IT964994B - Dispositivo per la determinazione di una curva di granulometria di di una miscela di particelle - Google Patents

Dispositivo per la determinazione di una curva di granulometria di di una miscela di particelle

Info

Publication number
IT964994B
IT964994B IT69722/72A IT6972272A IT964994B IT 964994 B IT964994 B IT 964994B IT 69722/72 A IT69722/72 A IT 69722/72A IT 6972272 A IT6972272 A IT 6972272A IT 964994 B IT964994 B IT 964994B
Authority
IT
Italy
Prior art keywords
particles
mixture
determining
granulometry
curve
Prior art date
Application number
IT69722/72A
Other languages
English (en)
Original Assignee
Cilas
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.)
Filing date
Publication date
Application filed by Cilas filed Critical Cilas
Application granted granted Critical
Publication of IT964994B publication Critical patent/IT964994B/it

Links

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)
IT69722/72A 1971-08-25 1972-08-24 Dispositivo per la determinazione di una curva di granulometria di di una miscela di particelle IT964994B (it)

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
IT964994B true IT964994B (it) 1974-01-31

Family

ID=9082196

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69722/72A IT964994B (it) 1971-08-25 1972-08-24 Dispositivo per la determinazione di una curva di granulometria di di una miscela di particelle

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
DE2938342A1 (de) * 1979-09-21 1981-04-09 Compagnie Industrielle des Lasers S.A., Marcoussis, Essonne Vorrichtung zur bestimmung der korngroessenverteilung 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
CH520925A (fr) * 1969-07-11 1972-03-31 Cilas Procédé permettant de déterminer une courbe de granulométrie
FR2052081A5 (it) * 1969-07-11 1971-04-09 Cilas

Also Published As

Publication number Publication date
US3807864A (en) 1974-04-30
NL182912C (nl) 1988-06-01
JPS5544900B2 (it) 1980-11-14
SE388938B (sv) 1976-10-18
JPS4830991A (it) 1973-04-23
DE2241770A1 (de) 1973-03-08
BE787699A (fr) 1973-02-19
NL7211473A (it) 1973-02-27
FR2151200A5 (it) 1973-04-13
DE2241770C3 (de) 1981-03-26
NL182912B (nl) 1988-01-04
DE2241770B2 (de) 1980-07-31
CH553402A (fr) 1974-08-30
GB1385115A (en) 1975-02-26

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