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GB1244374A - Improvements in or relating to apparatus and processes for sorting products by means of radiation sources - Google Patents

Improvements in or relating to apparatus and processes for sorting products by means of radiation sources

Info

Publication number
GB1244374A
GB1244374A GB40940/68A GB4094068A GB1244374A GB 1244374 A GB1244374 A GB 1244374A GB 40940/68 A GB40940/68 A GB 40940/68A GB 4094068 A GB4094068 A GB 4094068A GB 1244374 A GB1244374 A GB 1244374A
Authority
GB
United Kingdom
Prior art keywords
relating
processes
radiation sources
sorting products
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
Application number
GB40940/68A
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.)
Bureau de Recherches Geologiques et Minieres BRGM
Original Assignee
Bureau de Recherches Geologiques et Minieres BRGM
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
Priority claimed from FR120430A external-priority patent/FR1542758A/en
Application filed by Bureau de Recherches Geologiques et Minieres BRGM filed Critical Bureau de Recherches Geologiques et Minieres BRGM
Publication of GB1244374A publication Critical patent/GB1244374A/en
Expired legal-status Critical Current

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
    • G01N21/64—Fluorescence; Phosphorescence
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (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)
  • Structure Of Belt Conveyors (AREA)

Abstract

1,244,374. Endless conveyers. BUREAU DE RECHERCHES GEOLOGIQUES ET MINIERES. 27 Aug., 1968 [8 Sept., 1967; 4 June, 1968], No. 40940/68. Heading B8A. [Also in Division G1] A conveyer comprises a plurality of parallel spiral springs with their axes parallel to the direction of conveying.
GB40940/68A 1967-09-08 1968-08-27 Improvements in or relating to apparatus and processes for sorting products by means of radiation sources Expired GB1244374A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR120430A FR1542758A (en) 1967-09-08 1967-09-08 Apparatus and method used for sorting granular or block products using radiation sources
FR153674 1968-06-04

Publications (1)

Publication Number Publication Date
GB1244374A true GB1244374A (en) 1971-09-02

Family

ID=26179353

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40940/68A Expired GB1244374A (en) 1967-09-08 1968-08-27 Improvements in or relating to apparatus and processes for sorting products by means of radiation sources

Country Status (2)

Country Link
FR (1) FR1575850A (en)
GB (1) GB1244374A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002458A1 (en) * 1979-05-01 1980-11-13 Bioteknisk Inst Process for prophylactic registration of putrefaction in food
GB2121535A (en) * 1982-06-02 1983-12-21 Anglo Amer Corp South Africa Detector for use in sorting system
US5206699A (en) * 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3045317A1 (en) * 1979-12-04 1981-08-27 General Mining Union Corp. Ltd., Johannesburg, Transvaal SORTING PROCEDURE
DE3045335A1 (en) * 1979-12-04 1981-07-09 General Mining Union Corp. Ltd., Johannesburg, Transvaal METHOD FOR CORRECTING THE MEASURING ERRORS IN RADIOMETRIC SORTING SYSTEMS THROUGH LATERAL PARTICLE SHIFTING AND SORTING METHODS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002458A1 (en) * 1979-05-01 1980-11-13 Bioteknisk Inst Process for prophylactic registration of putrefaction in food
GB2121535A (en) * 1982-06-02 1983-12-21 Anglo Amer Corp South Africa Detector for use in sorting system
US5206699A (en) * 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones

Also Published As

Publication number Publication date
FR1575850A (en) 1969-07-25

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