FI812627A7 - Paper fiber length meter. - Google Patents

Paper fiber length meter. Download PDF

Info

Publication number: FI812627A7
Authority: FI; Finland
Prior art keywords: fiber length; paper fiber; length meter; meter; paper
Prior art date: 1981-08-26

Application number

FI812627A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI812627L (en

Inventor

Tapio Makkonen

Original Assignee

Oy Keskuslaboratorio Centrallaboratorium Ab

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.)

1981-08-26

Filing date

1981-08-26

Publication date

1983-02-27

1981-08-26 Application filed by Oy Keskuslaboratorio Centrallaboratorium Ab filed Critical Oy Keskuslaboratorio Centrallaboratorium Ab

1981-08-26 Priority to FI812627A priority Critical patent/FI812627A7/en

1982-08-17 Priority to DE19823230523 priority patent/DE3230523A1/en

1982-08-25 Priority to CA000410147A priority patent/CA1176839A/en

1982-08-25 Priority to SE8204869A priority patent/SE8204869L/en

1982-08-26 Priority to JP57146969A priority patent/JPS5852505A/en

1982-08-26 Priority to FR8214639A priority patent/FR2512196A1/en

1983-02-27 Publication of FI812627L publication Critical patent/FI812627L/en

1983-02-27 Publication of FI812627A7 publication Critical patent/FI812627A7/en

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)
General Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Physics & Mathematics (AREA)
Pathology (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
Immunology (AREA)
General Health & Medical Sciences (AREA)
Engineering & Computer Science (AREA)
Dispersion Chemistry (AREA)
Food Science & Technology (AREA)
Medicinal Chemistry (AREA)
Length Measuring Devices By Optical Means (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)

FI812627A 1981-08-26 1981-08-26 Paper fiber length meter. FI812627A7 (en)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
FI812627A FI812627A7 (en)	1981-08-26	1981-08-26	Paper fiber length meter.
DE19823230523 DE3230523A1 (en)	1981-08-26	1982-08-17	Length meter for paper fibres
CA000410147A CA1176839A (en)	1981-08-26	1982-08-25	Length measuring instrument for paper fibres
SE8204869A SE8204869L (en)	1981-08-26	1982-08-25	LENGTH METERS FOR PAPER FIBERS
JP57146969A JPS5852505A (en)	1981-08-26	1982-08-26	paper fiber length measuring device
FR8214639A FR2512196A1 (en)	1981-08-26	1982-08-26	LENGTH MEASURING APPARATUS FOR PAPER FIBERS

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI812627A FI812627A7 (en)	1981-08-26	1981-08-26	Paper fiber length meter.

Publications (2)

Publication Number	Publication Date
FI812627L FI812627L (en)	1983-02-27
FI812627A7 true FI812627A7 (en)	1983-02-27

Family

ID=8514655

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI812627A FI812627A7 (en)	1981-08-26	1981-08-26	Paper fiber length meter.

Country Status (6)

Country	Link
JP (1)	JPS5852505A (en)
CA (1)	CA1176839A (en)
DE (1)	DE3230523A1 (en)
FI (1)	FI812627A7 (en)
FR (1)	FR2512196A1 (en)
SE (1)	SE8204869L (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
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	Method for measuring paper fiber orientation
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
WO1999037973A1 (en)	1998-01-22	1999-07-29	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

1981
- 1981-08-26 FI FI812627A patent/FI812627A7/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 JP JP57146969A patent/JPS5852505A/en active Pending
- 1982-08-26 FR FR8214639A patent/FR2512196A1/en active Granted

Also Published As

Publication number	Publication date
CA1176839A (en)	1984-10-30
JPS5852505A (en)	1983-03-28
SE8204869D0 (en)	1982-08-25
SE8204869L (en)	1983-02-27
DE3230523A1 (en)	1983-03-17
FI812627L (en)	1983-02-27
FR2512196B3 (en)	1984-10-26
FR2512196A1 (en)	1983-03-04

Similar Documents

Publication	Publication Date	Title
NO156587C (en)	1987-10-14	LASER-distance measure.
FI821908A0 (en)	1982-05-31	FIBER OCH DAERAV BILDAD VAEV
EP0076861A4 (en)	1986-01-07	DISPLACEMENT MEASURING DEVICE.
FI845096L (en)	1985-06-28	FOERFARANDE FOER FRAMSTAELLNING AV EN POLARISATIONSBEVARANDE OPTISK FIBER.
NL189828C (en)	1993-08-02	FIBER OPTIC CONNECTING DEVICE.
ATE8916T1 (en)	1984-08-15	PAPERMAKING.
NO821502L (en)	1982-11-12	COLLECTIONS INSTRUMENT.
FI822102L (en)	1983-01-19	RAKKEDJIGA, BASISKA POLYMERISAT, FOERFARANDE FOER DERAS FRAMSTAELLNING OCH DERAS ANVAENDNING
FI821799A0 (en)	1982-05-20	CYCLOHEXANDIONDERIVAT, FOERFARANDE FOER DERAS FRAMSTAELLNING OCH DESSA INNEHAOLLANDE HERBICIDER
IT8220875A0 (en)	1982-04-22	COUPLER.
DE3280297D1 (en)	1991-02-28	MEASURING ARRANGEMENT.
FI812627A7 (en)	1983-02-27	Paper fiber length meter.
FI821562L (en)	1982-11-12	KOMPATIBELT, TRANSKODBART OCH HIERARKISKT DIGITALT TELEVISIONSSYSTEM
DE3578963D1 (en)	1990-09-06	OPTICAL MEASURING APPARATUS.
DK324382A (en)	1983-01-21	FIBER YARN
FI850339L (en)	1985-01-25	ANORDNING FOER LAEGESFIXERING AV AENDEN AV EN OPTISK FIBER I EN HYLSA.
NO822315L (en)	1983-02-01	KRAFT measurement system.
FI823022A0 (en)	1982-09-01	AMINO-ORGANOAMINOSILANER, DERAS FRAMSTAELLNINGSFOERFARANDE OCH DERAS ANVAENDNING
IT8219094A0 (en)	1982-01-13	COUPLER.
IT8224854A0 (en)	1982-12-20	TWISTED YARN.
FI831929L (en)	1983-05-30	RASTERBILDPROCESSOR OCH FOERFARANDE.
FI820246L (en)	1982-08-24	HANDPRESS FOER FRAMSTAELLNING AV BRAENSLEBRIKETTER AV VAOTT PAPER
FI853375A0 (en)	1985-09-03	FLUIDVAEGGREAKTOR OCH FOERFARANDE FOER FRAMSTAELLNING AV FIBER.
DE3575016D1 (en)	1990-02-01	MICRODIMENSION MEASURING APPARATUS.
IT8121394A0 (en)	1981-04-27	PROCEDURE FOR PAPER SIZING.

Legal Events

Date	Code	Title	Description
2004-08-31	FC	Application refused	Owner name: OY KESKUSLABORATORIO-CENTRALLABORATORIUM AB