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FI963714A0 - ON-line -foerfarande foer bestaemning av trae-barkfoerhaollandet i ett massfloede - Google Patents

ON-line -foerfarande foer bestaemning av trae-barkfoerhaollandet i ett massfloede

Info

Publication number
FI963714A0
FI963714A0 FI963714A FI963714A FI963714A0 FI 963714 A0 FI963714 A0 FI 963714A0 FI 963714 A FI963714 A FI 963714A FI 963714 A FI963714 A FI 963714A FI 963714 A0 FI963714 A0 FI 963714A0
Authority
FI
Finland
Prior art keywords
massfloede
farerfarande
barkfoerhaollandet
trae
ett
Prior art date
Application number
FI963714A
Other languages
English (en)
Other versions
FI101327B1 (fi
FI101327B (fi
Inventor
Kalevi Pietikaeinen
Mikko Ahonen
Pekka Silvennoinen
Jari Suuronen
Veli Juhani Aho
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 FI963714A priority Critical patent/FI101327B/fi
Publication of FI963714A0 publication Critical patent/FI963714A0/fi
Priority to CA002215642A priority patent/CA2215642A1/en
Priority to US08/937,324 priority patent/US6137894A/en
Priority to EP97660099A priority patent/EP0831320A3/en
Application granted granted Critical
Publication of FI101327B1 publication Critical patent/FI101327B1/fi
Publication of FI101327B publication Critical patent/FI101327B/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
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
    • G01N21/8986—Wood

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI963714A 1996-09-19 1996-09-19 ON-line menetelmä puu-kuorisuhteen määrittämiseksi massavirrasta FI101327B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI963714A FI101327B (fi) 1996-09-19 1996-09-19 ON-line menetelmä puu-kuorisuhteen määrittämiseksi massavirrasta
CA002215642A CA2215642A1 (en) 1996-09-19 1997-09-15 An on-line method for determining the wood-bark ratio from a flow of material
US08/937,324 US6137894A (en) 1996-09-19 1997-09-18 On-line method for determining the wood-bark ratio from a flow of material
EP97660099A EP0831320A3 (en) 1996-09-19 1997-09-18 Method for the on-line determination of wood-bark ratio in moving wood material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI963714 1996-09-19
FI963714A FI101327B (fi) 1996-09-19 1996-09-19 ON-line menetelmä puu-kuorisuhteen määrittämiseksi massavirrasta

Publications (3)

Publication Number Publication Date
FI963714A0 true FI963714A0 (fi) 1996-09-19
FI101327B1 FI101327B1 (fi) 1998-05-29
FI101327B FI101327B (fi) 1998-05-29

Family

ID=8546699

Family Applications (1)

Application Number Title Priority Date Filing Date
FI963714A FI101327B (fi) 1996-09-19 1996-09-19 ON-line menetelmä puu-kuorisuhteen määrittämiseksi massavirrasta

Country Status (4)

Country Link
US (1) US6137894A (fi)
EP (1) EP0831320A3 (fi)
CA (1) CA2215642A1 (fi)
FI (1) FI101327B (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102521B2 (fi) * 1997-05-19 2004-05-25 Andritz Patentverwaltung Menetelmä ja laite kuorintaprosessin puuhäviöiden vähentämiseksi
SE9801170L (sv) * 1998-04-02 1999-10-03 Photonic Systems Ab Förfarande och system för övervakning eller avsökning av ett föremål, material eller dylikt
FI110545B (fi) 1998-10-28 2003-02-14 Valtion Teknillinen Puuaineksen mittausmenetelmä ja -järjestely
FI990539A0 (fi) * 1999-03-11 1999-03-11 Valtion Teknillinen Kuori- ja puupitoisuuden mittaukseen tarkoitettu menetelmä
DE10064891A1 (de) * 2000-12-23 2002-06-27 Rettenmeier Holding Gmbh & Co Verfahren zur optischen Qualitätsdokumentation eines Holzkörpers
US8620059B2 (en) * 2007-12-13 2013-12-31 Fpinnovations Characterizing wood furnish by edge pixelated imaging
FI124426B (fi) * 2012-03-02 2014-08-29 Fin Scan Oy Menetelmä ja laitteisto kolmiulotteisten kappaleiden, esimerkiksi puutavaran dimensioiden ja ulkoisten ominaisuuksien määrittämiseksi
CA2780202C (en) * 2012-06-19 2014-11-18 Centre De Recherche Industrielle Du Quebec Method and system for detecting the quality of debarking at the surface of a wooden log
JP5984301B2 (ja) * 2012-10-29 2016-09-06 株式会社プレックス 布類検査装置
FI20216300A1 (fi) * 2021-12-20 2023-06-21 Teknosavo Oy Menetelmä ja järjestely kuoren osuuden määrittämiseksi puuhakkeessa

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221974A (en) * 1979-02-02 1980-09-09 The Bendix Corporation Lumber inspection and optimization system
US4266675A (en) * 1980-01-04 1981-05-12 The United States Of America As Represented By The Secretary Of Agriculture Optical wood-bark segregator
ATE54027T1 (de) * 1986-02-22 1990-07-15 Pinsch Gmbh & Co Helmut K Schnittholz-pruefvorrichtung.
US4992949A (en) * 1989-01-27 1991-02-12 Macmillan Bloedel Limited Color sorting of lumber
SE466420B (sv) * 1989-11-14 1992-02-10 Svenska Traeforskningsinst Foerfarande och anordning foer detektering av bark samt bestaemning av barkningsgrad paa ved eller i flis
AT398174B (de) * 1991-02-08 1994-10-25 Andritz Patentverwaltung Verfahren und vorrichtung zum trennen von entrindeten holzknüppeln
US5394342A (en) * 1993-02-26 1995-02-28 Macmillan Bloedel Limited Log scanning

Also Published As

Publication number Publication date
EP0831320A3 (en) 1998-07-15
CA2215642A1 (en) 1998-03-19
EP0831320A2 (en) 1998-03-25
FI101327B1 (fi) 1998-05-29
FI101327B (fi) 1998-05-29
US6137894A (en) 2000-10-24

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