ZA812625B - Working gemstones - Google Patents

Working gemstones

Info

Publication number
ZA812625B
ZA812625B ZA00812625A ZA812625A ZA812625B ZA 812625 B ZA812625 B ZA 812625B ZA 00812625 A ZA00812625 A ZA 00812625A ZA 812625 A ZA812625 A ZA 812625A ZA 812625 B ZA812625 B ZA 812625B
Authority
ZA
South Africa
Prior art keywords
gemstones
working
working gemstones
Prior art date
Application number
ZA00812625A
Inventor
J Dodson
F Binns
J Lawrence
A Steward
Original Assignee
Gersan Ets
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 Gersan Ets filed Critical Gersan Ets
Publication of ZA812625B publication Critical patent/ZA812625B/en

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/024—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of diode-array scanning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
ZA00812625A 1980-04-23 1981-04-22 Working gemstones ZA812625B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8013407A GB2074480B (en) 1980-04-23 1980-04-23 Working gemstones

Publications (1)

Publication Number Publication Date
ZA812625B true ZA812625B (en) 1982-05-26

Family

ID=10512970

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00812625A ZA812625B (en) 1980-04-23 1981-04-22 Working gemstones

Country Status (5)

Country Link
BE (1) BE888543A (en)
GB (1) GB2074480B (en)
IL (1) IL62692A (en)
NL (1) NL8101965A (en)
ZA (1) ZA812625B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4759130A (en) * 1985-11-12 1988-07-26 U.S. Philips Corporation Goniometer head arrangement
IL86762A (en) * 1988-06-16 1991-04-15 Hargem Ltd Centering apparatus for a gemstone
GB9109496D0 (en) * 1990-05-04 1991-06-26 Brilcut Patent Working gemstones
CN1063378C (en) * 1996-02-14 2001-03-21 浙江大学 Method and apparatus for processing reference plane of Si 111 crystal ingot with one-step process

Also Published As

Publication number Publication date
GB2074480A (en) 1981-11-04
BE888543A (en) 1981-08-17
GB2074480B (en) 1983-04-07
NL8101965A (en) 1981-11-16
IL62692A (en) 1982-12-31
IL62692A0 (en) 1981-06-29

Similar Documents

Publication Publication Date Title
IL62931A (en) Working gemstones
DE3070356D1 (en) Working chair
GB2114636B (en) Working chamber
GB2076649B (en) Hair-tinting implement
SG84584G (en) Examining a gem stone
GB2069817B (en) Jewellery
GB2081439B (en) Examining a gem stone
AU7899482A (en) Combined tool
GB2076334B (en) Working gemstones
GB2052369B (en) Working gemstones
GB2074480B (en) Working gemstones
GB2074910B (en) Working gemstones
JPS5753308A (en) Ornament
GB2018173B (en) Working gemstones
GB2084855B (en) Setting gems
JPS57107105A (en) Clasp
JPS5772788A (en) Lasre working device
GB2073803B (en) Greenhouses
ZA813330B (en) Working gemstones
JPS5751407A (en) Ornament
JPS5699728A (en) Pruning machine
GB2074841B (en) Earrings
JPS5751406A (en) Ornament
ZA813689B (en) Centering and working gemstones
JPS5733970A (en) Tool