EP1201821B1 - Bedruckbare wassergezeichnete Papiere - Google Patents

Bedruckbare wassergezeichnete Papiere Download PDF

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Publication number
EP1201821B1
EP1201821B1 EP01125274A EP01125274A EP1201821B1 EP 1201821 B1 EP1201821 B1 EP 1201821B1 EP 01125274 A EP01125274 A EP 01125274A EP 01125274 A EP01125274 A EP 01125274A EP 1201821 B1 EP1201821 B1 EP 1201821B1
Authority
EP
European Patent Office
Prior art keywords
paper
approximately
watermark
watermarked
thickness
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
EP01125274A
Other languages
English (en)
French (fr)
Other versions
EP1201821A1 (de
Inventor
Gilberti Ferruccio
Giorgio Monacelli
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.)
Gruppo Cordenons SpA
Original Assignee
Gruppo Cordenons SpA
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
Application filed by Gruppo Cordenons SpA filed Critical Gruppo Cordenons SpA
Publication of EP1201821A1 publication Critical patent/EP1201821A1/de
Application granted granted Critical
Publication of EP1201821B1 publication Critical patent/EP1201821B1/de
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
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/10—Watermarks
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/72—Coated paper characterised by the paper substrate
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper

Definitions

  • the present invention relates to high-quality-printable watermarked paper materials.
  • EP-A-0773527 discloses an adhesive label comprising a base paper, incorporating a watermark, and an adhesive layer applied to a flat surface of the base paper opposite the watermark.
  • a high-quality-printable watermarked paper material as defined in claim 1
  • a method for producing said high-quality printable watermarked paper material as defined in claim 4.
  • the watermark is of a marking depth ranging between approximately 10% and approximately 30% of the total thickness of the watermarked paper, and the watermarked paper is of a thickness ranging between approximately 0.05 mm and approximately 1 m, and preferably ranging between approximately 0.1 mm and approximately 0.5 mm.
  • a watermarked paper which is not only impressed with the watermark on only one surface - while the opposite surface is flat, may therefore be coated, and permits high-quality print - but which at the same time is much lighter (for a given thickness) than currently available types of paper, and has a clearer, better impressed watermark.
  • the watermarked paper according to the invention has, for a given thickness, a much lower grammage and is therefore much lighter.
  • Known types of paper (obtained by calendering) of the same thickness as the watermarked paper according to the invention have a much higher grammage, and the depth of the watermark, as a result in fact of the calendering process, is normally less than 10% of the total thickness of the paper (and therefore poorly defined and totally unsatisfactory for most applications).
  • a watermarked paper 1 permitting high-quality print, has two opposite, parallel, facing surfaces 2 and 3; surface 2 is impressed with a watermark 4 of predetermined pattern or design and shown schematically by a number of incisions or depressions 5 impressed on surface 2 and defining the markings; while surface 3 is flat and has no marking, as can be seen when held up to grazing light.
  • Watermarked paper 1 has a grammage ranging between 70 and 200 g/m 2 , and may vary in thickness S1 (depending also on the composition of the watermarked paper): purely by way of example, watermarked paper has been produced with the above grammage and ranging in thickness S1 between 0.05 and 1 mm (50-1000 ⁇ m). The preferred thickness S1 ranges between 0.1 and 0.5 mm (100-500 ⁇ m).
  • watermark 4 is of a marking depth S2 - defined as the depth of incisions or depressions 5 (i.e. of the markings) - of over approximately 10% of thickness S1 of watermarked paper 1.
  • the watermark is at least 10 ⁇ m deep, so that, at the markings, the thickness of the watermarked paper is reduced to 90 ⁇ m.
  • marking depth S2 ranges between approximately 10% and approximately 30% of thickness S1.
  • flat surface 3 is a coated surface, i.e. having a coating 6 of any known type. Since surface 3 has no markings, coating 6 may be applied easily and is in turn flat, homogeneous, and uniform, thus permitting high-quality print using any known printing process.
  • Watermarked paper 1 thus constitutes a base paper from which to obtain, when coated, a watermarked, coated paper material 10 in sheet form permitting high-quality print and characterized by the presence of base paper 1 described above.
  • Watermarked paper 1 and paper material 10 can be produced using substantially known methods, but with certain provisions by which to impart to the watermarked paper and paper material the surprising characteristics described and claimed herein. More specifically, and as shown schematically in Figure 3 , a web 11 of paper, produced in conventional manner and supported on a canvas belt 12, is fed to a watermarking unit 13 comprising a marking roller 14 bearing the watermark pattern to be impressed on the paper; a water tank 15 underneath marking roller 14; and two supporting rollers 16. Marking roller 14 exerts a predetermined pressure on the top surface of web 11, at a contact line 17; and the two supporting rollers 16 are located beneath canvas belt 12, inside water tank 15 and on opposite sides of contact line 17.
  • a watermarked paper has surprisingly been obtained having markings only on one surface, while the opposite surface remains flat.
  • the flat surface of the watermarked paper is coated using any known method, and then printed using any known printing process.

Landscapes

  • Paper (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Duplication Or Marking (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Claims (4)

  1. Hochwertig bedruckbares, mit einem Wasserzeichen versehenes Papiermaterial (10), umfassend ein Basispapier (1), welches ein Flächengewicht in einem Bereich zwischen 70 und 200 g/m2 und eine erste Oberfläche (2) aufweist, weicher ein Wasserzeichen (4) aufgeprägt ist, welches eine Markierungstiefe (S2) von über 10 % der Dicke (S1) des Basispapiers (1) aufweist, und eine zweite Oberfläche (3), welche der ersten Oberfläche (2) gegenüberliegt und welche eben ist; wobei das Papiermaterial dadurch gekennzeichnet ist, dass die zweite Oberfläche (3) eine beschichtete Oberfläche ist, welche eine bedruckbare Beschichtung (6) aufweist, welche eben, homogen, gleichmäßig ist und hochwertigen Druck ermöglicht.
  2. Papiermaterial nach Anspruch 1, dadurch gekennzeichnet, dass das Wasserzeichen (4) eine Markierungstiefe (S2) aufweist, welche in einem Bereich zwischen 10 % und ungefähr 30 % der Dicke (S1) des Basispapiers (1) liegt.
  3. Papiermaterial nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Basispapier (1), ohne die Beschichtung (6), eine Dicke (S1) aufweist, welche in einem Bereich zwischen ungefähr 0,05 mm und ungefähr 1 mm liegt und welche vorzugsweise in einem Bereich zwischen ungefähr 0,1 mm und ungefähr 0,5 mm liegt.
  4. Verfahren zum Herstellen eines hochwertig bedruckbaren, mit einem Wasserzeichen versehenen Papiermaterials (10) nach einem der voranstehenden Ansprüche, wobei das Verfahren einen Schritt des Versehens mit einem Wasserzeichen umfasst, bei welchem eine Bahn (11) aus Papier einer Markierwalze (14) zugeführt wird, welche ein Wasserzeichenmuster trägt, welches auf das Papier aufgeprägt werden soll, und wobei die Markierwalze (14) einen Druck auf eine obere Oberfläche der Bahn (11) an einer Berührungslinie (17) ausübt; wobei das Verfahren dadurch gekennzeichnet ist, dass die Bahn (11) während des Schritts des Versehens mit einem Wasserzeichen auf einem Gewebeband (12) und zwischen zwei Halterollen (16) gehalten ist, welche unter dem Gewebeband (12) und auf einander gegenüberliegenden Seiten der Berührungslinie (17) angeordnet sind, so dass die Bahn nur auf der oberen Oberfläche Markierungszeichen aufweist, während die gegenüberliegende Oberfläche eben bleibt; wobei das Verfahren ferner einen Beschichtungsschritt der ebenen Oberfläche mit einer bedruckbaren Beschichtung (6) umfasst, welche eben, homogen, gleichmäßig ist und einen hochwertigen Druck ermöglicht.
EP01125274A 2000-10-25 2001-10-24 Bedruckbare wassergezeichnete Papiere Expired - Lifetime EP1201821B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000MI002310A IT1320079B1 (it) 2000-10-25 2000-10-25 Materiali cartacei filigranati stampabili con elevata qualita' distampa.
ITMI002310 2000-10-25

Publications (2)

Publication Number Publication Date
EP1201821A1 EP1201821A1 (de) 2002-05-02
EP1201821B1 true EP1201821B1 (de) 2008-04-09

Family

ID=11446035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01125274A Expired - Lifetime EP1201821B1 (de) 2000-10-25 2001-10-24 Bedruckbare wassergezeichnete Papiere

Country Status (5)

Country Link
EP (1) EP1201821B1 (de)
AT (1) ATE391810T1 (de)
DE (1) DE60133523T2 (de)
ES (1) ES2305022T3 (de)
IT (1) IT1320079B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008063471A1 (de) 2008-12-17 2010-07-01 Giesecke & Devrient Gmbh Sicherheitselement mit Wasserzeichen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02191798A (ja) * 1989-01-19 1990-07-27 Ookurashiyou Insatsu Kyokucho すき入れ紙
FR2687417A1 (fr) * 1992-02-13 1993-08-20 Arjo Wiggins Sa Feuille imprimable infalsifiable par procedes mecaniques.
CA2134199A1 (en) * 1992-04-24 1993-11-11 Graham D. Whitehead Apparatus and method of making an authenticated web formed of fibrous material
FR2698108B1 (fr) * 1992-11-17 1994-12-23 Arjo Wiggins Sa Feuille de sécurité, utilisable notamment comme page de garde de passeport.
GB2283026B (en) * 1993-09-30 1997-01-08 Portals Ltd Improvement in security features for paper
GB2306938B (en) * 1995-11-09 1997-12-24 Portals Watermarked label
GB9906452D0 (en) * 1999-03-19 1999-05-12 Rue De Int Ltd Security sheet and method
FR2804447B1 (fr) * 2000-02-01 2002-04-05 Arjo Wiggins Sa Papier comportant un filigrane a effet multiton et toile pour fabriquer ce papier

Also Published As

Publication number Publication date
IT1320079B1 (it) 2003-11-18
ES2305022T3 (es) 2008-11-01
ATE391810T1 (de) 2008-04-15
DE60133523T2 (de) 2008-11-06
ITMI20002310A1 (it) 2002-04-25
DE60133523D1 (de) 2008-05-21
EP1201821A1 (de) 2002-05-02

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