BR9500038A - Particle classification method and apparatus - Google Patents

Particle classification method and apparatus

Info

Publication number
BR9500038A
BR9500038A BR9500038A BR9500038A BR9500038A BR 9500038 A BR9500038 A BR 9500038A BR 9500038 A BR9500038 A BR 9500038A BR 9500038 A BR9500038 A BR 9500038A BR 9500038 A BR9500038 A BR 9500038A
Authority
BR
Brazil
Prior art keywords
classification method
particle classification
particle
classification
Prior art date
Application number
BR9500038A
Other languages
Portuguese (pt)
Inventor
Ulf Anders Staffan Tapper
Jacek Guzek
Sudhir Nundhlal Surujhlal
Original Assignee
De Beers Ind Diamond
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 Ind Diamond filed Critical De Beers Ind Diamond
Publication of BR9500038A publication Critical patent/BR9500038A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
    • 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
BR9500038A 1994-01-07 1995-01-06 Particle classification method and apparatus BR9500038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA9498 1994-01-07

Publications (1)

Publication Number Publication Date
BR9500038A true BR9500038A (en) 1995-10-03

Family

ID=25583578

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9500038A BR9500038A (en) 1994-01-07 1995-01-06 Particle classification method and apparatus

Country Status (6)

Country Link
AU (1) AU689515B2 (en)
BR (1) BR9500038A (en)
CA (1) CA2139537C (en)
GB (1) GB2285506B (en)
RU (1) RU95100772A (en)
ZA (1) ZA9551B (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19600241C2 (en) * 1995-01-13 2002-08-01 Bruker Biospin Gmbh Method and device for finding gemstones in a surrounding substance by means of magnetic resonance
AUPN226295A0 (en) * 1995-04-07 1995-05-04 Technological Resources Pty Limited A method and an apparatus for analysing a material
ATE331947T1 (en) * 2001-10-22 2006-07-15 Miconos Technology Ltd X-RAY INSPECTION SYSTEM FOR PRODUCTS, ESPECIALLY FOOD
US7949101B2 (en) 2005-12-16 2011-05-24 Rapiscan Systems, Inc. X-ray scanners and X-ray sources therefor
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
US9113839B2 (en) 2003-04-25 2015-08-25 Rapiscon Systems, Inc. X-ray inspection system and method
US8837669B2 (en) 2003-04-25 2014-09-16 Rapiscan Systems, Inc. X-ray scanning system
US8223919B2 (en) 2003-04-25 2012-07-17 Rapiscan Systems, Inc. X-ray tomographic inspection systems for the identification of specific target items
GB0525593D0 (en) 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
US8451974B2 (en) 2003-04-25 2013-05-28 Rapiscan Systems, Inc. X-ray tomographic inspection system for the identification of specific target items
DE102004001790A1 (en) * 2004-01-12 2005-08-04 Commodas Daten- Und Systemtechnik Nach Mass Gmbh Device for separating bulk materials
US7564943B2 (en) * 2004-03-01 2009-07-21 Spectramet, Llc Method and apparatus for sorting materials according to relative composition
RU2334974C2 (en) * 2004-03-12 2008-09-27 Зелльшоп Сусан Мариетта Detection of diamonds
DE102005010867A1 (en) * 2005-03-07 2006-10-19 Commodas Daten- Und Systemtechnik Nach Mass Gmbh Particle analysis or identification device for use in conveying flow, has linear sensors and processing unit calculating absorption characteristic of particles from signals of sensors of different spectral sensitivity
EP2243021B1 (en) 2008-02-15 2018-01-24 Mayo Foundation For Medical Education And Research System and method for quantitative imaging of chemical composition to decompose multiple materials
PL2198983T3 (en) 2008-12-19 2012-04-30 Omya Int Ag Method for separating mineral impurities from calcium carbonate-containing rocks by X-ray sorting
US8610019B2 (en) 2009-02-27 2013-12-17 Mineral Separation Technologies Inc. Methods for sorting materials
EP2661331B1 (en) 2011-01-07 2019-03-13 Huron Valley Steel Corporation Scrap metal sorting system
RU2465051C2 (en) * 2011-02-14 2012-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кабардино-Балкарский государственный университет им. Х.М. Бербекова" (КБГУ) Method of ore-picking
RU2470714C1 (en) * 2011-07-21 2012-12-27 Общество с ограниченной ответственностью "Лаборатория рентгенодиагностических систем" Method of separating diamonds
US9114433B2 (en) 2012-01-17 2015-08-25 Mineral Separation Technologies, Inc. Multi-fractional coal sorter and method of use thereof
US8750561B2 (en) * 2012-02-29 2014-06-10 United Technologies Corporation Method of detecting material in a part
GB201220418D0 (en) * 2012-11-13 2012-12-26 Kromek Ltd Identification of materials
GB201220419D0 (en) 2012-11-13 2012-12-26 Kromek Ltd Identification of materials
RU2551486C1 (en) * 2013-12-24 2015-05-27 Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" Method for x-ray radiometric separation of diamond-bearing materials
RU2623692C2 (en) * 2015-10-15 2017-06-28 Общество с ограниченной ответственностью "Лаборатория Скантроник" System and method for detecting diamonds in kimberlite and method for pre-beneficiating diamonds with their use
CN107470182A (en) * 2016-06-08 2017-12-15 郑州立子加速器科技有限公司 A kind of gamma-rays tobacco leaf screening plant
CN108273752A (en) * 2018-03-13 2018-07-13 顺丰科技有限公司 Dust-extraction unit and automatic sorting apparatus for automatic sorting apparatus
AU2020466611A1 (en) * 2020-09-02 2023-05-04 Botswana International University Of Science And Technology Method and system for sorting of diamonds
CN113210117A (en) * 2021-05-13 2021-08-06 盾构及掘进技术国家重点实验室 Rock sorting and crushing system based on infrared thermal imaging and microwave heating
WO2023194919A1 (en) * 2022-04-05 2023-10-12 Gem Recovery Systems Limited Method for diamond detection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU530206B2 (en) * 1979-06-26 1983-07-07 De Beers Industrial Diamond Division (Proprietary) Limited Detection of low atomic number particles
GB2091417B (en) * 1981-01-19 1985-05-01 Picker Int Ltd Apparatus for examining materials
GB8700917D0 (en) * 1987-01-16 1987-02-18 British Petroleum Co Plc Separation process
US5164590A (en) * 1990-01-26 1992-11-17 Mobil Oil Corporation Method for evaluating core samples from x-ray energy attenuation measurements
GB9211734D0 (en) * 1992-06-03 1992-07-15 Gersan Ets Prospecting for diamonds

Also Published As

Publication number Publication date
CA2139537A1 (en) 1995-07-08
AU1005495A (en) 1995-07-20
GB9500269D0 (en) 1995-03-01
GB2285506A (en) 1995-07-12
GB2285506B (en) 1998-07-01
RU95100772A (en) 1996-11-10
CA2139537C (en) 2007-04-24
AU689515B2 (en) 1998-04-02
ZA9551B (en) 1995-09-11

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 18A, 19A E 20A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.