GB2227402B - Improvements in or relating to gemstones - Google Patents

Improvements in or relating to gemstones

Info

Publication number
GB2227402B
GB2227402B GB8901711A GB8901711A GB2227402B GB 2227402 B GB2227402 B GB 2227402B GB 8901711 A GB8901711 A GB 8901711A GB 8901711 A GB8901711 A GB 8901711A GB 2227402 B GB2227402 B GB 2227402B
Authority
GB
United Kingdom
Prior art keywords
gemstones
relating
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 - Fee Related
Application number
GB8901711A
Other versions
GB8901711D0 (en
GB2227402A (en
Inventor
M Vainer Limited
Richard Louis Vainer
Martin Vainer
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.)
VAINER Ltd M
Original Assignee
VAINER Ltd M
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 VAINER Ltd M filed Critical VAINER Ltd M
Priority to GB8901711A priority Critical patent/GB2227402B/en
Publication of GB8901711D0 publication Critical patent/GB8901711D0/en
Publication of GB2227402A publication Critical patent/GB2227402A/en
Application granted granted Critical
Publication of GB2227402B publication Critical patent/GB2227402B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B24B9/163—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 of gem stones or convex surfaces, cabochons

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Adornments (AREA)
GB8901711A 1989-01-26 1989-01-26 Improvements in or relating to gemstones Expired - Fee Related GB2227402B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8901711A GB2227402B (en) 1989-01-26 1989-01-26 Improvements in or relating to gemstones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8901711A GB2227402B (en) 1989-01-26 1989-01-26 Improvements in or relating to gemstones

Publications (3)

Publication Number Publication Date
GB8901711D0 GB8901711D0 (en) 1989-03-15
GB2227402A GB2227402A (en) 1990-08-01
GB2227402B true GB2227402B (en) 1992-02-19

Family

ID=10650643

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8901711A Expired - Fee Related GB2227402B (en) 1989-01-26 1989-01-26 Improvements in or relating to gemstones

Country Status (1)

Country Link
GB (1) GB2227402B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19706573C2 (en) * 1997-02-20 2000-12-28 Atelier Bunz Gmbh Gemstone
CN102152188B (en) * 2011-01-26 2012-10-17 金华久隆机械有限公司 Adapter assembly of polishing and burnishing machine for decorations

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1299319A (en) * 1969-04-01 1972-12-13 Colorant Schmuckstein G M B H Transparent ornamental stone, particularly a finished diamond
GB1393934A (en) * 1971-07-30 1975-05-14 De Beers Ind Diamond Diamond particle particularly for use in heat sinks

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1299319A (en) * 1969-04-01 1972-12-13 Colorant Schmuckstein G M B H Transparent ornamental stone, particularly a finished diamond
GB1393934A (en) * 1971-07-30 1975-05-14 De Beers Ind Diamond Diamond particle particularly for use in heat sinks

Also Published As

Publication number Publication date
GB8901711D0 (en) 1989-03-15
GB2227402A (en) 1990-08-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990126