DE69025408D1 - Methode und vorrichtung zum nachweis von rinde und zur bestimmung des rindenanteils auf holz und spänen - Google Patents

Methode und vorrichtung zum nachweis von rinde und zur bestimmung des rindenanteils auf holz und spänen

Info

Publication number
DE69025408D1
DE69025408D1 DE69025408T DE69025408T DE69025408D1 DE 69025408 D1 DE69025408 D1 DE 69025408D1 DE 69025408 T DE69025408 T DE 69025408T DE 69025408 T DE69025408 T DE 69025408T DE 69025408 D1 DE69025408 D1 DE 69025408D1
Authority
DE
Germany
Prior art keywords
bark
pct
wood
log
date
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 - Fee Related
Application number
DE69025408T
Other languages
English (en)
Other versions
DE69025408T2 (de
Inventor
Lennart Johansson
Leif Ringstroem
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.)
Svenska Traforskningsinstitutet
STFI Skogsindustrins Tekniska Forskningsinstitut AB
Original Assignee
Svenska Traforskningsinstitutet
STFI Skogsindustrins Tekniska Forskningsinstitut AB
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 Svenska Traforskningsinstitutet, STFI Skogsindustrins Tekniska Forskningsinstitut AB filed Critical Svenska Traforskningsinstitutet
Application granted granted Critical
Publication of DE69025408D1 publication Critical patent/DE69025408D1/de
Publication of DE69025408T2 publication Critical patent/DE69025408T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • 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
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/10—Scanning
    • G01N2201/102—Video camera

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Wood Science & Technology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Textile Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Image Processing (AREA)
  • Studio Devices (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Golf Clubs (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
DE69025408T 1989-11-14 1990-11-09 Methode und vorrichtung zum nachweis von rinde und zur bestimmung des rindenanteils auf holz und spänen Expired - Fee Related DE69025408T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8903821A SE466420B (sv) 1989-11-14 1989-11-14 Foerfarande och anordning foer detektering av bark samt bestaemning av barkningsgrad paa ved eller i flis
PCT/SE1990/000728 WO1991007653A1 (en) 1989-11-14 1990-11-09 A method and apparatus for detecting bark and for determining the degree of barking on wood and chips

Publications (2)

Publication Number Publication Date
DE69025408D1 true DE69025408D1 (de) 1996-03-28
DE69025408T2 DE69025408T2 (de) 1996-09-05

Family

ID=20377474

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69025408T Expired - Fee Related DE69025408T2 (de) 1989-11-14 1990-11-09 Methode und vorrichtung zum nachweis von rinde und zur bestimmung des rindenanteils auf holz und spänen

Country Status (9)

Country Link
US (1) US5274244A (de)
EP (1) EP0502041B1 (de)
JP (1) JPH05503990A (de)
AT (1) ATE134270T1 (de)
CA (1) CA2068650A1 (de)
DE (1) DE69025408T2 (de)
FI (1) FI103076B (de)
SE (1) SE466420B (de)
WO (1) WO1991007653A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT398174B (de) * 1991-02-08 1994-10-25 Andritz Patentverwaltung Verfahren und vorrichtung zum trennen von entrindeten holzknüppeln
JP3431995B2 (ja) * 1993-06-03 2003-07-28 キヤノン株式会社 撮像装置
FI101327B (fi) * 1996-09-19 1998-05-29 Valtion Teknillinen ON-line menetelmä puu-kuorisuhteen määrittämiseksi massavirrasta
FI102521B2 (fi) * 1997-05-19 2004-05-25 Andritz Patentverwaltung Menetelmä ja laite kuorintaprosessin puuhäviöiden vähentämiseksi
CA2228023A1 (en) * 1998-01-23 1999-07-23 Centre De Recherche Industrielle Du Quebec Method and apparatus for classifying batches of wood chips or the like
FI110545B (fi) * 1998-10-28 2003-02-14 Valtion Teknillinen Puuaineksen mittausmenetelmä ja -järjestely
SE520060C2 (sv) * 2000-10-12 2003-05-13 Latronix Ab System och förfarande för kontinuerlig bestämning av storleken på ett objekt vars storlek varierar i tiden
SE0103279L (sv) † 2001-10-02 2003-04-03 Integrated Vision Prod Förfarande för mätning av ljusspridning och geometrisk profil
WO2003030227A2 (en) * 2001-10-02 2003-04-10 Quantum Dot Corporation Method of semiconductor nanoparticle synthesis
FI20025065A (fi) * 2002-12-18 2004-06-19 Andritz Oy Menetelmä kuorimarummussa kuorittavien puiden kuorintatuloksen optimoimiseksi
US7684030B2 (en) 2007-05-04 2010-03-23 Vab Solutions Inc. Enclosure for a linear inspection system
AT505516B1 (de) 2007-07-27 2009-03-15 Schoerkhuber Johannes Verfahren zur herstellung von holzpellets aus hackgut
DE602008004330D1 (de) 2008-07-04 2011-02-17 Sick Ivp Aktiebolag Kalibrierung eines Profilmesssystems
WO2010037206A1 (en) * 2008-10-03 2010-04-08 Fpinnovations Apparatus and methods for controlled debarking of wood
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
US20170249512A1 (en) * 2014-10-21 2017-08-31 Tolo, Inc. Remote detection of insect infestation
SE540910C2 (en) * 2017-05-02 2018-12-18 Gorzsas Andras Spectroscopic method and device for determining the characteristics of a tree
CN107621442A (zh) * 2017-09-13 2018-01-23 四川伟图智能科技有限公司 一种产品质量监测视觉传感器
DE102017009414A1 (de) * 2017-10-11 2019-04-11 Ernst Christian Tienes Verfahren zum Herstellen von Festbrennstoff-Formkörpern
SE543138C2 (en) * 2018-11-03 2020-10-13 Tracy Of Sweden Ab Arrangement and method for capturing image of log
EP3916378B1 (de) * 2020-05-29 2023-09-27 MICROTEC S.r.l. Verfahren und vorrichtung zur aufnahme eines bildes einer seitenfläche einer holzplatte
FI130859B1 (en) * 2022-02-24 2024-04-26 Innomost Oy Procedure for processing birch bark
FI130860B1 (en) * 2022-02-24 2024-04-26 Innomost Oy A method for extracting highly pure betulin from birch bark

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488841A (en) * 1974-01-18 1977-10-12 Plessey Co Ltd Optical detection apparatus
SE404964B (sv) * 1977-03-22 1978-11-06 Sarlos Seppo Edvard Anordning for detektering av stralning fran ett foremal for faststellande av avvikelser eller fel hos en yta av detsamma
US4266675A (en) * 1980-01-04 1981-05-12 The United States Of America As Represented By The Secretary Of Agriculture Optical wood-bark segregator
FI63835C (fi) * 1981-02-10 1983-08-10 Altim Control Ky Foerfarande foer identifiering av ett virkes ytegenskaper
FI64301C (fi) * 1981-03-30 1983-11-10 Kone Oy Foerfarande och anordning foer avskiljning av daoligt avbarkattvaevirke
US4606645A (en) * 1984-10-29 1986-08-19 Weyerhaeuser Company Method for determining localized fiber angle in a three dimensional fibrous material

Also Published As

Publication number Publication date
EP0502041A1 (de) 1992-09-09
DE69025408T2 (de) 1996-09-05
US5274244A (en) 1993-12-28
WO1991007653A1 (en) 1991-05-30
FI103076B1 (fi) 1999-04-15
FI922179A0 (fi) 1992-05-13
SE466420B (sv) 1992-02-10
CA2068650A1 (en) 1991-05-15
SE8903821D0 (sv) 1989-11-14
FI103076B (fi) 1999-04-15
JPH05503990A (ja) 1993-06-24
FI922179A (fi) 1992-05-13
SE8903821L (sv) 1991-05-15
EP0502041B1 (de) 1996-02-14
ATE134270T1 (de) 1996-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee