EP0611664B1 - Matériau d'enregistrement en bande - Google Patents

Matériau d'enregistrement en bande Download PDF

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Publication number
EP0611664B1
EP0611664B1 EP94100255A EP94100255A EP0611664B1 EP 0611664 B1 EP0611664 B1 EP 0611664B1 EP 94100255 A EP94100255 A EP 94100255A EP 94100255 A EP94100255 A EP 94100255A EP 0611664 B1 EP0611664 B1 EP 0611664B1
Authority
EP
European Patent Office
Prior art keywords
paper
web
recording material
shaped recording
material according
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
EP94100255A
Other languages
German (de)
English (en)
Other versions
EP0611664A1 (fr
Inventor
Yukio Takayama
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.)
Kanzan Spezialpapiere GmbH
Original Assignee
Kanzan Spezialpapiere 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6480417&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0611664(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kanzan Spezialpapiere GmbH filed Critical Kanzan Spezialpapiere GmbH
Publication of EP0611664A1 publication Critical patent/EP0611664A1/fr
Application granted granted Critical
Publication of EP0611664B1 publication Critical patent/EP0611664B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/10—Watermarks
    • 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
    • B41M5/41—Base layers supports or substrates

Definitions

  • the invention relates to a web-shaped recording material according to claim 1.
  • thermo paper When transmitting, for example, long-distance copies via the public telephone network by the so-called fax method, the thermal recording method is used to an ever greater extent for the reproduction of the received long-distance copies.
  • a recording material called thermal paper which consists of a support with a coating of a thin, heat-sensitive layer. This layer contains two components that react with each other when exposed to heat.
  • Heat-sensitive recording materials of the type mentioned with a heat-sensitive recording layer applied to the surface of a carrier material have long been known, for example, for use in thermal fast printers. Paper, and in some cases also plastic film or composite, is usually used as the carrier material for receiving the heat-sensitive recording layer.
  • a particularly important criterion for thermosensitive paper is high surface smoothness.
  • This is produced mechanically, for example, by leading a paper that has been moistened to a certain extent through calendering calenders and thereby smoothing the surface to a high level.
  • the paper between the rollers is satinized under pneumatically or hydraulically generated high pressure.
  • the recording layer is generally made pure white.
  • the base material preferably a coating base paper, made from high-quality cellulose, is usually of a neutral white color. For this reason, quality characterization, for example, is neither possible for the manufacturer nor for the user, or cannot be carried out in a really satisfactory manner.
  • thermosensitive web material a method and a device for applying a marking to a thermosensitive web material is known and is referred to as a "pseudo watermark".
  • the method consists in that heat is applied to part of the thermosensitive surface of the paper, and the paper is thereby "semi-translucent", that is to say semi-translucent.
  • a polyethylene polymer is proposed as the heat-sensitive material.
  • the paper is placed discontinuously on an embossing stick or plate and, in the process, applied with a contact pressure of a predetermined force.
  • the known method disadvantageously leads to a considerable expenditure of time in production, as a result of which the production costs are considerably burdened.
  • the invention has for its object to incorporate a recognizable sign for quality characterization on thermal paper, which avoids the aforementioned difficulties and disadvantages and, if suitable for a quick, inexpensive and safe production, results in a clearly recognizable quality characterization sign without the optical contrasts of the thermal writing to be applied affect.
  • the invention proposes in the case of a web-shaped carrier material of the type mentioned at the outset that at least one watermark is formed in the carrier material.
  • a watermark is understood to mean a sign introduced by a structural change in a web-like material such as paper, which is visible when viewed in transmitted light. Such watermarks are created during the production of the web-shaped material, for example on the wire of the paper machine, by pressing a relief or hollow shape into the wet nonwoven fabric.
  • a high surface smoothness normally precludes the incorporation of a visible watermark, particularly in the case of comparatively thin or lightweight carrier material.
  • a heat-sensitive recording material according to claim 1 is specified for the first time, the support of which consists of a paper with watermarks.
  • the watermark incorporated into the backing paper can be given any shape in the design, for example simple lines, geometric shapes, names or symbols that characterize quality.
  • the water sifting can be incorporated with the known technologies on the paper machine screen, for example with the help of an erichu rs, a molette or as an artificial watermark in the form of an embossing. Further expedient training courses are provided in accordance with the subclaims.
  • the figure shows a web-shaped carrier material (1) for a thermosensitive recording layer with a surface of high smoothness or extremely low roughness, which has a coating with colorless reactants such as dye precursors which cause a color change reaction under the action of heat.
  • At least one watermark (2) is formed in the carrier material (1). It can be a character that is suitable as a recognition index, for example with the first letters of a company (2a), but it can also be a pure symbol character (2b).
  • the carrier material (1) is a machine-smoothed printing paper with a well-closed surface.
  • the paper has a mass per unit area of 40-250 g per m 2 , preferably 50-150 g / m 2 .
  • the paper may occasionally be of high whiteness or of comparatively less Be white and have a coloration that only slightly affects the shining through of light.
  • Such a web-shaped carrier material (1) is usually made from bleached, semi-bleached or unbleached cellulose. But it can also be made from waste paper.
  • the sheet-like carrier material (1) preferably has a surface smoothness which is 50-250 s in accordance with DIN 53 107 Gl (Bekk) A.
  • the color of the backing paper can be chosen regardless of the watermark. It is preferably neutral pure white, but can also have a lower whiteness when using waste paper.
  • carrier papers in the sense of the invention can also be used which are made from pulp containing wood pulp, semi-bleached or unbleached cellulose.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)

Claims (7)

  1. Matériau d'enregistrement en bande avec un support (1) en papier, présentant une marque et possédant un revêtement pourvu d'une combinaison de réactants incolores réagissant sous l'effet de la chaleur, caractérisé en ce que la marque est un filigrane (2) conçu comme signe de qualité et applicable sous le revêtement dans le support (1).
  2. Matériau d'enregistrement en bande selon la revendication 1, caractérisé en ce que le support (1) est constitué d'un papier lissé mécaniquement présentant une surface bien fermée.
  3. Matériau d'enregistrement en bande selon la revendication 1, caractérisé en ce que le papier présente un grammage de 40-250 g/m2 et de préférence de 50-150 g/m2.
  4. Matériau d'enregistrement en bande selon une ou plusieurs des revendications 1 à 3, caractérisé en ce que le papier est d'un blanc intense ou d'un blanc comparativement moins intense, selon le cas, et qu'il ne présente qu'une coloration légèrement gênante en transparence à la lumière.
  5. Matériau d'enregistrement en bande selon une ou plusieurs des revendications 1 à 4, caractérisé en ce que le papier est fait de cellulose blanchie, semi-blanchie ou non blanchie.
  6. Matériau d'enregistrement en bande selon une ou plusieurs des revendications 1 à 5, caractérisé en ce que le papier est fabriqué à partir de vieux papier recyclé.
  7. Matériau d'enregistrement en bande selon l'une des revendications précédentes, caractérisé en ce que le lissé du papier est de Gl (Bekk)A 50-250 s, conformément à la norme DIN 53 107.
EP94100255A 1993-02-13 1994-01-10 Matériau d'enregistrement en bande Expired - Lifetime EP0611664B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4304413A DE4304413A1 (de) 1993-02-13 1993-02-13 Bahnförmiges Trägermaterial für eine thermosensitive Aufzeichnungsschicht
DE4304413 1993-02-13

Publications (2)

Publication Number Publication Date
EP0611664A1 EP0611664A1 (fr) 1994-08-24
EP0611664B1 true EP0611664B1 (fr) 1997-10-22

Family

ID=6480417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94100255A Expired - Lifetime EP0611664B1 (fr) 1993-02-13 1994-01-10 Matériau d'enregistrement en bande

Country Status (6)

Country Link
EP (1) EP0611664B1 (fr)
AT (1) ATE159463T1 (fr)
DE (2) DE4304413A1 (fr)
DK (1) DK0611664T3 (fr)
ES (1) ES2110126T3 (fr)
GR (1) GR3025605T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10021896A1 (de) * 2000-05-05 2001-11-15 Mitsubishi Hitec Paper Flensbu Bahnförmiges Aufzeichnungsmaterial in lichtdurchlässiger Ausführung
WO2003033272A1 (fr) 2001-10-16 2003-04-24 Mitsubishi Hitec Paper Flensburg Gmbh Materiau d'enregistrement en forme de bande continue translucide, et son procede de fabrication
EP1925459A2 (fr) 2006-11-24 2008-05-28 Mitsubishi Hitec Paper Flensburg GmbH Matériel d'enregistrement sensible à la chaleur doté d'une marque d'authentification

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE656943A (fr) * 1960-12-27
ATE9561T1 (de) * 1979-10-22 1984-10-15 The Wiggins Teape Group Limited Blattfoermiges material, das mit einem unauffaelligen bild versehen ist, und verfahren zu seiner herstellung.
ATE68139T1 (de) * 1985-05-28 1991-10-15 Belmarque Systems Sa Verfahren und vorrichtung zur papiermarkierung und fuer diese methode verwendbares papier.
DE4037299C1 (en) * 1990-11-23 1991-12-19 Renker Gmbh & Co Kg, 5160 Dueren, De Heat sensitive recording material - has recording layer contg. colourless dye precursor and acid cpd., applied on recycled paper having specific fibre content
DE9302105U1 (de) * 1993-02-13 1993-04-08 Kanzan Spezialpapiere GmbH, 5160 Düren Bahnförmiges Trägermaterial für eine thermosensitive Aufzeichnungsschicht

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10021896A1 (de) * 2000-05-05 2001-11-15 Mitsubishi Hitec Paper Flensbu Bahnförmiges Aufzeichnungsmaterial in lichtdurchlässiger Ausführung
DE10021896C2 (de) * 2000-05-05 2002-04-25 Mitsubishi Hitec Paper Flensbu Bahnförmiges Aufzeichnungsmaterial in lichtdurchlässiger Ausführung und Verfahren zu seiner Herstellung
WO2003033272A1 (fr) 2001-10-16 2003-04-24 Mitsubishi Hitec Paper Flensburg Gmbh Materiau d'enregistrement en forme de bande continue translucide, et son procede de fabrication
US6995117B2 (en) 2001-10-16 2006-02-07 Mitsubishi Hitec Paper Flensburg Gmbh Translucent web-type recording material and a method for producing the same
EP1925459A2 (fr) 2006-11-24 2008-05-28 Mitsubishi Hitec Paper Flensburg GmbH Matériel d'enregistrement sensible à la chaleur doté d'une marque d'authentification

Also Published As

Publication number Publication date
ATE159463T1 (de) 1997-11-15
GR3025605T3 (en) 1998-03-31
EP0611664A1 (fr) 1994-08-24
ES2110126T3 (es) 1998-02-01
DK0611664T3 (da) 1998-05-18
DE59404373D1 (de) 1997-11-27
DE4304413A1 (de) 1994-08-18

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