ZA200901160B - A sorter - Google Patents

A sorter

Info

Publication number
ZA200901160B
ZA200901160B ZA200901160A ZA200901160A ZA200901160B ZA 200901160 B ZA200901160 B ZA 200901160B ZA 200901160 A ZA200901160 A ZA 200901160A ZA 200901160 A ZA200901160 A ZA 200901160A ZA 200901160 B ZA200901160 B ZA 200901160B
Authority
ZA
South Africa
Prior art keywords
sorter
Prior art date
Application number
ZA200901160A
Inventor
Adriaan Hendrikus Botha
Original Assignee
Primus Special Projects Pty Ltd
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 Primus Special Projects Pty Ltd filed Critical Primus Special Projects Pty Ltd
Priority to ZA200901160A priority Critical patent/ZA200901160B/en
Publication of ZA200901160B publication Critical patent/ZA200901160B/en

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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
    • B07C5/3427—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain by changing or intensifying the optical properties prior to scanning, e.g. by inducing fluorescence under UV or x-radiation, subjecting the material to a chemical reaction
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/064—Stray light conditioning
    • G01N2201/0642—Light traps; baffles

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (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)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
ZA200901160A 2006-08-18 2007-04-25 A sorter ZA200901160B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA200901160A ZA200901160B (en) 2006-08-18 2007-04-25 A sorter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200606911 2006-08-18
ZA200901160A ZA200901160B (en) 2006-08-18 2007-04-25 A sorter

Publications (1)

Publication Number Publication Date
ZA200901160B true ZA200901160B (en) 2010-05-26

Family

ID=38492497

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200901160A ZA200901160B (en) 2006-08-18 2007-04-25 A sorter

Country Status (2)

Country Link
WO (3) WO2008020343A2 (en)
ZA (1) ZA200901160B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2554467A (en) * 2016-09-30 2018-04-04 De Beers Uk Ltd Apparatus for sorting gemstones

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469103A (en) * 1966-01-18 1969-09-23 Navigation Computer Corp Photoelectric punched paper tape reader rejecting diffused light rays
DE3023211A1 (en) * 1979-06-28 1981-01-22 Ti Fords Ltd METHOD AND DEVICE FOR DETERMINING AN AQUEOUS LIQUID IN BOTTLES AND CONTAINERS
CA1201299A (en) * 1982-11-29 1986-03-04 Albert Brunsting Optical readhead
GB2142426B (en) * 1983-06-30 1986-09-17 Gunsons Sortex Ltd Sorting machine and method
DE3790473T (en) * 1986-08-20 1988-08-25
US4743091A (en) * 1986-10-30 1988-05-10 Daniel Gelbart Two dimensional laser diode array
GB8700917D0 (en) * 1987-01-16 1987-02-18 British Petroleum Co Plc Separation process
US4798956A (en) * 1987-07-15 1989-01-17 Hochstein Peter A Electro-optical windshield moisture sensing
US4784486A (en) * 1987-10-06 1988-11-15 Albion Instruments Multi-channel molecular gas analysis by laser-activated Raman light scattering
US5206699A (en) * 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones
US5327444A (en) * 1989-04-20 1994-07-05 Massachusetts Institute Of Technology Solid state waveguide lasers
BR9002759A (en) * 1989-06-12 1991-08-20 De Beers Ind Diamond METHOD AND APPLIANCE FOR SEPARATING PARTICULATED MINING MATERIAL
GB9103552D0 (en) * 1991-02-20 1991-04-10 Gersan Ets Classifying or sorting
US5726749A (en) * 1996-09-20 1998-03-10 Libbey-Owens-Ford Co. Method and apparatus for inspection and evaluation of angular deviation and distortion defects for transparent sheets
US5995475A (en) * 1997-11-13 1999-11-30 Cero Products Inc. Two dimensional laser diode array using multimode lasers
US6157449A (en) * 1998-10-19 2000-12-05 Symyx Technologies Depolarized light scattering array apparatus and method of using same
DE10292357D2 (en) * 2001-05-31 2004-07-01 Rap Id Particle Systems Gmbh Process for automated detection, spectroscopic analysis and identification of particles
FR2852533B1 (en) * 2003-03-20 2006-10-06 Arck Electronique HOLES DETECTION DEVICE IN CONTINUOUS BAND THREADED MATERIALS

Also Published As

Publication number Publication date
WO2008020343A2 (en) 2008-02-21
WO2008020343A3 (en) 2008-04-24
WO2008020344A1 (en) 2008-02-21
WO2008020345A1 (en) 2008-02-21

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