OA04073A - Separation of particles by electromagnetic radiation. - Google Patents

Separation of particles by electromagnetic radiation.

Info

Publication number
OA04073A
OA04073A OA54513A OA54513A OA04073A OA 04073 A OA04073 A OA 04073A OA 54513 A OA54513 A OA 54513A OA 54513 A OA54513 A OA 54513A OA 04073 A OA04073 A OA 04073A
Authority
OA
OAPI
Prior art keywords
particles
separation
electromagnetic radiation
electromagnetic
radiation
Prior art date
Application number
OA54513A
Other languages
French (fr)
Inventor
De Beers Consolidated Limited
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 filed Critical
Publication of OA04073A publication Critical patent/OA04073A/en

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
    • B07C5/34—Sorting according to other particular properties
    • B07C5/346—Sorting according to other particular properties according to radioactive properties
OA54513A 1971-02-12 1972-03-07 Separation of particles by electromagnetic radiation. OA04073A (en)

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
OA04073A true OA04073A (en) 1979-10-30

Family

ID=25563041

Family Applications (1)

Application Number Title Priority Date Filing Date
OA54513A OA04073A (en) 1971-02-12 1972-03-07 Separation of particles by electromagnetic radiation.

Country Status (7)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429624A1 (en) * 1978-06-27 1980-01-25 Andrianavalontsalama Castel Ca Machine for sorting quartz rock - has laser which produces specific radiation waves for detection and transformation into electrical impulses for controlling grader
GB8531330D0 (en) * 1985-12-19 1986-01-29 British Petroleum Co Plc Differentiation process
GB2215041A (en) * 1988-01-29 1989-09-13 Argyle Diamond Sales 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
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
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

Also Published As

Publication number Publication date
ZA71900B (en) 1972-08-30
NL7201821A (en) 1972-08-15
GB1384813A (en) 1975-02-26
IE36075L (en) 1972-08-12
IL38744A (en) 1975-04-25
IE36075B1 (en) 1976-08-04
BE779176A (en) 1972-05-30
IL38744A0 (en) 1972-04-27

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