SE9904173L - Metod och en anordning för definiering av andelen trämaterial i en ström av bark - Google Patents

Metod och en anordning för definiering av andelen trämaterial i en ström av bark

Info

Publication number
SE9904173L
SE9904173L SE9904173A SE9904173A SE9904173L SE 9904173 L SE9904173 L SE 9904173L SE 9904173 A SE9904173 A SE 9904173A SE 9904173 A SE9904173 A SE 9904173A SE 9904173 L SE9904173 L SE 9904173L
Authority
SE
Sweden
Prior art keywords
wood material
bark
defining
basis
amount
Prior art date
Application number
SE9904173A
Other languages
Unknown language ( )
English (en)
Other versions
SE9904173D0 (sv
SE518394C2 (sv
Inventor
Esa Taipale
Rudolf Mayboeck
Original Assignee
Andritz Patentverwaltung
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 Andritz Patentverwaltung filed Critical Andritz Patentverwaltung
Publication of SE9904173D0 publication Critical patent/SE9904173D0/sv
Publication of SE9904173L publication Critical patent/SE9904173L/sv
Publication of SE518394C2 publication Critical patent/SE518394C2/sv

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L1/00—Debarking or removing vestiges of branches from trees or logs; Machines therefor
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Forests & Forestry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Image Processing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
SE9904173A 1997-05-19 1999-11-18 Metod för bestämning av andelen trämaterial i en barkström SE518394C2 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI972123A FI102521B2 (sv) 1997-05-19 1997-05-19 Förfarande och anordning för att minska träförlusterna vid en barkningsprocess
PCT/FI1998/000420 WO1998053313A1 (en) 1997-05-19 1998-05-19 Method and apparatus for determining the portion of wood material present in a stream of bark

Publications (3)

Publication Number Publication Date
SE9904173D0 SE9904173D0 (sv) 1999-11-18
SE9904173L true SE9904173L (sv) 2000-01-13
SE518394C2 SE518394C2 (sv) 2002-10-01

Family

ID=8548875

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9904173A SE518394C2 (sv) 1997-05-19 1999-11-18 Metod för bestämning av andelen trämaterial i en barkström

Country Status (8)

Country Link
US (1) US6526154B1 (sv)
AT (1) AT410984B (sv)
AU (1) AU7530798A (sv)
DE (1) DE19882394B4 (sv)
FI (1) FI102521B2 (sv)
NO (1) NO320725B1 (sv)
SE (1) SE518394C2 (sv)
WO (1) WO1998053313A1 (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6705456B2 (en) * 2002-06-07 2004-03-16 Metso Paper, Inc. Feed indexing bar conveyor
FI20021134A (sv) * 2002-06-12 2003-12-13 Metso Paper Inc Trumbarkningsförfarande och avskiljning av bark från ett träflöde
FI20025065A (sv) * 2002-12-18 2004-06-19 Andritz Oy Förfarande för optimering av barkningsresultat av trän, som skall avbarkas i en barkningstrumma
DE102006044114A1 (de) * 2006-09-20 2008-03-27 Forschungszentrum Karlsruhe Gmbh Verfahren zur Charakterisierung der Abgasausbrandqualität in Verbrennungsanlagen
FI122576B (sv) * 2007-06-27 2012-03-30 Teknosavo Oy Förfarande och anordning för mätning av en barkningstrummas fyllnadsgrad
EP2344307A4 (en) * 2008-10-03 2014-02-19 Fpinnovations DEVICE AND METHOD FOR CONTROLLED WOODEN DEVELOPMENT
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
SE543059C2 (sv) * 2019-03-07 2020-09-29 Stora Enso Oyj Device and method of processing logs using a thermal camera

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266675A (en) * 1980-01-04 1981-05-12 The United States Of America As Represented By The Secretary Of Agriculture Optical wood-bark segregator
US4402604A (en) * 1980-03-20 1983-09-06 Paul Nash Method for the on-line measurement of inclusions in pulp
US4691231A (en) * 1985-10-01 1987-09-01 Vistech Corporation Bottle inspection system
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
DE69421377T2 (de) * 1994-02-28 2000-03-23 Stmicroelectronics S.R.L., Agrate Brianza Filter zur Rauschunterdrückung und Kantenverstärkung von numerischen Bildsignalen mit Hilfe unscharfer Logik
DE19510008C2 (de) * 1995-03-23 1997-01-30 Siemens Ag Verfahren und Vorrichtung zur Prozeßführung bei der Zellstoff- und/oder Papierherstellung
FI101327B1 (sv) * 1996-09-19 1998-05-29 Valtion Teknillinen ON-line -förfarande för bestämning av trä-barkförhållandet i ett massflöde
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

Also Published As

Publication number Publication date
AU7530798A (en) 1998-12-11
FI972123A0 (fi) 1997-05-19
NO995655D0 (no) 1999-11-18
DE19882394B4 (de) 2005-08-25
NO995655L (no) 1999-11-18
SE9904173D0 (sv) 1999-11-18
AT410984B (de) 2003-09-25
ATA905098A (de) 2003-01-15
NO320725B1 (no) 2006-01-23
WO1998053313A1 (en) 1998-11-26
US6526154B1 (en) 2003-02-25
DE19882394T1 (de) 2000-07-27
FI102521B2 (sv) 2004-05-25
SE518394C2 (sv) 2002-10-01

Similar Documents

Publication Publication Date Title
ATE137377T1 (de) Bildverarbeitungsgerät
DE3177160D1 (de) Abtast- und reformatierungsmethode und -system zum verarbeiten von videofarbsignalen zum verbessern der bildqualitaet.
DE59711550D1 (de) Vorrichtung und verfahren zur erzeugung eines kompositbildes
SE9604008L (sv) Sätt och anordning för registrering
DE69102718D1 (de) Apparat zur Verarbeitung eines Videosignals.
DK0613288T3 (da) Billedbehandlingsapparat, billeddannelsesapparat og fremgangsmåde til billedbehandling
DE69107122D1 (de) Verfahren zur Erfassung von Echographie-Bildern.
SE9904173D0 (sv) Metod och en anordning för definiering av andelen trämaterial i en ström av bark
ITMI910563A1 (it) Metodo e apparato per sorvegliare otticamente lavorazione di materiali mediante laser
DK0582139T3 (da) Apparat til opskæring især af tobaksballer i skiver
ATE218225T1 (de) Multiprozessorsystem mit mehrfachen befehlsquellen
SE9603660L (sv) Anordning och förfarande för förflyttning av ett objekt samt användning vid materialavlägsnande bearbetning av ett materialskikt, särskilt ett betongskikt
DE69327349D1 (de) Bildverarbeitung zur Entfernung von Hintergrundanteilen aus Abtastdaten eines Bilddokumentes
ATE190176T1 (de) Datenverarbeitungsverfahren
GB0308509D0 (en) Inspection apparatus and method
EP0791892A3 (en) Image processing apparatus and method
DE69106794D1 (de) Videosignalverarbeitungsverfahren.
EP0831320A3 (en) Method for the on-line determination of wood-bark ratio in moving wood material
FR2711877B1 (fr) Système de traitement d'images haute définition.
CA2287529A1 (en) Method and apparatus for determining the portion of wood material present in a stream of bark
DE69839561D1 (de) Bildverarbeitungsmethode, bildverarbeitungsvorrichtung und aufnahmemedium,welches gespeicherte bildverarbeitungsprogramme enthält
SE9603698L (sv) Metod och anordning för att reducera kvantiseringsbrus
JPS53135217A (en) Read multiplication varying method and its apparatus in solid scanning system
Coomber et al. ANALYTICAL PROCEED I NG S
DE59701796D1 (de) Verfahren zur Bearbeitung von Bildpunkten eines Bildsegments durch einen Rechner

Legal Events

Date Code Title Description
NUG Patent has lapsed