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GB475683A - A process for providing recesses and holes in diamonds - Google Patents

A process for providing recesses and holes in diamonds

Info

Publication number
GB475683A
GB475683A GB2332936A GB2332936A GB475683A GB 475683 A GB475683 A GB 475683A GB 2332936 A GB2332936 A GB 2332936A GB 2332936 A GB2332936 A GB 2332936A GB 475683 A GB475683 A GB 475683A
Authority
GB
United Kingdom
Prior art keywords
diamonds
holes
diamond
jet
providing recesses
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
GB2332936A
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority to GB2332936A priority Critical patent/GB475683A/en
Publication of GB475683A publication Critical patent/GB475683A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
    • B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

475,683. Boring diamonds. GENERAL ELECTRIC CO., Ltd. (Patent-Treuhand- Ges. fur Elektrische Gl³hlampen) Aug. 25, 1936, No. 23329. [Class 124] Recesses or holes are cut in diamonds by a jet of oxidizing gas, the diamond being surrounded by an atmosphere of reducing gas. The diamond is mounted at the upper end of a pipe from which heated hydrogen is passing, and a jet of oxygen under pressure is directed on to it.
GB2332936A 1936-08-25 1936-08-25 A process for providing recesses and holes in diamonds Expired GB475683A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2332936A GB475683A (en) 1936-08-25 1936-08-25 A process for providing recesses and holes in diamonds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2332936A GB475683A (en) 1936-08-25 1936-08-25 A process for providing recesses and holes in diamonds

Publications (1)

Publication Number Publication Date
GB475683A true GB475683A (en) 1937-11-24

Family

ID=10193844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2332936A Expired GB475683A (en) 1936-08-25 1936-08-25 A process for providing recesses and holes in diamonds

Country Status (1)

Country Link
GB (1) GB475683A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931351A (en) * 1957-04-30 1960-04-05 De Beers Cons Mines Ltd Polishing hard crystalline carbon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931351A (en) * 1957-04-30 1960-04-05 De Beers Cons Mines Ltd Polishing hard crystalline carbon

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