DE3783971D1 - Messung von feuchtigkeitsgeschichtetem material. - Google Patents

Messung von feuchtigkeitsgeschichtetem material.

Info

Publication number
DE3783971D1
DE3783971D1 DE8787306867T DE3783971T DE3783971D1 DE 3783971 D1 DE3783971 D1 DE 3783971D1 DE 8787306867 T DE8787306867 T DE 8787306867T DE 3783971 T DE3783971 T DE 3783971T DE 3783971 D1 DE3783971 D1 DE 3783971D1
Authority
DE
Germany
Prior art keywords
humidity
measurement
layered material
layered
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.)
Expired - Lifetime
Application number
DE8787306867T
Other languages
English (en)
Inventor
Steven Perry Sturm
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.)
ACCU RAY CORP
Original Assignee
ACCU RAY 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 ACCU RAY CORP filed Critical ACCU RAY CORP
Application granted granted Critical
Publication of DE3783971D1 publication Critical patent/DE3783971D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N33/346—Paper sheets
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper
    • 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
    • G01N2021/8609—Optical head specially adapted
    • G01N2021/8618—Optical head specially adapted with an optically integrating part, e.g. hemisphere

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Spectroscopy & Molecular Physics (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)
DE8787306867T 1986-08-25 1987-08-03 Messung von feuchtigkeitsgeschichtetem material. Expired - Lifetime DE3783971D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/899,611 US4733078A (en) 1986-08-25 1986-08-25 Measurement of moisture-stratified sheet material

Publications (1)

Publication Number Publication Date
DE3783971D1 true DE3783971D1 (de) 1993-03-18

Family

ID=25411287

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787306867T Expired - Lifetime DE3783971D1 (de) 1986-08-25 1987-08-03 Messung von feuchtigkeitsgeschichtetem material.

Country Status (5)

Country Link
US (1) US4733078A (de)
EP (1) EP0257849B1 (de)
CA (1) CA1308572C (de)
DE (1) DE3783971D1 (de)
FI (1) FI873654A (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728705A1 (de) * 1987-08-28 1989-03-09 Agfa Gevaert Ag Vorrichtung zur ueberpruefung von beschichteten und unbeschichteten folien
US5049216A (en) * 1989-05-31 1991-09-17 Measurex Corporation Warp control apparatus and method for sheet material
US5270546A (en) * 1992-04-29 1993-12-14 Mpb Technologies Inc. Method and apparatus for non-contact, rapid and continuous moisture measurements
US5821536A (en) * 1995-06-07 1998-10-13 Pettit; John W. Solid state infrared gauge
US5676790A (en) * 1996-03-25 1997-10-14 Copar Corporation Corrugating machine with thermal position sensing
US6113288A (en) * 1996-06-14 2000-09-05 Eastman Kodak Company Water deposition apparatus and method
US5708904A (en) * 1996-06-14 1998-01-13 Eastman Kodak Company Photographic emulsion surface reforming method
FI112975B (fi) 1997-09-15 2004-02-13 Metso Automation Oy Menetelmä ja laitteisto paperin laatuominaisuuksien mittaamiseksi liikkuvasta paperiradasta paperikoneella
EP1287988A3 (de) * 2001-08-31 2007-11-21 WIFAG Maschinenfabrik AG Verfahren und Vorrichtung zur Detektion der Position einer Papierbahn
DE10142636B4 (de) * 2001-08-31 2006-04-20 Maschinenfabrik Wifag Verfahren und Vorrichtung zur Detektion einer Position einer bewegten Bedruckstoffbahn
FI115163B (fi) 2001-11-29 2005-03-15 Metso Automation Oy Spektrierottelevaan mittaukseen perustuva laadun- ja kunnonvalvonta
US6960769B2 (en) * 2002-10-03 2005-11-01 Abb Inc. Infrared measuring apparatus and method for on-line application in manufacturing processes
US20040177912A1 (en) * 2003-03-14 2004-09-16 James Burrows Corrugating machine with multiple thermal position sensing
US7265351B2 (en) * 2003-12-02 2007-09-04 Mpb Communications Inc. Method and apparatus for non-contact and rapid determination of liquid content
US7968860B2 (en) * 2007-07-26 2011-06-28 Honeywell International Inc System and method for measurement of degree of moisture stratification in a paper or board
US9481777B2 (en) 2012-03-30 2016-11-01 The Procter & Gamble Company Method of dewatering in a continuous high internal phase emulsion foam forming process
US9354090B2 (en) * 2013-05-22 2016-05-31 Honeywell Limited Scanning sensor arrangement for paper machines or other systems
US9796274B2 (en) 2013-05-22 2017-10-24 Honeywell Limited Power delivery system for providing power to sensor head of paper machine or other system
US10656081B2 (en) 2017-10-18 2020-05-19 The Boeing Company Synchronized phased array and infrared detector system for moisture detection
US10422742B2 (en) * 2017-10-18 2019-09-24 The Boeing Company Moisture detection system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3405268A (en) * 1965-03-12 1968-10-08 Brun Sensor Systems Inc Radiant energy absorption gage for measuring the weight of a base material and the content of a material sorbed by the base material
US3488103A (en) * 1968-03-19 1970-01-06 Webb James E Anti-glare improvement for optical imaging systems
US3662170A (en) * 1970-05-21 1972-05-09 Beloit Corp Method and apparatus for measuring the thickness moisture profile of fibrous webs
US3793524A (en) * 1972-09-05 1974-02-19 Measurex Corp Apparatus for measuring a characteristic of sheet materials
US3879607A (en) * 1973-03-28 1975-04-22 Measurex Corp Method of measuring the amount of substance associated with a base material
US4027161A (en) * 1976-04-05 1977-05-31 Industrial Nucleonics Corporation Minimizing wave interference effects on the measurement of thin films having specular surfaces using infrared radiation
US4052615A (en) * 1976-07-30 1977-10-04 Industrial Nucleonics Corporation Spherical cavity method and apparatus for measuring a sheet material property using infrared radiation
US4306151A (en) * 1978-02-03 1981-12-15 Measurex Corporation Method of measuring the amount of substance associated with a material in the presence of a contaminant
US4602160A (en) * 1983-09-28 1986-07-22 Sentrol Systems Ltd. Infrared constituent analyzer and control system
US4577104A (en) * 1984-01-20 1986-03-18 Accuray Corporation Measuring the percentage or fractional moisture content of paper having a variable infrared radiation scattering characteristic and containing a variable amount of a broadband infrared radiation absorber

Also Published As

Publication number Publication date
EP0257849B1 (de) 1993-02-03
US4733078A (en) 1988-03-22
CA1308572C (en) 1992-10-13
EP0257849A3 (en) 1989-07-19
FI873654A0 (fi) 1987-08-24
FI873654A (fi) 1988-02-26
EP0257849A2 (de) 1988-03-02

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Legal Events

Date Code Title Description
8332 No legal effect for de