IL98052A - עבוד אבני חן - Google Patents

עבוד אבני חן

Info

Publication number
IL98052A
IL98052A IL9805291A IL9805291A IL98052A IL 98052 A IL98052 A IL 98052A IL 9805291 A IL9805291 A IL 9805291A IL 9805291 A IL9805291 A IL 9805291A IL 98052 A IL98052 A IL 98052A
Authority
IL
Israel
Prior art keywords
bruting
crown
stone
tool
image
Prior art date
Application number
IL9805291A
Other languages
English (en)
Other versions
IL98052A0 (en
Inventor
Alec Leibowitz
Peter Cooke
Original Assignee
Brilcut Patent
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
Priority claimed from GB909010176A external-priority patent/GB9010176D0/en
Priority claimed from GB909015156A external-priority patent/GB9015156D0/en
Application filed by Brilcut Patent filed Critical Brilcut Patent
Publication of IL98052A0 publication Critical patent/IL98052A0/xx
Publication of IL98052A publication Critical patent/IL98052A/he

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/16Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of diamonds; of jewels or the like; Diamond grinders' dops; Dop holders or tongs
    • B24B9/162Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of diamonds; of jewels or the like; Diamond grinders' dops; Dop holders or tongs by bruting, i.e. rubbing two precious stones against each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Adornments (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
IL9805291A 1990-05-04 1991-05-03 עבוד אבני חן IL98052A (he)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909010176A GB9010176D0 (en) 1990-05-04 1990-05-04 Working gemstones
GB909015156A GB9015156D0 (en) 1990-07-10 1990-07-10 Centering a gemstone or determining its bruted girdle diameter

Publications (2)

Publication Number Publication Date
IL98052A0 IL98052A0 (en) 1992-06-21
IL98052A true IL98052A (he) 1994-11-11

Family

ID=26297038

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9805291A IL98052A (he) 1990-05-04 1991-05-03 עבוד אבני חן

Country Status (6)

Country Link
US (1) US5179931A (he)
AU (1) AU650651B2 (he)
BE (1) BE1004893A5 (he)
GB (2) GB9109496D0 (he)
IL (1) IL98052A (he)
ZA (1) ZA913390B (he)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA934764B (en) * 1992-07-20 1994-01-26 Brilcut Patent Diamond bruting machine
US5462474A (en) * 1994-05-24 1995-10-31 Ronald W. Swager Method of facetting a gem
US7465219B2 (en) * 1994-08-12 2008-12-16 Diamicron, Inc. Brut polishing of superhard materials
JP5793014B2 (ja) * 2011-07-21 2015-10-14 株式会社不二製作所 硬質脆性材料基板の側部研磨方法
US20150065011A1 (en) * 2013-08-28 2015-03-05 Jonathan Mandelbaum Diamond Cutting Tool for Plastic Ornamentation and Method Thereof
US20170355058A1 (en) * 2016-06-09 2017-12-14 Arshak Isajanyan Multiphase Cutting
EP3766634B1 (en) * 2018-03-16 2024-08-07 Orbray Co., Ltd. Diamond crystal polishing method and diamond crystal
WO2020084394A1 (en) * 2018-10-22 2020-04-30 Socolovsky Eviatar Gemstone machining center and/or method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US943191A (en) * 1909-05-25 1909-12-14 Charles G Hull Gem-cutting machine.
GB371401A (en) * 1930-01-13 1932-04-13 Heinrich Goldmann Device for grinding diamonds
US2225193A (en) * 1937-09-15 1940-12-17 Carborundum Co Abrasive wheel
US2332574A (en) * 1942-07-15 1943-10-26 Harry Winston Inc Diamond girdling machine
US3568368A (en) * 1968-06-03 1971-03-09 Efraim Gwircman Continuous diamond girdle polishing machine
GB2018173B (en) * 1978-01-09 1982-02-03 Gersoran Sa Working gemstones
GB2074480B (en) * 1980-04-23 1983-04-07 Gersan Etablishment Working gemstones
GB2074910B (en) * 1980-04-23 1983-04-20 Gersan Etab Working gemstones
GB2080712B (en) * 1980-06-04 1983-12-21 Gersan Ets Centering and working gem stones
GB2082100B (en) * 1980-08-18 1983-07-06 Wetenschappelijk En Tech Onder Method and apparatus for bruting precious or semi-precious stones
GB2117289A (en) * 1982-03-24 1983-10-12 Nat Res Dev Grinding tools
GB2200582B (en) * 1987-01-02 1991-01-02 Brilcut Patent Working gemstones, and a device for examining gemstones for bruting
IL86762A (en) * 1988-06-16 1991-04-15 Hargem Ltd Centering apparatus for a gemstone
JP2809651B2 (ja) * 1988-11-02 1998-10-15 株式会社リコー 通信装置
IL90717A (en) * 1989-06-22 1990-09-17 Noam Gleicher Machine for polishing facets on the girdle of diamonds

Also Published As

Publication number Publication date
GB9109847D0 (en) 1991-06-26
BE1004893A5 (nl) 1993-02-16
ZA913390B (en) 1992-03-25
GB9109496D0 (en) 1991-06-26
US5179931A (en) 1993-01-19
AU650651B2 (en) 1994-06-30
GB2243565B (en) 1993-11-10
IL98052A0 (en) 1992-06-21
AU7638591A (en) 1991-11-07
GB2243565A (en) 1991-11-06

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Legal Events

Date Code Title Description
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees