NO166256C - Apparat for kontinuerlig maaling av tilstanden ved dannelse av en papirbane. - Google Patents

Apparat for kontinuerlig maaling av tilstanden ved dannelse av en papirbane.

Info

Publication number
NO166256C
NO166256C NO852764A NO852764A NO166256C NO 166256 C NO166256 C NO 166256C NO 852764 A NO852764 A NO 852764A NO 852764 A NO852764 A NO 852764A NO 166256 C NO166256 C NO 166256C
Authority
NO
Norway
Prior art keywords
sheet
paper
preparation
condition
laser beam
Prior art date
Application number
NO852764A
Other languages
English (en)
Other versions
NO852764L (no
NO166256B (no
Inventor
Jacques Sabater
Serge Bauduin
Original Assignee
Techn Ind D Papiers Cartons Et
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 Techn Ind D Papiers Cartons Et filed Critical Techn Ind D Papiers Cartons Et
Publication of NO852764L publication Critical patent/NO852764L/no
Publication of NO166256B publication Critical patent/NO166256B/no
Publication of NO166256C publication Critical patent/NO166256C/no

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/86—Investigating moving sheets

Landscapes

  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Paper (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Saccharide Compounds (AREA)
NO852764A 1984-07-17 1985-07-10 Apparat for kontinuerlig maaling av tilstanden ved dannelse av en papirbane. NO166256C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8411493A FR2568012B1 (fr) 1984-07-17 1984-07-17 Appareil pour mesurer l'etat de formation d'une feuille de papier

Publications (3)

Publication Number Publication Date
NO852764L NO852764L (no) 1986-01-20
NO166256B NO166256B (no) 1991-03-11
NO166256C true NO166256C (no) 1991-06-19

Family

ID=9306305

Family Applications (1)

Application Number Title Priority Date Filing Date
NO852764A NO166256C (no) 1984-07-17 1985-07-10 Apparat for kontinuerlig maaling av tilstanden ved dannelse av en papirbane.

Country Status (9)

Country Link
US (1) US4707223A (no)
EP (1) EP0169790B1 (no)
JP (1) JPS61111446A (no)
AT (1) ATE47755T1 (no)
CA (1) CA1235507A (no)
DE (1) DE3574051D1 (no)
FI (1) FI86479C (no)
FR (1) FR2568012B1 (no)
NO (1) NO166256C (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615953B1 (fr) * 1987-05-27 1989-07-21 Centre Tech Ind Papier Dispositif pour etalonner un appareil de mesure de l'indice de formation d'une feuille de papier
US4975578A (en) * 1989-04-17 1990-12-04 The Research Foundation Of State University Of Ny Method and apparatus for determining distribution of mass density
US5068796A (en) * 1989-12-18 1991-11-26 E. I. Du Pont De Nemours And Company Control of sheet opacity
JPH04335145A (ja) * 1991-05-13 1992-11-24 Idec Izumi Corp 織物欠陥穴検出器
US5587051A (en) * 1994-07-29 1996-12-24 Ostermayer; Volker Simplified laser apparatus and method for measuring stock thickness on papermaking machines
US6129817A (en) * 1997-07-10 2000-10-10 Westvaco Corporation Unified on-line/off-line paper web formation analyzer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE868977C (de) * 1951-11-17 1953-03-02 Walter Dr-Ing Brecht Verfahren zur objektiven Messung der Wolkigkeit von flaechenhaften Stoffen, wie Papieren, Folien, Filmen u. dgl.
FI40836B (no) * 1967-10-31 1969-02-28 Valmet Oy
FI45799C (fi) * 1971-03-23 1972-09-11 Valmet Oy Menetelmä paperin tai vastaavan kuituorientaation määräämiseksi paperi sta heijastuneen valon avulla.
US4266142A (en) * 1976-06-07 1981-05-05 Accuray Corporation Fluid system and method
SU1025767A1 (ru) * 1981-08-27 1983-06-30 Рязанский Радиотехнический Институт Устройство дл определени анизотропии механической прочности волокнистых материалов
JPS59182341A (ja) * 1983-03-31 1984-10-17 Horiba Ltd 試料発光の異方性測定装置
US4555177A (en) * 1983-12-22 1985-11-26 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for detecting singlet state resonance fluorescence

Also Published As

Publication number Publication date
FR2568012B1 (fr) 1986-10-31
JPH0523384B2 (no) 1993-04-02
EP0169790A2 (fr) 1986-01-29
ATE47755T1 (de) 1989-11-15
FI852793L (fi) 1986-01-18
FI852793A0 (fi) 1985-07-16
JPS61111446A (ja) 1986-05-29
FI86479C (fi) 1992-08-25
EP0169790A3 (en) 1986-12-17
US4707223A (en) 1987-11-17
EP0169790B1 (fr) 1989-11-02
NO852764L (no) 1986-01-20
FR2568012A1 (fr) 1986-01-24
CA1235507A (fr) 1988-04-19
NO166256B (no) 1991-03-11
DE3574051D1 (en) 1989-12-07
FI86479B (fi) 1992-05-15

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