FI56592C - Foerfarande foer maetning av fukthalten hos ett roerligt pappersark - Google Patents

Foerfarande foer maetning av fukthalten hos ett roerligt pappersark Download PDF

Info

Publication number
FI56592C
FI56592C FI333173A FI333173A FI56592C FI 56592 C FI56592 C FI 56592C FI 333173 A FI333173 A FI 333173A FI 333173 A FI333173 A FI 333173A FI 56592 C FI56592 C FI 56592C
Authority
FI
Finland
Prior art keywords
signal
paper
water
ratio
weight
Prior art date
Application number
FI333173A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI56592B (fi
Inventor
Erik Bjorn Dahlin
Carolyn May Bjorklund
Original Assignee
Measurex 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 Measurex Corp filed Critical Measurex Corp
Publication of FI56592B publication Critical patent/FI56592B/fi
Application granted granted Critical
Publication of FI56592C publication Critical patent/FI56592C/fi

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34Paper
    • G01N33/346Paper sheets

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Paper (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
FI333173A 1972-10-27 1973-10-26 Foerfarande foer maetning av fukthalten hos ett roerligt pappersark FI56592C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30152172A 1972-10-27 1972-10-27
US30152172 1972-10-27

Publications (2)

Publication Number Publication Date
FI56592B FI56592B (fi) 1979-10-31
FI56592C true FI56592C (fi) 1980-02-11

Family

ID=23163743

Family Applications (1)

Application Number Title Priority Date Filing Date
FI333173A FI56592C (fi) 1972-10-27 1973-10-26 Foerfarande foer maetning av fukthalten hos ett roerligt pappersark

Country Status (6)

Country Link
JP (2) JPS4988588A (enrdf_load_stackoverflow)
CA (1) CA1000406A (enrdf_load_stackoverflow)
FI (1) FI56592C (enrdf_load_stackoverflow)
FR (1) FR2205195A5 (enrdf_load_stackoverflow)
GB (1) GB1416619A (enrdf_load_stackoverflow)
SE (1) SE390765B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006358A (en) * 1975-06-12 1977-02-01 Measurex Corporation Method and apparatus for measuring the amount of moisture that is associated with a web of moving material
JPS5387281A (en) * 1977-01-11 1978-08-01 Toshiba Electronic Systems Optical moisture meter
GB2013881B (en) * 1978-02-03 1982-06-16 Measurex Corp Method of measuring the amount of substance associated with a material in the presence of a contaminant
JPS62288554A (ja) * 1986-06-03 1987-12-15 プ−マライセン ツツトキムスライトス オ−ワイ 連続材料ウエブの横断面の特性を測定する方法
GB2303444B (en) * 1995-07-13 1999-03-10 Protimeter Plc Method of and apparatus for detecting moisture
GB2334097C (en) * 1998-02-06 2005-09-14 British Gas Plc Method and apparatus to detect the presence of water on a surface

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS479916U (enrdf_load_stackoverflow) * 1971-03-08 1972-10-05

Also Published As

Publication number Publication date
FI56592B (fi) 1979-10-31
FR2205195A5 (enrdf_load_stackoverflow) 1974-05-24
SE390765B (sv) 1977-01-17
CA1000406A (en) 1976-11-23
JPS4988588A (enrdf_load_stackoverflow) 1974-08-23
DE2353772A1 (de) 1974-05-22
JPS5418295U (enrdf_load_stackoverflow) 1979-02-06
DE2353772B2 (de) 1977-01-27
GB1416619A (en) 1975-12-03

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