FI98744B - Method of marking paper and device for detecting marked paper - Google Patents

Method of marking paper and device for detecting marked paper

Info

Publication number
FI98744B
FI98744B FI960239A FI960239A FI98744B FI 98744 B FI98744 B FI 98744B FI 960239 A FI960239 A FI 960239A FI 960239 A FI960239 A FI 960239A FI 98744 B FI98744 B FI 98744B
Authority
FI
Finland
Prior art keywords
paper
marking
detecting marked
detecting
marked
Prior art date
Application number
FI960239A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI98744C (en
FI960239A0 (en
Inventor
Rolf Rosenberg
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI960239A priority Critical patent/FI98744C/en
Publication of FI960239A0 publication Critical patent/FI960239A0/en
Priority to PCT/FI1997/000025 priority patent/WO1997026408A1/en
Priority to AU14463/97A priority patent/AU1446397A/en
Priority to EP19970901099 priority patent/EP0876535A1/en
Application granted granted Critical
Publication of FI98744B publication Critical patent/FI98744B/en
Publication of FI98744C publication Critical patent/FI98744C/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/026—Separating fibrous materials from waste
    • D21B1/028—Separating fibrous materials from waste by dry methods
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • 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
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
FI960239A 1996-01-17 1996-01-17 Method of marking paper and device for detecting marked paper FI98744C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI960239A FI98744C (en) 1996-01-17 1996-01-17 Method of marking paper and device for detecting marked paper
PCT/FI1997/000025 WO1997026408A1 (en) 1996-01-17 1997-01-17 Method for marking paper and apparatus for detected marked paper
AU14463/97A AU1446397A (en) 1996-01-17 1997-01-17 Method for marking paper and apparatus for detected marked paper
EP19970901099 EP0876535A1 (en) 1996-01-17 1997-01-17 Method for marking paper and apparatus for detected marked paper

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI960239 1996-01-17
FI960239A FI98744C (en) 1996-01-17 1996-01-17 Method of marking paper and device for detecting marked paper

Publications (3)

Publication Number Publication Date
FI960239A0 FI960239A0 (en) 1996-01-17
FI98744B true FI98744B (en) 1997-04-30
FI98744C FI98744C (en) 1997-08-11

Family

ID=8544930

Family Applications (1)

Application Number Title Priority Date Filing Date
FI960239A FI98744C (en) 1996-01-17 1996-01-17 Method of marking paper and device for detecting marked paper

Country Status (4)

Country Link
EP (1) EP0876535A1 (en)
AU (1) AU1446397A (en)
FI (1) FI98744C (en)
WO (1) WO1997026408A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6172128B2 (en) 2014-03-25 2017-08-02 セイコーエプソン株式会社 Sheet manufacturing equipment
JP2021119267A (en) * 2020-01-30 2021-08-12 セイコーエプソン株式会社 Fiber processing system and fiber processing method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020652A1 (en) * 1980-05-30 1981-12-10 GAO Gesellschaft für Automation und Organisation mbH, 8000 München SECURITY PAPER WITH CHARACTERISTICS IN THE FORM OF LUMINESCENT SUBSTANCES AND METHOD FOR MODIFYING THE SAME
DE3122470C2 (en) * 1981-06-05 1985-09-05 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Security paper and process for making the same
US5118349A (en) * 1986-08-19 1992-06-02 Petrel Security markings, material provided with security marks, and apparatus to detect the security mark

Also Published As

Publication number Publication date
FI98744C (en) 1997-08-11
FI960239A0 (en) 1996-01-17
EP0876535A1 (en) 1998-11-11
WO1997026408A1 (en) 1997-07-24
AU1446397A (en) 1997-08-11

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Legal Events

Date Code Title Description
BB Publication of examined application