DE3780210D1 - Ultraschallgeschwindigkeitsmessung in einer sich bewegenden papierbahn. - Google Patents

Ultraschallgeschwindigkeitsmessung in einer sich bewegenden papierbahn.

Info

Publication number
DE3780210D1
DE3780210D1 DE8787303654T DE3780210T DE3780210D1 DE 3780210 D1 DE3780210 D1 DE 3780210D1 DE 8787303654 T DE8787303654 T DE 8787303654T DE 3780210 T DE3780210 T DE 3780210T DE 3780210 D1 DE3780210 D1 DE 3780210D1
Authority
DE
Germany
Prior art keywords
speed measurement
moving paper
ultrasonic speed
ultrasonic
paper
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
DE8787303654T
Other languages
English (en)
Other versions
DE3780210T2 (de
Inventor
Gary Neil Burk
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.)
ACCU RAY CORP
Original Assignee
ACCU RAY 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 ACCU RAY CORP filed Critical ACCU RAY CORP
Application granted granted Critical
Publication of DE3780210D1 publication Critical patent/DE3780210D1/de
Publication of DE3780210T2 publication Critical patent/DE3780210T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
DE8787303654T 1986-05-12 1987-04-24 Ultraschallgeschwindigkeitsmessung in einer sich bewegenden papierbahn. Expired - Fee Related DE3780210T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/862,297 US4730492A (en) 1986-05-12 1986-05-12 Measuring the speed of ultrasound in a moving web of paper

Publications (2)

Publication Number Publication Date
DE3780210D1 true DE3780210D1 (de) 1992-08-13
DE3780210T2 DE3780210T2 (de) 1993-01-07

Family

ID=25338155

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787303654T Expired - Fee Related DE3780210T2 (de) 1986-05-12 1987-04-24 Ultraschallgeschwindigkeitsmessung in einer sich bewegenden papierbahn.

Country Status (4)

Country Link
US (1) US4730492A (de)
EP (1) EP0245980B1 (de)
CA (1) CA1288858C (de)
DE (1) DE3780210T2 (de)

Families Citing this family (13)

* 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
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
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
US6356846B1 (en) * 1998-10-13 2002-03-12 Institute Of Paper Science And Technology, Inc. System and method of reducing motion-induced noise in the optical detection of an ultrasound signal in a moving body of material
US6289729B1 (en) 1998-12-28 2001-09-18 Fife Corporation Ultrasonic sensor for web-guiding apparatus
US6175419B1 (en) 1999-03-24 2001-01-16 Fife Corporation Light sensor for web-guiding apparatus
EP1092806B1 (de) * 1999-10-13 2005-03-16 Metso Paper, Inc. Verfahren und Vorrichtung zur Steuerung einer Papiermaschine
WO2007033410A1 (en) * 2005-09-21 2007-03-29 Messmer Instruments Ltd Method and apparatus for measuring properties of board products
RU2614195C2 (ru) * 2015-08-11 2017-03-23 Публичное акционерное общество Научно-производственное объединение "Искра" Способы измерения параметров ультразвукового сигнала при наличии помехи
CN111005255A (zh) * 2019-11-12 2020-04-14 中山大学新华学院 一种纸机传动控制系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190510B (de) * 1964-07-11 1965-04-08 Grundig Max Vorrichtung zur magnetischen Aufzeichnung bzw. Wiedergabe hochfrequenter Signale
US4027945A (en) * 1976-03-04 1977-06-07 The United States Of America As Represented By The Secretary Of The Navy Optical sliprings
US4291577A (en) * 1979-12-03 1981-09-29 The Institute Of Paper Chemistry On line ultrasonic velocity gauge
US4404559A (en) * 1981-05-26 1983-09-13 Battelle Memorial Institute Rotative power and signal coupling
US4574634A (en) * 1984-08-09 1986-03-11 Westvaco Corporation Automatic paper testing apparatus

Also Published As

Publication number Publication date
EP0245980A3 (en) 1989-04-26
DE3780210T2 (de) 1993-01-07
CA1288858C (en) 1991-09-10
EP0245980B1 (de) 1992-07-08
US4730492A (en) 1988-03-15
EP0245980A2 (de) 1987-11-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee