GB2199657B - Diamond sorting - Google Patents
Diamond sortingInfo
- Publication number
- GB2199657B GB2199657B GB8726532A GB8726532A GB2199657B GB 2199657 B GB2199657 B GB 2199657B GB 8726532 A GB8726532 A GB 8726532A GB 8726532 A GB8726532 A GB 8726532A GB 2199657 B GB2199657 B GB 2199657B
- Authority
- GB
- United Kingdom
- Prior art keywords
- diamond sorting
- diamond
- 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
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
- B07C5/342—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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (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)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA868581 | 1986-11-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8726532D0 GB8726532D0 (en) | 1987-12-16 |
GB2199657A GB2199657A (en) | 1988-07-13 |
GB2199657B true GB2199657B (en) | 1990-12-12 |
Family
ID=25578628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8726532A Expired - Lifetime GB2199657B (en) | 1986-11-12 | 1987-11-12 | Diamond sorting |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU595660B2 (en) |
BR (1) | BR8706126A (en) |
GB (1) | GB2199657B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5206699A (en) | 1988-05-06 | 1993-04-27 | Gersan Establishment | Sensing a narrow frequency band of radiation and gemstones |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0714807B2 (en) * | 1986-08-20 | 1995-02-22 | ド ビアーズ コンソリデイティッド マインズ リミテッド | Separation method |
BE1002936A4 (en) * | 1988-01-29 | 1991-09-03 | Argyle Diamond Sales Ltd | METHOD AND APPARATUS FOR SORTING AND / OR CONFIRMING THE IDENTIFICATION OF PRECIOUS STONES. |
GB2219082B (en) * | 1988-05-06 | 1992-08-26 | Gersan Ets | A method of identifying specific objects or zones |
IL92133A (en) * | 1989-10-27 | 1993-01-31 | Uri Neta Haifa And Aharon Yifr | Method and apparatus for identifying gemstones, particularly diamonds |
GB9103552D0 (en) * | 1991-02-20 | 1991-04-10 | Gersan Ets | Classifying or sorting |
GB2504052B (en) * | 2012-03-16 | 2017-05-10 | De Beers Uk Ltd | Sorting aggregate material |
CN106269564B (en) * | 2016-08-23 | 2019-05-14 | 北京柯林柯矿业科技有限公司 | Ore sorting process and equipment based on image recognition technology and mechanical arm |
CN112916407A (en) * | 2020-04-29 | 2021-06-08 | 江苏旷博智能技术有限公司 | Method for sorting coal and gangue |
CN117120831A (en) * | 2021-04-28 | 2023-11-24 | 住友电工硬质合金株式会社 | Method and device for measuring nitrogen concentration of diamond |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2140555A (en) * | 1983-05-24 | 1984-11-28 | British Petroleum Co Plc | Diamond separation |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA757668B (en) * | 1975-12-08 | 1977-07-27 | De Beers Cons Mines Ltd | Separation of materials |
-
1987
- 1987-11-12 BR BR8706126A patent/BR8706126A/en not_active Application Discontinuation
- 1987-11-12 GB GB8726532A patent/GB2199657B/en not_active Expired - Lifetime
- 1987-11-12 AU AU81179/87A patent/AU595660B2/en not_active Ceased
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2140555A (en) * | 1983-05-24 | 1984-11-28 | British Petroleum Co Plc | Diamond separation |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
---|---|
GB8726532D0 (en) | 1987-12-16 |
BR8706126A (en) | 1988-06-14 |
AU8117987A (en) | 1988-05-19 |
GB2199657A (en) | 1988-07-13 |
AU595660B2 (en) | 1990-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20001112 |