EP2697423B1 - Perfectionnements apportes a la securite de documents ou s'y rapportant - Google Patents

Perfectionnements apportes a la securite de documents ou s'y rapportant Download PDF

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Publication number
EP2697423B1
EP2697423B1 EP12719792.9A EP12719792A EP2697423B1 EP 2697423 B1 EP2697423 B1 EP 2697423B1 EP 12719792 A EP12719792 A EP 12719792A EP 2697423 B1 EP2697423 B1 EP 2697423B1
Authority
EP
European Patent Office
Prior art keywords
paper
layer
watermark
paper substrate
cylinder mould
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.)
Active
Application number
EP12719792.9A
Other languages
German (de)
English (en)
Other versions
EP2697423A1 (fr
Inventor
Frederick James BOWDEN
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.)
Woollard And Henry Ltd
Original Assignee
Woollard And Henry Ltd
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 Woollard And Henry Ltd filed Critical Woollard And Henry Ltd
Priority to SI201230551A priority Critical patent/SI2697423T1/sl
Publication of EP2697423A1 publication Critical patent/EP2697423A1/fr
Application granted granted Critical
Publication of EP2697423B1 publication Critical patent/EP2697423B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D21F9/04—Complete machines for making continuous webs of paper of the cylinder type
    • D21F9/043—Complete machines for making continuous webs of paper of the cylinder type with immersed cylinder
    • 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
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/006—Making patterned paper

Claims (12)

  1. Une méthode de fabrication de papier comprenant les étapes consistant à former un filigrane dans une surface primaire d'un substrat en papier à couche unique (12) caractérisée par l'étape consistant à
    former un filigrane dans une surface secondaire de ladite couche.
  2. Une méthode selon la revendication 1, dans laquelle les filigranes sont formés dans les surfaces primaire et secondaire de la couche (12) du substrat en papier de manière simultanée.
  3. Une méthode selon n'importe lesquelles des revendications 1 ou 2, dans laquelle la surface secondaire est prévue sur le côté opposé de la couche unique (12) du papier à partir de la surface primaire.
  4. Une méthode selon n'importe lesquelles des revendications 1 à 3, dans laquelle la couche (12) du substrat en papier comprend un matelas de fibres.
  5. Une méthode selon la revendication 4, dans laquelle le matelas de fibres est formé à partir de papier avant transformation.
  6. Une méthode selon la revendication 5, dans laquelle le matelas de fibres est formé à l'aide d'un rouleau (3) tournant au sein d'une cuve (2) de papier avant transformation.
  7. Une méthode selon n'importe lesquelles des revendications précédentes, dans laquelle la couche (12) du substrat en papier est formée à l'aide d'une forme ronde expansible.
  8. Une méthode selon n'importe lesquelles des revendications précédentes, dans laquelle un filigrane est formé dans la surface secondaire de la couche (12) du substrat en papier en faisant passer la couche (12) par-dessus la surface d'un rouleau profilé (6).
  9. Une méthode selon la revendication 8, dans laquelle le filigrane est formé dans la surface secondaire de la couche (12) du substrat en papier en faisant passer la couche (12) par-dessus un cylindre formeur court.
  10. Une méthode selon la revendication 8, dans laquelle le filigrane est formé dans la surface secondaire de la couche (12) du substrat en papier en faisant passer la couche (12) par-dessus un rouleau « wading roll ».
  11. Une méthode selon n'importe lesquelles des revendications précédentes, dans laquelle le filigrane formé dans la surface secondaire de la couche du substrat en papier est changé en changeant le profil externe du rouleau profilé (6) par-dessus lequel la couche (12) de substrat en papier passe.
  12. Un billet de banque comprenant
    un filigrane dans une surface primaire d'un substrat en papier à couche unique caractérisé en ce
    le billet de banque comprend un filigrane dans une surface secondaire de ladite couche.
EP12719792.9A 2011-04-14 2012-04-16 Perfectionnements apportes a la securite de documents ou s'y rapportant Active EP2697423B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201230551A SI2697423T1 (sl) 2011-04-14 2012-04-16 Izboljšave pri ali v povezavi z varnostnimi dokumenti

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB201106347A GB201106347D0 (en) 2011-04-14 2011-04-14 Improvements in or relating to security of documents
PCT/GB2012/050833 WO2012140448A1 (fr) 2011-04-14 2012-04-16 Perfectionnements apportés à la sécurité de documents ou s'y rapportant

Publications (2)

Publication Number Publication Date
EP2697423A1 EP2697423A1 (fr) 2014-02-19
EP2697423B1 true EP2697423B1 (fr) 2016-03-16

Family

ID=44147025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12719792.9A Active EP2697423B1 (fr) 2011-04-14 2012-04-16 Perfectionnements apportes a la securite de documents ou s'y rapportant

Country Status (5)

Country Link
EP (1) EP2697423B1 (fr)
GB (1) GB201106347D0 (fr)
PL (1) PL2697423T3 (fr)
SI (1) SI2697423T1 (fr)
WO (1) WO2012140448A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6491487B2 (ja) * 2015-01-29 2019-03-27 特種東海製紙株式会社 抄紙装置
JP6445881B2 (ja) * 2015-01-29 2018-12-26 特種東海製紙株式会社 抄紙装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1571715A (en) * 1925-11-11 1926-02-02 Int Paper Co Method of and means for forming watermarks in paper
GB0514327D0 (en) * 2005-07-13 2005-08-17 Harris Colin A Producing security paper
FR2897078B1 (fr) * 2006-02-09 2011-08-19 Arjowiggins Materiau en feuille comportant au moins un filigrane avec une nuance coloree.

Also Published As

Publication number Publication date
WO2012140448A1 (fr) 2012-10-18
PL2697423T3 (pl) 2016-10-31
EP2697423A1 (fr) 2014-02-19
GB201106347D0 (en) 2011-06-01
SI2697423T1 (sl) 2016-07-29

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