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EP0213122B2 - Ticket formant une surface et codable optiquement - Google Patents
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EP0213122B2 - Ticket formant une surface et codable optiquement - Google Patents

Ticket formant une surface et codable optiquement Download PDF

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Publication number
EP0213122B2
EP0213122B2 EP85901291A EP85901291A EP0213122B2 EP 0213122 B2 EP0213122 B2 EP 0213122B2 EP 85901291 A EP85901291 A EP 85901291A EP 85901291 A EP85901291 A EP 85901291A EP 0213122 B2 EP0213122 B2 EP 0213122B2
Authority
EP
European Patent Office
Prior art keywords
thermal
protective layer
ticket
layer
film
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.)
Expired - Lifetime
Application number
EP85901291A
Other languages
German (de)
English (en)
Other versions
EP0213122A1 (fr
EP0213122B1 (fr
Inventor
Wolfram Kocznar
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.)
Skidata GmbH
Original Assignee
Skidata GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25595342&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0213122(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from AT322884A external-priority patent/AT397636B/de
Application filed by Skidata GmbH filed Critical Skidata GmbH
Publication of EP0213122A1 publication Critical patent/EP0213122A1/fr
Application granted granted Critical
Publication of EP0213122B1 publication Critical patent/EP0213122B1/fr
Publication of EP0213122B2 publication Critical patent/EP0213122B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/405—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography characterised by layers cured by radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/267—Marking of plastic artifacts, e.g. with laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0045—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by mechanical wave energy, e.g. ultrasonics, cured by electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams, or cured by magnetic or electric fields, e.g. electric discharge, plasma

Definitions

  • Thermally inscribable materials are usually used in the form of papers provided with a thermal layer. This thermal paper is processed in thermal printers, whereby a brief change in the temperature of the thermal layer produces a color change and so fonts or graphics.
  • the advantages of thermal labeling are, above all, the low noise level and the high printing speed when displaying graphics of any design.
  • thermal lettering Disadvantages of thermal lettering are the low light fastness and the chemical sensitivity of the fonts generated.
  • a protective layer In order to improve the resistance of the thermal inscription to chemical influences, in particular to water, oil, plasticizers and organic solvents, it is known to apply a protective layer to the thermal layer.
  • this protective layer consists of polyvinyl alcohol, which is also mostly used as a binder for the thermoreactive substances when the thermal layer is applied.
  • DE-A-33 12716 describes a method in which a protective layer is formed over a thermal layer and has been cured with an electron beam.
  • JP-A-56 67 293 is also mentioned in the publication mentioned.
  • a comparative example No. 6 is described in DE-A-3312 716, in which a UV varnish was applied as a protective layer to a heat-sensitive recording paper. This UV varnish was irradiated for 10 seconds using an 80 W high-pressure mercury lamp and thereby cured. Color images were produced on the thermal paper thus produced using a test device with a temperature of 130 ° C. and an exposure time of 10 seconds. These color images had an initial image density of 1.15 and a background density of 0.20.
  • the invention was based on the object, a as a ticket, ID card or the like. to create usable material, i.e. a card, the optical coding of which is separated from the production in terms of time and place.
  • the optical coding should be resistant to chemical stresses and have excellent light fastness.
  • the material should be able to be used in a coding device which is designed to be as simple and maintenance-free as possible due to a possibly exposed installation location.
  • the invention is based on the consideration that the expected properties of the optical coding can only be achieved if a protective layer is formed over the thermal layer.
  • a protective layer is formed over the thermal layer.
  • the thermal layer is heated through the protective layer, i.e. that the ticket is already inserted into the coding device as a finished blank and optically coded.
  • a UV lacquer is eminently suitable for forming a protective layer with 3-8 g / m 2 if, when it is applied, the UV lacquer is prevented from penetrating into the thermal layer and so their color-forming ability is impaired. This is achieved by a method according to claim 4. The curing immediately following the application within fractions of a second also prevents premature discoloration of the thermal layer, since the thermal layer is protected by its thermal inertia of the base body.
  • an optically coded ticket produced in this way has practically 100% resistance to water, plasticizers, oils, fats, solvents and the like.
  • the light fastness is also significantly improved.
  • the protective layer consists of at least two thin films. This allows the film adjacent to the thermal layer to be optimized in terms of good adhesion and chemical compatibility with the thermal layer, while the film facing the surface to be labeled or the thermal printer is optimized in terms of chemical resistance, heat resistance and the other properties caused by the thermal printer can.
  • the outer film of the protective layer contains a lubricant.
  • a silicone oil or a silicone resin is particularly suitable in an amount of 1-10% of the film weight.
  • the basic body of the ticket is a plastic film, so that the thermal layer is also protected against chemical stress from the back.
  • the film adjacent to the thermal layer in a viscous or pasty form in order to prevent penetration into the thermal layer, the optimal ability of the thermal layer to form color is obtained.
  • the second film of the protective layer can now be applied as a low-viscosity UV varnish mixed with a silicone oil or a silicone resin as a lubricant for the thermal printer.
  • the barrier effect of the first film prevents the thermal layer from being impaired in particular by the silicone oil or silicone resin.
  • this manufacturing process enables the ticket to be printed safely by applying the printing inks between the first and the second film of the protective layer.
  • the ticket is protected against the thermal layer being adversely affected by the printing inks.
  • the second film of the protective layer is only applied selectively to parts of the surface.
  • the optically encodable material uses a homogeneous PVC film as the base body 1.
  • Other materials can also be used for this, for example films made of polyester, polyethylene or tear-resistant or synthetic papers.
  • the thermal layer 3 On one side of this base body, which was applied in a coating process with subsequent air drying.
  • the thermal layer usually consists of a waterproof binder, in which thermoreactive substances are embedded.
  • a protective layer is applied to the thermal layer 3.
  • This protective layer consists of two thin films 4 and 5.
  • the film 4 lying directly on the thermal layer is advantageously applied over the entire area with an offset printing machine in indirect letterpress printing and cured by UV radiation. Since the time between application and curing is relatively short (fractions of a second), there is practically no impairment of the thermal layer.
  • the UV varnish is applied in a viscous or pasty form in order to prevent penetration into the thermal layer.
  • the order quantities are advantageously between one and five grams per square meter.
  • a second film 5 is then applied to this first film 4 of the protective layer, which in turn consists of a UV lacquer.
  • This varnish for the second film 5 contains 1% to 5% silicone oil or silicone resin in order to achieve a water-repellent effect and to improve the sliding properties of the thermal print head.
  • the second film 5 of the protective layer can be selectively applied to the surface, for example with a ballpoint pen, pencil or the like. to create writable surfaces by not coating these surfaces with the second film 5.
  • the UV varnishes are usually applied transparently. However, transparent coloring is also possible.
  • the printing inks are applied between the first film 4 and the second film 5 of the protective layer.
  • a ticket designed in this way can be easily labeled or labeled using conventional thermal printers.
  • the thermally generated lettering is very durable and insensitive to oils, greases and solvents (e.g. alcohol or acetone).
  • the light fastness is also significantly improved.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Credit Cards Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Printing Methods (AREA)

Claims (6)

1. Ticket formant une surface d'une certaine étendue, pouvant être codé optiquement et constitué par un corps de base, qui est une feuille de matière plastique, notamment une feuille de chlorure de polyvinyle et qui est pourvu d'au moins sur une face d'une couche thermosensible et d'une couche protectrice recouvrant la couche thermosensible, le ticket pouvant être codé optiquement grâce au fait que la couche thermosensible peut être chauffée pendant un bref intervalle au moyen d'une imprimante thermique à travers la couche de protection et qu'il est ainsi possible d'obtenir un virage de couleur, et la couche de protection étant formée par une laque sensible aux ultraviolets (polymère acrylique 4, 5), durcie par irradition aux ultraviolets, et ayant un poids par unité de surface de 3 à 8 g/m2.
2. Ticket selon la revendication 1, caractérisé en ce que la couche protectrice se compose d'au moins deux pellicules minces (4, 5).
3. Ticket selon la revendication 1 ou 2, caractérisé en ce qu'une pellicule extérieure (5) de la couche de protection contient un agent antifriction, de préférence une huile au silicone ou une résine au silicone en une quantité comprise entre 1 % et 10 % du poids de la pellicule.
4. Procédé pour fabriquer un ticket pouvant être codé optiquement, se composant d'un corps de base, qui est pourvu au moins sur une face d'une couche thermosensible et d'une couche de protection recouvrant la couche thermosensible, le ticket pouvant être codé optiquement grâce au fait que la couche thermosensible peut être chauffée pendant un bref intervalle au moyen d'une imprimante thermique à travers la couche de protection et qu'il est ainsi possible d'obtenir un virage de couleur, et la couche de protection étant formée par une laque sensible aux ultraviolets ( polymère acrylique 4, 5 ) durcie par irradiation aux ultraviolets, procédé dans lequel la laque sensible aux ultraviolets est déposée sous une forme pâteuse ou visqueuse dans un processus d'impression en relief, notamment par impression tipographique directe ou indirecte, avec un poids de dépôt de 1 à 5 g/m2, sur la couche thermosensible fixée au moyen d'un liant hydrofuge et est ensuite durcie directement en quelques fractions de secondes par irradiation aux ultraviolets.
5. Procédé selon la revendication 4, caractérisé en ce qu'une première pellicule est déposée sous la forme d'une laque sensible aux ultraviolets et pâteuse, de préférence avec un poids par unité de surface de 1 à 3 g/m2, et en ce qu'une seconde pellicule est déposée sous la forme d'une laque sensible aux ultraviolets et mélangée à un agent antifriction, de préférence avec un poids par unité de surface de 2 à 5 g/m2.
6. Procédé selon la revendication 5, caractérisé en ce que la seconde pellicule est déposée seulement sélectivement sur des parties de la surface.
EP85901291A 1984-04-16 1985-04-16 Ticket formant une surface et codable optiquement Expired - Lifetime EP0213122B2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT1260/84 1984-04-16
AT126084 1984-04-16
AT3228/84 1984-10-11
AT322884A AT397636B (de) 1984-10-11 1984-10-11 Thermisch beschriftbares material

Publications (3)

Publication Number Publication Date
EP0213122A1 EP0213122A1 (fr) 1987-03-11
EP0213122B1 EP0213122B1 (fr) 1988-03-09
EP0213122B2 true EP0213122B2 (fr) 1992-06-17

Family

ID=25595342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85901291A Expired - Lifetime EP0213122B2 (fr) 1984-04-16 1985-04-16 Ticket formant une surface et codable optiquement

Country Status (4)

Country Link
EP (1) EP0213122B2 (fr)
AT (1) ATE32850T1 (fr)
DE (1) DE3561792D1 (fr)
WO (1) WO1985004842A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2084988A1 (fr) * 1991-05-06 1992-11-07 Edward P. Lindholm Support d'imagerie a couche d'elimination de bulles
DE10341168A1 (de) 2003-09-06 2005-04-07 Mitsubishi Hitec Paper Flensburg Gmbh Wärmeempfindliches Aufzeichnungsmaterial und seine Verwendung
US9024986B2 (en) * 2006-03-07 2015-05-05 Ncr Corporation Dual-sided thermal pharmacy script printing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436506B2 (fr) † 1972-06-06 1979-11-09
JPS5835478B2 (ja) † 1977-06-10 1983-08-02 本州製紙株式会社 感熱記録体
JPS59103793A (ja) † 1982-08-18 1984-06-15 Toa Paint Kk 紫外線硬化性下塗塗料を利用する複層塗膜の形成法
JPS60162688A (ja) † 1984-02-04 1985-08-24 Dainippon Printing Co Ltd 被熱転写シ−トおよびその製造法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484204A (en) * 1982-04-10 1984-11-20 Kanzaki Paper Manufacturing Co., Ltd. Heat-sensitive record material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436506B2 (fr) † 1972-06-06 1979-11-09
JPS5835478B2 (ja) † 1977-06-10 1983-08-02 本州製紙株式会社 感熱記録体
JPS59103793A (ja) † 1982-08-18 1984-06-15 Toa Paint Kk 紫外線硬化性下塗塗料を利用する複層塗膜の形成法
JPS60162688A (ja) † 1984-02-04 1985-08-24 Dainippon Printing Co Ltd 被熱転写シ−トおよびその製造法

Also Published As

Publication number Publication date
EP0213122A1 (fr) 1987-03-11
DE3561792D1 (en) 1988-04-14
ATE32850T1 (de) 1988-03-15
WO1985004842A1 (fr) 1985-11-07
EP0213122B1 (fr) 1988-03-09

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