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SE312938B - - Google Patents

Info

Publication number
SE312938B
SE312938B SE12673/65A SE1267365A SE312938B SE 312938 B SE312938 B SE 312938B SE 12673/65 A SE12673/65 A SE 12673/65A SE 1267365 A SE1267365 A SE 1267365A SE 312938 B SE312938 B SE 312938B
Authority
SE
Sweden
Prior art keywords
crystal
wire
pulp
echoes
signals
Prior art date
Application number
SE12673/65A
Other languages
English (en)
Inventor
A Lehtinen
Original Assignee
Valmet Oy
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 Valmet Oy filed Critical Valmet Oy
Publication of SE312938B publication Critical patent/SE312938B/xx

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
    • 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
    • G01N29/02—Analysing fluids

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Paper (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
SE12673/65A 1964-11-17 1965-09-30 SE312938B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI241164 1964-11-17

Publications (1)

Publication Number Publication Date
SE312938B true SE312938B (fr) 1969-07-28

Family

ID=8507064

Family Applications (1)

Application Number Title Priority Date Filing Date
SE12673/65A SE312938B (fr) 1964-11-17 1965-09-30

Country Status (4)

Country Link
US (1) US3442756A (fr)
DE (1) DE1598889C3 (fr)
GB (1) GB1046760A (fr)
SE (1) SE312938B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK144044C (da) * 1979-05-10 1982-05-17 Danfoss As Ultralydmaaleprobe til brug ved akustisk maaling af vaeskers massefylde
SE428809B (sv) * 1981-12-01 1983-07-25 Karlstad Mekaniska Ab Sett och anordning for att under drift av en inloppslada eller liknande meldavgivande don for en pappersmaskin erhalla information om storleken av en meltutloppsspalt
US4494408A (en) * 1982-07-27 1985-01-22 Ford Aerospace & Communications Corporation Method and apparatus for non-destructive testing of composite materials
FI71018C (fi) * 1983-07-06 1986-10-27 Valmet Oy Foerfarande baserande sig pao ekolodning med ultraljud foer at foelja med banbildningen och/eller massasuspensionsstroe mmn pao en viradel och/eller i en inloppslaoda i en pappers makin och anordning foer tillaempning av foerfarandet samt vanendning av foerfarandet och/eller anordningen
US4789431A (en) * 1987-07-31 1988-12-06 Impact Systems, Inc. Apparatus for sensing the thickness of a pulp suspension on the forming wire of a paper machine
DE10247555A1 (de) * 2002-10-11 2004-04-22 Voith Paper Patent Gmbh Verfahren zur Herstellung einer Faserstoffbahn und Überwachungssystem
US7151380B2 (en) * 2004-08-06 2006-12-19 Voith Paper Patent Gmbh Microwave water weight sensor and process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2280226A (en) * 1940-05-27 1942-04-21 Floyd A Firestone Flaw detecting device and measuring instrument
US2527208A (en) * 1944-07-27 1950-10-24 Gen Electric Supersonic testing apparatus
US2755662A (en) * 1953-05-01 1956-07-24 Honeywell Regulator Co Ultrasonic absorption measuring apparatus
US2909660A (en) * 1957-11-26 1959-10-20 Industrial Nucleonics Corp Measuring and controlling system
US3024404A (en) * 1959-07-15 1962-03-06 Lab For Electronics Inc Servomotor control system
US3093998A (en) * 1959-11-06 1963-06-18 Grumman Aircraft Engineering C Method for testing fluids for particle contamination

Also Published As

Publication number Publication date
US3442756A (en) 1969-05-06
DE1598889A1 (de) 1970-06-04
DE1598889C3 (de) 1974-08-15
DE1598889B2 (de) 1974-01-17
GB1046760A (en) 1966-10-26

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