.

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of the unstretched support is to be colored and a larger area of the substrate receives printing ink from the stretched support.

By changing the stretching of the support, the ratio of the area of the substrate to which the printing ink is applied can be adjusted The stretched carrier is transferred to the original area of the carrier that received printing ink. Although in some cases it can be advantageous to transfer the printing ink to the substrate in such a way that the printed image on the substrate is not a true-to-scale, enlarged reproduction of the image originally printed on the support, what could be achieved, for example, by non-uniform stretching of the carrier, it is usually preferred if the carrier after Inking is stretched uniformly in all directions so that the image printed on the substrate is actually one is a true-to-scale reproduction of the printing ink pattern originally transferred to the carrier.

It is advantageous if, in the case of a carrier in the form of a tape or a web, the carrier is uniformly stretched is effected by stretching the support uniformly in two directions, a longitudinal direction and a transverse direction at right angles to each other and in the plane of the belt or the web.

The printing process is advantageously an offset printing process, wherein the carrier receives the ink from a printing block and transfers the ink to the substrate.

Alternatively, the method can also be a direct printing process be, the carrier itself forms the printing block that receives the printing ink directly from an inking unit and the

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Transferring ink directly to the substrate.

According to the invention, an apparatus for carrying out the method according to the invention is proposed, that is, for the transfer of printing ink to a substrate, which device is characterized by a carrier made of resilient material, devices for the transfer of printing ink onto a surface of the support, devices for stretching the carrier after coloring to enlarge the area of the carrier surface and facilities for the Causing contact between the substrate and the surface of the stretched support for transfer of ink from the stretched carrier on the sub-state.

The device can be either an offset or a direct printing press. It is however preferably when the device is an offset device in which the ink transfer device is one Comprises printing block, and the carrier is adapted to receive the ink from the printing block over an area or over areas defined by the printing block, followed by transfer to the substrate he follows. In this case, the carrier is accordingly used as an intermediate carrier for receiving an image from the printing block with subsequent transfer of the substrate.

The printing block can be in the form of a printing cylinder or in the form of a printing forme or plate, which is flat or part cylindrical is or are.

In the case of direct printing, the carrier itself forms the printing block and is designed in such a way that it prints the color directly received from an inking unit in an area or areas which are determined by the carrier itself, according to which the printing

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color is transferred to the substrate. In this case, the ink transfer device can simply be made of, for example an ink reservoir and / of the means for metering the printing ink, so that a regular quantity is applied directly to the carrier.

Since the carrier is made of resilient material, the Use of the carrier as a printing block itself is particularly applicable for flexographic printing processes, where the conventional Printing block is a springy cliché, usually made of rubber.

The active areas or the printing surface of the printing block (in the case of the offset process) or of the carrier (in Direct printing) can be achieved in a number of ways. For example, in the surface of the printing block (Carrier) a height difference can be provided so that the areas that do not transfer any color to the carrier (substrate) need to be below the actual pressure area. Printing ink applied to the surface of the printing block (Carrier) is then placed on the "lifted" image. This is the type of printing block used in conventional letterpress, such as newspaper printing, with variations being referred to as flexography and valley printing.

Alternatively, the surface of the printing block can be continuous, i.e. smooth, and the separation between printing and non-printing areas are obtained by chemical means so that the non-printing areas balance the ink. Here we speak of the conventional flat printing process, such as lithography? Pantone or Collotype process.

As a further possibility, a height difference in the printing area can be formed in such a way that the printing areas lie recessed, the surface is flooded with printing ink

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and the excess is removed from the printing surface so that the printing ink is sucked out of the depressions when these are brought into contact with the support in the case of offset printing or the substrate in the case of direct Pressure. This is the usual gravure printing process, as with Pbdtogravure and Rotogravure.

As a further possibility, the pressure surface can have a permeable membrane, which is treated so that only selected ones Allow areas of ink to pass so that a stencil is used. This is the principle of screen printing, the most famous example being silk screen printing.

In many cases, the cost of producing the carrier for direct printing of a given area of the substrate will be lower than the cost of manufacturing the printing block used in a conventional direct Printing process. While, accordingly, in conventional direct printing the printing area of the printing block will be the same or

at least comparable to the area of the substrate that is

is to be printed, the printing area in the printing method and apparatus according to the invention is on the stretched one Carrier the one who must have the appropriate format size of the substrate. As a result, assuming that the conventional printing block is made of the same material as the support of the device according to the invention, one There is a saving in material, which is increased if, as is common in many cases, the conventional printing block Made of more expensive material, metal.

In addition, in many cases, the cost of producing the printing block for offset printing becomes a problem be lower than the cost of producing a stick with a conventional

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tional offset process. This is due to, that - while in conventional offset printing the area of the plate or form is the same or at least comparable is with the area of the substrate to be printed in the method and the device according to the invention of FIG The area of the cylinder, plate or mold can be made smaller to an extent that depends on the extent to which the carrier is stretched. Of course it will in some cases and especially when printing on very large It is necessary to be able to use existing printing blocks and, accordingly, the degree of stretching of the substrates Increase the size of the wearer and / or the size of the wearer.

From the above it can be seen that the printing block used for the transfer of ink to the carrier is set in an offset process can be in substantially the conventional form. However, since the printing block will be smaller than its usual one Counterpart, it may be necessary to make certain modifications in order to achieve comparable print quality on the substrate to achieve. For example, it will generally be necessary to provide for the printing block to have thicker ink films on the carrier to ensure that an appropriate quantity of ink is deposited on the substrate becomes despite the reduced area of the printing block. This can require some modifications to the printing block itself, so that it transfers thicker films to the substrate and / or in relation to the manner in which the printing ink is applied to the Printing block is transferred in such a way that thicker films are applied to the active areas of the printing block,

Nevertheless, the printing block itself and the means / which are used to transfer the printing ink to the printing block will in principle be of conventional design and the inking units can, for example, comprise an ink reservoir and / or means for metering more ink,

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so that a regular quantity is transferred to the printing block.

In the case of direct pressing too, it generally becomes It may be necessary to take care that the inking units transfer layers of ink to the carrier which are thicker than that required with conventional printing blocks, so that an adequate quantity of ink is deposited on the substrate is printed. This may require changes in the way in which the printing ink is transferred to the carrier, but again, in principle, the inking units will have the conventional design.

The carrier can be made of any suitable elastic material. For example, the tape can consist of a Elffitomer are made, preferably natural or synthetic rubber, which has the required elasticity and is impermeable to the printing ink. For example, you can use pure vulcanized rubber latex that is made with a filler is provided to increase the strength, for example with carbon black.

Although in the case of direct or offset printing the Carrier can have the shape of a sheet, it is advantageous if the carrier has the shape of an endless belt, preferably led over drums. In this case, means can be provided for detecting the edge portions of the Ribbon and means for the management of the detection facilities such that the tape is stretched transversely as it moves from the inking unit to the printing unit. Furthermore Means can be provided for moving the detection means such that the tape is longitudinally is stretched.

Although there may be surface contact between the substrate and the carrier, it is advantageous to

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to prevent smearing or distortion of the image on the substrate when means are provided for line contact between the substrate and the support. In this case, the smearing can be eliminated when the Ta. Eng and the substrate are arranged so that in their contact line area the relative velocity between them is zero. Furthermore, distortions of the image on the substrate can be prevented if the guide devices are aligned so that the width of the tape immediately before and immediately after (with respect to the direction of movement of the tape) the line where the tape comes into contact with the substrate are the same and the means for moving the detection means are oriented so that immediately in front of and behind this line the speed of the belt is the same.

If, as will generally be the case, it is desired to ensure that the tape is stretched uniformly at the position where the tape comes into contact with the substrate, the guide means and the means designed for the movement of the detection devices that the total longitudinal stretch of the tape is equal to the total transverse stretch of the tape immediately before this position is.

It is advantageous if the detection devices comprise a plurality of detection elements, each attached at each edge of the belt, and if the guide means are continuous guide tracks for each edge of the tape, the detection elements along each edge of the tape so being detected by the associated track and are moved along the same that the shape of the edge of the tape is determined by the contour of the track.

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In this case, the means for moving the sensing elements along each belt edge are provided, advantageously comprise a pair of rotatable, elongated, for example cylindrical, elements, for example a screw or a screw conveyor, with one such link in front of and another behind the position mentioned is arranged and each member has a circumferential groove or a circumferential thread, which spirals winds around its axis and along its longitudinal extent for the Detection of the detection elements in such a way that when the member is rotated about its axis, the detection elements along the associated Tracks are guided, the tracks being formed along each edge of the tape so as to be spaced apart from one another remove prior to the position of contact between tape and substrate, and taking the pitch of the groove in or of the thread on each elongated link is sized to enlarge from one end of the link to the other, and the Pitch of the groove or thread in the upstream link of a pair of links in the direction of movement of the Sensing element increases, and the pitch of the groove or thread on the downstream link of the pair in the direction of movement of the sensing elements is reduced, such that the total change in pitch of both members is the same.

If the carrier is in the form of a sheet, the Facilities for the transfer of printing ink to the In the case of offset printing, the carrier is a flat or cylindrical one Include printing form or in the case of direct printing a flat plate or one or more ought to thaw! Middle, For example, a flat plate to support the Carrier while the ink is on him through the printing block or the roles are transferred. In this case too you can the means of maintaining the contact between camps

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-and the substrate include devices to put the substrate in To bring surface contact with the stretched sheet, and facilities, for example, a flat plate or rollers for pressing the substrate and the stretched sheet against each other.

If the carrier is in the form of an endless belt, that runs over drums, it is advantageous if the equipment for the ink transfer to the carrier is close to one of the drums, hereinafter referred to as the first drum, are arranged, and the means for effecting contact between the The substrate and the carrier are close to the other, hereinafter referred to as the second drum.

In this case, the inking units can use offset printing comprise a rotating cylindrical printing block or, in the case of direct printing, a roller which comes into contact with the belt when it runs over the first drum. To this Way, the first drum is used to press the tape against the printing block or roller.

In this case again the means for effecting contact between the support and the substrate can be used a roller, arranged near the second drum, so that at Pass this substrate over the second roller of contact: with the carrier takes place as well as a pressure when passing over the second TroiMiel .. This training enables without further ado, the contact between the carrier and the suisstrat as To train a single kootakt.

If the carrier has the shape of a flat sheet, then the substrate is usually in the printing position brought into the form of a single sheet while then when the carrier has the form of an endless belt, the substrate

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can be brought into the printing position in the form of separate sheets or continuously as a web from a roll. Another One option is to start with a roll of material that is cut into sheets just before printing will.

In the method according to the invention, any Printing inks are used that are transferable from the support to the substrate, and the type of printing ink used will depend to a large extent on the particular printing process used. For example, for methods such as newspaper printing or lithography, the printing ink can consist of a resin, which includes drying oils and resins as carriers for a desired one Pigment, which can be a powdered color, for example. In this case the printing ink hardened mainly by chemical hardening, for example by oxidation. With flexographic printing, the printing ink a solution or suspension, for example a shellac resin, as a carrier for the pigment. In this case receives hardening occurs through evaporation of the solvent. Printing ink for photogravure is similar to that for flexography and is prepared by dissolving or suspending a resin or a resin mixture in a solvent which the pigment contains. This printing ink dries through evaporation. Compared to newspaper and lithographic inks, that is The flexographic and photogravure inks dry relatively quickly and evaporation can be delayed, if necessary, by using a solvent that is less volatile is at operating temperature.

In general, the printing color is when it is the printing position achieved; "have such a state that assured is that the printing ink reaches the substrate satisfactorily from the carrier. However, if printing inks with thermo-

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Plastic resins are used, there is a risk that the color solidifies on the carrier when it comes into contact with the Substrate is brought. This can be avoided if the device is for effecting contact between the wearer and the substrate comprises said elements second drum and second roller in which means are provided for Heating of the second roll and / or further rolls. If accordingly the color from the solution or suspension or the Melt is applied to the carrier and solidifies before the printing position is reached, the heated rollers are used tends to soften the paint so that it can be neatly transferred from the support to the substrate.

If printing in two or more colors is required, this can be done using a single device according to the invention and replacement of the printing block for offset printing or of the carrier for direct printing, always when a new color has to be printed. Alternatively, printing in two or more colors can be achieved by Printing a color on the substrate using an apparatus according to the invention and then transferring of the substrate to a second device for transferring a second color, etc. The use of two or more devices according to the invention in this way is particularly suitable when the substrate of the printing position in the form of a Web is fed from a roll. In this case, the substrate, after having a first color in 'the first Machine has been printed, fed to the second machine, where the second color is printed, etc., and that Printing process is ongoing.

However, if two or more colors are to be printed, it is preferred that each of the two or more printing blocks be (in the case of offset printing) or each of the two or more rollers (in the case of direct printing) is designed so

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that the respective printing ink is transferred to the carrier, when he walks over the first drum. The ink-transferring printing blocks or inking unit rollers can, for example, from one another removed in the direction of carrier movement.

The method and apparatus according to the invention can be used to print on almost any type of substrate. However, they are particularly suitable for printing wallpaper, textiles, floor coverings and the like because the area to be printed is relatively large, the conventional printing block is expensive and the main goal is to be attractive and create colorful designs while the precise delimitation of the printed areas is less meaningful. Likewise, the process can also be used for printing transfer papers, which are now in roll and sheet form for printing on textiles, wall coverings, etc. be used.

A printing apparatus according to the invention and a printing method according to the invention are referred to below explained in more detail on the accompanying drawings.

Fig. 1 shows a highly schematic side view of part of the printing device,

Fig. 1a shows an enlarged detail of the device according to Fig. 1,

Fig. 2 is a top plan view of the device;

Fig. 3 is a side view of part of the device on a larger scale than that of Figs and

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Fig. 4 shows, partially in section, a detail of the

Device on a larger scale in Fig. 3.

The precaution shown in the drawings comprises three rotatable cylindrical printing blocks 1, on which printing ink, as shown for example in Fig. 1a, is transferred by partially immersing two rollers 2 and 3 in an ink reservoir 4. Each bath contains printing ink of a specific color different from the inks in the other two Baths.

An endless track or a band 5 made of ice material is arranged on two drums 6 and 7. The drum 7 is arranged near the printing blocks 1, while the drum 6 rakes a roller 8, around which a substrate 9 to be printed, for example made of paper, can be guided.

The substrate 9 can be in the form of a continuous strip which the roll 8 of a (not shown) Roll is fed or it can be fed to the roll 8 in the form of separate sheets, for example separated are taken from a roll of material immediately before being fed to roll 8.

A plurality of engaging elements 1o are located along the length of each edge of the tape 5, and this are attached there. The engagement elements on each side of the belt are in engagement with associated continuous ones Guide tracks 11, which lie in the vertical plane, and they are slidable along these tracks. The leadership tracks 11 have upper portions which are in engagement with the sensing elements 1o attached to the upper run X. of the belt with the upper parts diverging in the direction of movement of the belt 5 (i.e. in the direction of arrow A in

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Pig. 2). The guide tings tracks 11 also have lower sections which are in engagement with detection elements 1o attached to the lower run Y of the band 5, and the lower Parts converge in the direction of belt movement.

The sensing elements 1o on each side of the tape are moved by two pairs of revolving screw conveyors 12, one pair for each belt edge, with the axes of the screws lying horizontally. Each screw conveyor 12 is set in rotation by a drive device 13, for example a motor, and has the shape of an elongated cylinder, supported in bearings 14, with a groove 15 in the periphery, which spirals around the axis and along the length of the cylinder.

Alternatively, the groove can be replaced by a thread or a rib. The screws of each pair are arranged one above the other, one engaging with the sensing elements running along the upper run X of the belt and the other engaging with the sensing elements on the lower run Y of the belt. The pitch of each screw changes lengthways, with the total change in the pitch of each screw being the same. The pitch of each upper screw increases in the direction of movement of the belt, while the pitch of each lower screw decreases in the direction of movement of the belt. The diverging and converging parts of the guide tracks 11 are each straight, and the screws 12 are arranged so that their axes are parallel to the diverging or converging part of the guide track near which they are located. In addition, the lengths of these parts and their angles of divergence or convergence are the same, and the upper and lower parts of each side of the belt 5 are vertically below and below, respectively. on top of each other. Accordingly, the stretching in the lateral direction in the upper run X of the band 5 takes place exactly in the form of the contracting which is carried out in the lower run ^{Y of} the band.

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The use of similar screws 12 above and below ensure that the ratio between stretches is equal and contracting of the band 5 in the longitudinal direction occurs when the screw conveyors rotate at the same speed.

The detection elements 1o are with their details shown more clearly in FIG. As shown, each element comprises a plate of L-shaped cross-section, one being Leg of the L-shape is permanently connected, for example by riveting, as shown, or detachably to an eye 16, which is located near the edge of the band 5. The other leg of the L extends between two guide rails 17, which form the guide track 11, and is guided there. Each element 1o is provided with support wheels 18, which run on the rails 17 and ensure a smooth running movement of the element 1o. About loosening the wheels To prevent 18 from the rails 16, the mentioned other leg of the plate is provided with a transverse pin 19, which on the underside of the rails 17 facing away from the wheels 18,

As shown in Fig. 4, each element 1o is provided with a Guide nose 2o is provided which engages in a groove 15 in a corresponding screw conveyor 12.

The band 5 can be made of any elastic material. You can use rubber, for example, pure rubber vulcanized rubber latex, provided with a filler, for example carbon black .. The edge portion of the belt 5 can, if necessary, reinforced with a fabric insert.

When printing, rollers 2, 3 and 4 rotate with them Speed and in such a sense of rotation that an ink film of a predetermined thickness is transferred to each printing block 1 and accordingly also on the band 5.

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When the tape 5 runs in the direction of the arrow A, it is stretched in the transverse direction by means of the detection elements 1o, which run in the guide tracks 11, and in the longitudinal direction as a result of the change in the pitch of the screw conveyors 12 over their length. The longitudinal stretching of the tape 5 depends on the Change in the pitch of the screws 12, and the transverse stretching depends on the divergence of the guide tracks 11. The change in the pitch of the screws 12 is selected in relation to the divergence of the tracks 11 in such a way that the total longitudinal stretching of the tape 5 is equal to the total transverse stretching of the tape 5 at the point in time when the belt 5 comes into contact with the drum 6. Accordingly, the band is uniform in all Directions stretched at this point. As mentioned above, after overflowing the drum 6, this mode of operation is reversed carried out so that the stretching of the tape 5 is progressively reduced until it reaches the inking station.

When the belt 5 overflows over the drum 6 it arrives it is in contact with the substrate 9 which runs over the roller 8. As a result, the tape 5 is stretched uniformly is, the ink is transferred to the substrate 9 uniformly.

The device described above is an offset printing apparatus, because the tape 5 serves as an intermediate carrier for the recording of an image of the printing blocks 4 and this image then on the substat 9 transmits. Alternatively, the band 5 can also be used as a printing block itself, so that the device a Direct printing machine would be. In this case the printing blocks are 1 not required, and each can be replaced, for example, by another inking roller in contact with roller 3 of the inking unit.

The device described so far can be modified in various ways. For example, can

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you can use one, two or four printing blocks depending on the number of colors to be printed.

It will be understood that the manner in which the elements Io are attached to the belt edge can be varied. For example, each element 1o could be designed as a hook that is guided through an eye 16 and is permanent there or is releasably attached or in the form of a clamp for permanent or releasable gripping of the edge portions of the Ribbon on the top and bottom. Alternatively, it is possible to use additional support wheels similar to the wheels to replace.

When each screw conveyor would be provided with a helical thread or a rib 12, each element could be provided alternatively 1o with a corresponding guide or a shoe in sliding engagement on the thread.

(Patent claims)

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Claims (4)

■ - is - 254722? Claims 1. Printing process, characterized in that printing ink is applied to a carrier made of elastic material is that the colored carrier is stretched for the purpose of enlarging its surface, that then contact between the surface of the stretched, colored carrier and a substrate is produced, and that printing ink of the stretched carrier is transferred to the substrate. 2. The method according to claim 1, characterized in that the printing ink is applied uniformly to the carrier and then stretching the surface of the support uniformly in all directions. 3. The method according to claim 2, characterized in that the carrier is formed as a tape or web, and that uniform stretching of the carrier by stretching the carrier uniformly is carried out in two directions, once in the longitudinal direction and once across it at a right angle and in the plane of the belt. 4. The method according to any one of claims 1 to 3, characterized in that that the substrate is supplied in the form of individual sheets or a continuous web. 5. The method according to any one of claims 1 to 4, characterized in that that the substrate is paper, plastic or textile material. 6. The method according to any one of claims 1 to 5, characterized in that that the process is designed as an offset printing process - 2o - 609819/0839 -2ο- 254722? is performed, wherein printing ink is transferred from a printing block to the carrier and then from the carrier to the Substrate is transferred. 7. The method according to any one of claims 1 to 5, characterized in that that the process is carried out as a direct printing process, the carrier itself forming the printing form and is colored directly by an inking unit and then the printing ink is transferred directly to the substrate. 8. Apparatus for performing the printing process according to claim 1, characterized by a carrier made of elastic Material, a device for transferring printing ink to the support surface, a device for stretching of the carrier after application of the printing ink for the purpose of enlarging the carrier surface and a device for the production a contact between the substrate to be printed and the stretched carrier surface for the purpose of transferring Printing ink from the stretched carrier onto the substrate. 9. Apparatus according to claim 8, characterized in that the carrier is designed as an endless web or as a belt. 10. The device according to claim 9, characterized in that that the carrier is guided over drums. 11. Device according to one of claims 8 to 1o, gekennlehnet by means for establishing line contact between the substrate and the carrier. 12. Device according to one of claims 9 to 11, characterized by devices for detecting the edge sections of the tape and by means for guiding the edge detection devices such that the tape - 21 - 6Ü9819 / 0839 7227 is cross-stretched during its movement by the inking device to the transfer facility. 13. The apparatus according to claim 11, characterized by Means for moving the detection means such that the tape is stretched longitudinally. 14. The apparatus of claim 13 when dependent on claim 12, characterized in that the guide device is designed so that the width of the belt is immediately upstream and downstream, viewed in the direction of movement of the belt, with respect to the position where the belt is in contact with the Substrate occurs, is the same, and that the device for moving the detection device is designed so that immediately upstream and downstream of this position the belt speed is the same. 15. Device according to one of claims 12 to 14, characterized characterized in that the detection means comprises a plurality of detection elements, each on one Edge of the tape and that the guide means comprises continuous guide tracks, one for each Tape edge, the sensing elements thus engaging and along each edge of the tape in the associated track be moved so that the edge of the tape is determined by the contour of the guide track. 16. The device according to claim 15, characterized in that the means for moving the detection elements along each edge of the belt include a pair of rotatable elongate members, one upstream and one another the other downstream of the position where the carrier comes into contact with the substrate, each elongated, rotatable Element has a circumferential groove or a circumferential thread that - 22 - 609819/0839 extends spirally around the axis and along the longitudinal extension of the rotatable member for engaging the sensing elements such that M rotation of the member about its axis the detection elements are moved along the associated tracks, that the tracks along each edge of the Tape are designed so that they diverge upstream of the contact position between tape and substrate that the The pitch of the groove in or thread on each elongate rotatable member is formed from one end of the link to the other increases and the pitch of the groove or thread of the upstream link of a pair increases of links in the direction of movement of the detection elements increases, while the pitch of the groove or thread of the downstream member of the pair decreases in the direction of movement of the sensing elements, and with the total slope change of the two members is the same. 17. The device according to claim 1o or one of the claims 11 to 16, as far as dependent on claim 1o, characterized in that that the device for coloring the carrier is arranged near one of the drums and the device is located near the other drum for making contact between the subsfcat and the support. 18. The device according to claim 17, characterized in that that the means for establishing the contact between substrate and support comprises a roller close to that mentioned Another drum is arranged such that the substrate runs over the RoILe and comes into contact with the carrier below Applying pressure as the carrier passes over the other drum. 19. The device according to claim 18, characterized by devices for heating the roll and / or other rolls. 20. Device according to one of claims 9 to 19, characterized characterized in that the carrier is made of elastomeric material. 609819/0839 " ²³ 21. The device according to claim 2o, characterized in that that the material is natural or synthetic rubber. 22. The device according to claim 21, characterized in that the material of the carrier is pure vulcanized guiranilatex is. 23. The device according to claim 22, characterized in that the latex with a strength-improving filler is provided. 2 4. Device according to one of claims 8 to 23, characterized characterized in that the device as an offset printing machine is designed that the ink transfer device comprises a printing block and the carrier is designed so that the Printing ink is transferred to him from the printing block. 25. Apparatus according to claim 24, insofar as dependent on claim 18 or 19, characterized in that the printing block is designed so that it comes into contact with the tape when this over which a drum runs. 26. The device according to claim 25, characterized in that the device is designed so that printing ink with two or more colors are transferred onto the substrate with one or more additional printing blocks in contact with the tape occur when this runs over the mentioned first drum, and woteL each printing block is designed for the transfer a specific ink on the tape. 27. The device according to claim 26, characterized in that the printing blocks are spaced from one another in the direction of movement of the tape are arranged. 28. Device according to one of claims 8 to 2 3, characterized / that the device as a direct printing machine 809819/0839 -24- is formed, wherein the carrier itself forms the printing block and is arranged so that printing ink on it directly from a Inking unit is transferred. 29. The device according to claim 28, as far as dependent on claim 18 or 19, characterized in that the device for coloring the support comprises a roller in contact with the belt as it passes over the first drum. 30. The device according to claim 29, characterized in that that the device is designed so that one or more different printing inks are transferred to the substrate, for which one or more additional rollers are provided in contact with the belt when it runs over one drum, and wherein each inking roller is arranged to transfer an associated ink to the tape. 31. The device according to claim 3o, characterized in that that the inking rollers are spaced from one another in the direction of tape movement. 32. method of transferring a printing ink to a substrate, in which the printing ink is transferred to the carrier of the device according to any one of claims 8 to 31 and the printing ink from the stretched carrier is transferred to the substrate. 6098 19/0839 Blank page