GB2018173B - Working gemstones - Google Patents

Working gemstones

Info

Publication number
GB2018173B
GB2018173B GB7900109A GB7900109A GB2018173B GB 2018173 B GB2018173 B GB 2018173B GB 7900109 A GB7900109 A GB 7900109A GB 7900109 A GB7900109 A GB 7900109A GB 2018173 B GB2018173 B GB 2018173B
Authority
GB
United Kingdom
Prior art keywords
gemstones
working
working gemstones
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
GB7900109A
Other versions
GB2018173A (en
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.)
GERSORAN SA
Original Assignee
GERSORAN SA
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 GERSORAN SA filed Critical GERSORAN SA
Publication of GB2018173A publication Critical patent/GB2018173A/en
Application granted granted Critical
Publication of GB2018173B publication Critical patent/GB2018173B/en
Expired 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
    • B24B9/162—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
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB7900109A 1978-01-09 1979-01-03 Working gemstones Expired GB2018173B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB76878 1978-01-09
GB7839667 1978-10-06

Publications (2)

Publication Number Publication Date
GB2018173A GB2018173A (en) 1979-10-17
GB2018173B true GB2018173B (en) 1982-02-03

Family

ID=26236177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7900109A Expired GB2018173B (en) 1978-01-09 1979-01-03 Working gemstones

Country Status (5)

Country Link
BE (1) BE873364A (en)
GB (1) GB2018173B (en)
IL (1) IL56399A (en)
IN (1) IN151900B (en)
NL (1) NL189653C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL92642A (en) * 1989-12-11 1991-11-21 Legziel Brothers Ltd Diamond bruting system
GB9109496D0 (en) * 1990-05-04 1991-06-26 Brilcut Patent Working gemstones
IL106030A (en) * 1992-06-19 1997-03-18 Brilcut Patent Grinding of gemstones
CN101885157B (en) * 2010-06-23 2013-01-09 张岳恩 Station transfer mechanism for full-automatic diamond polishing system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE678120A (en) *
CH422624A (en) * 1961-12-19 1966-10-15 Tno Process for making girdles
GB1046748A (en) * 1963-09-18 1966-10-26 Jean Rene Marie Michielsen Process and apparatus for the preparatory grinding of rough conical shapes on precious stones

Also Published As

Publication number Publication date
GB2018173A (en) 1979-10-17
IL56399A0 (en) 1979-03-12
NL189653B (en) 1993-01-18
NL7900118A (en) 1979-07-11
NL189653C (en) 1993-06-16
IN151900B (en) 1983-08-27
BE873364A (en) 1979-05-02
IL56399A (en) 1981-12-31

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19990102