FI905616A - Foerfarande foer maetning av formning av en fiberbana vid en pappersmaskins banformningsdel. - Google Patents

Foerfarande foer maetning av formning av en fiberbana vid en pappersmaskins banformningsdel. Download PDF

Info

Publication number
FI905616A
FI905616A FI905616A FI905616A FI905616A FI 905616 A FI905616 A FI 905616A FI 905616 A FI905616 A FI 905616A FI 905616 A FI905616 A FI 905616A FI 905616 A FI905616 A FI 905616A
Authority
FI
Finland
Prior art keywords
fiberbana
banformningsdel
pappersmaskins
formning
vid
Prior art date
Application number
FI905616A
Other languages
English (en)
Other versions
FI87836B (fi
FI87836C (fi
FI905616A0 (fi
Inventor
Jukka Kaipila
Timo Vaajanen
Jarmo Virmo
Original Assignee
Tamfelt Oy 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 Tamfelt Oy Ab filed Critical Tamfelt Oy Ab
Publication of FI905616A0 publication Critical patent/FI905616A0/fi
Priority to FI905616A priority Critical patent/FI87836C/fi
Priority to PCT/FI1991/000334 priority patent/WO1992008995A1/en
Priority to EP19910918762 priority patent/EP0557317A1/en
Priority to JP3517696A priority patent/JPH06502243A/ja
Priority to CA 2095029 priority patent/CA2095029A1/en
Priority to PT9948091A priority patent/PT99480A/pt
Publication of FI905616A publication Critical patent/FI905616A/fi
Publication of FI87836B publication Critical patent/FI87836B/fi
Application granted granted Critical
Publication of FI87836C publication Critical patent/FI87836C/fi
Priority to NO93931653A priority patent/NO931653L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • 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
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0237—Thin materials, e.g. paper, membranes, thin films

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Acoustics & Sound (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Paper (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
FI905616A 1990-11-13 1990-11-13 Foerfarande foer maetning av formning av en fiberbana vid en pappersmaskins banformningsdel FI87836C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI905616A FI87836C (fi) 1990-11-13 1990-11-13 Foerfarande foer maetning av formning av en fiberbana vid en pappersmaskins banformningsdel
PCT/FI1991/000334 WO1992008995A1 (en) 1990-11-13 1991-11-04 A method of measuring the forming process of a fibre web within the web forming section of a paper machine
EP19910918762 EP0557317A1 (en) 1990-11-13 1991-11-04 A method of measuring the forming process of a fibre web within the web forming section of a paper machine
JP3517696A JPH06502243A (ja) 1990-11-13 1991-11-04 抄紙機の網状組織形成部での繊維の網状組織の形成工程の評価方法
CA 2095029 CA2095029A1 (en) 1990-11-13 1991-11-04 Measuring the forming process of a fibre web forming section of a paper machine
PT9948091A PT99480A (pt) 1990-11-13 1991-11-12 Processo para medir a espessura duma teia de fibras durante a sua operacao de formacao dentro da seccao de formacao da teia duma maquina de fabricacao de papel
NO93931653A NO931653L (no) 1990-11-13 1993-05-06 Fremgangsmaate til maaling av formingsprosessen for en fiberbane i baneformingsseksjonen av en papirmaskin

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI905616A FI87836C (fi) 1990-11-13 1990-11-13 Foerfarande foer maetning av formning av en fiberbana vid en pappersmaskins banformningsdel
FI905616 1990-11-13

Publications (4)

Publication Number Publication Date
FI905616A0 FI905616A0 (fi) 1990-11-13
FI905616A true FI905616A (fi) 1992-05-14
FI87836B FI87836B (fi) 1992-11-13
FI87836C FI87836C (fi) 1993-02-25

Family

ID=8531407

Family Applications (1)

Application Number Title Priority Date Filing Date
FI905616A FI87836C (fi) 1990-11-13 1990-11-13 Foerfarande foer maetning av formning av en fiberbana vid en pappersmaskins banformningsdel

Country Status (6)

Country Link
EP (1) EP0557317A1 (fi)
JP (1) JPH06502243A (fi)
CA (1) CA2095029A1 (fi)
FI (1) FI87836C (fi)
PT (1) PT99480A (fi)
WO (1) WO1992008995A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004050961B3 (de) * 2004-10-19 2006-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Bestimmung von Kennwerten und/oder der Homogenität einer offenporigen Materialschicht

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5892811A (ja) * 1980-12-08 1983-06-02 Teitsuu Denshi Kenkyusho:Kk 超音波式厚さ測定方法

Also Published As

Publication number Publication date
FI87836B (fi) 1992-11-13
CA2095029A1 (en) 1992-05-14
FI87836C (fi) 1993-02-25
FI905616A0 (fi) 1990-11-13
PT99480A (pt) 1993-12-31
JPH06502243A (ja) 1994-03-10
WO1992008995A1 (en) 1992-05-29
EP0557317A1 (en) 1993-09-01

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: TAMFELT OY AB