ZA932011B - Apparatus and method for cone shaping the crown and pavilion of gemstones - Google Patents

Apparatus and method for cone shaping the crown and pavilion of gemstones

Info

Publication number
ZA932011B
ZA932011B ZA932011A ZA932011A ZA932011B ZA 932011 B ZA932011 B ZA 932011B ZA 932011 A ZA932011 A ZA 932011A ZA 932011 A ZA932011 A ZA 932011A ZA 932011 B ZA932011 B ZA 932011B
Authority
ZA
South Africa
Prior art keywords
gemstones
pavilion
crown
cone shaping
shaping
Prior art date
Application number
ZA932011A
Other languages
English (en)
Inventor
Nizam U Deen Peters
Original Assignee
Nizam U Deen Peters
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 Nizam U Deen Peters filed Critical Nizam U Deen Peters
Publication of ZA932011B publication Critical patent/ZA932011B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines 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
    • B24B9/06—Machines 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
    • B24B9/16—Machines 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
    • B24B9/162—Machines 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines 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
    • B24B9/06—Machines 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
    • B24B9/16—Machines 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
    • B24B9/168—Machines 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 grinding peripheral, e.g. conical or cylindrical, surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Adornments (AREA)
ZA932011A 1992-03-30 1993-03-22 Apparatus and method for cone shaping the crown and pavilion of gemstones ZA932011B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/860,036 US5293858A (en) 1992-03-30 1992-03-30 Apparatus and method for cone shaping the crown and pavilion of gemstones

Publications (1)

Publication Number Publication Date
ZA932011B true ZA932011B (en) 1993-10-14

Family

ID=25332360

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA932011A ZA932011B (en) 1992-03-30 1993-03-22 Apparatus and method for cone shaping the crown and pavilion of gemstones

Country Status (4)

Country Link
US (1) US5293858A (xx)
BE (1) BE1005932A6 (xx)
IL (1) IL104946A (xx)
ZA (1) ZA932011B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5462474A (en) * 1994-05-24 1995-10-31 Ronald W. Swager Method of facetting a gem
US7146827B2 (en) * 2001-05-18 2006-12-12 Diamond Innovations, Llc Mixed cut gemstone
RU2434083C1 (ru) * 2010-10-28 2011-11-20 Общество С Ограниченной Ответственностью "Гранник" Способ одновременного получения нескольких ограненных драгоценных камней из синтетического карбида кремния - муассанита
US20170355058A1 (en) * 2016-06-09 2017-12-14 Arshak Isajanyan Multiphase Cutting
US11904433B2 (en) * 2017-08-31 2024-02-20 Freedom Automation Solutions Llp Automatic gemstone polishing robot

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US172589A (en) * 1876-01-25 Improvement
US1105356A (en) * 1914-02-19 1914-07-28 James H Ludlow Diamond-cutting machine.
US2332574A (en) * 1942-07-15 1943-10-26 Harry Winston Inc Diamond girdling machine
US3202147A (en) * 1963-05-21 1965-08-24 Tno Method for making girdles
US3568368A (en) * 1968-06-03 1971-03-09 Efraim Gwircman Continuous diamond girdle polishing machine
GB2082100B (en) * 1980-08-18 1983-07-06 Wetenschappelijk En Tech Onder Method and apparatus for bruting precious or semi-precious stones

Also Published As

Publication number Publication date
BE1005932A6 (fr) 1994-03-15
US5293858A (en) 1994-03-15
IL104946A (en) 1996-01-19
IL104946A0 (en) 1993-07-08

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