SE9403383D0 - Paper quality measuring system - Google Patents

Paper quality measuring system

Info

Publication number
SE9403383D0
SE9403383D0 SE9403383A SE9403383A SE9403383D0 SE 9403383 D0 SE9403383 D0 SE 9403383D0 SE 9403383 A SE9403383 A SE 9403383A SE 9403383 A SE9403383 A SE 9403383A SE 9403383 D0 SE9403383 D0 SE 9403383D0
Authority
SE
Sweden
Prior art keywords
pct
ultrasonic wave
measuring system
quality measuring
paper quality
Prior art date
Application number
SE9403383A
Other languages
English (en)
Other versions
SE9403383L (sv
SE504575C2 (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 PCT/SE1995/001144 priority patent/WO1996011395A1/en
Priority to US08/809,102 priority patent/US5847281A/en
Priority to CA 2201874 priority patent/CA2201874A1/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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Paper (AREA)
  • Sanitary Thin Papers (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
PCT/SE1995/001144 WO1996011395A1 (en) 1994-10-06 1995-10-05 System for measuring ultrasonically the elastic properties of a moving paper web
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
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 true SE9403383D0 (sv) 1994-10-06
SE9403383L 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
US5847281A (en) 1998-12-08
WO1996011395A1 (en) 1996-04-18
EP0784787A1 (en) 1997-07-23
SE9403383L (sv) 1996-04-07
SE504575C2 (sv) 1997-03-10

Similar Documents

Publication Publication Date Title
KR890012710A (ko) 위상변환기를 가진 초음파 세정장치
TW344915B (en) Identification or sensor arrangement - SAW arrangement - operating with surface acoustic waves
BR9506990A (pt) Transmissor e receptor tendo processamento de sinal com base em dispositivo acoplado por carga
EP0634189A3 (en) Apparatus generating ultrasonic healing waves.
GB2065303A (en) Apparatus for establishing in vivo bone strength
SE9403383D0 (sv) Paper quality measuring system
ATE85121T1 (de) Vorrichtung zur bestimmung des flaechengewichts von blattfoermigem material.
EP0135325A3 (en) A method and device for non-invasively monitoring the instantaneous fluctuations in viscoelastic-related properties of a living tissue
ATE177581T1 (de) Verpackung
FI980649A (sv) Förfarande och anordning för att behandla riktad ljud i en akustisk vi rtualmiljö
EA199700132A1 (ru) Устройство и способ для определения жесткости листов, например банкнот
FR2544228B1 (fr) Dispositif pour le serrage et la precontrainte d'une lame de docteur elastique
FI931672A0 (sv) Förfarande och anordning för kontroll av en antenns skick
SE9403384D0 (sv) Paper quality measuring system
ES511738A0 (es) "un aparato para examinar un objeto por medio de ondas ultrasonicas".
FR2672402B1 (fr) Procede et dispositif pour la generation de nombres pseudo-aleatoires uniques.
FI961719A0 (sv) Bestämning av styrkan hos arkmaterialet medelst ultraljudstestning
KR910021595A (ko) 초음파장해물센서
ES2175176T3 (es) Metodo y dispositovo para la deteccion de un elemento electroconductor en un documento.
SE9102806L (sv) Optisk oevervakningsanordning foer att detektera om en traad aer i roerelse
FR2743929B1 (fr) Dispositif pour la generation d'ondes ultrasonores
GB2263773A (en) Vibratile sensing instrument
SE9802921D0 (sv) An apparatus and a method for monitoring the motion activity of an animal
ATE130089T1 (de) Berührungswahrnehmungs- und meldevorrichung.
AR013362A1 (es) Procedimiento y dispositivo para la medicion de los parametros del eco en lineas telefonicas

Legal Events

Date Code Title Description
NUG Patent has lapsed