EP0367520A3 - Geräte zur Herstellung von Wasserzeichen im Papier - Google Patents

Geräte zur Herstellung von Wasserzeichen im Papier Download PDF

Info

Publication number
EP0367520A3
EP0367520A3 EP19890311148 EP89311148A EP0367520A3 EP 0367520 A3 EP0367520 A3 EP 0367520A3 EP 19890311148 EP19890311148 EP 19890311148 EP 89311148 A EP89311148 A EP 89311148A EP 0367520 A3 EP0367520 A3 EP 0367520A3
Authority
EP
European Patent Office
Prior art keywords
paper
web
engagement
forming watermarks
watermarks
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.)
Withdrawn
Application number
EP19890311148
Other languages
English (en)
French (fr)
Other versions
EP0367520A2 (de
Inventor
Bronislaw Radvan
David Robert Allen
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.)
Wiggins Teape Group Ltd
Original Assignee
Wiggins Teape Group 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 Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd
Publication of EP0367520A2 publication Critical patent/EP0367520A2/de
Publication of EP0367520A3 publication Critical patent/EP0367520A3/de
Withdrawn legal-status Critical Current

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

Landscapes

  • Paper (AREA)
EP19890311148 1988-11-03 1989-10-27 Geräte zur Herstellung von Wasserzeichen im Papier Withdrawn EP0367520A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888825791A GB8825791D0 (en) 1988-11-03 1988-11-03 Improvements in apparatus for forming watermarks in paper
GB8825791 1988-11-03

Publications (2)

Publication Number Publication Date
EP0367520A2 EP0367520A2 (de) 1990-05-09
EP0367520A3 true EP0367520A3 (de) 1991-08-14

Family

ID=10646282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890311148 Withdrawn EP0367520A3 (de) 1988-11-03 1989-10-27 Geräte zur Herstellung von Wasserzeichen im Papier

Country Status (5)

Country Link
EP (1) EP0367520A3 (de)
JP (1) JPH02169791A (de)
CA (1) CA2002118A1 (de)
FI (1) FI895204A0 (de)
GB (1) GB8825791D0 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2260772B (en) * 1991-10-25 1995-05-10 Portals Ltd Method for making sheet materials and security paper
NL1006151C2 (nl) * 1997-05-29 1998-12-01 Rudico Holding B V Watermerkzeef en werkwijze voor het vervaardigen van een watermerkzeef.
US6478927B1 (en) 2000-08-17 2002-11-12 Kimberly-Clark Worldwide, Inc. Method of forming a tissue with surfaces having elevated regions
US6464829B1 (en) 2000-08-17 2002-10-15 Kimberly-Clark Worldwide, Inc. Tissue with surfaces having elevated regions
DE10145782A1 (de) 2001-09-17 2003-04-10 Giesecke & Devrient Gmbh Papiersieb zur Erzeugung zweistufiger Wasserzeichen und Verfahren zu dessen Herstellung
DE102005032815A1 (de) 2005-07-12 2007-01-18 Giesecke & Devrient Gmbh Verfahren zur Herstellung eines Sicherheitspapiers, Papiersieb und Formelement für Papiersieb
GB2437939B (en) * 2006-05-08 2008-03-26 Rue De Int Ltd Improvements in security substrates
GB2501972B (en) 2012-03-19 2014-04-09 Rue De Int Ltd Electrotype comprising mesh and image forming element for use in paper making
GB2532081B (en) * 2014-11-10 2017-09-13 De La Rue Int Ltd Improvements in watermarking
GB2532084B (en) * 2014-11-10 2017-09-06 De La Rue Int Ltd Improvments in watermarking
JP6876215B2 (ja) * 2017-03-06 2021-05-26 デュプロ精工株式会社 シート形成装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1575518A (en) * 1925-11-20 1926-03-02 Eastern Mfg Company Process of watermarking paper and adjunct therefor
US1616222A (en) * 1922-05-18 1927-02-01 American Writing Paper Company Fourdrinier-wire screen
DE620953C (de) * 1934-05-18 1935-10-30 Wilma Dorothea Schumacher Verfahren zur Herstellung von mit Wasserzeichen versehenem Sicherheitspapier
CH244613A (de) * 1945-05-25 1946-09-30 Reinhardt Erwin Einrichtung an Papiermaschinen zur Herstellung von in der Durchsicht durch das Papier gegenüber demselben dunkler erscheinenden Wasserzeichen.
DE2007455A1 (de) * 1969-02-19 1970-09-10 Trefimetaux GP, Paris Walze für die Papierherstellung
GB1220070A (en) * 1967-03-16 1971-01-20 Hokkai Seishi Kabushiki Kaisha A device for continuous manufacture of patterned paper
GB1447933A (en) * 1974-05-28 1976-09-02 Portals Ltd Manufacture of watermarked paper
GB2149827A (en) * 1983-11-17 1985-06-19 Mead Corp Dandy roll for manufacturing paper having simulated oxford cloth watermark

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1616222A (en) * 1922-05-18 1927-02-01 American Writing Paper Company Fourdrinier-wire screen
US1575518A (en) * 1925-11-20 1926-03-02 Eastern Mfg Company Process of watermarking paper and adjunct therefor
DE620953C (de) * 1934-05-18 1935-10-30 Wilma Dorothea Schumacher Verfahren zur Herstellung von mit Wasserzeichen versehenem Sicherheitspapier
CH244613A (de) * 1945-05-25 1946-09-30 Reinhardt Erwin Einrichtung an Papiermaschinen zur Herstellung von in der Durchsicht durch das Papier gegenüber demselben dunkler erscheinenden Wasserzeichen.
GB1220070A (en) * 1967-03-16 1971-01-20 Hokkai Seishi Kabushiki Kaisha A device for continuous manufacture of patterned paper
DE2007455A1 (de) * 1969-02-19 1970-09-10 Trefimetaux GP, Paris Walze für die Papierherstellung
GB1447933A (en) * 1974-05-28 1976-09-02 Portals Ltd Manufacture of watermarked paper
GB2149827A (en) * 1983-11-17 1985-06-19 Mead Corp Dandy roll for manufacturing paper having simulated oxford cloth watermark

Also Published As

Publication number Publication date
EP0367520A2 (de) 1990-05-09
FI895204A0 (fi) 1989-11-01
GB8825791D0 (en) 1988-12-07
CA2002118A1 (en) 1990-05-03
JPH02169791A (ja) 1990-06-29

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