IT8620011A0 - Sistema e procedimento per misurare velocita' ultrasonore. - Google Patents

Sistema e procedimento per misurare velocita' ultrasonore.

Info

Publication number
IT8620011A0
IT8620011A0 IT8620011A IT2001186A IT8620011A0 IT 8620011 A0 IT8620011 A0 IT 8620011A0 IT 8620011 A IT8620011 A IT 8620011A IT 2001186 A IT2001186 A IT 2001186A IT 8620011 A0 IT8620011 A0 IT 8620011A0
Authority
IT
Italy
Prior art keywords
procedure
measuring ultrasonic
ultrasonic speed
speed
measuring
Prior art date
Application number
IT8620011A
Other languages
English (en)
Other versions
IT8620011A1 (it
IT1190084B (it
Inventor
Jorma Juhani Orkosalo
Original Assignee
Measurex Corp
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 Measurex Corp filed Critical Measurex Corp
Publication of IT8620011A0 publication Critical patent/IT8620011A0/it
Publication of IT8620011A1 publication Critical patent/IT8620011A1/it
Application granted granted Critical
Publication of IT1190084B publication Critical patent/IT1190084B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • 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
    • 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
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0237—Thin materials, e.g. paper, membranes, thin films

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
IT20011/86A 1985-04-11 1986-04-09 Sistema e procedimento per misurare velocita' ultrasonore IT1190084B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/722,570 US4688423A (en) 1985-04-11 1985-04-11 System and process for measuring ultrasonic velocity

Publications (3)

Publication Number Publication Date
IT8620011A0 true IT8620011A0 (it) 1986-04-09
IT8620011A1 IT8620011A1 (it) 1987-10-09
IT1190084B IT1190084B (it) 1988-02-10

Family

ID=24902410

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20011/86A IT1190084B (it) 1985-04-11 1986-04-09 Sistema e procedimento per misurare velocita' ultrasonore

Country Status (8)

Country Link
US (1) US4688423A (it)
EP (1) EP0199624B1 (it)
JP (1) JPS61286721A (it)
KR (1) KR860008459A (it)
CA (1) CA1257374A (it)
DE (1) DE3685605T2 (it)
FI (1) FI861365A (it)
IT (1) IT1190084B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5126946A (en) * 1990-11-13 1992-06-30 The North American Manufacturing Company Ultrasonic edge detector
CA2106515A1 (en) * 1992-11-03 1994-05-04 Maclin S. Hall Out-of-plane ultrasonic velocity measurement
WO1995011453A1 (en) * 1993-10-22 1995-04-27 Amcor Limited Strength determination of sheet materials by ultrasonic testing
SE504575C2 (sv) * 1994-10-06 1997-03-10 Lorentzen & Wettre Ab Anordning för ultraljudsmätning av elastiska egenskaper hos en pappersbana i rörelse
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
US5814730A (en) * 1996-06-10 1998-09-29 Institute Of Paper Science And Technology And Georgia Institute Of Technology Material characteristic testing method and apparatus using interferometry to detect ultrasonic signals in a web
US5922960A (en) * 1996-11-27 1999-07-13 Toda; Kohji Ultrasonic material constant measuring system
US6308570B1 (en) * 1998-06-25 2001-10-30 Institute Of Paper Science And Technology, Inc. Method and apparatus for ultrasonic characterization through the thickness direction of a moving web
DE19908973A1 (de) * 1999-03-02 2000-09-07 Voith Sulzer Papiertech Patent Verfahren zur Regelung des Reißlängenverhältnisses einer erzeugten Papierbahn und Papiermaschine
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
US7426062B2 (en) * 2001-08-21 2008-09-16 Canon Kabushiki Kaisha Signal output apparatus, image forming apparatus and information output apparatus
WO2003101871A1 (fr) * 2002-06-04 2003-12-11 Canon Kabushiki Kaisha Procede de detection d'alimentation en double de feuilles et dispositif servant a detecter l'alimentation en double de feuilles
JP2004161444A (ja) * 2002-11-14 2004-06-10 Canon Inc シート材判別装置
JP4143417B2 (ja) * 2003-01-06 2008-09-03 キヤノン株式会社 シート材判別方法、シート材判別装置及び画像形成装置
US8463560B2 (en) * 2005-09-21 2013-06-11 Testing Machines, Inc. Method and apparatus for measuring properties of board products
JP2007322558A (ja) 2006-05-30 2007-12-13 Canon Inc 水分量推定装置、シート材処理装置、水分量推定方法、及びシート材処理方法
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
GB201403393D0 (en) * 2014-02-26 2014-04-09 Sinvent As Methods and systems for measuring properties with ultrasound

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678737A (en) * 1969-06-12 1972-07-25 North American Rockwell Tubular transducer and dry couplant therefor
GB1294404A (en) * 1970-03-03 1972-10-25 Secr Defence Improvements in ultrasonic inspection devices
US3628375A (en) * 1970-04-28 1971-12-21 Dominick A Pagano Apparatus for ultrasonic inspection of a length of test material
US3612920A (en) * 1970-10-05 1971-10-12 Branson Instr Wheel-type transducer probe
US3822588A (en) * 1970-11-02 1974-07-09 R Knight Apparatus for measuring the hardness of material
SU838402A1 (ru) * 1978-11-17 1981-06-15 Каунасский Политехнический Институтим. Ahtahaca Снечкуса Устройство дл измерени скоростиРАСпРОСТРАНЕНи ульТРАзВуКОВыХ КОлЕбАНийВ дВижущЕМС лиСТОВОМ МАТЕРиАлЕ
GB2055201B (en) * 1979-07-19 1983-07-20 British Gas Corp Pressure-balanced probe
DE3065554D1 (en) * 1979-11-06 1983-12-15 Electricity Council Method and apparatus for non-contact acoustic measurement of physical properties of continuously moving metal strip
US4291577A (en) * 1979-12-03 1981-09-29 The Institute Of Paper Chemistry On line ultrasonic velocity gauge
GB2128739B (en) * 1982-09-15 1986-05-21 Schlumberger Electronics Ultrasonic inspection devices
US4574634A (en) * 1984-08-09 1986-03-11 Westvaco Corporation Automatic paper testing apparatus

Also Published As

Publication number Publication date
IT8620011A1 (it) 1987-10-09
EP0199624A3 (en) 1989-07-12
IT1190084B (it) 1988-02-10
EP0199624B1 (en) 1992-06-10
JPS61286721A (ja) 1986-12-17
FI861365A (fi) 1986-10-12
DE3685605T2 (de) 1992-12-24
CA1257374A (en) 1989-07-11
EP0199624A2 (en) 1986-10-29
DE3685605D1 (de) 1992-07-16
US4688423A (en) 1987-08-25
KR860008459A (ko) 1986-11-15
FI861365A0 (fi) 1986-03-27

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