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
Links
- 238000005259 measurement Methods 0.000 title 1
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)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
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)
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 |
US5708904A (en) * | 1996-06-14 | 1998-01-13 | Eastman Kodak Company | Photographic emulsion surface reforming method |
US6113288A (en) * | 1996-06-14 | 2000-09-05 | Eastman Kodak Company | Water deposition apparatus and method |
FI112975B (fi) | 1997-09-15 | 2004-02-13 | Metso Automation Oy | Menetelmä ja laitteisto paperin laatuominaisuuksien mittaamiseksi liikkuvasta paperiradasta paperikoneella |
DE10142636B4 (de) * | 2001-08-31 | 2006-04-20 | Maschinenfabrik Wifag | Verfahren und Vorrichtung zur Detektion einer Position einer bewegten Bedruckstoffbahn |
EP1287988A3 (de) * | 2001-08-31 | 2007-11-21 | WIFAG Maschinenfabrik AG | Verfahren und Vorrichtung zur Detektion der Position einer Papierbahn |
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 |
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 |
US9354090B2 (en) * | 2013-05-22 | 2016-05-31 | Honeywell Limited | Scanning sensor arrangement for paper machines or other systems |
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)
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 |
-
1986
- 1986-08-25 US US06/899,611 patent/US4733078A/en not_active Expired - Fee Related
-
1987
- 1987-08-03 DE DE8787306867T patent/DE3783971D1/de not_active Expired - Lifetime
- 1987-08-03 EP EP87306867A patent/EP0257849B1/de not_active Expired - Lifetime
- 1987-08-24 FI FI873654A patent/FI873654A/fi not_active Application Discontinuation
- 1987-08-25 CA CA000545244A patent/CA1308572C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0257849A3 (en) | 1989-07-19 |
US4733078A (en) | 1988-03-22 |
CA1308572C (en) | 1992-10-13 |
EP0257849A2 (de) | 1988-03-02 |
FI873654A (fi) | 1988-02-26 |
EP0257849B1 (de) | 1993-02-03 |
FI873654A0 (fi) | 1987-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |