SE9403383L - Anordning för ultraljudsmätning av elastiska egenskaper hos en pappersbana i rörelse - Google Patents

Anordning för ultraljudsmätning av elastiska egenskaper hos en pappersbana i rörelse

Info

Publication number
SE9403383L
SE9403383L SE9403383A SE9403383A SE9403383L SE 9403383 L SE9403383 L SE 9403383L SE 9403383 A SE9403383 A SE 9403383A SE 9403383 A SE9403383 A SE 9403383A SE 9403383 L SE9403383 L SE 9403383L
Authority
SE
Sweden
Prior art keywords
moving web
pct
elastic properties
paper
ultrasonic wave
Prior art date
Application number
SE9403383A
Other languages
Unknown language ( )
English (en)
Other versions
SE504575C2 (sv
SE9403383D0 (sv
Inventor
Rymantas J Kazys
T Patrik Stolpe
Original Assignee
Lorentzen & Wettre 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
Application filed by Lorentzen & Wettre Ab filed Critical Lorentzen & Wettre Ab
Priority to SE9403383A priority Critical patent/SE504575C2/sv
Publication of SE9403383D0 publication Critical patent/SE9403383D0/sv
Priority to US08/809,102 priority patent/US5847281A/en
Priority to CA 2201874 priority patent/CA2201874A1/en
Priority to PCT/SE1995/001144 priority patent/WO1996011395A1/en
Priority to EP95934389A priority patent/EP0784787A1/en
Publication of SE9403383L publication Critical patent/SE9403383L/sv
Publication of SE504575C2 publication Critical patent/SE504575C2/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/008—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means by using ultrasonic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H5/00—Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure waves
    • 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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets
    • 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
    • G01N2291/02827—Elastic parameters, strength or force
    • 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
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/048—Transmission, i.e. analysed material between transmitter and 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (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)
  • Sanitary Thin Papers (AREA)
  • Paper (AREA)
SE9403383A 1994-10-06 1994-10-06 Anordning för ultraljudsmätning av elastiska egenskaper hos en pappersbana i rörelse SE504575C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9403383A SE504575C2 (sv) 1994-10-06 1994-10-06 Anordning för ultraljudsmätning av elastiska egenskaper hos en pappersbana i rörelse
US08/809,102 US5847281A (en) 1994-10-06 1995-10-05 System for measuring ultrasonically the elastic properties of a moving paper web
CA 2201874 CA2201874A1 (en) 1994-10-06 1995-10-05 System for measuring ultrasonically the elastic properties of a moving paper web
PCT/SE1995/001144 WO1996011395A1 (en) 1994-10-06 1995-10-05 System for measuring ultrasonically the elastic properties of a moving paper web
EP95934389A EP0784787A1 (en) 1994-10-06 1995-10-05 System for measuring ultrasonically the elastic properties of a moving paper web

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9403383A SE504575C2 (sv) 1994-10-06 1994-10-06 Anordning för ultraljudsmätning av elastiska egenskaper hos en pappersbana i rörelse

Publications (3)

Publication Number Publication Date
SE9403383D0 SE9403383D0 (sv) 1994-10-06
SE9403383L true SE9403383L (sv) 1996-04-07
SE504575C2 SE504575C2 (sv) 1997-03-10

Family

ID=20395501

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403383A SE504575C2 (sv) 1994-10-06 1994-10-06 Anordning för ultraljudsmätning av elastiska egenskaper hos en pappersbana i rörelse

Country Status (4)

Country Link
US (1) US5847281A (sv)
EP (1) EP0784787A1 (sv)
SE (1) SE504575C2 (sv)
WO (1) WO1996011395A1 (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781048B1 (fr) * 1998-07-10 2000-09-15 Faure Herman Mesures croisees des signaux acoustiques d'un debitmetre
DE10019497C2 (de) * 2000-04-19 2002-03-21 Siemens Ag Verfahren und Vorrichtung zur Messung der Wickelhärte einer Papierrolle
US6792807B2 (en) * 2001-04-23 2004-09-21 Cmd Corporation Method and apparatus for sensing a seal on a film
JP3673777B2 (ja) * 2001-08-21 2005-07-20 キヤノン株式会社 信号出力装置、シート材の種類判別装置及び画像形成装置
US20090178774A1 (en) * 2005-07-11 2009-07-16 Stefano Brambilla Office equipment for paper recycling
US8463560B2 (en) * 2005-09-21 2013-06-11 Testing Machines, Inc. Method and apparatus for measuring properties of board products
DE102007019486A1 (de) * 2007-04-25 2008-11-06 Voith Patent Gmbh Verfahren zur Bestimmung der Festigkeit einer Faserstoffbahn in Dickenrichtung
JP5484826B2 (ja) * 2009-08-26 2014-05-07 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 超音波診断装置
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
CN109270167B (zh) * 2018-11-01 2024-04-16 广东得胜电子有限公司 一种利用电信号测试透气纸性能的方法及装置

Family Cites Families (14)

* 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
SU489036A1 (ru) * 1974-06-27 1975-10-25 Каунасский Политехнический Институт Им.Антанаса Снечкуса Способ измерени скорости ультразвуковых колебаний в листовом материале
SU489018A1 (ru) * 1974-06-27 1975-10-25 Каунасский Политехнический Институт Им.Антанаса Снечкуса Устройство дл измерени скорости распространени ультразвуковых колебаний в движущемс листовом материале
US4291577A (en) * 1979-12-03 1981-09-29 The Institute Of Paper Chemistry On line ultrasonic velocity gauge
DE3048710A1 (de) * 1980-12-23 1982-07-15 GAO Gesellschaft für Automation und Organisation mbH, 8000 München "verfahren zur pruefung des flaechengewichts von duennem material"
US4574634A (en) * 1984-08-09 1986-03-11 Westvaco Corporation Automatic paper testing apparatus
US4688423A (en) * 1985-04-11 1987-08-25 Measurex Corporation System and process for measuring ultrasonic velocity
US4730492A (en) * 1986-05-12 1988-03-15 Accuray Corporation Measuring the speed of ultrasound in a moving web of paper
US4735087A (en) * 1987-01-20 1988-04-05 Westvaco Corporation In situ papermachine web sound velocity test
GB8826640D0 (en) * 1988-11-15 1988-12-21 Sensotect Ltd Apparatus for determining surface roughness of material
US5025665A (en) * 1989-06-01 1991-06-25 Elsag International B.V. Non-contacting on-line paper strength measuring system
FR2661749B1 (fr) * 1990-05-02 1994-04-15 Centre Tech Ind Papiers Cartons Procede et dispositif pour determiner le coefficient d'elasticite d'un materiau non rigide en defilement.
US5493910A (en) * 1992-11-03 1996-02-27 Institute Of Paper Science And Technology, Inc. Method and system of measuring ultrasonic signals in the plane of a moving web
US5398538A (en) * 1993-01-28 1995-03-21 Abb Industrial Systems Inc. On-line measurement of ultrasonic velocities in web manufacturing processes

Also Published As

Publication number Publication date
SE504575C2 (sv) 1997-03-10
SE9403383D0 (sv) 1994-10-06
EP0784787A1 (en) 1997-07-23
US5847281A (en) 1998-12-08
WO1996011395A1 (en) 1996-04-18

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