FR2452099B1 - - Google Patents
Info
- Publication number
- FR2452099B1 FR2452099B1 FR8006036A FR8006036A FR2452099B1 FR 2452099 B1 FR2452099 B1 FR 2452099B1 FR 8006036 A FR8006036 A FR 8006036A FR 8006036 A FR8006036 A FR 8006036A FR 2452099 B1 FR2452099 B1 FR 2452099B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- 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
- G01N21/314—Investigating 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
Landscapes
- 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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2910673A DE2910673C2 (de) | 1979-03-19 | 1979-03-19 | Verfahren zum berührungslosen Messen des absoluten Gehaltes eines Stoffes(Beisubstanz) in einer die Form eines dünnen Filmes aufweisenden Mischung(Hauptsubstanz und Beisubstanz) mehrerer Stoffe, insbesondere zum Messen des absoluten Gehaltes von Wasser in Papier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2452099A1 FR2452099A1 (fr) | 1980-10-17 |
| FR2452099B1 true FR2452099B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-07-08 |
Family
ID=6065761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8006036A Granted FR2452099A1 (fr) | 1979-03-19 | 1980-03-18 | Procede pour la mesure de la teneur d'une substance dans une pellicule mince constituee par un melange de plusieurs produits et particulierement pour la mesure de la teneur en eau du papier |
Country Status (7)
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60620B2 (ja) * | 1979-05-21 | 1985-01-09 | 横河電機株式会社 | 紙の水分量を測定する方法および装置 |
| FI824185L (fi) * | 1981-12-07 | 1983-06-08 | Valmet Oy | Optiskt foerfarande och optisk anordning foer maetning av konsistensen av massasuspension |
| GB8325691D0 (en) * | 1983-09-26 | 1983-10-26 | Wiggins Teape Group Ltd | Measuring water content |
| US5778041A (en) * | 1983-10-13 | 1998-07-07 | Honeywell-Measurex Corporation | System and process for measuring ash in paper |
| 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 |
| US4769544A (en) * | 1984-06-01 | 1988-09-06 | Measurex Corporation | System and process for measuring fiberglass |
| WO1987002772A1 (en) * | 1985-10-22 | 1987-05-07 | Deutsche Forschungs- Und Versuchsanstalt Für Luft- | Process and device for measuring concentration |
| DE3643764A1 (de) * | 1986-12-20 | 1988-06-30 | Lippke Gmbh Co Kg Paul | Verfahren zur selektiven fuellstoffmessung an laufenden materialbahnen, insbesondere papierbahnen |
| US4928013A (en) * | 1987-02-17 | 1990-05-22 | Measurex Corporation | Temperature insensitive moisture sensor |
| US4805623A (en) * | 1987-09-04 | 1989-02-21 | Vander Corporation | Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment |
| JPH0648244B2 (ja) * | 1988-10-25 | 1994-06-22 | 横河電機株式会社 | 坪量の影響を低減した赤外線水分計 |
| US5014288A (en) * | 1989-04-20 | 1991-05-07 | Measurex Corporation | X-ray coating weight controller and sensor |
| CA2038704C (en) * | 1990-04-26 | 1996-01-30 | Ryuji Chiba | Infrared ray moisture meter |
| EP0483607B1 (de) * | 1990-11-02 | 1997-04-23 | Maschinenfabrik Rieter Ag | Verfahren zum Feststellen einer Eigenschaft eines Faserverbandes |
| US5124552A (en) * | 1991-01-28 | 1992-06-23 | Measurex Corporation | Sensor and method for measuring web moisture with optimal temperature insensitivity over a wide basis weight range |
| GB9107815D0 (en) * | 1991-04-12 | 1991-05-29 | Servomex Uk Ltd | Apparatus and method for improving the performance of a single beam photometer |
| US5338361A (en) * | 1991-11-04 | 1994-08-16 | Measurex Corporation | Multiple coat measurement and control apparatus and method |
| US5276327A (en) * | 1991-12-09 | 1994-01-04 | Measurex Corporation | Sensor and method for mesaurement of select components of a material |
| US5399859A (en) * | 1993-05-24 | 1995-03-21 | Courtaulds Fibres (Holdings) Limited | Flow meter |
| AU7047194A (en) * | 1993-06-02 | 1995-01-03 | Allied-Signal Inc. | Process for measurement of the degree of cure and percent resin of fiberglass-reinforced epoxy resin prepreg |
| US5457319A (en) * | 1993-06-02 | 1995-10-10 | Alliedsignal Inc. | Process for measurement of the degree of cure and percent resin of glass-fiber reinforced epoxy resin prepreg |
| US6229612B1 (en) * | 1998-10-12 | 2001-05-08 | The Regents Of The University Of California | Paper area density measurement from forward transmitted scattered light |
| FI115856B (fi) * | 2000-02-10 | 2005-07-29 | Metso Automation Oy | Menetelmä ja laite päällysteen mittaamiseksi |
| GB2365964B (en) * | 2000-03-24 | 2002-07-10 | Innogy Ltd | Membrane moisture measurement |
| US7088456B2 (en) * | 2004-04-24 | 2006-08-08 | Honeywell International Inc. | Thin film thickness measurement using multichannel infrared sensor |
| FI125721B (en) * | 2012-05-25 | 2016-01-29 | Valmet Automation Oy | Apparatus and method for measuring an object comprising a cellulosic material and at least one dye containing printing ink |
| FI125514B (en) * | 2012-05-25 | 2015-11-13 | Valmet Automation Oy | Apparatus and method for measuring a web containing cellulose and optionally lignin |
| CN104390880A (zh) * | 2014-11-02 | 2015-03-04 | 中南林业科技大学 | 一种木材含水率快速检测方法 |
Family Cites Families (5)
| 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 |
| US3551678A (en) * | 1967-02-13 | 1970-12-29 | Sybron Corp | Paper parameter measurement using infrared radiation |
| DE1934919A1 (de) * | 1969-07-10 | 1971-02-25 | Frieseke & Hoepfner Gmbh | Verfahren und Vorrichtung zur beruehrungslosen Messung der prozentualen Konzentration von Wasser oder einer anderen Substanz in bewegten Messgutbahnen |
| US3790796A (en) * | 1972-06-05 | 1974-02-05 | Infra Systems Inc | Method and apparatus for measurement of sheet opacity |
| DE2724919C3 (de) * | 1977-06-02 | 1979-12-06 | Paul Lippke Gmbh & Co Kg, 5450 Neuwied | Verfahren zum Messen physikalischer Eigenschaften dünner Körper mit HiUe von Ultrarot-Strahlung, z.B. zur Dickenmessung oder Feuchtigkeitsmessung |
-
1979
- 1979-03-19 DE DE2910673A patent/DE2910673C2/de not_active Expired
- 1979-05-16 BR BR7903020A patent/BR7903020A/pt unknown
- 1979-08-01 SE SE7906518A patent/SE441217B/sv not_active IP Right Cessation
- 1979-08-23 GB GB7929418A patent/GB2044443B/en not_active Expired
-
1980
- 1980-03-06 NO NO80800638A patent/NO156105C/no unknown
- 1980-03-17 DK DK114080A patent/DK114080A/da not_active Application Discontinuation
- 1980-03-18 FR FR8006036A patent/FR2452099A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2044443A (en) | 1980-10-15 |
| SE7906518L (sv) | 1980-09-20 |
| DK114080A (da) | 1980-09-20 |
| NO156105B (no) | 1987-04-13 |
| DE2910673A1 (de) | 1980-09-25 |
| NO156105C (no) | 1987-08-05 |
| BR7903020A (pt) | 1980-11-18 |
| NO800638L (no) | 1980-09-22 |
| FR2452099A1 (fr) | 1980-10-17 |
| GB2044443B (en) | 1983-04-20 |
| SE441217B (sv) | 1985-09-16 |
| DE2910673C2 (de) | 1985-08-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |