FR2512196A1 - Appareil de mesure de longueur pour fibres papetieres - Google Patents

Appareil de mesure de longueur pour fibres papetieres Download PDF

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Publication number
FR2512196A1
FR2512196A1 FR8214639A FR8214639A FR2512196A1 FR 2512196 A1 FR2512196 A1 FR 2512196A1 FR 8214639 A FR8214639 A FR 8214639A FR 8214639 A FR8214639 A FR 8214639A FR 2512196 A1 FR2512196 A1 FR 2512196A1
Authority
FR
France
Prior art keywords
length
fiber
diodes
fibers
capillary tube
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.)
Granted
Application number
FR8214639A
Other languages
English (en)
French (fr)
Other versions
FR2512196B3 (enrdf_load_stackoverflow
Inventor
Tapio Makkonen
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.)
Kajaani Oy
Original Assignee
Kajaani 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 Kajaani Oy filed Critical Kajaani Oy
Publication of FR2512196A1 publication Critical patent/FR2512196A1/fr
Application granted granted Critical
Publication of FR2512196B3 publication Critical patent/FR2512196B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01N33/343—Paper pulp
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR8214639A 1981-08-26 1982-08-26 Appareil de mesure de longueur pour fibres papetieres Granted FR2512196A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI812627A FI812627L (fi) 1981-08-26 1981-08-26 Laengdmaetare foer pappersfiber

Publications (2)

Publication Number Publication Date
FR2512196A1 true FR2512196A1 (fr) 1983-03-04
FR2512196B3 FR2512196B3 (enrdf_load_stackoverflow) 1984-10-26

Family

ID=8514655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8214639A Granted FR2512196A1 (fr) 1981-08-26 1982-08-26 Appareil de mesure de longueur pour fibres papetieres

Country Status (6)

Country Link
JP (1) JPS5852505A (enrdf_load_stackoverflow)
CA (1) CA1176839A (enrdf_load_stackoverflow)
DE (1) DE3230523A1 (enrdf_load_stackoverflow)
FI (1) FI812627L (enrdf_load_stackoverflow)
FR (1) FR2512196A1 (enrdf_load_stackoverflow)
SE (1) SE8204869L (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160304A3 (en) * 1984-05-01 1987-03-18 Kanzaki Paper Manufacturing Company Limited Method and apparatus for measuring the fiber orientation of papers
EP0467127A3 (en) * 1990-07-16 1992-09-30 Gerhart Schroff Method and device for optically detecting and evaluating scattered light signals
FR2681693A1 (fr) * 1991-09-24 1993-03-26 Barrat Bertrand Dispositif d'analyse dimensionnelle de particules positionnees dans un plan.
EP0549895A1 (en) * 1991-12-31 1993-07-07 Andritz Sprout-Bauer, Inc. Fiber Length Analyzer
WO2004092677A1 (en) * 2003-04-17 2004-10-28 Commonwealth Scientific And Industrial Research Organisation Method and apparatus for testing fibres
AU2004231118B2 (en) * 2003-04-17 2009-09-17 Commonwealth Scientific And Industrial Research Organisation Method and apparatus for testing fibres

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114445A (ja) * 1982-12-21 1984-07-02 Yamamura Glass Kk 透明体の欠陥検出装置
DE3502406C2 (de) * 1985-01-22 1987-04-23 Dr. Peter + Steinwender Technische Geräte GmbH, 8176 Waakirchen Verfahren und Einrichtung zur kontinuierlichen, berührungslosen Bestimmung der Länge eines ungeteilten, bewegten Körpers
US4837446A (en) * 1988-03-31 1989-06-06 International Paper Company Apparatus and process for testing uniformity of pulp
US5311290A (en) * 1992-09-30 1994-05-10 Pulp And Paper Research Institute Of Canada Imaging apparatus and method of fiber analysis
EP1047917B1 (de) 1998-01-22 2005-11-16 Maschinenfabrik Rieter Ag Verfahren und vorrichtung zur faserlängenmessung
DE19802315A1 (de) * 1998-01-22 1999-07-29 Rieter Ag Maschf Verfahren und Vorrichtung zur Faserlängenmessung
US8120769B2 (en) 2007-08-03 2012-02-21 North Carolina State University Method and system for fiber properties measurement

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160304A3 (en) * 1984-05-01 1987-03-18 Kanzaki Paper Manufacturing Company Limited Method and apparatus for measuring the fiber orientation of papers
EP0467127A3 (en) * 1990-07-16 1992-09-30 Gerhart Schroff Method and device for optically detecting and evaluating scattered light signals
FR2681693A1 (fr) * 1991-09-24 1993-03-26 Barrat Bertrand Dispositif d'analyse dimensionnelle de particules positionnees dans un plan.
WO1993006454A3 (fr) * 1991-09-24 1993-05-13 Thomasset S A Atel Dispositif d'analyse dimensionnelle de particules positionnees dans un plan
EP0549895A1 (en) * 1991-12-31 1993-07-07 Andritz Sprout-Bauer, Inc. Fiber Length Analyzer
US5293219A (en) * 1991-12-31 1994-03-08 Andritz Sprout-Bauer, Inc. Fiber length analyzer
WO2004092677A1 (en) * 2003-04-17 2004-10-28 Commonwealth Scientific And Industrial Research Organisation Method and apparatus for testing fibres
AU2004231118B2 (en) * 2003-04-17 2009-09-17 Commonwealth Scientific And Industrial Research Organisation Method and apparatus for testing fibres
US7729517B2 (en) 2003-04-17 2010-06-01 Commonwealth Scientific And Industrial Research Organisation Method and apparatus for testing fibres

Also Published As

Publication number Publication date
FI812627A7 (fi) 1983-02-27
JPS5852505A (ja) 1983-03-28
FI812627L (fi) 1983-02-27
SE8204869L (sv) 1983-02-27
FR2512196B3 (enrdf_load_stackoverflow) 1984-10-26
DE3230523A1 (de) 1983-03-17
CA1176839A (en) 1984-10-30
SE8204869D0 (sv) 1982-08-25

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