MA39262A - SECURITY PAPER WITH WATERMARKS - Google Patents

SECURITY PAPER WITH WATERMARKS

Info

Publication number
MA39262A
MA39262A MA039262A MA39262A MA39262A MA 39262 A MA39262 A MA 39262A MA 039262 A MA039262 A MA 039262A MA 39262 A MA39262 A MA 39262A MA 39262 A MA39262 A MA 39262A
Authority
MA
Morocco
Prior art keywords
watermark
screen
watermarks
paper
security paper
Prior art date
Application number
MA039262A
Other languages
French (fr)
Inventor
Rolf Giger
Susanne Kammerer
Christoph Kocher
Original Assignee
Landqart Ag
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 Landqart Ag filed Critical Landqart Ag
Publication of MA39262A publication Critical patent/MA39262A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/44—Watermarking devices
    • 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

Landscapes

  • Paper (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)

Abstract

<!--startfragment-->un écran de déshydratation (1) est décrit pour la production de papier avec au moins un filigrane, l'écran de déshydratation (1) comprenant un treillis métallique disposé à l'extérieur de la zone du filigrane à une première hauteur (6) et dans la zone du filigrane. Des moyens sont disposés pour générer le filigrane. L'écran est caractérisé en ce que les moyens sont formés en tant que zones discrètes sous la forme d'une pluralité de lignes et / ou de points représentant une image tramée du filigrane et les zones discrètes en tant que creux (2) dans le treillis métallique par rapport à la première hauteur (6). Sont. En outre, un papier ainsi produit est décrit et un procédé de fabrication. <!--endfragment--><! - startfragment -> a dewatering screen (1) is described for the production of paper with at least one watermark, the dewatering screen (1) comprising a metal mesh arranged outside the area of the watermark at a first height (6) and in the area of the watermark. Means are provided for generating the watermark. The screen is characterized in that the means are formed as discrete areas in the form of a plurality of lines and / or dots representing a raster image of the watermark and the discrete areas as pits (2) in the screen. wire mesh relative to the first height (6). Are. Further, a paper thus produced is described and a method of manufacture. <! - endfragment ->

MA039262A 2014-05-21 2015-05-18 SECURITY PAPER WITH WATERMARKS MA39262A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00775/14A CH709680A1 (en) 2014-05-21 2014-05-21 Dewatering screen for manufacturing paper with at least one watermark and therefore made paper with a watermark.

Publications (1)

Publication Number Publication Date
MA39262A true MA39262A (en) 2015-11-25

Family

ID=51986959

Family Applications (1)

Application Number Title Priority Date Filing Date
MA039262A MA39262A (en) 2014-05-21 2015-05-18 SECURITY PAPER WITH WATERMARKS

Country Status (6)

Country Link
EP (1) EP2947202B1 (en)
CH (1) CH709680A1 (en)
ES (1) ES2710231T3 (en)
HK (1) HK1217741A1 (en)
MA (1) MA39262A (en)
SI (1) SI2947202T1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3059682B1 (en) * 2016-12-02 2020-10-30 Arjowiggins Security METHOD FOR MANUFACTURING A WATERMARK PAPER

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0686719B2 (en) 1989-12-14 1994-11-02 特種製紙株式会社 Method for producing transparent paper
FR2684698B1 (en) 1991-12-09 1994-01-21 Arjo Wiggins Sa PROCESS FOR THE MANUFACTURE OF A PRODUCT COMPRISING LOCALIZED AREAS OF REDUCED OPACITY AND THE PAPER THUS OBTAINED.
FR2723971B1 (en) * 1994-08-24 1996-10-04 Arjo Wiggins Sa PROCESS FOR THE MANUFACTURE OF SECURITY PAPER COMPRISING LOCALIZED AREAS OF LOW OPACITY AND PAPER THUS OBTAINED
DE29714004U1 (en) 1997-08-06 1997-11-06 Beckenlehner, Karin, 93053 Regensburg Means for ink jet printing of artificial watermarks
FR2804447B1 (en) 2000-02-01 2002-04-05 Arjo Wiggins Sa PAPER COMPRISING A MULTI-TONING FILIGRANE AND CANVAS FOR MANUFACTURING THIS PAPER
ATE394243T1 (en) 2003-02-27 2008-05-15 Landqart MULTI-LAYER LAMINATE
DE102005042344A1 (en) 2005-09-06 2007-03-08 Giesecke & Devrient Gmbh Drainage screen and process for its production
RU2407648C1 (en) 2009-12-28 2010-12-27 Федеральное Государственное Унитарное Предприятие "Гознак" (Фгуп "Гознак") Counterfeit-proof paper including water signs with multitone effect, and mesh to produce this paper
DE102010017986A1 (en) * 2010-04-21 2011-10-27 Giesecke & Devrient Gmbh Manufacturing security paper, useful for security documents, comprises bonding a security thread with paper layers, conducting further plastic layer in molten state between paper layers, and pressing paper layers between a pair of rollers
IT1400463B1 (en) * 2010-05-06 2013-05-31 Cartiere Fedrigoni & C Spa PROCEDURE FOR THE REALIZATION OF A MILLING MACHINE, MILLING MACHINE AND PLANT FOR ITS ACHIEVEMENT
FR2963363B1 (en) * 2010-07-30 2014-12-26 Banque De France POROUS FABRIC FOR MANUFACTURING FILIGRANE PAPER, FILIGRANE PAPER AND PROCESS FOR PRODUCING SUCH FABRIC

Also Published As

Publication number Publication date
ES2710231T3 (en) 2019-04-23
EP2947202A1 (en) 2015-11-25
EP2947202B1 (en) 2018-12-19
HK1217741A1 (en) 2017-01-20
CH709680A1 (en) 2015-11-30
SI2947202T1 (en) 2019-04-30

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