BE787699A - Dispositif permettant de determiner une courbe de granulometried'un melange de particules - Google Patents

Dispositif permettant de determiner une courbe de granulometried'un melange de particules

Info

Publication number: BE787699A
Authority: BE; Belgium
Prior art keywords: particles; mixture; determining; granulometry; curve
Prior art date: 1971-08-25

Application number

Other languages

English (en)

French (fr)

Original Assignee

Ind Des Comp

Lasers

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.)

1971-08-25

Publication date

1973-02-19

1973-02-19 Publication of BE787699A publication Critical patent/BE787699A/xx

Classifications

- 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
- G01N15/0211—Investigating a scatter or diffraction pattern
- 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
- G01N21/59—Transmissivity
- G01N21/5907—Densitometers
- G01N21/5911—Densitometers of the scanning type
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4704—Angular selective
- G01N2021/4711—Multiangle measurement
- G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor

Landscapes

Chemical & Material Sciences (AREA)
General Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Health & Medical Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Dispersion Chemistry (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Investigating Or Analysing Biological Materials (AREA)

BE787699D 1971-08-25 Dispositif permettant de determiner une courbe de granulometried'un melange de particules BE787699A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7130802A FR2151200A5 (it)	1971-08-25	1971-08-25

Publications (1)

Publication Number	Publication Date
BE787699A true BE787699A (fr)	1973-02-19

Family

ID=9082196

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE787699D BE787699A (fr)	1971-08-25		Dispositif permettant de determiner une courbe de granulometried'un melange de particules

Country Status (10)

Country	Link
US (1)	US3807864A (it)
JP (1)	JPS5544900B2 (it)
BE (1)	BE787699A (it)
CH (1)	CH553402A (it)
DE (1)	DE2241770C3 (it)
FR (1)	FR2151200A5 (it)
GB (1)	GB1385115A (it)
IT (1)	IT964994B (it)
NL (1)	NL182912C (it)
SE (1)	SE388938B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2300337A1 (fr) *	1975-02-04	1976-09-03	Cilas	Procede et dispositif pour determiner la repartition granulometrique d'un melange de particules
DE2741321C3 (de) *	1977-09-14	1981-05-27	Wibau Industrie und Verwaltung GmbH, 6466 Gründau	Verfahren zum Bestimmen der Teilchengrößenverteilung eines fallenden oder fließenden Gutstromes durch Aufnehmen und Auswerten von Videobildern
FR2415801A2 (fr) *	1978-01-27	1979-08-24	Cilas	Procede et dispositif pour determiner la repartition granulometrique d'un melange de particules
SE7806922L (sv) *	1978-06-15	1979-12-16	Svenska Traeforskningsinst	Forfarande och anordning for att indikera storleksfordelningen av i ett strommande medium befintliga partiklar
FR2459966A1 (fr) *	1979-06-22	1981-01-16	Thery Jean Francois	Appareil de determination de l'histogramme des tailles de particules ou de globules notamment sanguins
DE2938342C2 (de) *	1979-09-21	1987-04-02	Compagnie Industrielle des Lasers S.A., Marcoussis, Essonne	Vorrichtung zur Bestimmung der Korngrößenverteilung mit Hilfe eines Diffraktometers
US4274741A (en) *	1979-09-26	1981-06-23	Compagnie Industrielle Des Lasers	Device for determining the granulometric composition of a mixture of particles by diffraction of light
DE19839512A1 (de) *	1998-08-29	2000-11-30	Christoph Berthold	Verfahren um mit Hilfe von Laserbeugungsgeräten, die gängigerweise zur Korngrößenmessung verwendet werden, Aussagen über die Geometrie (Kornform) der zu messenden Partikel zu gewinnen
US6780151B2 (en)	1999-10-26	2004-08-24	Acmi Corporation	Flexible ureteropyeloscope

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2078768A (en) *	1933-03-31	1937-04-27	Emil Huber	Method of and apparatus for measuring the energy of rays
US2862415A (en) *	1954-08-12	1958-12-02	Harry A Kuljian	Particle counting optical apparatus
US3504183A (en) *	1966-09-12	1970-03-31	Iit Res Inst	Particle counter using a variable test volume
FR2052081A5 (it) *	1969-07-11	1971-04-09	Cilas
CH520925A (fr) *	1969-07-11	1972-03-31	Cilas	Procédé permettant de déterminer une courbe de granulométrie

0
- BE BE787699D patent/BE787699A/xx not_active IP Right Cessation
1971
- 1971-08-25 FR FR7130802A patent/FR2151200A5/fr not_active Expired
1972
- 1972-08-21 CH CH1238372A patent/CH553402A/fr not_active IP Right Cessation
- 1972-08-23 NL NLAANVRAGE7211473,A patent/NL182912C/xx not_active IP Right Cessation
- 1972-08-24 IT IT69722/72A patent/IT964994B/it active
- 1972-08-24 GB GB3956972A patent/GB1385115A/en not_active Expired
- 1972-08-25 SE SE7211076A patent/SE388938B/xx unknown
- 1972-08-25 JP JP8465372A patent/JPS5544900B2/ja not_active Expired
- 1972-08-25 US US00283899A patent/US3807864A/en not_active Expired - Lifetime
- 1972-08-25 DE DE2241770A patent/DE2241770C3/de not_active Expired

Also Published As

Publication number	Publication date
DE2241770B2 (de)	1980-07-31
NL182912C (nl)	1988-06-01
NL7211473A (it)	1973-02-27
NL182912B (nl)	1988-01-04
GB1385115A (en)	1975-02-26
US3807864A (en)	1974-04-30
DE2241770C3 (de)	1981-03-26
JPS5544900B2 (it)	1980-11-14
DE2241770A1 (de)	1973-03-08
IT964994B (it)	1974-01-31
FR2151200A5 (it)	1973-04-13
CH553402A (fr)	1974-08-30
JPS4830991A (it)	1973-04-23
SE388938B (sv)	1976-10-18

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Legal Events

Date	Code	Title	Description
1992-01-01	RE20	Patent expired	Owner name: CIE INDUSTRIELLES DES LASERS Effective date: 19920818

Date

Code

Title

Description

1992-01-01

RE20

Patent expired

Owner name: CIE INDUSTRIELLES DES LASERS

Effective date: 19920818