EP4453546A4 - Verfahren und anordnung zur bestimmung des rindengehalts in holzspänen - Google Patents

Verfahren und anordnung zur bestimmung des rindengehalts in holzspänen

Info

Publication number
EP4453546A4
EP4453546A4 EP22910276.9A EP22910276A EP4453546A4 EP 4453546 A4 EP4453546 A4 EP 4453546A4 EP 22910276 A EP22910276 A EP 22910276A EP 4453546 A4 EP4453546 A4 EP 4453546A4
Authority
EP
European Patent Office
Prior art keywords
determining
arrangement
wood shavings
bark content
bark
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.)
Pending
Application number
EP22910276.9A
Other languages
English (en)
French (fr)
Other versions
EP4453546A1 (de
Inventor
Hannu Hämäläinen
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.)
TEKNOSAVO Oy
Original Assignee
TEKNOSAVO Oy
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 TEKNOSAVO Oy filed Critical TEKNOSAVO Oy
Publication of EP4453546A1 publication Critical patent/EP4453546A1/de
Publication of EP4453546A4 publication Critical patent/EP4453546A4/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B27L1/04—Debarking or removing vestiges of branches from trees or logs; Machines therefor by rubbing the trunks in rotating drums
    • B27L1/045—Feeding devices therefor
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D21G9/0018—Paper-making control systems controlling the stock preparation
    • 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
    • G01N21/85—Investigating moving fluids or granular solids
    • 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
    • G01N33/46—Wood

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
EP22910276.9A 2021-12-20 2022-12-16 Verfahren und anordnung zur bestimmung des rindengehalts in holzspänen Pending EP4453546A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20216300A FI20216300A1 (fi) 2021-12-20 2021-12-20 Menetelmä ja järjestely kuoren osuuden määrittämiseksi puuhakkeessa
PCT/FI2022/050843 WO2023118651A1 (en) 2021-12-20 2022-12-16 Method and arrangement for determination of the bark content in woodchips

Publications (2)

Publication Number Publication Date
EP4453546A1 EP4453546A1 (de) 2024-10-30
EP4453546A4 true EP4453546A4 (de) 2025-12-24

Family

ID=86901408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22910276.9A Pending EP4453546A4 (de) 2021-12-20 2022-12-16 Verfahren und anordnung zur bestimmung des rindengehalts in holzspänen

Country Status (3)

Country Link
EP (1) EP4453546A4 (de)
FI (1) FI20216300A1 (de)
WO (1) WO2023118651A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990012310A1 (en) * 1989-04-05 1990-10-18 Oy Keskuslaboratorio Centrallaboratorium Ab Procedure and apparatus for determining size and/or shape distribution
US6137894A (en) * 1996-09-19 2000-10-24 Valtion Teknillinen Tutkimuskeskus On-line method for determining the wood-bark ratio from a flow of material
US6606405B1 (en) * 1999-01-27 2003-08-12 Autolog Inc. Wood chips analyser
US6614041B1 (en) * 1999-03-11 2003-09-02 Metso Paper, Inc. Method for determining the wood/bark ratio from a flow of wood material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990012310A1 (en) * 1989-04-05 1990-10-18 Oy Keskuslaboratorio Centrallaboratorium Ab Procedure and apparatus for determining size and/or shape distribution
US6137894A (en) * 1996-09-19 2000-10-24 Valtion Teknillinen Tutkimuskeskus On-line method for determining the wood-bark ratio from a flow of material
US6606405B1 (en) * 1999-01-27 2003-08-12 Autolog Inc. Wood chips analyser
US6614041B1 (en) * 1999-03-11 2003-09-02 Metso Paper, Inc. Method for determining the wood/bark ratio from a flow of wood material

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LAITINEN JYRKI: "2001 TAPPI JOURNAL PEER REVIEWED PAPER DETERMINATION OF RESIDUAL BARK IN DEBARKED PULPWOOD USING IMAGE ANALYSIS", 31 January 2001 (2001-01-31), XP093334419, Retrieved from the Internet <URL:https://imisrise.tappi.org/TAPPI/Products/01/JAN/01JAN93.aspx> [retrieved on 20251111] *
See also references of WO2023118651A1 *

Also Published As

Publication number Publication date
EP4453546A1 (de) 2024-10-30
WO2023118651A1 (en) 2023-06-29
FI20216300A1 (fi) 2023-06-21

Similar Documents

Publication Publication Date Title
EP4211591A4 (de) Verfahren und system zur identifizierung von zitaten in regulatorischen inhalten
EP1638575A4 (de) Transdermale zusammensetzungen und verfahren zur behandlung von fibromyalgie und chronischem müdigkeitssyndrom
DK2209556T3 (da) Flishugningsmaskine med perifer sigte- og neddelingsanordning samt fremgangsmåde til fremstilling af træflis
FI20070935L (fi) Koostumus ja menetelmä puun käsittelemiseksi
EP4167730A4 (de) Vorrichtung, anordnung und verfahren zur verwendung in hochenergieschiffsumgebungen
Kılıç Effects of machining methods on the surface roughness values of Pinus nigra Arnold wood
DE112007002837A5 (de) Anordnung und Verfahren zum Erkennen und Klassifizieren von vorzugsweise verdeckten Gegenständen in Objekt- und/oder Personenströmen
EP4470209A4 (de) Verfahren und anordnung zur bestimmung des rindengehalts in holzspänen
FI20045449L (fi) Menetelmä ja laitteisto hakkeen käsittelemiseksi
Popadić et al. Influence of the sawing method on yield of beech logs with red heartwood
DE112018000603A5 (de) Verfahren zur Bestimmung des Kunststoffgehaltes in Gewässer- und Abwasserproben
DE602008000635D1 (de) System und Verfahren zum Messen des Feuchtigkeitsstratifizierungsgrads in einem Papier oder Pappe
EP4453546A4 (de) Verfahren und anordnung zur bestimmung des rindengehalts in holzspänen
DE112009000636T8 (de) Verfahren und Vorrichtung zur Durchführung von Log-Likelihood-Berechnungen
ATE516240T1 (de) Verfahren und vorrichtung zur bearbeitung von holzstämmen
DE502006008993D1 (de) Verfahren sowie vorrichtung zur bestimmung eines s
FI20065540L (fi) Menetelmä ja sovitelma puukappaleen mittaamiseksi puunkäsittelykoneessa
AT501639B1 (de) Verfahren und vorrichtung zur zerstörungsfreien überprüfung von holzbauteilen
AT501049B8 (de) Verfahren zur acylierung eines insbesondere cellulose und/oder hemicellulose und/oder lignin aufweisenden materials und damit erhältliches material
EP4401936A4 (de) Verfahren und system zur optimierung des sägens von holzstämmen in holz in einer sägeanlage
Evans et al. Checking of profiled southern pine and pacific silver fir deck boards
EP4563707A4 (de) Verfahren zur bestimmung der äusseren membranablösung in cyanobacterium, vorrichtung zur bestimmung der äusseren membranablösung in cyanobacterium und programm
DE102007062554A8 (de) Verfahren und Maschine zum Bördeln von Komponenten aus Holz oder ähnlichem
Ebert Composite wainscot block construction in medieval sculptures: a question of quality?
AT501189A3 (de) Vorrichtung und verfahren zum sägen von holz zu brennholz

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240717

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20251126

RIC1 Information provided on ipc code assigned before grant

Ipc: G01N 21/85 20060101AFI20251120BHEP

Ipc: G01N 33/46 20060101ALI20251120BHEP

Ipc: G01N 21/898 20060101ALI20251120BHEP

Ipc: B27L 11/00 20060101ALI20251120BHEP

Ipc: D21B 1/02 20060101ALI20251120BHEP