ZA71900B - Separation of particles by electromagnetic radiation - Google Patents

Separation of particles by electromagnetic radiation

Info

Publication number: ZA71900B
Authority: ZA; South Africa
Prior art keywords: particles; separation; electromagnetic radiation; electromagnetic; radiation
Prior art date: 1971-02-12

Application number

ZA710900A

Other languages

English (en)

Inventor

J Sellschop

Original Assignee

De Beers Cons Mines 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.)

1971-02-12

Filing date

1971-02-12

Publication date

1972-08-30

1971-02-12 Application filed by De Beers Cons Mines Ltd filed Critical De Beers Cons Mines Ltd

1971-02-12 Priority to ZA710900A priority Critical patent/ZA71900B/xx

1972-02-10 Priority to IE163/72A priority patent/IE36075B1/xx

1972-02-10 Priority to BE779176A priority patent/BE779176A/fr

1972-02-10 Priority to GB629672A priority patent/GB1384813A/en

1972-02-11 Priority to IL38744A priority patent/IL38744A/xx

1972-02-11 Priority to NL7201821A priority patent/NL7201821A/xx

1972-03-07 Priority to OA54513A priority patent/OA04073A/fr

1972-08-30 Publication of ZA71900B publication Critical patent/ZA71900B/xx

Links

230000005670 electromagnetic radiation Effects 0.000 title 1
239000002245 particle Substances 0.000 title 1
238000000926 separation method Methods 0.000 title 1

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
- B07C5/34—Sorting according to other particular properties
- B07C5/346—Sorting according to other particular properties according to radioactive properties

ZA710900A 1971-02-12 1971-02-12 Separation of particles by electromagnetic radiation ZA71900B (en)

Priority Applications (7)

Application Number	Priority Date	Filing Date	Title
ZA710900A ZA71900B (en)	1971-02-12	1971-02-12	Separation of particles by electromagnetic radiation
IE163/72A IE36075B1 (en)	1971-02-12	1972-02-10	Separation of diamonds by electro-magnetic radiation
BE779176A BE779176A (fr)	1971-02-12	1972-02-10	Procede de separation de particules par radiation electromagnetique
GB629672A GB1384813A (en)	1971-02-12	1972-02-10	Separation of diamonds by electromagnetic radiation
IL38744A IL38744A (en)	1971-02-12	1972-02-11	Separation of particles by electromagnetic radiation
NL7201821A NL7201821A (fr)	1971-02-12	1972-02-11
OA54513A OA04073A (fr)	1971-02-12	1972-03-07	Séparation de particules par radiation électromagnétique.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ZA710900A ZA71900B (en)	1971-02-12	1971-02-12	Separation of particles by electromagnetic radiation

Publications (1)

Publication Number	Publication Date
ZA71900B true ZA71900B (en)	1972-08-30

Family

ID=25563041

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA710900A ZA71900B (en)	1971-02-12	1971-02-12	Separation of particles by electromagnetic radiation

Country Status (7)

Country	Link
BE (1)	BE779176A (fr)
GB (1)	GB1384813A (fr)
IE (1)	IE36075B1 (fr)
IL (1)	IL38744A (fr)
NL (1)	NL7201821A (fr)
OA (1)	OA04073A (fr)
ZA (1)	ZA71900B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2429624A1 (fr) *	1978-06-27	1980-01-25	Andrianavalontsalama Castel Ca	Appareil et procede mis en oeuvre pour le triage de produits granuleux ou en blocs en utilisant la propriete qu'ils ont de diffuser certaines radiations
GB8531330D0 (en) *	1985-12-19	1986-01-29	British Petroleum Co Plc	Differentiation process
IL89100A0 (en) *	1988-01-29	1989-08-15	Argyle Diamond Sales	Method and apparatus for sorting and/or confirming the identity of gems
US5206699A (en) *	1988-05-06	1993-04-27	Gersan Establishment	Sensing a narrow frequency band of radiation and gemstones
GB9417665D0 (en) *	1994-09-02	1994-10-19	Gersan Ets	Distinguishing natural from synthetic diamond
US5932119A (en)	1996-01-05	1999-08-03	Lazare Kaplan International, Inc.	Laser marking system
RU2137556C1 (ru) *	1998-07-20	1999-09-20	Акционерная компания "Алмазы России-Саха"	Индикатор для контроля процесса сепарации алмазосодержащего сырья
RU2162747C1 (ru) *	1999-05-19	2001-02-10	Акционерная компания "АЛРОСА" ЗАО	Индикатор для контроля процесса сепарации алмазосодержащего сырья
RU2170628C2 (ru) *	1999-06-08	2001-07-20	Акционерная компания "АЛРОСА" (Закрытое акционерное общество)	Способ сепарации минералов
US6377340B1 (en)	1999-10-29	2002-04-23	General Electric Company	Method of detection of natural diamonds that have been processed at high pressure and high temperatures
RU2187376C1 (ru) *	2001-03-11	2002-08-20	Акционерная компания "АЛРОСА" (Закрытое акционерное общество)	Способ сепарации минералов
RU2334974C2 (ru) *	2004-03-12	2008-09-27	Зелльшоп Сусан Мариетта	Обнаружение алмазов
RU2269381C1 (ru) *	2004-06-21	2006-02-10	Акционерная компания "АЛРОСА" (ЗАО)	Имитатор алмаза для контроля процесса сепарации алмазосодержащего сырья
GB201511461D0 (en) *	2015-06-30	2015-08-12	Beers Uk De Ltd	Luminescence measurements in diamond
GB201622314D0 (en) *	2016-12-28	2017-02-08	Beers De Uk Ltd	Identification of mounted gemstones

1971
- 1971-02-12 ZA ZA710900A patent/ZA71900B/xx unknown
1972
- 1972-02-10 GB GB629672A patent/GB1384813A/en not_active Expired
- 1972-02-10 BE BE779176A patent/BE779176A/fr unknown
- 1972-02-10 IE IE163/72A patent/IE36075B1/xx unknown
- 1972-02-11 NL NL7201821A patent/NL7201821A/xx not_active Application Discontinuation
- 1972-02-11 IL IL38744A patent/IL38744A/xx unknown
- 1972-03-07 OA OA54513A patent/OA04073A/fr unknown

Also Published As

Publication number	Publication date
IL38744A (en)	1975-04-25
IL38744A0 (en)	1972-04-27
BE779176A (fr)	1972-05-30
IE36075L (en)	1972-08-12
IE36075B1 (en)	1976-08-04
GB1384813A (en)	1975-02-26
OA04073A (fr)	1979-10-30
NL7201821A (fr)	1972-08-15

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