EP0314189A2 - Druckverfahren - Google Patents

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Publication number
EP0314189A2
EP0314189A2 EP88118147A EP88118147A EP0314189A2 EP 0314189 A2 EP0314189 A2 EP 0314189A2 EP 88118147 A EP88118147 A EP 88118147A EP 88118147 A EP88118147 A EP 88118147A EP 0314189 A2 EP0314189 A2 EP 0314189A2
Authority
EP
European Patent Office
Prior art keywords
ink
solid
printing
solid ink
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP88118147A
Other languages
English (en)
French (fr)
Other versions
EP0314189A3 (de
Inventor
Kohzoh Arahara
Tetsuro Fukui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP29182187A external-priority patent/JPH01133776A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP0314189A2 publication Critical patent/EP0314189A2/de
Publication of EP0314189A3 publication Critical patent/EP0314189A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme

Definitions

  • the present invention relates to a printing process.
  • liquid high-viscosity printing inks comprising vehicles therefor which comprise drying oils, semidrying oils, high-boiling point solvents, resins, etc. Accordingly, in the conventional printing processes, it is very inconvenient to handle the printing ink when it is supplied to a printing press or machine, or the printing ink tends to stain clothes or hands very often.
  • An object of the present invention is to provide a printing process wherein the printing ink to be used is easy to handle, and the resumption thereof is easy even after the printing machine supplied with the printing ink is as such left standing for a long time.
  • a printing process comprising: liquefying an ink which is solid at room temperature; applying the liquefied ink onto a plate having a pattern; and transferring the ink from the plate to a transfer-­receiving medium thereby to form thereon an ink pattern corresponding to the pattern of the plate.
  • a solid ink which is solid at room temperature (generally, 20 - 30 °C).
  • the solid ink used in the present invention may include an ink in the form of powder.
  • a solid ink 2 contained in an ink container (or tank) 2 is moved toward a plate cylinder 9 by means of rollers 3 - 8 respectively rotating in the direction of arrows shown in Fig. 1, and supplied to a plate 10 disposed on the plate cylinder 10.
  • the amount of the ink supplied to the plate 10 may suitably be controlled by regulating the number of such rollers 4 - 8.
  • the material constituting the rollers 3 - 8 may include metal, resin, elastomer such as rubber, etc. Among these, elastomer is particularly preferred.
  • a heating device 11 is disposed as desired.
  • the solid ink 2 is converted into a liquid form (i.e., supplied with an adhesiveness to the plate 10), e.g., by heating it up to a temperature of the softening point thereof or higher.
  • the liquefied ink is supplied to the plate 10.
  • the thus liquefied ink may preferably have an adhesiveness as follows.
  • the liquefied ink used in the present invention should preferably show a weight increase of the aluminum foil of 20 mg or more, more preferably 50 mg or more.
  • the heating device 10 may be known one such as an infrared lamp, a resistor capable of generating heat due to current conduction therethrough.
  • heating devices (not shown) may be disposed inside the rollers 3 - 8.
  • the liquefied ink is applied onto the plate 10 by means of the roller 8, and the thus applied ink is then transferred to a blanket cylinder 12 to form an ink pattern corresponding to the pattern of the plate 10, as the plate cylinder 9 rotates.
  • the plate 10 may be known one.
  • Example thereof may include, e.g., a plate for offset printing, a plate for gravure printing, a relief, etc.
  • a transfer-receiving paper 16, (i.e., medium to be recorded) 16 is supplied to the nip portion 17 between the impression cylinders 13 and the blanket 12 in synchronism with the ink pattern formed on the blanket 12.
  • a large number of sheets of the transfer-receiving paper are stored in a reservoir 14 and they are sequentially sent out to a conveying path 15.
  • the transfer-receiving paper 16 is moved by the rotation of the blanket 12 and the impression cylinder 13, and contacts the ink pattern formed on the blanket 12 at the nip portion 17, whereby the ink pattern is transferred to the transfer-receiving paper 16.
  • the transfer-receiving paper 16 onto which the ink pattern is transferred is discharged from the nip portion 17, and falls into a tray 18.
  • the blanket 12 is omissible in some cases.
  • an ink pattern formed on the plate 10 may be transferred to the transfer-receiving paper 16 directly.
  • the blanket 12 may preferably be disposed, because the abrasion of the plate 10 due to the transfer-receiving paper 16 can be prevented, and an image having the same pattern as that of the plate 10 can be obtained on the transfer-receiving paper 16.
  • the material constituting the plate cylinder 9, blanket 12 and impression cylinder 13 may be metal, resin, an elastomer such as rubber, etc.
  • the solid ink used in the present invention may be either a material in the form of a block or mass having certain dimensions, or a material in the form of powder. More specifically, the solid ink may preferably be a powder material (i.e., a group of particles having a particle size of 1 mm or smaller), or a block material which has a shape-retaining property under ordinary conditions (i.e., 1 atmosphere, 25 °C, relative humidity of 60 %). It is further preferred that the solid ink does not have an adhesiveness.
  • the above-mentioned shape-retaining property may for example be evaluated in the following manner.
  • a solid ink in the form of a block having a volume of 1 cm3 (1 cm x 1 cm x 1 cm) is caused to stand still on a flat floor (e.g., the surface of a plate of stainless steel) under the condition of 1 atm. for one hour. Thereafter, the maximum height of the block counted from the floor surface (i.e., shape-retaining height) is measured.
  • shape-retaining height may preferably be 0.9 cm or larger, because such solid ink has a high shape-retaining property.
  • the above-mentioned adhesiveness may for example be evaluated in the following manner.
  • an aluminum foil having a thickness of 0.1 mm is caused to stand still on a solid ink to be evaluated for 5 sec. or more. Thereafter, the aluminum foil is peeled from the solid ink.
  • the solid ink used in the present invention may preferably show a non-adhesiveness such that the solid ink is not substantially attached to the above-mentioned aluminum foil (i.e., substantial attachment thereof is not confirmed when observed with the naked eye).
  • the solid ink at room temperature may preferably have a non-adhesiveness as follows.
  • an 0.1 mm - thick aluminum foil of 5 cm x 5 cm in size is, after being accurately weighed, placed gently and is left standing as it is for 1 min. in an environment of a temperature of 25 °C and a moisture of 60 %. Then, the aluminum foil is gently peeled off from the surface of the ink and then quickly weighed accurately to measure the increase in weight of the aluminum foil.
  • the solid ink used in the present invention should preferably show a weight increase of the aluminum foil of 10 mg or less, more preferably 2 mg or less.
  • particles constituting the solid ink may preferably have a volume-average particle size of 0.1 - 1,000 microns, more preferably 10 - 100 microns. If the volume-average particle size is smaller than 0.1 micron, the fluidity of the ink is undesirably too low. On the other hand, the volume-average particle size is larger than 1,000 microns, the resultant image quality undesirably decreases. In the present invention, the above volume-average particle size may be measured by means of a Coulter counter with a 100 microns - aperture.
  • the particles constituting the solid ink in the form of powder may be microcapsules comprising a core material and a shell material.
  • the core of the microcapsule can also be a liquid material. Further, when a tacky solid material is converted into a microcapsule form by coating it with a shell material, the handling thereof becomes very easy.
  • the solid ink In a case where a block having certain dimensions (i.e., a material other than powder) is used as the solid ink, it is preferred to keep the ink contained in the ink container 1 in a liquid state by heating the ink container 1.
  • a block having certain dimensions i.e., a material other than powder
  • the solid ink 2 may be shaped into a bar form and used by encasing it in a case 20.
  • the solid ink 2 in the bar form may continuously be pushed toward the roller 3 by means of a spring 21, etc., so that it may be applied onto the surface of the roller 3 along with the rotation of the roller 3.
  • the ink container 1 may be omitted.
  • the heating means 11 is omissible.
  • the microcapsules may be ruptured by the pressure applied between the rollers 3 - 8, whereby the solid ink 2 is liquefied.
  • the solid ink (or the shell material in the case of the solid ink comprising microcapsules) may preferably have a softening point of 40 - 150 °C, more preferably 50 - 120 °C, according to the ring and ball method (JIS K 2531).
  • the solid ink (or the core material in a case where the solid ink comprises microcapsules) used in the present invention may preferably be a mixture comprising a wax and a colorant contained therein; or a gel, in a broad sense, comprising a liquid dispersion medium and a crosslinked substance impregnated therewith; etc.
  • wax examples include: natural waxes such as whale wax, beeswax, lanolin, carnauba wax, candelilla wax, montan wax, ceresin wax and the like; petroleum waxes such as paraffin wax and microcrystalline wax; synthetic waxes such as oxidized wax, ester wax, low-molecular weight polyethylene, Fischer-Tropsch wax and the like; etc.
  • various known dyes or pigments may be used as the colorant.
  • specific examples of such colorant may include known dyes or pigments such as carbon black, Nigrosin dyes, lamp black, Sudan Black SM, Fast Yellow G, Benzidine Yellow, Pigment Yellow, Indo Fast Orange, Irgadine Red, Paranitroaniline Red, Toluidine Red, Carmine FB, Permanent Bordeaux FRR, Pigment Orange R, Lithol Red 20, Lake Red C, Rhodamine FB, Rhodamine B Lake, Methyl Violet B Lake, Phthalocyanine Blue, Pigment Blue, Brilliant Green B, Phthalocyanine Green and Oil Yellow GG.
  • These dyes or pigments may be used singly or a combination of two or more species as desired.
  • the colorant may preferably be used in an amount of 0.1 - 40 wt. %, more preferably 1 - 20 wt. %, based on the total weight of the ink.
  • an organic solvent may also be contained in the non-microcapsular solid ink.
  • the organic solvent content may preferably be 50 wt. % or less, more preferably 30 wt. % or less, in view of the storability of the ink.
  • the solid ink may also be a gel, in a broad sense, comprising a liquid dispersion medium and a crosslinked substance impregnated therewith.
  • crosslinked substance refers to a single substance which per se can assume a crosslinked structure, such as those generally known as a thickness or a telling agent, or a mixture of a substance capable of assuming a crosslinked structure with the aid of an additive such as a crosslinking agent for providing a crosslinking ion such as borate ion, and the additive.
  • crosslinked structure refers to a three-dimensional structure having a crosslinkage or crosslinking bond.
  • the crosslinkage may be composed of any one or more of covalent bond, ionic bond, hydrogen bond and van der Waal's bond, but may preferably be composed of ionic bond and/or hydrogen bond in order to satisfy the above-mentioned fluidity and liquid dispersion medium-­retaining property of the ink in combination. More specifically, the crosslinked structure may be any one of a network, a honeycomb, a helix, etc., or may be an irregular one.
  • Examples of the crosslinked substance for providing the above-mentioned gel may include: natural polymers including plant polymers such as guar gum, locust bean gum, gum arabic, tragacanth, carrageenah, pectin, mannan, and starch; microorganism polymers such as xanthane gum, dextrin, succinoglucan, and curdran; animal polymers such as gelatin, casein, albumin, and collagen; semi-synthetic polymers including cellulose polymers such as methyl cellulose, ethyl cellulose, and hydroxyethyl cellulose, starch polymers such as soluble starch, carboxymethyl starch, methyl starch; alginic acid polymers such as propylene glycol alginate, and alginic acid salts; and other semi-synthetic polymers such as derivatives of polysaccharides; synthetic polymers including vinyl polymers such as polyvinyl alcohol, polyvinylpyrrolidone, polyvinyl methyl
  • the above-mentioned crosslinking agent may be a compound containing aluminum, titanium, boron, etc.
  • the crosslinking agent may preferably be used in an amount of 20 wt. % or less based on the weight of the crosslinked substance.
  • the liquid dispersion medium constituting the gel composition in combination with the above-mentioned crosslinked substance may preferably be a less vaporizable liquid, in view of the ink storability and environmental sanitation. More specifically, there may preferably used a liquid having a (saturation) vapor pressure of 15 mm Hg or below, more preferably 1 mm Hg or below, particularly preferably 0.1 mm Hg or below at 20 °C, in view of less vaporization.
  • liquid dispersion medium may include: polyhydric alcohols such as ethylene glycol, propylene glycol, sorbitol, mannitol, diethylene glycol, triethylene glycol, tetraethylene glycol, polyethylene glycol and glycerin; glycol ethers such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, and ethylene glycol monobutyl ether; nitrogen-containing compounds such as triethanolamine, formamide, dimethylformamide, dimethyl sulfoxide, N-­methyl-2-pyrrolidone, and 1,3-dimethylimidazolidinone.
  • the content of the liquid dispersion medium may preferably be 90 wt. % or less, more preferably 60 wt. % or less, based on the total weight of the solid ink.
  • the solid ink may preferably be a gelatin gel containing gelatin in an amount of 5 - 50 wt. %, as the above-mentioned crosslinked substance, in view of printability; supercooling property, etc., because such gel may shown in temperature at a relatively low a large change in adhesiveness corresponding to a small difference temperature.
  • the solid ink may preferably contain water in view of solubility and stability thereof. More preferably, the solid ink may contain a liquid dispersion medium comprising a mixture of water and a polyhydric alcohol, in view of the stability.
  • the shell material constituting them may preferably be polyamide such as nylon, gelatin, urea-­formalin resin, melamine-formalin resin, polyurethane, etc.
  • the core material comprises a liquid
  • the liquid may preferably be alkylnaphthalene, biphenyl derivatives, linseed oil, chlorinated paraffin, etc.
  • the amount of a colorant contained the ink may preferably be 0.5 - 40 wt. %, more preferably 1 - 20 wt. %, based on the total weight of the ink (or the core material in the case of the microcapsular ink).
  • microencapsulation techniques such as the in-situ polymerization method, the interfacial polymerization method, and the orifice method.
  • a printing process wherein a solid ink which is solid at room temperature is liquefied to effect printing.
  • the printing process of the present invention it is very easy to handle the ink and the frequency of staining of clothes or hands is very low. Further, the printing machine can be operated immediately, even after it is left standing for a long time. As a result, the operability of the printing machine may be enhanced and the maintenance thereof becomes easier.
  • the liquid B was mixed with the above liquid A , and subjected to mixing by means of a homomixer at 7,000 rpm for 30 min. Then, the mixture was heated up to 60 °C, subject to mixing at 200 rpm for three hours and subjected to filtration and drying, thereby to prepare a solid ink in a powder form comprising microcapsules having a volume-average particle size of 11 microns.
  • a plate 10 was prepared in the following manner.
  • a paint comprising a fluorine-containing polymer (trade name: FC-721, Sumitomo Three-Emu K.K.) as an ink-adherent liquid was applied onto a 50 micron-thick polyimide film to form an about 3 microns-thick paint layer.
  • a desired pattern was formed on the fluorine-containing polymer paint layer by electrophotography by using toner particles which had a volume-average particle size of 4.4 microns and predominantly comprised a styrene-­acrylic resin and carbon black.
  • the above prepared plate 10 was wound about an aluminum plate cylinder 9 having a diameter of 20 cm.
  • the above-mentioned solid ink 2 was charged in an ink tank 1 and printing was effected by rotating rollers 3 - 8 so as to rotate the above-mentioned plate cylinder 9 at 10 rpm.
  • the solid ink was crushed by the rollers 3 - 8 and liquefied, and was applied onto the plate 10.
  • the ink applied onto the plate 10 was transferred to a transfer-receiving paper 16 by the medium of a blanket cylinder 12 having a diameter of 20 cm.
  • the liquefied ink penetrated into the transfer-­receiving paper 16 thereby to provide a good image which was faithful to the original pattern formed on the plate 10.
  • the ink disposed on the rollers 3 - 8 was removed, and the printing machine was left standing for 10 days while retaining the ink 2 in the ink tank 1 as such. Thereafter, printing was again effected whereby the same images as described above were obtained.
  • Colloidal silica RA 200-5 (the same as in Example 1) 1.2 wt. parts Water 140 wt. parts
  • the liquid B was mixed with the above liquid A , and subjected to mixing by means of a homomixer at 8,500 rpm for 15 min. Then, the above liquid C was added to the resulted mixture and heated up to 40 °C, stirred for three hours at 100 rpm and subjected to filtration and drying, thereby to prepare a solid ink in a powder form comprising microcapsules, having a volume-average particle size of 16 microns.
  • Example 1 By using the thus prepared solid ink, printing was effected in the same manner as in Example 1. As a result, good images were obtained similarly as in Example 1.
  • the printing machine was left standing for 10 days in the same manner as in Example 1, and thereafter printing was effected. As a result, there were obtained good images which were substantially the same as mentioned above (i.e., before the printing machine was left standing).
  • the above components were mixed at 60 °C for three hours by means of an attritor, thereby to prepare an ink which was solid at room temperature.
  • the thus prepared ink was subjected to the measurement of the shape-retaining height and the adhesion to an aluminum foil, in the above-described manner, it showed a shape-retaining height of 1.0 cm and substantially no adhesion.
  • the thus prepared ink was subjected to printing by means of the printing machine in the same manner as in Example 1 except that the ink 2 was heated up to 70 °C in the ink tank 1 and an infrared lamp 11 was disposed above the rollers 4 - 8 so that the roller surfaces were heated up to 65 °C to liquefy the ink disposed on the rollers.
  • the above components were mixed at 70 °C to prepare an ink which showed a softening point of about 45 °C, a shape-retaining height of 1.0 cm and substantially no adhesion to an aluminum foil.
  • the thus prepared ink was heated at 70 °C in the ink tank 1 and subjected to printing in the same manner as in Example 3 except that the surfaces of rollers 3 - 8 were heated at 60 °C and a plate 10 corresponding to a solid image pattern was used. As a result, a uniform solid image was obtained on plain paper. This image was sufficiently fixed to the paper so that the offset thereof did not occur even when the recorded paper was superposed on another paper.
  • the printing machine supplied with the ink was as such left standing at room temperature (23 - 25 °C) for 10 days. Thereafter, printing was effected in the same manner as described above, whereby the same solid image as mentioned above was obtained.
  • Ethylene glycol 1440 wt. parts Water 360 wt. parts Butyl para-hydroxybenzoate (antiseptic) 8 wt. parts Polyvinyl alcohol (trade name: Gohsenol GL-0.3, mfd. by Nihon Gosei Kagaku Kogyo K.K.) 360 wt. parts Borax (decahydrate) (crosslinking agent) 14 wt. parts 0.1N NaOH 14 wt. parts Carbon black (mfd. by Cabot Co., USA) 100 wt. parts
  • the above components were mixed at 70 °C to prepare an ink which showed a softening point of about 55 °C, a shape-retaining height of 0.98 cm and substantially no adhesion to an aluminum foil.
  • Example 4 The thus prepared ink was subjected to printing in the same manner as in Example 4, whereby good printed matter the same as in Example 4 was obtained.
  • Example 4 the printing machine was left standing for 10 days in the same manner as in Example 4. Thereafter, printing was effected in the same manner as described above, whereby the same solid image as mentioned above was obtained.
  • Example 4 An ink was prepared in the same manner as in Example 4 except that 12 wt. parts of a reactive dye (trade name: Red E-S3B, mfd. by Nihon Kayaku K.K.) was used instead of the carbon black used in Example 4. This ink showed a shape-retaining height of 0.98 cm and substantially no adhesion to an aluminum foil.
  • a reactive dye trade name: Red E-S3B, mfd. by Nihon Kayaku K.K.
  • Example 4 The thus prepared ink was subjected to printing in the same manner as in Example 4, whereby good printed matter the same as in Example 4 was obtained.
  • Example 4 the printing machine was left standing for 10 days in the same manner as in Example 4. Thereafter, printing was effected in the same manner as described above, whereby the same solid image as mentioned above was obtained.

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  • Printing Methods (AREA)
  • Ink Jet (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
EP19880118147 1987-10-29 1988-10-31 Druckverfahren Withdrawn EP0314189A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP27425087 1987-10-29
JP274250/87 1987-10-29
JP29182187A JPH01133776A (ja) 1987-11-20 1987-11-20 印刷方法
JP291821/87 1987-11-20

Publications (2)

Publication Number Publication Date
EP0314189A2 true EP0314189A2 (de) 1989-05-03
EP0314189A3 EP0314189A3 (de) 1991-01-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880118147 Withdrawn EP0314189A3 (de) 1987-10-29 1988-10-31 Druckverfahren

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EP (1) EP0314189A3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143546A (en) * 1990-01-08 1992-09-01 Canon Kabushiki Kaisha Recording material
EP0558010A1 (de) * 1992-02-25 1993-09-01 BERRENBAUM GmbH Verfahren und Vorrichtung zum Bedrucken von Materialbahnen
WO1996014211A1 (de) * 1994-11-02 1996-05-17 Druckfarbenfabrik Gebr. Schmidt Gmbh Druckverfahren

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217620A (en) * 1939-02-10 1940-10-08 Interchem Corp Method of and apparatus for printing
GB543393A (en) * 1939-08-03 1942-02-24 Huber J M Inc Letter-press printing process
US2322445A (en) * 1941-04-24 1943-06-22 J M Huber Inc Printing process
US3415186A (en) * 1966-02-10 1968-12-10 Xerox Corp Duplicating system
GB1157077A (en) * 1966-09-13 1969-07-02 Molins Machine Co Ltd Particulate Ink Systems
GB1215486A (en) * 1967-01-30 1970-12-09 James Romley Burton Printing plates and method of making the same
DE2051494A1 (de) * 1969-10-20 1971-04-29 Mattel, Ine , Hawthorne, Calif (VStA) Neuartiger Farbstift
DE2113452A1 (de) * 1970-03-20 1971-10-14 Ricoh Kk Feuchtverfahren fuer Offsetdruck
DE2635226A1 (de) * 1976-08-05 1978-02-09 Schering Ag Druckverfahren und dafuer geeignete schmelzdruckfarben
DE3125489C1 (de) * 1981-06-29 1982-10-28 Erich 8000 München Ortmeier Verfahren zum Beschriften oder Verzieren von Gegenständen

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2217620A (en) * 1939-02-10 1940-10-08 Interchem Corp Method of and apparatus for printing
GB543393A (en) * 1939-08-03 1942-02-24 Huber J M Inc Letter-press printing process
US2322445A (en) * 1941-04-24 1943-06-22 J M Huber Inc Printing process
US3415186A (en) * 1966-02-10 1968-12-10 Xerox Corp Duplicating system
GB1157077A (en) * 1966-09-13 1969-07-02 Molins Machine Co Ltd Particulate Ink Systems
GB1215486A (en) * 1967-01-30 1970-12-09 James Romley Burton Printing plates and method of making the same
DE2051494A1 (de) * 1969-10-20 1971-04-29 Mattel, Ine , Hawthorne, Calif (VStA) Neuartiger Farbstift
DE2113452A1 (de) * 1970-03-20 1971-10-14 Ricoh Kk Feuchtverfahren fuer Offsetdruck
DE2635226A1 (de) * 1976-08-05 1978-02-09 Schering Ag Druckverfahren und dafuer geeignete schmelzdruckfarben
DE3125489C1 (de) * 1981-06-29 1982-10-28 Erich 8000 München Ortmeier Verfahren zum Beschriften oder Verzieren von Gegenständen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143546A (en) * 1990-01-08 1992-09-01 Canon Kabushiki Kaisha Recording material
EP0558010A1 (de) * 1992-02-25 1993-09-01 BERRENBAUM GmbH Verfahren und Vorrichtung zum Bedrucken von Materialbahnen
WO1996014211A1 (de) * 1994-11-02 1996-05-17 Druckfarbenfabrik Gebr. Schmidt Gmbh Druckverfahren

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