FI894565A0 - Roentgentomografiskt foerfarande foer observering av fel och kvistar i trae. - Google Patents

Roentgentomografiskt foerfarande foer observering av fel och kvistar i trae.

Info

Publication number
FI894565A0
FI894565A0 FI894565A FI894565A FI894565A0 FI 894565 A0 FI894565 A0 FI 894565A0 FI 894565 A FI894565 A FI 894565A FI 894565 A FI894565 A FI 894565A FI 894565 A0 FI894565 A0 FI 894565A0
Authority
FI
Finland
Prior art keywords
roentgentomografiskt
observering
kvistar
trae
fel
Prior art date
Application number
FI894565A
Other languages
English (en)
Other versions
FI85769C (fi
FI85769B (fi
FI894565A (fi
Inventor
Pertti Sikanen
Pertti Puumalainen
Original Assignee
Acatec Ltd 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 Acatec Ltd Oy filed Critical Acatec Ltd Oy
Priority to FI894565A priority Critical patent/FI85769C/fi
Publication of FI894565A0 publication Critical patent/FI894565A0/fi
Priority to PCT/FI1990/000225 priority patent/WO1991005245A1/en
Publication of FI894565A publication Critical patent/FI894565A/fi
Application granted granted Critical
Publication of FI85769B publication Critical patent/FI85769B/fi
Publication of FI85769C publication Critical patent/FI85769C/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
    • B27B1/007—Methods for subdividing trunks or logs essentially involving sawing taking into account geometric properties of the trunks or logs to be sawn, e.g. curvature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
FI894565A 1989-09-27 1989-09-27 Roentgentomografiskt foerfarande foer observering av fel och kvistar i trae. FI85769C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI894565A FI85769C (fi) 1989-09-27 1989-09-27 Roentgentomografiskt foerfarande foer observering av fel och kvistar i trae.
PCT/FI1990/000225 WO1991005245A1 (en) 1989-09-27 1990-09-26 Tomographic radiological method for detection of defects and knots in wood

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI894565A FI85769C (fi) 1989-09-27 1989-09-27 Roentgentomografiskt foerfarande foer observering av fel och kvistar i trae.
FI894565 1989-09-27

Publications (4)

Publication Number Publication Date
FI894565A0 true FI894565A0 (fi) 1989-09-27
FI894565A FI894565A (fi) 1991-03-28
FI85769B FI85769B (fi) 1992-02-14
FI85769C FI85769C (fi) 1992-05-25

Family

ID=8529067

Family Applications (1)

Application Number Title Priority Date Filing Date
FI894565A FI85769C (fi) 1989-09-27 1989-09-27 Roentgentomografiskt foerfarande foer observering av fel och kvistar i trae.

Country Status (2)

Country Link
FI (1) FI85769C (fi)
WO (1) WO1991005245A1 (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2681950A1 (fr) * 1991-09-27 1993-04-02 Ixea Procede et dispositif de detection de corps etrangers dans des recipients transparents.
US5394342A (en) * 1993-02-26 1995-02-28 Macmillan Bloedel Limited Log scanning
FI103436B1 (fi) * 1996-02-27 1999-06-30 Bintec Oy Menetelmä liikkuvan kappaleen, kuten tukin ominaisuuksien selvittämiseksi
US5960104A (en) * 1996-08-16 1999-09-28 Virginia Polytechnic & State University Defect detection system for lumber
US7149633B2 (en) 2004-02-26 2006-12-12 Coe Newnes/Mcgettee Inc. Displacement method of knot sizing
NZ538649A (en) 2005-03-07 2006-10-27 Inst Geolog Nuclear Sciences Estimating strengths of wooden supports using gamma rays
US7571061B2 (en) 2007-04-17 2009-08-04 The United States Of America As Represented By The Secretary Of Agriculture Non-destructive method of measuring a moisture content profile across a hygroexpansive, composite material
US9241446B2 (en) 2010-10-21 2016-01-26 Instituto Superior De Agronomia Diagnostic method and treatment
CA2788399A1 (en) 2011-08-31 2013-02-28 Woodtech Measurement Solutions System and method for variability detection in bundled objects
CN104297270B (zh) * 2014-11-03 2017-02-01 长沙理工大学 一种基于ct扫描的红黏土试样含水率测试方法
SK288751B6 (sk) 2015-08-25 2020-05-04 Biatec Group A S Spôsob optimalizácie rezania plošných výrobkov z prírodného materiálu, najmä z dreva, a systém na jeho vykonávanie
CN107655978B (zh) * 2017-08-14 2020-06-23 浙江农林大学 基于速度修正插值法的木材径切面缺陷成像方法
KR200497809Y1 (ko) * 2023-11-23 2024-03-06 이전제 이동형 목재 비파괴 검사용 x-ray ct 장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034543A1 (de) * 1980-09-12 1982-04-01 Grecon Greten Gmbh & Co Kg, 3257 Springe Verfahren und vorrichtung zur beruehrungslosen bestimmung der guete von ein- oder mehrschichtigen materialien

Also Published As

Publication number Publication date
FI85769C (fi) 1992-05-25
FI85769B (fi) 1992-02-14
FI894565A (fi) 1991-03-28
WO1991005245A1 (en) 1991-04-18

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: OUTOKUMPU OY