FI973693A0 - Foerfarande och anordning foer maetning av kvalitetsegenskaper hos en roerlig pappersbana i en pappersmaskin - Google Patents

Foerfarande och anordning foer maetning av kvalitetsegenskaper hos en roerlig pappersbana i en pappersmaskin

Info

Publication number
FI973693A0
FI973693A0 FI973693A FI973693A FI973693A0 FI 973693 A0 FI973693 A0 FI 973693A0 FI 973693 A FI973693 A FI 973693A FI 973693 A FI973693 A FI 973693A FI 973693 A0 FI973693 A0 FI 973693A0
Authority
FI
Finland
Prior art keywords
foerfarande
qualityetsegenskaper
roerlig
pappersbana
maetning
Prior art date
Application number
FI973693A
Other languages
English (en)
Other versions
FI112975B (fi
FI973693A (fi
Inventor
Timo Hyvaerinen
Markku Kaensaekoski
Markku Maentylae
Jussi Tenhunen
Original Assignee
Valmet Automation Inc
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 Valmet Automation Inc filed Critical Valmet Automation Inc
Priority to FI973693A priority Critical patent/FI112975B/fi
Publication of FI973693A0 publication Critical patent/FI973693A0/fi
Priority to PCT/FI1998/000723 priority patent/WO1999014579A1/fi
Priority to AU91654/98A priority patent/AU9165498A/en
Priority to EP98943931A priority patent/EP1017995A1/en
Priority to CA002300095A priority patent/CA2300095A1/en
Publication of FI973693A publication Critical patent/FI973693A/fi
Priority to US09/525,073 priority patent/US6495831B1/en
Application granted granted Critical
Publication of FI112975B publication Critical patent/FI112975B/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI973693A 1997-09-15 1997-09-15 Menetelmä ja laitteisto paperin laatuominaisuuksien mittaamiseksi liikkuvasta paperiradasta paperikoneella FI112975B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI973693A FI112975B (fi) 1997-09-15 1997-09-15 Menetelmä ja laitteisto paperin laatuominaisuuksien mittaamiseksi liikkuvasta paperiradasta paperikoneella
PCT/FI1998/000723 WO1999014579A1 (fi) 1997-09-15 1998-09-15 Method and apparatus for measuring properties of paper
AU91654/98A AU9165498A (en) 1997-09-15 1998-09-15 Method and apparatus for measuring properties of paper
EP98943931A EP1017995A1 (en) 1997-09-15 1998-09-15 Method and apparatus for measuring properties of paper
CA002300095A CA2300095A1 (en) 1997-09-15 1998-09-15 Method and apparatus for measuring properties of paper
US09/525,073 US6495831B1 (en) 1997-09-15 2000-03-14 Method and apparatus for measuring properties of paper

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI973693A FI112975B (fi) 1997-09-15 1997-09-15 Menetelmä ja laitteisto paperin laatuominaisuuksien mittaamiseksi liikkuvasta paperiradasta paperikoneella
FI973693 1997-09-15

Publications (3)

Publication Number Publication Date
FI973693A0 true FI973693A0 (fi) 1997-09-15
FI973693A FI973693A (fi) 1999-03-16
FI112975B FI112975B (fi) 2004-02-13

Family

ID=8549533

Family Applications (1)

Application Number Title Priority Date Filing Date
FI973693A FI112975B (fi) 1997-09-15 1997-09-15 Menetelmä ja laitteisto paperin laatuominaisuuksien mittaamiseksi liikkuvasta paperiradasta paperikoneella

Country Status (6)

Country Link
US (1) US6495831B1 (fi)
EP (1) EP1017995A1 (fi)
AU (1) AU9165498A (fi)
CA (1) CA2300095A1 (fi)
FI (1) FI112975B (fi)
WO (1) WO1999014579A1 (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI120053B (fi) 2000-12-22 2009-06-15 Metso Automation Oy Menetelmä ja laitteisto liikkuvan paperirainan kosteusprofiilin säätämiseksi
DE10142636B4 (de) * 2001-08-31 2006-04-20 Maschinenfabrik Wifag Verfahren und Vorrichtung zur Detektion einer Position einer bewegten Bedruckstoffbahn
FI115163B (fi) 2001-11-29 2005-03-15 Metso Automation Oy Spektrierottelevaan mittaukseen perustuva laadun- ja kunnonvalvonta
US6961126B2 (en) * 2003-10-23 2005-11-01 Honeywell International Inc. Optical wavelength splitter
DE102004003042A1 (de) * 2004-01-20 2005-08-18 Voith Paper Patent Gmbh Flächengewicht der Decklage einer Faserstoffbahn
US7301164B2 (en) * 2004-01-30 2007-11-27 Abb Inc. Measuring apparatus
FI20075975L (fi) * 2007-12-31 2009-07-01 Metso Automation Oy Rainan mittaus
US9029776B2 (en) * 2008-09-05 2015-05-12 Metso Automation Oy Determining the amount of starch
FI125514B (fi) * 2012-05-25 2015-11-13 Valmet Automation Oy Laite ja menetelmä selluloosaa ja mahdollisesti ligniiniä sisältävän rainan mittaamiseksi
FI125721B (fi) 2012-05-25 2016-01-29 Valmet Automation Oy Laite ja menetelmä selluloosamateriaalia ja ainakin yhtä väriainetta, joka sisältää painomusteen, käsittävän kohteen mittaamiseksi
DE102015225962A1 (de) * 2015-12-18 2017-06-22 Voith Patent Gmbh Verfahren und Vorrichtung zur Bestimmung des Flächengewichts einer Faserstoffbahn

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641349A (en) 1969-09-29 1972-02-08 Measurex Corp Method for measuring the amount of substance associated with a base material
US4319847A (en) 1979-12-05 1982-03-16 Measurex Corporation Apparatus to measure select properties of a moving sheet with improved standardization means
FI831543A0 (fi) 1983-05-05 1983-05-05 Lehtikoski Dev Oy Metod och anordning foer automatisk bestaemning av papprets optiska egenskaper
US4733078A (en) 1986-08-25 1988-03-22 Accuray Corporation Measurement of moisture-stratified sheet material
US4801809A (en) * 1987-07-13 1989-01-31 Process Automation Business, Inc. Sheet inspection apparatus and methods providing simultaneous resolution of measurement zones and wavelength bands
US5250811A (en) * 1991-12-20 1993-10-05 Eastman Kodak Company Method for determining compositional information of a multilayer web
US5343296A (en) * 1993-02-04 1994-08-30 Abb Process Automation Inc. Optical scanner with self contained standardization means
US5642189A (en) * 1995-06-12 1997-06-24 Measurex Corporation Color sensor simulating standard source illuminant

Also Published As

Publication number Publication date
AU9165498A (en) 1999-04-05
CA2300095A1 (en) 1999-03-25
FI112975B (fi) 2004-02-13
WO1999014579A1 (fi) 1999-03-25
FI973693A (fi) 1999-03-16
EP1017995A1 (en) 2000-07-12
US6495831B1 (en) 2002-12-17

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Legal Events

Date Code Title Description
MA Patent expired