NO995655D0 - Fremgangsmåte og apparat for å bestemme mengden av barkmateriale som er tilstede i en ström av bark - Google Patents

Fremgangsmåte og apparat for å bestemme mengden av barkmateriale som er tilstede i en ström av bark

Info

Publication number
NO995655D0
NO995655D0 NO995655A NO995655A NO995655D0 NO 995655 D0 NO995655 D0 NO 995655D0 NO 995655 A NO995655 A NO 995655A NO 995655 A NO995655 A NO 995655A NO 995655 D0 NO995655 D0 NO 995655D0
Authority
NO
Norway
Prior art keywords
bark
stream
determining
amount
material present
Prior art date
Application number
NO995655A
Other languages
English (en)
Other versions
NO320725B1 (no
NO995655L (no
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 NO995655D0 publication Critical patent/NO995655D0/no
Publication of NO995655L publication Critical patent/NO995655L/no
Publication of NO320725B1 publication Critical patent/NO320725B1/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46Wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27LREMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L1/00Debarking or removing vestiges of branches from trees or logs; Machines therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/898Irregularities in textured or patterned surfaces, e.g. textiles, wood
    • G01N21/8986Wood

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)
  • Forests & Forestry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (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)
NO19995655A 1997-05-19 1999-11-18 Fremgangsmate for a bestemme den andel tremateriale som foreligger i en barkstrominig som kommer ut fra en avbarkingsprosess samt for a styre en avbarkingsprosess pa grunnlag av nevnte data for a redusere tretapene i avbarkingsprosessen. NO320725B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI972123A FI102521B2 (fi) 1997-05-19 1997-05-19 Menetelmä ja laite kuorintaprosessin puuhäviöiden vähentämiseksi
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
NO995655D0 true NO995655D0 (no) 1999-11-18
NO995655L NO995655L (no) 1999-11-18
NO320725B1 NO320725B1 (no) 2006-01-23

Family

ID=8548875

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19995655A NO320725B1 (no) 1997-05-19 1999-11-18 Fremgangsmate for a bestemme den andel tremateriale som foreligger i en barkstrominig som kommer ut fra en avbarkingsprosess samt for a styre en avbarkingsprosess pa grunnlag av nevnte data for a redusere tretapene i avbarkingsprosessen.

Country Status (8)

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

Families Citing this family (7)

* 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 (fi) * 2002-06-12 2003-12-13 Metso Paper Inc Rumpukuorintamenetelmä ja kuoren erottaminen puuvirrasta
FI20025065A (fi) * 2002-12-18 2004-06-19 Andritz Oy Menetelmä kuorimarummussa kuorittavien puiden kuorintatuloksen optimoimiseksi
DE102006044114A1 (de) * 2006-09-20 2008-03-27 Forschungszentrum Karlsruhe Gmbh Verfahren zur Charakterisierung der Abgasausbrandqualität in Verbrennungsanlagen
FI122576B (fi) * 2007-06-27 2012-03-30 Teknosavo Oy Menetelmä ja laite puiden kuorimarummun täyttöasteen mittaamiseen
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

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 St Microelectronics Srl 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
FI101327B (fi) 1996-09-19 1998-05-29 Valtion Teknillinen ON-line menetelmä puu-kuorisuhteen määrittämiseksi massavirrasta
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
DE19882394T1 (de) 2000-07-27
FI972123A0 (fi) 1997-05-19
AT410984B (de) 2003-09-25
SE518394C2 (sv) 2002-10-01
NO320725B1 (no) 2006-01-23
SE9904173L (sv) 2000-01-13
SE9904173D0 (sv) 1999-11-18
FI102521B2 (fi) 2004-05-25
DE19882394B4 (de) 2005-08-25
WO1998053313A1 (en) 1998-11-26
NO995655L (no) 1999-11-18
AU7530798A (en) 1998-12-11
US6526154B1 (en) 2003-02-25
ATA905098A (de) 2003-01-15

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