DE69019737D1 - METHOD FOR PRODUCING PAPER WITH WATERMARK. - Google Patents

METHOD FOR PRODUCING PAPER WITH WATERMARK.

Info

Publication number
DE69019737D1
DE69019737D1 DE69019737T DE69019737T DE69019737D1 DE 69019737 D1 DE69019737 D1 DE 69019737D1 DE 69019737 T DE69019737 T DE 69019737T DE 69019737 T DE69019737 T DE 69019737T DE 69019737 D1 DE69019737 D1 DE 69019737D1
Authority
DE
Germany
Prior art keywords
watermark
producing paper
paper
producing
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
DE69019737T
Other languages
German (de)
Other versions
DE69019737T2 (en
Inventor
Kin-Ya - Hiyoshi
Takayuki - Fukuchi
Tadahiro - Iwasaki
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.)
Tokushu Paper Manufacturing Co Ltd
Original Assignee
Tokushu Paper Manufacturing Co 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18169427&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69019737(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tokushu Paper Manufacturing Co Ltd filed Critical Tokushu Paper Manufacturing Co Ltd
Application granted granted Critical
Publication of DE69019737D1 publication Critical patent/DE69019737D1/en
Publication of DE69019737T2 publication Critical patent/DE69019737T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • D21F1/46—Dandy rolls
    • 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
    • D21F1/60—Cylinder moulds
DE69019737T 1989-12-14 1990-12-10 METHOD FOR PRODUCING PAPER WITH WATERMARK. Expired - Lifetime DE69019737T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32476589A JPH0686719B2 (en) 1989-12-14 1989-12-14 Method for producing transparent paper
PCT/JP1990/001602 WO1991009172A1 (en) 1989-12-14 1990-12-10 Method of making watermarked paper

Publications (2)

Publication Number Publication Date
DE69019737D1 true DE69019737D1 (en) 1995-06-29
DE69019737T2 DE69019737T2 (en) 1996-02-08

Family

ID=18169427

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019737T Expired - Lifetime DE69019737T2 (en) 1989-12-14 1990-12-10 METHOD FOR PRODUCING PAPER WITH WATERMARK.

Country Status (4)

Country Link
EP (1) EP0458973B1 (en)
JP (1) JPH0686719B2 (en)
DE (1) DE69019737T2 (en)
WO (1) WO1991009172A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2769927B1 (en) * 1997-10-20 1999-12-24 Thibierge Et Comar PAPER COMPRISING A RELIEF PATTERN, ITS MANUFACTURING METHOD AND CANVAS FOR MANUFACTURING IT
DE102008024401B3 (en) * 2008-05-20 2010-01-07 Hans Grossmann Drainage screen for a suction roll of a paper machine
CN101372816B (en) * 2008-09-20 2011-04-20 李�昊 Casing of vacuum rotary screen cage
CN102373642B (en) * 2011-11-10 2014-07-23 保定钞票纸业有限公司 Two-dimension code watermark anti-counterfeiting paper and manufacture method thereof,as well as watermark cylinder mould
CN103128471A (en) * 2013-03-19 2013-06-05 四川大学 White watermark automatic welding system
CA2918041A1 (en) 2013-07-09 2015-01-15 Georgia-Pacific Gypsum Llc Selectively sized multi-ply core stock paper, methods, and apparatus
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.
CN105672042B (en) * 2016-01-21 2018-08-07 成都印钞有限公司 A kind of manufacture craft of anti-forge paper with latent image watermark and the paper
CN111231493A (en) * 2019-12-13 2020-06-05 成都印钞有限公司 Paper forming die, die manufacturing method and paper manufactured by forming die

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE116431C (en) *
DE59473C (en) * E. HOESCH, Königlicher Kommerzienrath, in Düren und M. KRAUSE in Berlin S.W., Beuthstrafse 7 Creation of colored watermarks on the paper machine
US1514238A (en) * 1922-04-07 1924-11-04 F C Huyck & Sons Means for watermarking paper
GB373905A (en) * 1930-10-20 1932-06-02 Nat Bank Of Hungary Process for the production of genuine watermark papers without using relief moulds
CH206738A (en) * 1937-11-12 1939-08-31 Ernst Walter Ludwig Relief stencil for creating real relief watermarks.
CH244613A (en) * 1945-05-25 1946-09-30 Reinhardt Erwin Device on paper machines for the production of watermarks that appear darker when viewed through the paper compared to the same.
JPS5341523Y2 (en) * 1973-05-14 1978-10-06
US4526652A (en) * 1983-11-17 1985-07-02 The Mead Corporation Dandy roll for manufacturing paper having simulated oxford cloth watermark and related method for papermaking

Also Published As

Publication number Publication date
JPH0686719B2 (en) 1994-11-02
EP0458973A4 (en) 1992-06-03
WO1991009172A1 (en) 1991-06-27
DE69019737T2 (en) 1996-02-08
JPH03185200A (en) 1991-08-13
EP0458973A1 (en) 1991-12-04
EP0458973B1 (en) 1995-05-24

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings