PL1937893T3 - Dewatering filter and method for the production thereof - Google Patents

Dewatering filter and method for the production thereof

Info

Publication number
PL1937893T3
PL1937893T3 PL06776829T PL06776829T PL1937893T3 PL 1937893 T3 PL1937893 T3 PL 1937893T3 PL 06776829 T PL06776829 T PL 06776829T PL 06776829 T PL06776829 T PL 06776829T PL 1937893 T3 PL1937893 T3 PL 1937893T3
Authority
PL
Poland
Prior art keywords
filter
production
dewatering filter
dewatering
watermark
Prior art date
Application number
PL06776829T
Other languages
Polish (pl)
Inventor
Bernd Stumbeck
André Gregarek
Andreas Hänelt
Thomas Gerhardt
Karlheinz Mayer
Original Assignee
Giesecke & Devrient Currency Technology 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
Application filed by Giesecke & Devrient Currency Technology Gmbh filed Critical Giesecke & Devrient Currency Technology Gmbh
Publication of PL1937893T3 publication Critical patent/PL1937893T3/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
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0036—Multi-layer screen-cloths
    • 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

Landscapes

  • Paper (AREA)
  • Filtering Materials (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Water Treatment By Sorption (AREA)
  • Centrifugal Separators (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fertilizers (AREA)

Abstract

The invention relates to a dewatering filter (20) for producing paper comprising multi-layered watermarks, said dewatering filter comprising a support filter (22) and perforated watermark sheet metal (24) which is connected to said support filter (22), wherein the support filter (22) and the watermark sheet metal (24) are embossed together in the form of the watermark which is to be produced.
PL06776829T 2005-09-06 2006-08-14 Dewatering filter and method for the production thereof PL1937893T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005042344A DE102005042344A1 (en) 2005-09-06 2005-09-06 Drainage screen and process for its production
EP06776829A EP1937893B1 (en) 2005-09-06 2006-08-14 Dewatering filter and method for the production thereof
PCT/EP2006/008017 WO2007028485A2 (en) 2005-09-06 2006-08-14 Dewatering filter and method for the production thereof

Publications (1)

Publication Number Publication Date
PL1937893T3 true PL1937893T3 (en) 2011-04-29

Family

ID=37735593

Family Applications (1)

Application Number Title Priority Date Filing Date
PL06776829T PL1937893T3 (en) 2005-09-06 2006-08-14 Dewatering filter and method for the production thereof

Country Status (7)

Country Link
EP (1) EP1937893B1 (en)
AT (1) ATE486998T1 (en)
DE (2) DE102005042344A1 (en)
ES (1) ES2353817T3 (en)
PL (1) PL1937893T3 (en)
SI (1) SI1937893T1 (en)
WO (1) WO2007028485A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008024401B3 (en) * 2008-05-20 2010-01-07 Hans Grossmann Drainage screen for a suction roll of a paper machine
FR2957943B1 (en) 2010-03-24 2021-11-05 Arjowiggins Security WATERMARK, METHODS FOR MANUFACTURING A PART FOR THE FORMATION OF A WATERMARK AND PART OBTAINED ACCORDING TO THIS PROCEDURE
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
DE102012024774A1 (en) * 2012-12-18 2014-06-18 Giesecke & Devrient Gmbh Drainage screen for papermaking
PL2828432T5 (en) * 2012-03-19 2023-01-09 Portals Paper Limited Electrotype for forming an image during a paper making process
DE102013021179A1 (en) * 2013-12-17 2015-06-18 Giesecke & Devrient Gmbh Drainage screen and process for its production
CH709680A1 (en) 2014-05-21 2015-11-30 Landqart Ag Dewatering screen for manufacturing paper with at least one watermark and therefore made paper with a watermark.
GB2556964B (en) * 2014-11-10 2018-12-12 Portals De La Rue Ltd Improvements in watermarking
EP3585939B1 (en) * 2017-02-27 2023-12-20 Crane & Co., Inc. Paper including one or more multi-tonal watermarks having full tonality, and an improved watermarking tool for manufacturing such paper
WO2019033889A1 (en) * 2017-08-17 2019-02-21 保定钞票纸业有限公司 Paper preparation method capable of controlling watermark brightness and paper product with high-brightness watermark

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2804447B1 (en) * 2000-02-01 2002-04-05 Arjo Wiggins Sa PAPER COMPRISING A MULTI-TONING FILIGRANE AND CANVAS FOR MANUFACTURING THIS PAPER
DE10064006A1 (en) * 2000-12-21 2002-07-04 Giesecke & Devrient Gmbh Watermark mold, for fitting at the fourdrinier of a papermaking machine, is of a shape memory metal alloy at least at the holding tabs, to be inserted at one temperature and anchored by shape distortion at a second temperature
DE10145782A1 (en) * 2001-09-17 2003-04-10 Giesecke & Devrient Gmbh Paper screen for the production of two-stage watermarks and process for its production

Also Published As

Publication number Publication date
WO2007028485A3 (en) 2007-05-31
DE102005042344A1 (en) 2007-03-08
DE502006008248D1 (en) 2010-12-16
WO2007028485A2 (en) 2007-03-15
EP1937893B1 (en) 2010-11-03
ES2353817T3 (en) 2011-03-07
ATE486998T1 (en) 2010-11-15
EP1937893A2 (en) 2008-07-02
WO2007028485A8 (en) 2010-07-29
SI1937893T1 (en) 2011-02-28

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