FR2661749B1 - Procede et dispositif pour determiner le coefficient d'elasticite d'un materiau non rigide en defilement. - Google Patents

Procede et dispositif pour determiner le coefficient d'elasticite d'un materiau non rigide en defilement.

Info

Publication number
FR2661749B1
FR2661749B1 FR9005754A FR9005754A FR2661749B1 FR 2661749 B1 FR2661749 B1 FR 2661749B1 FR 9005754 A FR9005754 A FR 9005754A FR 9005754 A FR9005754 A FR 9005754A FR 2661749 B1 FR2661749 B1 FR 2661749B1
Authority
FR
France
Prior art keywords
elasticity
rigid
coefficient
determining
throughput material
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.)
Expired - Fee Related
Application number
FR9005754A
Other languages
English (en)
Other versions
FR2661749A1 (fr
Inventor
Guy Bonnet
Olivier Lebaigue
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.)
CENTRE TECH IND PAPIERS CARTONS
Original Assignee
CENTRE TECH IND PAPIERS CARTONS
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 CENTRE TECH IND PAPIERS CARTONS filed Critical CENTRE TECH IND PAPIERS CARTONS
Priority to FR9005754A priority Critical patent/FR2661749B1/fr
Priority to PCT/FR1991/000355 priority patent/WO1991017435A1/fr
Publication of FR2661749A1 publication Critical patent/FR2661749A1/fr
Application granted granted Critical
Publication of FR2661749B1 publication Critical patent/FR2661749B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01N33/34—Paper
    • G01N33/343—Paper pulp
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/011—Velocity or travel time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0237—Thin materials, e.g. paper, membranes, thin films
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0427—Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/103—Number of transducers one emitter, two or more receivers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FR9005754A 1990-05-02 1990-05-02 Procede et dispositif pour determiner le coefficient d'elasticite d'un materiau non rigide en defilement. Expired - Fee Related FR2661749B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9005754A FR2661749B1 (fr) 1990-05-02 1990-05-02 Procede et dispositif pour determiner le coefficient d'elasticite d'un materiau non rigide en defilement.
PCT/FR1991/000355 WO1991017435A1 (fr) 1990-05-02 1991-04-30 Procede et dispositif pour determiner en continu le coefficient d'elasticite d'un materiau non rigide en defilement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9005754A FR2661749B1 (fr) 1990-05-02 1990-05-02 Procede et dispositif pour determiner le coefficient d'elasticite d'un materiau non rigide en defilement.

Publications (2)

Publication Number Publication Date
FR2661749A1 FR2661749A1 (fr) 1991-11-08
FR2661749B1 true FR2661749B1 (fr) 1994-04-15

Family

ID=9396416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9005754A Expired - Fee Related FR2661749B1 (fr) 1990-05-02 1990-05-02 Procede et dispositif pour determiner le coefficient d'elasticite d'un materiau non rigide en defilement.

Country Status (2)

Country Link
FR (1) FR2661749B1 (fr)
WO (1) WO1991017435A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2167813C (fr) * 1993-10-22 2005-03-29 Russell J. Allan Determination de la resistance de materiaux en feuille par essai aux ultrasons
SE504576C2 (sv) * 1994-10-06 1997-03-10 Lorentzen & Wettre Ab Anordning för att med ultraljud mäta de elastiska egenskaperna hos en pappersbana i rörelse
SE504575C2 (sv) * 1994-10-06 1997-03-10 Lorentzen & Wettre Ab Anordning för ultraljudsmätning av elastiska egenskaper hos en pappersbana i rörelse
US5652388A (en) * 1995-08-21 1997-07-29 Baldwin Web Controls Apparatus and method for detecting printing press web breakage
DE102007019486A1 (de) * 2007-04-25 2008-11-06 Voith Patent Gmbh Verfahren zur Bestimmung der Festigkeit einer Faserstoffbahn in Dickenrichtung
JP2010286358A (ja) * 2009-06-11 2010-12-24 Toshiba Corp こわさ検出装置、こわさ検出方法、及びこわさ検出装置を備える紙葉類処理装置
JP2011013967A (ja) 2009-07-02 2011-01-20 Toshiba Corp こわさ検出装置、こわさ検出方法、及びこわさ検出装置を備える紙葉類処理装置
DE102011006391A1 (de) 2011-03-30 2012-10-04 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Erfassung von Parametern einer durch- oder umlaufenden Materialbahn in einer Materialverarbeitungsmaschine
EP3589943A4 (fr) * 2017-03-02 2020-12-16 Abzac Canada Inc. Procédé et système en ligne, sans contact et non destructifs pour détecter des défauts dans une structure en carton mobile
CN110849970B (zh) * 2019-11-18 2020-11-27 清华大学 材料力学属性信息的测量方法、装置及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720098A (en) * 1971-03-22 1973-03-13 Atomic Energy Commission Ultrasonic apparatus and method for nondestructively measuring the physical properties of a sample
EP0028540B1 (fr) * 1979-11-06 1983-11-09 The Electricity Council Procédé et appareil pour une mesure acoustique sans contact des propriétés physiques de bandes métalliques continuellement en mouvement
US4291577A (en) * 1979-12-03 1981-09-29 The Institute Of Paper Chemistry On line ultrasonic velocity gauge
JPS5710448A (en) * 1980-06-23 1982-01-20 Sumitomo Metal Ind Ltd Evaluation for strength of refractories
US4574634A (en) * 1984-08-09 1986-03-11 Westvaco Corporation Automatic paper testing apparatus

Also Published As

Publication number Publication date
WO1991017435A1 (fr) 1991-11-14
FR2661749A1 (fr) 1991-11-08

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070131