SE9602374L - Förfarande och anordning för oförstörande klassificering - Google Patents

Förfarande och anordning för oförstörande klassificering

Info

Publication number
SE9602374L
SE9602374L SE9602374A SE9602374A SE9602374L SE 9602374 L SE9602374 L SE 9602374L SE 9602374 A SE9602374 A SE 9602374A SE 9602374 A SE9602374 A SE 9602374A SE 9602374 L SE9602374 L SE 9602374L
Authority
SE
Sweden
Prior art keywords
movable member
conveyer
engagement
detector
stroking body
Prior art date
Application number
SE9602374A
Other languages
English (en)
Other versions
SE511602C2 (sv
SE9602374D0 (sv
Inventor
Daniel Larsson
Sven Ohlsson
Mikael Perstorper
Original Assignee
Dynalyse 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20403025&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE9602374(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dynalyse Ab filed Critical Dynalyse Ab
Priority to SE9602374A priority Critical patent/SE511602C2/sv
Publication of SE9602374D0 publication Critical patent/SE9602374D0/sv
Priority to AT97928616T priority patent/ATE303588T1/de
Priority to US09/202,535 priority patent/US6347542B1/en
Priority to EP97928616A priority patent/EP0906560B1/en
Priority to CA002258514A priority patent/CA2258514C/en
Priority to PCT/SE1997/001090 priority patent/WO1998001737A1/en
Priority to AU32824/97A priority patent/AU720772B2/en
Priority to JP50365198A priority patent/JP4074664B2/ja
Priority to NZ333450A priority patent/NZ333450A/xx
Priority to DE69734106T priority patent/DE69734106T2/de
Publication of SE9602374L publication Critical patent/SE9602374L/sv
Publication of SE511602C2 publication Critical patent/SE511602C2/sv

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/307Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/08Shock-testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/045Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/06Indicating or recording means; Sensing means
    • G01N2203/0617Electrical or magnetic indicating, recording or sensing means
    • G01N2203/0623Electrical or magnetic indicating, recording or sensing means using piezoelectric gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/01Indexing codes associated with the measuring variable
    • G01N2291/014Resonance or resonant frequency
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/023Solids
    • G01N2291/0238Wood
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/042Wave modes
    • G01N2291/0427Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/262Linear objects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/263Surfaces
    • G01N2291/2632Surfaces flat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
SE9602374A 1996-06-17 1996-06-17 Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt SE511602C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9602374A SE511602C2 (sv) 1996-06-17 1996-06-17 Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt
DE69734106T DE69734106T2 (de) 1996-06-17 1997-06-17 Verfahren und anordnung zur zerstörungsfreien klassifikation
NZ333450A NZ333450A (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification by measuring acoustic resonance frequencies of object
EP97928616A EP0906560B1 (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification
US09/202,535 US6347542B1 (en) 1996-06-17 1997-06-17 Method and arrangement for non-destructive determination of the properties of an object
AT97928616T ATE303588T1 (de) 1996-06-17 1997-06-17 Verfahren und vorrichtung zur zerstörungsfreien klassifikation
CA002258514A CA2258514C (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification
PCT/SE1997/001090 WO1998001737A1 (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification
AU32824/97A AU720772B2 (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification
JP50365198A JP4074664B2 (ja) 1996-06-17 1997-06-17 非破壊分類のための方法および装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9602374A SE511602C2 (sv) 1996-06-17 1996-06-17 Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt

Publications (3)

Publication Number Publication Date
SE9602374D0 SE9602374D0 (sv) 1996-06-17
SE9602374L true SE9602374L (sv) 1997-12-18
SE511602C2 SE511602C2 (sv) 1999-10-25

Family

ID=20403025

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9602374A SE511602C2 (sv) 1996-06-17 1996-06-17 Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt

Country Status (10)

Country Link
US (1) US6347542B1 (sv)
EP (1) EP0906560B1 (sv)
JP (1) JP4074664B2 (sv)
AT (1) ATE303588T1 (sv)
AU (1) AU720772B2 (sv)
CA (1) CA2258514C (sv)
DE (1) DE69734106T2 (sv)
NZ (1) NZ333450A (sv)
SE (1) SE511602C2 (sv)
WO (1) WO1998001737A1 (sv)

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US6769306B2 (en) 1998-12-17 2004-08-03 Carter Holt Harvey Limited Log cutting procedures
NZ333434A (en) * 1998-12-17 1999-10-28 Carter Holt Harvey Ltd Determining log length by passing ultrasonic signal through log, and using length information to determining cut positions
DE50004338D1 (de) * 1999-05-11 2003-12-11 Frank Rinn Vorrichtung zur materialuntersuchung
AU779834B2 (en) * 1999-07-30 2005-02-10 Fibre-Gen Instruments Limited Log testing apparatus
NZ503953A (en) * 2000-04-12 2002-12-20 Carter Holt Harvey Ltd Apparatus and method for estimating timber stiffness profiles of a log by determining the density profile of a cant
NZ505896A (en) * 2000-07-21 2003-05-30 Ind Res Ltd Method and apparatus for assessing or predicting characteristics of wood or other materials by varying frequency of acoustic transmitter and sensing a response
US6507798B1 (en) * 2000-10-12 2003-01-14 The United States Of America As Represented By The Secretary Of The Navy Time-frequency dependent damping via Hilbert damping spectrum
FR2820204B1 (fr) * 2001-01-29 2005-02-25 Casagrande Stephanie Delph Bos Procede d'evaluation et de controle non destructif de la qualite de panneaux
NZ527569A (en) * 2001-01-31 2005-11-25 Univ Michigan Tech System for and method of performing evaluation techniques on a log or round timber
TW509782B (en) * 2001-11-20 2002-11-11 Taiwan Forestry Res Inst Nondestructive testing technique for wood stress wave
TWI225152B (en) * 2003-01-29 2004-12-11 Taiwan Forestry Res Inst Method for non-destructive stress wave testing of wood
US20040173031A1 (en) * 2003-03-06 2004-09-09 Shlomo Gicza Mass flow measurement
GB2403338B (en) * 2003-06-24 2005-11-23 Aicom Ltd Resonance and/or vibration measurement device
US7066007B2 (en) * 2003-10-17 2006-06-27 Eyerhaeuser Company Systems and methods for predicting the bending stiffness of wood products
US6990436B1 (en) * 2003-11-28 2006-01-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Computing frequency by using generalized zero-crossing applied to intrinsic mode functions
WO2005104258A1 (ja) 2004-04-27 2005-11-03 Ngk Insulators, Ltd. 弾性体の検査方法、検査装置、及び寸法予測プログラム
NZ536818A (en) * 2004-11-24 2007-05-31 Carter Holt Harvey Ltd Tree stem or log appraising apparatus
EA011414B1 (ru) * 2005-07-15 2009-02-27 А-Сорт Аб Средства и способ классификации бревен
US7430914B2 (en) * 2005-09-16 2008-10-07 Mitsui Babcock (Us) Llc Vibration analyzing device
US7676953B2 (en) * 2006-12-29 2010-03-16 Signature Control Systems, Inc. Calibration and metering methods for wood kiln moisture measurement
US20080295602A1 (en) * 2007-06-01 2008-12-04 Gavin Wallace Method and System for Sorting Green Lumber
JP4875589B2 (ja) * 2007-11-01 2012-02-15 本田技研工業株式会社 パネルの検査装置及び検査方法
US8566041B2 (en) * 2009-08-20 2013-10-22 United States Gypsum Company Method for determining structural parameters of composite building panels
US8204698B2 (en) * 2009-08-20 2012-06-19 United States Gypsum Company Method for determining structural parameters of composite building panels
IT1398908B1 (it) * 2010-03-03 2013-03-21 Microtec Srl Metodo ed apparecchiatura per la determinazione della frequenza propria di tavole di legno
US9068902B2 (en) * 2011-05-13 2015-06-30 Fisher Controls International Llc Methods and apparatus for evaluating vibration resistance of a component of a fluid control valve
CA2890124C (en) * 2012-11-01 2021-06-15 Sp Sveriges Tekniska Forskningsinstitut Ab Method and system for automatic determination of timber quality in frozen or unfrozen condition
US9134212B2 (en) * 2013-07-08 2015-09-15 The Boeing Company Modal impact testing assembly, system and method
US9383341B2 (en) * 2013-10-29 2016-07-05 Metriguard Inc. Sonic lumber tester
EP3899486B1 (de) 2018-12-21 2022-07-20 TMD Friction Services GmbH Vorrichtung und verfahren zur ermittlung mechanischer eigenschaften eines prüfkörpers
WO2020153848A1 (en) * 2019-01-25 2020-07-30 Brookhuis Applied Technologies B.V. Automated grading of elongated wooden objects
CN109682458B (zh) * 2019-03-05 2024-05-10 重庆克来智能科技有限公司 一种检测机床及其用于检测零件固有频率的装置
US11536697B2 (en) * 2020-03-02 2022-12-27 Usnr, Llc Acoustic evaluation of wood properties
EP4227662A1 (en) * 2022-02-14 2023-08-16 GrindoSonic BV Improved positioning table for impact excitation measurements
FR3136857A1 (fr) * 2022-06-16 2023-12-22 Safran Ceramics Procede de mesure du module de rigidite axial d’une eprouvette en materiau composite a matrice ceramique

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US4722223A (en) * 1986-05-06 1988-02-02 Her Majesty The Queen In Right Of The Province Of Alberta, As Represented By The Minister Of Energy & Natural Resources Transverse vibration apparatus for grading wood panels
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US4852029A (en) * 1987-06-17 1989-07-25 Accu-Tech Incorporated Automated material classification apparatus and method
CA1322282C (en) 1989-09-29 1993-09-21 Wing-Cheong Lau Non-destructive method and apparatus for checking the quality of manufactured wood panels
US5207100A (en) 1991-07-25 1993-05-04 The United States Of America As Represented By The Secretary Of The Navy Method and device for measuring underwater vehicle hull vibration
US5255565A (en) 1991-11-12 1993-10-26 Vibra-Metrics, Inc. Method and apparatus for monitoring multiple points on a vibrating structure
US5533399A (en) * 1992-09-30 1996-07-09 Wayne State University Method and apparatus for non-destructive measurement of elastic properties of structural materials
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DE9315506U1 (de) * 1993-10-13 1993-12-02 Grecon Greten Gmbh & Co Kg Vorrichtung zur maschinellen Festigkeitssortierung von Schnittholz
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US5621172A (en) * 1995-04-03 1997-04-15 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Method and apparatus for testing material strengths

Also Published As

Publication number Publication date
WO1998001737A1 (en) 1998-01-15
EP0906560A1 (en) 1999-04-07
ATE303588T1 (de) 2005-09-15
CA2258514A1 (en) 1998-01-15
DE69734106D1 (de) 2005-10-06
SE511602C2 (sv) 1999-10-25
SE9602374D0 (sv) 1996-06-17
US6347542B1 (en) 2002-02-19
JP4074664B2 (ja) 2008-04-09
EP0906560B1 (en) 2005-08-31
DE69734106T2 (de) 2006-03-16
JP2002511921A (ja) 2002-04-16
CA2258514C (en) 2005-03-29
AU3282497A (en) 1998-02-02
AU720772B2 (en) 2000-06-08
NZ333450A (en) 2002-11-26

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