FR2512196B3 - - Google Patents
Info
- Publication number
- FR2512196B3 FR2512196B3 FR8214639A FR8214639A FR2512196B3 FR 2512196 B3 FR2512196 B3 FR 2512196B3 FR 8214639 A FR8214639 A FR 8214639A FR 8214639 A FR8214639 A FR 8214639A FR 2512196 B3 FR2512196 B3 FR 2512196B3
- 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/34—Paper
- G01N33/343—Paper pulp
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI812627A FI812627L (en) | 1981-08-26 | 1981-08-26 | LAENGDMAETARE FOER PAPPERSFIBER |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2512196A1 FR2512196A1 (en) | 1983-03-04 |
| FR2512196B3 true FR2512196B3 (en) | 1984-10-26 |
Family
ID=8514655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8214639A Granted FR2512196A1 (en) | 1981-08-26 | 1982-08-26 | LENGTH MEASURING APPARATUS FOR PAPER FIBERS |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5852505A (en) |
| CA (1) | CA1176839A (en) |
| DE (1) | DE3230523A1 (en) |
| FI (1) | FI812627L (en) |
| FR (1) | FR2512196A1 (en) |
| SE (1) | SE8204869L (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59114445A (en) * | 1982-12-21 | 1984-07-02 | Yamamura Glass Kk | Apparatus for detecting defect of transparent body |
| JPS60231136A (en) * | 1984-05-01 | 1985-11-16 | Kanzaki Paper Mfg Co Ltd | Measurement of fiber orientation in paper |
| DE3502406C2 (en) * | 1985-01-22 | 1987-04-23 | Dr. Peter + Steinwender Technische Geräte GmbH, 8176 Waakirchen | Method and device for the continuous, contactless determination of the length of an undivided, moving body |
| US4837446A (en) * | 1988-03-31 | 1989-06-06 | International Paper Company | Apparatus and process for testing uniformity of pulp |
| DE4118716A1 (en) * | 1990-07-16 | 1992-01-23 | Gerhart Schroff | METHOD AND ARRANGEMENT FOR THE OPTICAL DETECTION AND EVALUATION OF SPREADING LIGHT SIGNALS |
| FR2681693A1 (en) * | 1991-09-24 | 1993-03-26 | Barrat Bertrand | DEVICE FOR DIMENSIONAL ANALYSIS OF PARTICLES POSITIONED IN A PLANE. |
| US5293219A (en) * | 1991-12-31 | 1994-03-08 | Andritz Sprout-Bauer, Inc. | Fiber length analyzer |
| US5311290A (en) * | 1992-09-30 | 1994-05-10 | Pulp And Paper Research Institute Of Canada | Imaging apparatus and method of fiber analysis |
| DE19802315A1 (en) * | 1998-01-22 | 1999-07-29 | Rieter Ag Maschf | Method of measuring fibre lengths |
| US6407819B1 (en) | 1998-01-22 | 2002-06-18 | Maschinenfabrik Rieter Ag | Method and device for measuring fibre length |
| AU2003901910A0 (en) * | 2003-04-17 | 2003-05-08 | Commonwealth Scientific And Industrial Research Organisation | Method and apparatus for testing fibres |
| AU2004231118B2 (en) * | 2003-04-17 | 2009-09-17 | Commonwealth Scientific And Industrial Research Organisation | Method and apparatus for testing fibres |
| US8120769B2 (en) | 2007-08-03 | 2012-02-21 | North Carolina State University | Method and system for fiber properties measurement |
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1981
- 1981-08-26 FI FI812627A patent/FI812627L/en not_active Application Discontinuation
-
1982
- 1982-08-17 DE DE19823230523 patent/DE3230523A1/en not_active Withdrawn
- 1982-08-25 CA CA000410147A patent/CA1176839A/en not_active Expired
- 1982-08-25 SE SE8204869A patent/SE8204869L/en not_active Application Discontinuation
- 1982-08-26 FR FR8214639A patent/FR2512196A1/en active Granted
- 1982-08-26 JP JP14696982A patent/JPS5852505A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2512196A1 (en) | 1983-03-04 |
| CA1176839A (en) | 1984-10-30 |
| SE8204869L (en) | 1983-02-27 |
| JPS5852505A (en) | 1983-03-28 |
| SE8204869D0 (en) | 1982-08-25 |
| FI812627L (en) | 1983-02-27 |
| DE3230523A1 (en) | 1983-03-17 |