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GB2225109B - Sorting method and apparatus - Google Patents

Sorting method and apparatus

Info

Publication number
GB2225109B
GB2225109B GB8923592A GB8923592A GB2225109B GB 2225109 B GB2225109 B GB 2225109B GB 8923592 A GB8923592 A GB 8923592A GB 8923592 A GB8923592 A GB 8923592A GB 2225109 B GB2225109 B GB 2225109B
Authority
GB
United Kingdom
Prior art keywords
sorting method
sorting
Prior art date
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 - Lifetime
Application number
GB8923592A
Other versions
GB8923592D0 (en
GB2225109A (en
Inventor
John Olaf Hansen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De Beers Industrial Diamond Division Pty Ltd
Original Assignee
De Beers Industrial Diamond Division 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 De Beers Industrial Diamond Division Pty Ltd filed Critical De Beers Industrial Diamond Division Pty Ltd
Publication of GB8923592D0 publication Critical patent/GB8923592D0/en
Publication of GB2225109A publication Critical patent/GB2225109A/en
Application granted granted Critical
Publication of GB2225109B publication Critical patent/GB2225109B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
    • B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
    • B07C5/366—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means during free fall of the articles
    • 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
    • B07C5/3416—Sorting according to other particular properties according to radiation transmissivity, e.g. for light, x-rays, particle radiation
    • 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
    • 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
    • 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
    • G01N21/21—Polarisation-affecting properties

Landscapes

  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Toxicology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB8923592A 1988-10-19 1989-10-19 Sorting method and apparatus Expired - Lifetime GB2225109B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA887792 1988-10-19

Publications (3)

Publication Number Publication Date
GB8923592D0 GB8923592D0 (en) 1989-12-06
GB2225109A GB2225109A (en) 1990-05-23
GB2225109B true GB2225109B (en) 1992-10-28

Family

ID=25579443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8923592A Expired - Lifetime GB2225109B (en) 1988-10-19 1989-10-19 Sorting method and apparatus

Country Status (2)

Country Link
AU (1) AU624432B2 (en)
GB (1) GB2225109B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0781955B2 (en) * 1989-08-17 1995-09-06 東洋ガラス株式会社 Method for removing opaque foreign matter in transparent body
DE102004021689B4 (en) * 2004-04-30 2013-03-21 Optosort Gmbh Method and device for sorting refractive particles
CN103934221A (en) * 2014-04-28 2014-07-23 安徽捷迅光电技术有限公司 Device for preventing multi-angle lighting reflection of color sorter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB885286A (en) * 1958-10-20 1961-12-20 R W Gunson Seeds Ltd Improvements in or relating to colour sorting machines
GB929104A (en) * 1961-04-20 1963-06-19 R W Gunson Seeds Ltd Improvements relating to the sorting of translucent objects

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB885286A (en) * 1958-10-20 1961-12-20 R W Gunson Seeds Ltd Improvements in or relating to colour sorting machines
GB929104A (en) * 1961-04-20 1963-06-19 R W Gunson Seeds Ltd Improvements relating to the sorting of translucent objects

Also Published As

Publication number Publication date
AU624432B2 (en) 1992-06-11
GB8923592D0 (en) 1989-12-06
GB2225109A (en) 1990-05-23
AU4351789A (en) 1990-04-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001019